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Artículos de revistas sobre el tema "Electro-Catalyst"

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Autor: Grafiati
Publicado: 6 de septiembre de 2023

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1

Honorato, Ana Maria Borges, Mohmmad Khalid, Antonio Aprigio da Silva Curvelo, Hamilton Varela y Samaneh Shahgaldi. "Trimetallic Nanoalloy of NiFeCo Embedded in Phosphidated Nitrogen Doped Carbon Catalyst for Efficient Electro-Oxidation of Kraft Lignin". Polymers 14, n.º 18 (9 de septiembre de 2022): 3781. http://dx.doi.org/10.3390/polym14183781.

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Recently, electro-oxidation of kraft lignin has been reported as a prominent electrochemical reaction to generate hydrogen at lower overpotential in alkaline water electrolysis. However, this reaction is highly limited by the low performance of existing electrocatalysts. Herein, we report a novel yet effective catalyst that comprises nonprecious trimetallic (Ni, Fe, and Co) nanoalloy as a core in a phosphidated nitrogen-doped carbon shell (referred to as sample P-NiFeCo/NC) for efficient electro-oxidation of kraft lignin at different temperatures in alkaline medium. The as-synthesized catalyst electro-oxidizes lignin only at 0.2 V versus Hg/HgO, which is almost three times less positive potential than in the conventional oxygen evolution reaction (0.59 V versus Hg/HgO) at 6.4 mA/cm2 in 1 M KOH. The catalyst demonstrates a turnover frequency (TOF) three to five times greater in lignin containing 1 M KOH than that of pure 1 M KOH. More importantly, the catalyst P-NiFeCo/NC shows theoretical hydrogen production of about 0.37 μmoles/min in the presence of lignin, much higher than that in pure 1 M KOH (0.0078 μ moles/min). Thus, this work verifies the benefit of the NiFeCo nanoalloy incorporated in carbon matrix, providing the way to realize a highly active catalyst for the electro-oxidation of kraft lignin.
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2

Lindgren, Mikaela y Itai Panas. "Confinement dependence of electro-catalysts for hydrogen evolution from water splitting". Beilstein Journal of Nanotechnology 5 (24 de febrero de 2014): 195–201. http://dx.doi.org/10.3762/bjnano.5.21.

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Density functional theory is utilized to articulate a particular generic deconstruction of the electrode/electro-catalyst assembly for the cathode process during water splitting. A computational model was designed to determine how alloying elements control the fraction of H2 released during zirconium oxidation by water relative to the amount of hydrogen picked up by the corroding alloy. This model is utilized to determine the efficiencies of transition metals decorated with hydroxide interfaces in facilitating the electro-catalytic hydrogen evolution reaction. A computational strategy is developed to select an electro-catalyst for hydrogen evolution (HE), where the choice of a transition metal catalyst is guided by the confining environment. The latter may be recast into a nominal pressure experienced by the evolving H2 molecule. We arrived at a novel perspective on the uniqueness of oxide supported atomic Pt as a HE catalyst under ambient conditions.
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3

Bounab, Loubna, Olalla Iglesias, Elisa González-Romero, Marta Pazos y M. Ángeles Sanromán. "Effective heterogeneous electro-Fenton process of m-cresol with iron loaded actived carbon". RSC Advances 5, n.º 39 (2015): 31049–56. http://dx.doi.org/10.1039/c5ra03050a.

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4

Baronia, Richa, Jyoti Goel y Sunil Kumar Singhal. "Synthesis and Characterization of PtCo Alloy Nanoparticles Supported on a Reduced Graphene Oxide/g-C3N4 Composite for Efficient Methanol Electro-Oxidation". Journal of Nanoscience and Nanotechnology 21, n.º 3 (1 de marzo de 2021): 1721–27. http://dx.doi.org/10.1166/jnn.2021.18992.

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In the development of direct methanol fuel cell (DMFC) the fabrication of an anode comprising of a Pt or Pt-based bi or tri-metallic alloys nanoparticles on a suitable support material having higher stability, higher surface area, electrical conductivity and strong interaction is very important. In the present work we have solved this problem by using a nanocomposite of reduced graphene oxide (rGO) and graphitic carbon nitride (g-C3N4) as the support material and deposited PtCo nanoparticles by in-situ chemical reduction. The electro-oxidation of methanol is carried out in an acidic medium. The electrochemical behaviour of as-synthesized PtCo/rGO-gC3N4 catalyst was found to be much superior to Pt/rGO-g-C3N4 catalysts towards electro-oxidation of methanol and is mainly due to the homogeneous dispersion of PtCo nanoparticles onto rGO-g-C3N4 nano composite, higher electrical conductivity and a strong interaction between metal nanoparticles and N group of the support material. By using the as-synthesized electro-catalyst the adsorption or poisoning of Pt due to CO is greatly reduced and more active Pt sites are created for the electro-oxidation of methanol. Thus, the as-synthesized electro-catalyst can be used as an efficient anode material in a direct methanol fuel cell.
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5

Nouralishahi, Amideddin, Ali Morad Rashidi, Yadollah Mortazavi, Abbas Ali Khodadadi y Mohammadmehdi Choolaei. "Enhanced methanol electro-oxidation reaction on Pt-CoOx/MWCNTs hybrid electro-catalyst". Applied Surface Science 335 (abril de 2015): 55–64. http://dx.doi.org/10.1016/j.apsusc.2015.02.011.

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6

Zhou, Yang, Chen Li, Junxiang Fu, Changlin Yu y Xian-Chao Hu. "Nitrogen-doped graphene/tungsten oxide microspheres as an electro-catalyst support for formic acid electro-oxidation". RSC Advances 6, n.º 95 (2016): 92852–56. http://dx.doi.org/10.1039/c6ra17344f.

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Tungsten trioxide (WO3) spheres decorated with nitrogen-doped graphene (NRGO–WO3) were synthesized by applying the spray-drying procedure and characterized for their ability to serve as an electro-catalyst support for formic acid electro-oxidation.
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7

Fernández de Dios, Maria Ángeles, Olaia Iglesias, Marta Pazos y Maria Ángeles Sanromán. "Application of Electro-Fenton Technology to Remediation of Polluted Effluents by Self-Sustaining Process". Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/801870.

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The applicability of electro-Fenton technology to remediation of wastewater contaminated by several organic pollutants such as dyes and polycyclic aromatic hydrocarbons has been evaluated using iron-enriched zeolite as heterogeneous catalyst. The electro-Fenton technology is an advanced oxidation process that is efficient for the degradation of organic pollutants, but it suffers from the high operating costs due to the need for power investment. For this reason, in this study microbial fuel cells (MFCs) were designed in order to supply electricity to electro-Fenton processes and to achieve high treatment efficiency at low cost. Initially, the effect of key parameters on the MFC power generation was evaluated. Afterwards, the degradation of Reactive Black 5 dye and phenanthrene was evaluated in an electro-Fenton reactor, containing iron-enriched zeolite as catalyst, using the electricity supplied by the MFC. Near complete dye decolourization and 78% of phenanthrene degradation were reached after 90 min and 30 h, respectively. Furthermore, preliminary reusability tests of the developed catalyst showed high degradation levels for successive cycles. The results permit concluding that the integrated system is adequate to achieve high treatment efficiency with low electrical consumption.
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8

Wang, Guang Ying, Li Fang, Fei Fei Li y Surin Saipanya. "Methanol Electro-Oxidation Using RuRh@Pt/C". Advanced Materials Research 953-954 (junio de 2014): 1297–302. http://dx.doi.org/10.4028/www.scientific.net/amr.953-954.1297.

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A core-shell structure RuRh@Pt/C nanoparticles was prepared by using a two-step reduction method under ultrasonic promotion. The catalytic performance was tested in methanol electrooxidation. X-ray diffraction (XRD), scanning electron microscope (SEM) combined with cyclic voltammetry (CV) were used to characterize the obtained catalyst. The results showed that there was no alloy formed between the core RuRh and the shell Pt. The electrocatalytic activity of RuRh@Pt/C varied with the Ru/Rh ratio in the bimetallic core, among which the catalyst with the Ru/Rh ratio 1:2 and the Pt-shell thickness of 1.5 (Ru1Rh2@Pt1.5/C) showed the highest catalytic activity for methanol. With this catalyst, the current density of the oxidation peak for methanol electro-oxidation reached 2.3 times as that of Pt1.5/C while the corresponding peak potential shifted 60 mV negatively in comparing to that of Pt1.5/C. In addition, the catalyst with the core-shell structure of RuRh@Pt/C possessed much higher CO-tolerance for methanol electro-oxidation, indicating its promising application in low temperature fuel cell.
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9

Abdellaoui, Sofiene, David P. Hickey, Andrew R. Stephens y Shelley D. Minteer. "Recombinant oxalate decarboxylase: enhancement of a hybrid catalytic cascade for the complete electro-oxidation of glycerol". Chemical Communications 51, n.º 76 (2015): 14330–33. http://dx.doi.org/10.1039/c5cc06131h.

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The complete electro-oxidation of glycerol to CO2is performed through an electro-oxidation cascade using a hybrid catalytic system combining an organic oxidation catalyst, 4-amino-TEMPO and a recombinant enzyme, oxalate decarboxylase fromBacillus subtilis.
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10

Kumar, Ratanesh, Pratap Baburao Wagh, Sanjay Vishwasrao Ingale y K. D. Joshi. "Degradation of Mononitrotoluene by Electrochemical Method". Defence Science Journal 71, n.º 4 (1 de julio de 2021): 456–61. http://dx.doi.org/10.14429/dsj.71.16376.

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Present paper deals with studies on the degradation of Mononitrotoluene (MNT) by electrochemical method. The Electro-Fenton and Electro-Peroxide methods are explored to degrade MNT upto its drain discharge limit of 1 ppm. Effects of some important parameters which ultimately decide the rate of degradation of MNT viz. oxidizer, pH, catalyst and voltage etc. have been critically studied. The detailed studies have been carried out which includes variation in different parameters viz. pH from acidic range to basic range, catalyst concentration from 10 ppm to 50 ppm, Oxidizer concentration from 5 mM to 40 mM and potential across electrodes from 4 V to 24 V for efficient degradation of MNT. It is observed that optimised values of precursors viz. catalyst (FeSO4 ) concentration of 40 ppm, pH of 3, potential across electrodes of 12V and oxidizer (H2 O2 ) concentration of 25 mM; Electro-Fenton reaction has been carried out to degrade 50 ppm MNT solution up to its drain discharge limit of 1 ppm and on other hand under Electro-Peroxide reaction results in degradation of MNT from 50 ppm to 12 ppm. The comparative studies of Electro-Fenton and Electro-Peroxide reactions have been carried out for MNT solution and the treated solution has been characterised by using UV-Visible spectrophotometer and Total Organic Carbon (TOC) analyzer and the obtained data on MNT effluent studies may be applicable to explore the efficient mineralisation of 2-Methyl-1, 3, 5-trinitrobenzene effluent. The observed results have been interpreted and reported in the present study.
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11

Henry Setiyanto, Henry Setiyanto, Feni Mustika Sari Feni Mustika Sari, Muhammad Yudhistira Azis Muhammad Yudhistira Azis, Ria Sri Rahayu Ria Sri Rahayu, Amminudin Sulaeman, Muhammad Ali Zulfikar, Diah Ratnaningrum y Vienna Saraswaty. "Electrochemical Degradation of Methylene Blue using Ce(IV) Ionic Mediator in the Presence of Ag(I) Ion Catalyst for Environmental Remediation". Sains Malaysiana 51, n.º 1 (31 de enero de 2022): 149–59. http://dx.doi.org/10.17576/jsm-2022-5101-12.

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Methylene blue (MB) is often used in textile industries and is actively present in the wastewater runs-off. Recently, mediated electrochemical oxidation (MEO) offers a fast, reliable and promising results for environmental remediation. Thus, we aimed to evaluate the electro-degradation potential of MB by MEO using Ce(IV) ionic mediator. Furthermore, we also observed the influence of addition Ag(I) ion catalyst in MEO for degradation of MB. The electro-degradation of MB was evaluated by cyclic voltammetry technique and was confirmed by UV-Vis spectrophotometry, high performance liquid chromatography (HPLC) analysis and back-titration analysis. The results showed that in the absence of Ag(I) ion catalyst, about 89 % of MB was decolorized within 30 min. When 2 mM of Ag(I) ion catalyst was applied, the electro-degradation of MB was increased to maximum value of 100%. The UV-Vis spectrum confirmed the electro-degradation of MB as suggested by decreased maximum absorbance value at λ 668 nm from 2.125 to 0.059. The HPLC analysis showed the formation of five new peaks at retention time of 1.331, 1.495, 1.757, 1.908, and 2.017 min, confirming the electro-degradation of MB. The back-titration analysis showed about 52.9% of CO2 was produced during electro-degradation of MB by MEO. More importantly, more than 97% of Ce(IV) ionic mediator were recovered in our investigation. Our results showed the potential of MEO using Ce(IV) ionic mediator to improve the wastewater runs-off quality from textile as well as other industries containing methylene blue.
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12

Zhou, Yang, Xian-Chao Hu, Qizhe Fan y He-Rui Wen. "Three-dimensional crumpled graphene as an electro-catalyst support for formic acid electro-oxidation". Journal of Materials Chemistry A 4, n.º 12 (2016): 4587–91. http://dx.doi.org/10.1039/c5ta09956k.

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Three-dimensional crumpled graphene (PRGO) was synthesized from graphene oxide (GO) solution by the spay drying method and employed as the support material for the Pd catalyst. Compared with the commercial Pd/C and Pd/RGO catalysts, the as-prepared Pd/PRGO catalyst exhibits excellent activity and stability towards formic acid electrooxidation.
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13

Burnat, Dariusz, Roman Kontic, Lorenz Holzer, Patrick Steiger, Davide Ferri y Andre Heel. "Smart material concept: reversible microstructural self-regeneration for catalytic applications". Journal of Materials Chemistry A 4, n.º 30 (2016): 11939–48. http://dx.doi.org/10.1039/c6ta03417a.

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This paper presents a proof-of-concept study and demonstrates the next generation of a “smart” catalyst material, applicable to high temperature catalysis and electro-catalysis such as gas processing and as a catalyst for solid oxide cells.
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14

Leng, Su, Rui Yang Chen, Song Yue Chen y Miao Liu. "The Study on the Treatment of Nitrobenzene Wastewater by Heterogenious Catalysts and Electrode Oxidation". Advanced Materials Research 668 (marzo de 2013): 140–44. http://dx.doi.org/10.4028/www.scientific.net/amr.668.140.

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In the paper, the PbO2-Ti electrodes were characterized by SEM, and introduce the self-made catalyst Fe3+/TiO2 into the electrolytic system to treat the nitrobenzene wastewater, in order to improve the reaction speed and the removal rate of COD and NB and form heterogeneous electro-catalytic oxidation technology. In order to confirm the best removal efficiency of COD and NB, the experiment will study the electrolysis time, current intensity, pH value, and the amount of catalyst. The experimental results showed that the surface of La-doped electrode was dense and had good electro-catalytic properties.
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15

Paßens, M., V. Caciuc, N. Atodiresei, M. Moors, S. Blügel, R. Waser y S. Karthäuser. "Tuning the surface electronic structure of a Pt3Ti(111) electro catalyst". Nanoscale 8, n.º 29 (2016): 13924–33. http://dx.doi.org/10.1039/c5nr08420b.

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16

Jeon, Min Ku, Hideo Daimon, Ki Rak Lee, Akemi Nakahara y Seong Ihl Woo. "CO tolerant Pt/WC methanol electro-oxidation catalyst". Electrochemistry Communications 9, n.º 11 (noviembre de 2007): 2692–95. http://dx.doi.org/10.1016/j.elecom.2007.09.001.

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17

Ma, Kun, Hui Wang, Palanisamy Kannan y Palaniappan Subramanian. "Ni2P Nanoparticle-Inserted Porous Layered NiO Hetero-Structured Nanosheets as a Durable Catalyst for the Electro-Oxidation of Urea". Nanomaterials 12, n.º 20 (17 de octubre de 2022): 3633. http://dx.doi.org/10.3390/nano12203633.

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The electro-oxidation of urea (EOU) is a remarkable but challenging sustainable technology, which largely needs a reduced electro-chemical potential, that demonstrates the ability to remove a notable harmful material from wastewater and/or transform the excretory product of humans into treasure. In this work, an Ni2P-nanoparticle-integrated porous nickel oxide (NiO) hetero-structured nanosheet (Ni2P@NiO/NiF) catalyst was synthesized through in situ acid etching and a gas-phase phosphating process. The as-synthesized Ni2P@NiO/NiF catalyst sample was then used to enhance the electro-oxidation reaction of urea with a higher urea oxidation response (50 mA cm−2 at 1.31 V vs. RHE) and low onset oxidation potential (1.31 V). The enhanced activity of the Ni2P@NiO/NiF catalyst was mainly attributed to effective electron transport after Ni2P nanoparticle insertion through a substantial improvement in active sites due to a larger electrochemical surface area, and a faster diffusion of ions occurred via the interactive sites at the interface of Ni2P and NiO; thus, the structural reliability was retained, which was further evidenced by the low charge transfer resistance. Further, the Ni2P nanoparticle insertion process into the NiO hetero-structured nanosheets effectively enabled a synergetic effect when compared to the counter of the Ni2P/NiF and NiO/NiF catalysts. Finally, we demonstrate that the as-synthesized Ni2P@NiO/NiF catalyst could be a promising electrode for the EOU in urea-rich wastewater and human urine samples for environmental safety management. Overall, the Ni2P@NiO/NiF catalyst electrode combines the advantages of the Ni2P catalyst, NiO nanosheet network, and NiF current collector for enhanced EOU performance, which is highly valuable in catalyst development for environmental safety applications.
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18

Jiang, Wen-Xing, Wei-Xia Liu, Chun-Li Wang, Shu-Zhong Zhan y Song-Ping Wu. "A bis(thiosemicarbazonato)-copper complex, a new catalyst for electro- and photo-reduction of CO2 to methanol". New Journal of Chemistry 44, n.º 7 (2020): 2721–26. http://dx.doi.org/10.1039/c9nj05672f.

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19

Guo, Jin-Han, Xuming Wei y Wei-Yin Sun. "A MOF-74(Ni) derived partially oxidized Ni@C catalyst for SO2 electro-oxidation integrated with solar driven hydrogen evolution". Sustainable Energy & Fuels 5, n.º 14 (2021): 3588–92. http://dx.doi.org/10.1039/d1se00645b.

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An efficient partially oxidized Ni@C (po-Ni@C) catalyst was developed for SO2 electro-oxidation reaction (SO2OR). Also, a solar to hydrogen electrolyzer was established base on the catalyst and delivered ∼25 mA current powered by a 1 V solar cell.
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20

Pan, Chun Xu, Jian Chun Chen, Xiao Zhu Li y Yue Li Liu. "Controlled Growth of 1-D Nanomaterials Base on Electro-Deposited Nanocrystalline Films: A Overview". Materials Science Forum 654-656 (junio de 2010): 1126–29. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.1126.

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This paper introduces a novel process for growing one-dimensional nanomaterials. That is, firstly, preparing a pure metal nanocrystalline film by using pulse electro-deposition, then, using this film as a catalyst for synthesizing variant one-dimensional carbon nanomaterials and one-dimensional metal oxide nanoneedles. Comparing with the nanoparticle catalyst, the growth mechanism of the present one-dimensional nanomaterials belongs to the “base growth model”, and it has advantages such as a much simpler process and no post purification requirement. In addition, the present method provides a possibility for diameter control of the one-dimensional nanomaterials through grain size control of the nanocrystalline film by adjusting the pulse electro-deposition parameters.
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21

Huang, Xin, Jinliang Song, Manli Hua, Bingfeng Chen, Zhenbing Xie, Huizhen Liu, Zhanrong Zhang, Qinglei Meng y Buxing Han. "Robust selenium-doped carbon nitride nanotubes for selective electrocatalytic oxidation of furan compounds to maleic acid". Chemical Science 12, n.º 18 (2021): 6342–49. http://dx.doi.org/10.1039/d1sc01231b.

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22

Wang, Honglei, Chong Li, Jintao An, Yuan Zhuang y Shengyang Tao. "Surface reconstruction of NiCoP for enhanced biomass upgrading". Journal of Materials Chemistry A 9, n.º 34 (2021): 18421–30. http://dx.doi.org/10.1039/d1ta05425b.

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23

Huang, Yazhou, Jiacai Huang, Kunshan Xu y Ranran Geng. "Constructing NiSe2@MoS2 nano-heterostructures on a carbon fiber paper for electrocatalytic oxygen evolution". RSC Advances 11, n.º 43 (2021): 26928–36. http://dx.doi.org/10.1039/d1ra05509g.

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24

Graf, Matthias, Mareike Haensch, Jörg Carstens, Gunther Wittstock y Jörg Weissmüller. "Electrocatalytic methanol oxidation with nanoporous gold: microstructure and selectivity". Nanoscale 9, n.º 45 (2017): 17839–48. http://dx.doi.org/10.1039/c7nr05124g.

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25

Martín-Yerga, Daniel, Xiaowen Yu, Irina Terekhina, Gunnar Henriksson y Ann Cornell. "In situ catalyst reactivation for enhancing alcohol electro-oxidation and coupled hydrogen generation". Chemical Communications 56, n.º 28 (2020): 4011–14. http://dx.doi.org/10.1039/d0cc01321h.

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26

Luo, Geng-Geng, Yong-Heng Wang, Jiang-Hai Wang, Ji-Huai Wu y Rui-Bo Wu. "A square-planar nickel dithiolate complex as an efficient molecular catalyst for the electro- and photoreduction of protons". Chemical Communications 53, n.º 52 (2017): 7007–10. http://dx.doi.org/10.1039/c7cc01942d.

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27

Al-Qodami, Bilquis Ali, Hafsa H. Alalawy, Sayed Youssef Sayed, Islam M. Al-Akraa, Nageh K. Allam y Ahmad M. Mohammad. "Tailor-designed nanowire-structured iron and nickel oxides on platinum catalyst for formic acid electro-oxidation". RSC Advances 12, n.º 31 (2022): 20395–402. http://dx.doi.org/10.1039/d2ra03386k.

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28

Yıldız, Yunus, Handan Pamuk, Özlem Karatepe, Zeynep Dasdelen y Fatih Sen. "Carbon black hybrid material furnished monodisperse platinum nanoparticles as highly efficient and reusable electrocatalysts for formic acid electro-oxidation". RSC Advances 6, n.º 39 (2016): 32858–62. http://dx.doi.org/10.1039/c6ra00232c.

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29

Rezgui, Soumaya, Aida M. Díez, Lotfi Monser, Nafaa Adhoum, Marta Pazos y M. Ángeles Sanromán. "Magnetic TiO2/Fe3O4-Chitosan Beads: A Highly Efficient and Reusable Catalyst for Photo-Electro-Fenton Process". Catalysts 12, n.º 11 (13 de noviembre de 2022): 1425. http://dx.doi.org/10.3390/catal12111425.

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Heterogeneous photo-electro-Fenton process is an attractive technology for the removal of recalcitrant pollutants. To better exploit the presence of an irradiation source, a bifunctional catalyst with TiO2 nanoparticles embedded into an iron–chitosan matrix was developed. The catalytic activity of the catalyst was improved by the optimization of the loaded TiO2 content. The prepared composite catalysts based on TiO2, Fe3O4 and chitosan were called TiO2/Fe3O4-CS beads. The best catalyst with an optimal ratio TiO2/Fe = 2 exhibited a high efficiency in the degradation and mineralization of chlordimeform (CDM) insecticide. Under the optimum conditions (concentration of catalyst equal to 1 g L−1 and applied current intensity equal to 70 mA), a real effluent doped with 30 mg L−1 of CDM was efficiently treated, leading to 80.8 ± 1.9% TOC reduction after 6 h of treatment, with total removal of CDM after only 1 h.The generated carboxylic acids and minerals were identified and quantified. Furthermore, the stability and reusability of the developed catalyst was examined, and an insignificant reduction in catalytic activity was noticed for four consecutive cycles of the photo-electro-Fenton process. Analyses using SEM, XRD and VSM showed a good stability of the physicochemical properties of the catalyst after use.
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30

Chen, Yun, Hong Chen y Haining Tian. "Immobilization of a cobalt catalyst on fullerene in molecular devices for water reduction". Chemical Communications 51, n.º 57 (2015): 11508–11. http://dx.doi.org/10.1039/c5cc03856a.

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31

Jeon, Min Ku, Ki Rak Lee, Won Su Lee, Hideo Daimon, Akemi Nakahara y Seong Ihl Woo. "Investigation of Pt/WC/C catalyst for methanol electro-oxidation and oxygen electro-reduction". Journal of Power Sources 185, n.º 2 (diciembre de 2008): 927–31. http://dx.doi.org/10.1016/j.jpowsour.2008.07.067.

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32

Sevaljevic, Mirjana Miladin, Ioana Ionel, Milan Pavlovic y Ion Vetres. "Thermo-Electro Chemical Surface Energy Conversion Influence on Air Pollution". JOURNAL OF ADVANCES IN BIOTECHNOLOGY 3, n.º 3 (30 de diciembre de 2013): 219–28. http://dx.doi.org/10.24297/jbt.v3i3.5021.

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Water vapor condensation and crystallization active centers on gas exposed solid dust particle enable thermo-electrochemical energy catalytic storage and conversion. Thermodynamic diagnostic method is developed for determination of catalyst working function and thermo-electro chemical surface reaction kinetic. The diagnostic results of catalyst working function and hydrogen evolution rate constants justify the functional dependence    obtained on the basis of monitoring data in six day period, in different seasons and location in Romania and Serbia These indicate to relative electric permittivity dominant influence, depending on  Helmholtz surface and Helmholtz outer and diffusion planes in catalyst electric double layer.
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33

Dolui, Dependu, Shikha Khandelwal, Piyali Majumder y Arnab Dutta. "The odyssey of cobaloximes for catalytic H2 production and their recent revival with enzyme-inspired design". Chemical Communications 56, n.º 59 (2020): 8166–81. http://dx.doi.org/10.1039/d0cc03103h.

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34

Yue, Lin, Qi Shan Wang, Jing Liang Yang, Xiao Luo, Jian Bo Guo, Jing Lian y Kai Hong Wang. "Degradation of Landfill Leachate by Electro-Heterogeneous Catalytic Reactor". Advanced Materials Research 518-523 (mayo de 2012): 3302–9. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.3302.

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Using granular activated carbon (GAC) as electric particle electrode and heterogeneous catalyst loaded metal oxide to replace insulated particle in bipolar packing bed cell (BPBC), the electro-heterogeneous catalytic oxidation system was constructed. Adopting impregnation method to prepare γ-Al2O3 supported catalysts containing Cu and Ce, it was evenly mixed with GAC to construct packing materials. Using stainless steel as anode, porous graphite as cathode and packing materials between them, landfill leachate was treated by an electro-catalytic oxidation process and COD removal efficiency was studied. The activity of catalysts was explored, and using scanning electron microscope (SEM) and X-ray diffraction (XRD), the microstructure and morphology were characterized. The operating parameters such as cell voltage, initial pH, airflow and inter-electrode distance were also investigated. The results showed that when the metal ion concentration in soaking solution was 2% for Cu, 9% for Ce, the activity of prepared catalyst was the highest. Under the conditions of an applied voltage of 15.0 V, pH of 7.0, airflow of 0.08 m3/h, and an inter-electrode distance of 3.0 cm, the removal efficiencies of COD reached 92.9%. Qualitative analysis of the interim products was carried out, adopting ultraviolet-visible spectrum, and the mechanism of electro-heterogeneous catalytic oxidation reaction was discussed. The whole degradation involves two main processes: electro-oxidation and electro-coagulation.
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35

Wang, Jiaojiao, Xiaoqing Jia, Denghui Shang, Liangbo Xie, Yi Li, He Zhang, Sihui Zhan y Wenping Hu. "Constructing Cu2O/Bi2MoO6 p–n heterojunction towards boosted photo-assisted-electro-Fenton-like synergy degradation of ciprofloxacin". Environmental Science: Nano 8, n.º 12 (2021): 3629–42. http://dx.doi.org/10.1039/d1en00894c.

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36

Wang, Haining, Shanfu Lu, Yiwen Zhang, Fei Lan, Xin Lu y Yan Xiang. "Pristine graphene dispersion in solvents and its application as a catalyst support: a combined theoretical and experimental study". Journal of Materials Chemistry A 3, n.º 12 (2015): 6282–85. http://dx.doi.org/10.1039/c5ta00359h.

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37

Yang, Heng-Pan, Sen Qin, Ying-Na Yue, Li Liu, Huan Wang y Jia-Xing Lu. "Entrapment of a pyridine derivative within a copper–palladium alloy: a bifunctional catalyst for electrochemical reduction of CO2 to alcohols with excellent selectivity and reusability". Catalysis Science & Technology 6, n.º 17 (2016): 6490–94. http://dx.doi.org/10.1039/c6cy00971a.

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38

Sultan, Sundas, Afzal Shah, Naveeda Firdous, Jan Nisar, Muhammad Naeem Ashiq y Iltaf Shah. "A Novel Electrochemical Sensing Platform for the Detection of the Antidepressant Drug, Venlafaxine, in Water and Biological Specimens". Chemosensors 10, n.º 10 (4 de octubre de 2022): 400. http://dx.doi.org/10.3390/chemosensors10100400.

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A stable bimetallic catalyst composed of Co–Pd@Al2O3 was synthesized using a wet impregnation method, followed by calcination and H2 reduction. The synthesized catalyst was thoroughly characterized using XRD, BET, SEM, EDX, and TPR techniques. The catalyst was then drop-casted on a glassy carbon electrode (Co–Pd@Al2O3/GCE) and applied for the sensitive and selective electrochemical determination of a common antidepressant drug, venlafaxine (VEN). The proposed sensor (Co–Pd@Al2O3/GCE) demonstrated a remarkable catalytic activity for the electro-oxidation of VEN, with a decent repeatability and reproducibility. The pH dependent responsiveness of the electro-oxidation of VEN helped in proposing the redox mechanism. A linear relationship between the peak current and concentration of VEN was observed in the range of 1.95 nM to 0.5 µM, with LOD and LOQ of 1.86 pM and 6.20 pM, respectively. The designed sensor demonstrated an adequate selectivity and significant stability. Moreover, the sensor was found to be quite promising for determining the VEN in biological specimens.
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39

Previdello, B. A. F., P. S. Fernández, G. Tremiliosi-Filho y H. Varela. "Probing the surface fine structure through electrochemical oscillations". Physical Chemistry Chemical Physics 20, n.º 8 (2018): 5674–82. http://dx.doi.org/10.1039/c7cp08028j.

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In the course of (electro)catalytic reactions, reversible and irreversible changes, namely the formation of adsorbed poisons, catalyst degradation, surface roughening, etc., take place at distinct time-scales.
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40

Sun, Jiuxiao, Xingying Luo, Weiwei Cai, Jing Li, Zhao Liu, Jie Xiong y Zehui Yang. "Ionic-exchange immobilization of ultra-low loading palladium on a rGO electro-catalyst for high activity formic acid oxidation". RSC Advances 8, n.º 33 (2018): 18619–25. http://dx.doi.org/10.1039/c8ra03043j.

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41

Arshid M Ali, Arshid M. Ali, Aqeel Taimoor Aqeel Taimoor, Ayyaz Muhammad Ayyaz Muhammad y Muhammad A. Daous and Usman Saeed Muhammad A Daous and Usman Saeed. "Electrocatalytic Hydrogenation of CO2 to Hydrocarbons on Gold Catalyst in the Presence of Ionic Liquid". Journal of the chemical society of pakistan 43, n.º 6 (2021): 665. http://dx.doi.org/10.52568/000966/jcsp/43.06.2021.

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This study is aimed to investigate the electro-catalytic activity of Au supported on both CeO2 and activated carbon (AC) to convert CO2 to mixture of C1-C4 hydrocarbons in the presence of ionic liquid (IL) 1-butyl-3-methylimidazolium methylsulfonate. The studied catalyst samples were prepared by using simultaneous wet impregnation method. The sample containing 0.6 % Au showed higher electro-catalytic activity than the sample contained 0.3 % Au. Both, the average Au particles size and the transformation of layered non-uniformed semi-oval structure to flaked tiny circular like-structure were mainly responsible for the higher catalytic activity of 0.6Au-CeO2-AC sample. In addition, the overall electro-catalytic activity depends upon the applied reaction voltage. Overall, the presence of IL, the surface morphology, and average Au particles size had played a key role in the electro-catalytic conversion of CO2 to hydrocarbons.
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42

Kwak, Da-Hee, Young-Woo Lee, Sang-Beom Han, Eui-Tak Hwang, Han-Chul Park, Min-Cheol Kim y Kyung-Won Park. "Ultrasmall PtSn alloy catalyst for ethanol electro-oxidation reaction". Journal of Power Sources 275 (febrero de 2015): 557–62. http://dx.doi.org/10.1016/j.jpowsour.2014.11.050.

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43

Ju, Jianfeng, Yujun Shi y Donghui Wu. "TiO2 nanotube supported PdNi catalyst for methanol electro-oxidation". Powder Technology 230 (noviembre de 2012): 252–56. http://dx.doi.org/10.1016/j.powtec.2012.06.046.

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44

Jeon, Min Ku, Jung Yeon Won, Ki Rak Lee y Seong Ihl Woo. "Highly active PtRuFe/C catalyst for methanol electro-oxidation". Electrochemistry Communications 9, n.º 9 (septiembre de 2007): 2163–66. http://dx.doi.org/10.1016/j.elecom.2007.06.014.

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45

Meijide, Jessica, Marta Pazos y Maria Ángeles Sanromán. "Heterogeneous electro-Fenton catalyst for 1-butylpyridinium chloride degradation". Environmental Science and Pollution Research 26, n.º 4 (15 de octubre de 2017): 3145–56. http://dx.doi.org/10.1007/s11356-017-0403-6.

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46

Sinha, Woormileela, Atif Mahammed, Natalia Fridman, Yael Diskin-Posner, Linda J. W. Shimon y Zeev Gross. "Superstructured metallocorroles for electrochemical CO2 reduction". Chemical Communications 55, n.º 79 (2019): 11912–15. http://dx.doi.org/10.1039/c9cc06645d.

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47

Cao, Lujie, Zhenyu Wang, Jinlong Liu, Bingxue Wang, Zhiqiang Wang, Mingyang Yang, Hui Pan y Zhouguang Lu. "A novel Mn/Co dual nanoparticle decorated hierarchical carbon structure derived from a biopolymer hydrogel as a highly efficient electro-catalyst for the oxygen reduction reaction". Chemical Communications 55, n.º 92 (2019): 13900–13903. http://dx.doi.org/10.1039/c9cc07751k.

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48

EL Ouafy, Hayat, Tarik EL Ouafy, Mustapha Oubenali, Aziz EL Haimouti, Ahmed Gamouh y Mohamed Mbarki. "Electrocatalytic Effect of Al2O3 Supported on Clay in Oxidizing of Ibuprofen at Graphite Electrode". Methods and Objects of Chemical Analysis 16, n.º 2 (2021): 81–87. http://dx.doi.org/10.17721/moca.2021.81-87.

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In this work, the electro-catalytic oxidation of ibuprofen was studied using aluminum oxide supported on clay (Clay/Al2O3). The latter has been successfully prepared by impregnating aluminum particles in the clay by heat treatment. The electro-catalytic performances of Clay/Al2O3 for the oxidation of ibuprofen were studied using cyclic voltammetry (CV), chronoamperometry, and differential pulse voltammetry (DPV) in 0.1 mol L-1 of the phosphate buffer (pH = 7). It has been shown that the proposed catalyst exhibits remarkably an electro-catalytic effect performance vis-a-vis the oxidation of ibuprofen. In addition, the peak oxidation currents depend linearly on the ibuprofen concentration in the wide ranges from 1.0·10-3 mol L-1 to 1.0·10-6 mol L-1 with a detection limit of 1.95·10-8 mol L-1 and response time of 30 second. Possible interferences were evaluated in 1.0·10-5 mol L-1 ibuprofen. The proposed catalyst also indicated suitable repeatability and stability. Besides, the proposed CPE-Clay/Al2O3 has been successfully applied for ibuprofen analysis in human blood with good recoveries.
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49

Zhang, Xiaofeng, Xiaoying Wang, Lijuan Le, Ai Ma y Shen Lin. "A Pd/PW12/RGO Composite Catalyst Prepared by Electro-Codeposition for Formic Acid Electro-Oxidation". Journal of The Electrochemical Society 163, n.º 2 (13 de noviembre de 2015): F71—F78. http://dx.doi.org/10.1149/2.0401602jes.

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50

Pham, Hau Quoc y Tai Thien Huynh. "Correction: Facile room-temperature fabrication of a silver-platinum nanocoral catalyst towards hydrogen evolution and methanol electro-oxidation". Materials Advances 3, n.º 4 (2022): 2234. http://dx.doi.org/10.1039/d2ma90011d.

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Correction for ‘Facile room-temperature fabrication of a silver–platinum nanocoral catalyst towards hydrogen evolution and methanol electro-oxidation’ by Hau Quoc Pham et al., Mater. Adv., 2022, DOI: 10.1039/d1ma01077h.
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