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Статті в журналах з теми "Hydrophobic graded gas diffusion layer"
Das, Prodip. "(Invited, Digital Presentation) Tuning Gas-Diffusion-Layer Surface Wettability for Polymer Electrolyte Fuel Cells." ECS Meeting Abstracts MA2022-01, no. 38 (July 7, 2022): 1709. http://dx.doi.org/10.1149/ma2022-01381709mtgabs.
Повний текст джерелаTrocino, Stefano, Carmelo Lo Vecchio, Sabrina Campagna Zignani, Alessandra Carbone, Ada Saccà, Vincenzo Baglio, Roberto Gómez, and Antonino Salvatore Aricò. "Dry Hydrogen Production in a Tandem Critical Raw Material-Free Water Photoelectrolysis Cell Using a Hydrophobic Gas-Diffusion Backing Layer." Catalysts 10, no. 11 (November 13, 2020): 1319. http://dx.doi.org/10.3390/catal10111319.
Повний текст джерелаYoon, Gug-Ho, Sung Bum Park, Eun Hyung Kim, Myung-Hoon Oh, Kyeong-Sik Cho, Soon Wook Jeong, Sungjin Kim, and Yong-il Park. "Novel hydrophobic coating process for gas diffusion layer in PEMFCs." Journal of Electroceramics 23, no. 2-4 (October 3, 2007): 110–15. http://dx.doi.org/10.1007/s10832-007-9321-1.
Повний текст джерелаImazato, Minehisa, Hayato Hommura, Go Sudo, Kenji Katori, and Koichi Tanaka. "The Amount of Hydrophobic Resin Binder in the Micro Diffusion Layer for DMFC." Journal of Fuel Cell Science and Technology 1, no. 1 (July 5, 2004): 66–68. http://dx.doi.org/10.1115/1.1794710.
Повний текст джерелаWang, Peng, Hironori Nakajima, and Tatsumi Kitahara. "Hydrophilic and Hydrophobic Microporous Layer Coated Gas Diffusion Layer for Enhancing PEFC Performance." ECS Transactions 104, no. 8 (October 1, 2021): 117–27. http://dx.doi.org/10.1149/10408.0117ecst.
Повний текст джерелаWang, Peng, Hironori Nakajima, and Tatsumi Kitahara. "Hydrophilic and Hydrophobic Microporous Layer Coated Gas Diffusion Layer for Enhancing PEFC Performance." ECS Meeting Abstracts MA2021-02, no. 36 (October 19, 2021): 1034. http://dx.doi.org/10.1149/ma2021-02361034mtgabs.
Повний текст джерелаWang, Peng, Hironori Nakajima, and Tatsumi Kitahara. "(Digital Presentation) Effect of the Hydrophilic Layer in Double Microporous Layer Coated Gas Diffusion Layer on PEFC Performance." ECS Meeting Abstracts MA2022-02, no. 39 (October 9, 2022): 1383. http://dx.doi.org/10.1149/ma2022-02391383mtgabs.
Повний текст джерелаMunekata, Toshihisa, Takaji Inamuro, and Shi-aki Hyodo. "Gas Transport Properties in Gas Diffusion Layers: A Lattice Boltzmann Study." Communications in Computational Physics 9, no. 5 (May 2011): 1335–46. http://dx.doi.org/10.4208/cicp.301009.161210s.
Повний текст джерелаKudo, Kazuhiko, Akiyoshi Kuroda, Shougo Takeoka, and Yosuke Shimazu. "B112 Modeling of water transmission in hydrophobic gas diffusion layer of PEFC." Proceedings of the Thermal Engineering Conference 2006 (2006): 39–40. http://dx.doi.org/10.1299/jsmeted.2006.39.
Повний текст джерелаKudo, Kazuhiko, Akiyoshi Kuroda, Takashi Yamaguchi, Shougo Takeoka, and Hitoshi Watanabe. "G132 Modeling of Water Transmission through Hydrophobic Gas Diffusion Layer of PEFC." Proceedings of the Thermal Engineering Conference 2007 (2007): 237–38. http://dx.doi.org/10.1299/jsmeted.2007.237.
Повний текст джерелаДисертації з теми "Hydrophobic graded gas diffusion layer"
Ke, Yu-Wei, and 柯煜偉. "Gas Diffusion Layer with Various Hydrophobic Properties Effect on Alkaline Anion Exchange Membrane Fuel Cells." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/45c9fh.
Повний текст джерела國立中興大學
精密工程學系所
106
In this study, the water management in alkaline anion exchange membrane fuel cells (AEMFC) by testing six kinds of carbon materials was studied, which are GDL 120, GDL120+30% PTFE, GDS310, GDS310+30% PTFE, GDL340, and GDL340+30% PTFE, respectively. The Pt/C of 0.8 mg/cm2 and with different ratios component were prepared for two catalysts as the cathode and anode electrode. In addition, the prepared Pt/C catalysts were coated on the carbon materials surface for Scanning electron microscope (SEM) testing to measure the surface and proved the Pt/C attached to the black carbon status. Then, the surface tension measuring instrument was used to measure the contact angle of each carbon material and determined the hydrophilicity/hydrophobicity of the material for further discussion of the AEMFC water management. For double verification, anion exchange membranes at different thicknesses were used to test the fuel cell discharge experiment. The results showed that one of the anode or cathode without adding hydrophobic material PTFE will cause water clogged so that the inlet gas could not smoothly pass through the electrodes and then the AEMFC performance was declined. Using hydrophobic carbon material GDL340+30% PTFE at the anode and cathode showed a better ion conductivity without flooding phenomenon. Moreover, The AEMFC with the GDL340+30% PTFE used for both anode and cathode and the FAA-3-PK-75 membrane can achieve an optimal power density of 82mW/cm2 at 0.4V whereas the AEMFC discharge test with the same types of the anode and cathode, but the other thinner FAS-30 membrane obtained a significantly high power density of 279 mW/cm2 at 0.4 V.
Peng, J. C., and 彭兆強. "Effect of Hydrophobic Treatment of Gas Diffusion Layer of PEMFC on Mass Transport and Electric Conductivity." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/54790419475331714764.
Повний текст джерела大葉大學
機械工程研究所碩士班
94
ABSTRACT The objectives of this research are to look into the fundamental properties of the gas diffusion layer of a PEMFC and to investigate the influence of hydrophobic treatments of gas diffusion layer on its electric conductivity. Furthermore, with an aim to thoroughly understand its functional variations, this thesis also carries out experiments to measure the changes in porosity, thickness, and electric conductivity of gas diffusion layer under various pressure levels. The gas diffusion layer, made of carbon fibers, is a kind of porous media whose structural properties depend substantially on its hydrophobic treatments. In this research, apparatus are fabricated to measure the variation of porosity due to its hydrophobic treatments. Then, measurements of the electric conductivity on the gas diffusion layer are performed under pressure load; finally SEM is adopted to investigate the structure change of fibers before and after pressure loading. The results show that the porosity of a gas diffusion layer decreases as the extent of hydrophobic treatments increases. However, under pressure load, the decrease in porosity is mitigated with the help of hydrophobic treatments because the robustness of the gas diffusion layer is enhanced by the hydrophobic treatments. Fragmentation of fibers has also been observed after pressure loading, while the electric conductivity of gas diffusion layer increases, which may attribute to the compactness of the gas diffusion layer under pressure loading. Key Words:PEMFC, Gas diffusion layer, Hydrophobic, Porosity
Huang, Jian-Jun, and 黃建鈞. "Influence of hydrophobic gas diffusion media and micro-porous layer on the performance of polymer electrolyte membrane fuel cell." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/15501394134132132668.
Повний текст джерела逢甲大學
材料科學所
96
The time changes with each new day which in the modern science and technology, the petroleum and so on the energy material short question in the life which we comfortably facilitates, is extremely needs the urgent improvement the question. Among them, the fuel cell studies is each kind of substitution energy in at present in the choice, promotes to the present most environmental protection electricity generation way, thus the present stage receives the focal point which from all walks of life warmly focuses attention. In the fuel cell, uses all kinds of includes the hydrogen atom the fuel to carry on the response to emit the electric current, polymer electrolyte membrane fuel cell (PEMFC) the research is at present often is most studied in the present paper experiment and the discussion, because it besides has the high electric discharge potency, the zero pollution is one of reasons which it receives focuses attention on, its principle is using the hydrogen works as the fuel gas, the penetration proton exchange membrane dissociates the hydrogen ions and the electron thus discharge it, hydrogen ions with another end oxygen union, but produces the only by-product - liquid water. In the fuel cell components, the gas diffusion layer use is the gas even diffusion to the catalyst layer, causes to gas can reaction fully, but the liquid water production, can cause the gas circulation to encounter the limit to receive blocks, so studies of hydrophobic gas diffusion media and micro-porous layer in this paper changes the nature to the gas diffusion layer, can cause the gas diffusion layer the question thorough improvement which is blocked by the water, simultaneously discusses to influence overall cell performance factor of proton exchange membrane fuel cell which it to contain impregnations and sprays and so on the quantity, thickness, resistance, gas permeability, density.
Тези доповідей конференцій з теми "Hydrophobic graded gas diffusion layer"
Kudo, Kazuhiko, Akiyoshi Kuroda, Shougo Takeoka, and Yosuke Shimazu. "Modeling of Flooding Phenomena in Hydrophobic Gas Diffusion Layer of PEFC." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32110.
Повний текст джерелаTahseen, Siddiq Hussain, Kehan Chen, Mehdi Shahraeeni, Samuel C. M. Yew, and Mina Hoorfar. "Measurement of Liquid Water Content Inside the Gas Diffusion Layer." In ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2012 6th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/fuelcell2012-91084.
Повний текст джерелаUtaka, Yoshio, and Ikunori Hirose. "Microporous Layer Consisting of Alternating Porous Material With Different Wettability for Controlling Moisture in Gas Diffusion Layer of PEFC." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22197.
Повний текст джерелаMukherjee, Partha P., Rangachary Mukundan, and Rodney L. Borup. "Modeling of Durability Effect on the Flooding Behavior in the PEFC Gas Diffusion Layer." In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2010. http://dx.doi.org/10.1115/fuelcell2010-33241.
Повний текст джерелаAl Shakhshir, Saher, Yonxin Wang, Yongtaek Lee, and Xianguo Li. "Impact of One Side Hydrophobic Gas Diffusion Layer on Water Removal Rate and Proton Exchange Membrane Fuel Cell Performance." In SAE 2012 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2012. http://dx.doi.org/10.4271/2012-01-1221.
Повний текст джерелаOsman, Sameer, Shinichi Ookawara, and Mahmoud Ahmed. "Effect of Anode Flow Channel Design on the Carbon Dioxide Bubble Removal in Direct Methanol Fuel Cells." In ASME 2020 14th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/es2020-1659.
Повний текст джерелаRensink, Dirk, Jo¨rg Roth, and Stephan Fell. "Liquid Water Transport and Distribution in Fibrous Porous Media and Gas Channels." In ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2008. http://dx.doi.org/10.1115/icnmm2008-62087.
Повний текст джерелаOwejan, J. P., T. A. Trabold, D. L. Jacobson, M. Arif, and S. G. Kandlikar. "Effects of Flow Field and Diffusion Layer Properties on Water Accumulation in a PEM Fuel Cell." In ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2007. http://dx.doi.org/10.1115/icnmm2007-30142.
Повний текст джерелаShahraeeni, Mehdi, and Mina Hoorfar. "Numerical Investigation of Fluid Flow Inside the Porous Medium of GDL." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30594.
Повний текст джерелаFriess, Brooks, and Mina Hoorfar. "Fluorescence Microscopy for the Measurement of the Surface Properties of the Gas Diffusion Layers of Fuel." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39523.
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