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Academic literature on the topic 'Self-Powered Portable Electronic'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Self-Powered Portable Electronic"

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Xiao, Yongjun, Chao Guo, Qingdong Zeng, Zenggang Xiong, Yunwang Ge, Wenqing Chen, Jun Wan, and Bo Wang. "Electret Nanogenerators for Self-Powered, Flexible Electronic Pianos." Sustainability 13, no. 8 (April 8, 2021): 4142. http://dx.doi.org/10.3390/su13084142.

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Traditional electronic pianos mostly adopt a gantry type and a large number of rigid keys, and most keyboard sensors of the electronic piano require additional power supply during playing, which poses certain challenges for portable electronic products. Here, we demonstrated a fluorinated ethylene propylene (FEP)-based electret nanogenerator (ENG), and the output electrical performances of the ENG under different external pressures and frequencies were systematically characterized. At a fixed frequency of 4 Hz and force of 4 N with a matched load resistance of 200 MΩ, an output power density of 20.6 mW/cm2 could be achieved. Though the implementation of a signal processing circuit, ENG-based, self-powered pressure sensors have been demonstrated for self-powered, flexible electronic pianos. This work provides a new strategy for electret nanogenerators for self-powered sensor networks and portable electronics.
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Bharathi Sankar Ammaiyappan, A., and Seyezhai Ramalingam. "Self-Powered Supercapacitor for Low Power Wearable device Applications." IOP Conference Series: Earth and Environmental Science 850, no. 1 (November 1, 2021): 012016. http://dx.doi.org/10.1088/1755-1315/850/1/012016.

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Abstract Piezoelectric generators can be used strong vibrations convert to electrical power, it can be stored and utilized in low power devices such as radio frequency identification tags (RFIDs), wireless, global position system (GPS) and sensors. Since most low power devices are wireless, it is important that they have their own independent power. Traditionally, electrical energy comes from heavy lead acid and lithium ion batteries, which contain chemicals that are not environmental friendly. More importantly, lead acid and lithium ion batteries have an average lifespan of 500–1000 cycles, compared to carbon-based supercapacitors (10 lakhs cycle). With the introduction of a wide range of portable, wearable electronics devices and health monitoring equipment. Piezoelectric power harvesting equipment is one of the most applications of portable electronic power supply. Supercapacitors are promising electrochemical energy storage devices which possessing very high power density, rapid charge, and discharge rates with a long lifecycle. Supercapacitors hold high power density as compared to dielectric capacitors and hence supercapacitors are extensively utilized for powering several portable electronic devices. Supercapacitors explore a wide range of applications as they can deliver a high power within a very short period. In this paper describes various supercapacitor powered potential applications in various sectors like flexible, portable, wearable electronics, implantable healthcare and biomedical sensor, etc.
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Montes-Cebrián, Yaiza, Albert Álvarez-Carulla, Jordi Colomer-Farrarons, Manel Puig-Vidal, and Pere Ll Miribel-Català. "Self-Powered Portable Electronic Reader for Point-of-Care Amperometric Measurements." Sensors 19, no. 17 (August 27, 2019): 3715. http://dx.doi.org/10.3390/s19173715.

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In this work, we present a self-powered electronic reader (e-reader) for point-of-care diagnostics based on the use of a fuel cell (FC) which works as a power source and as a sensor. The self-powered e-reader extracts the energy from the FC to supply the electronic components concomitantly, while performing the detection of the fuel concentration. The designed electronics rely on straightforward standards for low power consumption, resulting in a robust and low power device without needing an external power source. Besides, the custom electronic instrumentation platform can process and display fuel concentration without requiring any type of laboratory equipment. In this study, we present the electronics system in detail and describe all modules that make up the system. Furthermore, we validate the device’s operation with different emulated FCs and sensors presented in the literature. The e-reader can be adjusted to numerous current ranges up to 3 mA, with a 13 nA resolution and an uncertainty of 1.8%. Besides, it only consumes 900 µW in the low power mode of operation, and it can operate with a minimum voltage of 330 mV. This concept can be extended to a wide range of fields, from biomedical to environmental applications.
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Cánovas-Saura, Antonio, Ramón Ruiz, Rodolfo López-Vicente, José Abad, Antonio Urbina, and Javier Padilla. "Portable Photovoltaic-Self-Powered Flexible Electrochromic Windows for Adaptive Envelopes." Electronic Materials 2, no. 2 (June 2, 2021): 174–85. http://dx.doi.org/10.3390/electronicmat2020014.

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Variable transmission applications for light control or energy saving based on electrochromic materials have been successfully applied in the past in the building, sports, or automotive fields, although lower costs and ease of fabrication, installation, and maintenance are still needed for deeper market integration. In this study, all-printed large area (900 cm2 active area) flexible electrochromic devices were fabricated, and an autoregulating self-power supply was implemented through the use of organic solar cells. A new perspective was applied for automotive light transmission function, where portability and mechanical flexibility added new features for successful market implementation. Special emphasis was placed in applying solution-based scalable deposition techniques and commercially available materials (PEDOT-PSS as an electrochromic material; vanadium oxide, V2O5, as a transparent ion-storage counter electrode; and organic solar modules as the power supply). A straightforward electronic control method was designed and successfully implemented allowing for easy user control. We describe a step-by-step route following the design, materials optimization, electronic control simulation, in-solution fabrication, and scaling-up of fully functional self-powered portable electrochromic devices.
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Wang, Yi-Lin, Hai-Tao Deng, Zhen-Yu Ren, Xin-Tian Liu, Yu Chen, Cheng Tu, Jun-Lian Chen, and Xiao-Sheng Zhang. "The Interface between Nanoenergy and Self-Powered Electronics." Sensors 21, no. 5 (February 25, 2021): 1614. http://dx.doi.org/10.3390/s21051614.

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In recent decades, nanogenerators based on several techniques such as triboelectric effects, piezoelectric effects, or other mechanisms have experienced great developments. The nanoenergy generated by nanogenerators is supposed to be used to overcome the problem of energy supply problems for portable electronics and to be applied to self-powered microsystems including sensors, actuators, integrated circuits, power sources, and so on. Researchers made many attempts to achieve a good solution and have performed many explorations. Massive efforts have been devoted to developing self-powered electronics, such as self-powered communication devices, self-powered human–machine interfaces, and self-powered sensors. To take full advantage of nanoenergy, we need to review the existing applications, look for similarities and differences, and then explore the ways of achieving various self-powered systems with better performance. In this review, the methods of applying nanogenerators in specific circumstances are studied. The applications of nanogenerators are classified into two categories, direct utilization and indirect utilization, according to whether a treatment process is needed. We expect to offer a line of thought for future research on self-powered electronics.
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Mao, Yupeng, Yongsheng Zhu, Tianming Zhao, Changjun Jia, Xiao Wang, and Qi Wang. "Portable Mobile Gait Monitor System Based on Triboelectric Nanogenerator for Monitoring Gait and Powering Electronics." Energies 14, no. 16 (August 14, 2021): 4996. http://dx.doi.org/10.3390/en14164996.

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A self-powered portable triboelectric nanogenerator (TENG) is used to collect biomechanical energy and monitor the human motion, which is the new development trend in portable devices. We have developed a self-powered portable triboelectric nanogenerator, which is used in human motion energy collection and monitoring mobile gait and stability capability. The materials involved are common PTFE and aluminum foil, acting as a frictional layer, which can output electrical signals based on the triboelectric effect. Moreover, 3D printing technology is used to build the optimized structure of the nanogenerator, which has significantly improved its performance. TENG is conveniently integrated with commercial sport shoes, monitoring the gait and stability of multiple human motions, being strategically placed at the immediate point of motion during the respective process. The presented equipment uses a low-frequency stabilized voltage output system to provide power for the wearable miniature electronic device, while stabilizing the voltage output, in order to effectively prevent voltage overload. The interdisciplinary research has provided more application prospects for nanogenerators regarding self-powered module device integration.
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Mao, Yupeng, Yongsheng Zhu, Changjun Jia, Tianming Zhao, and Jiabin Zhu. "A Self-Powered Flexible Biosensor for Human Exercise Intensity Monitoring." Journal of Nanoelectronics and Optoelectronics 16, no. 5 (May 1, 2021): 699–706. http://dx.doi.org/10.1166/jno.2021.2997.

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We report a flexible and portable biosensor for real-time monitoring body exercise intensity without power supply. The biosensor consists of ZnO NWs and flexible PDMS substrate. The flexible and portable biosensor can be attached to tester’s skin surface. Through piezoelectric signal, exercise intensity can be real-time monitored in sport process. After sweating, the sweat on the skin can flow to the modified ZnO NWs according to the set route through the guide channel of PDMS substrate. It also can monitor the variations of lactic acid concentration in sweat, and the output piezoelectric voltage depends on the sweat concentration, so as to judge the exercise intensity of sport. The biosensor can charge miniature capacitor and the capacitor can charge other small electronic equipment. This multidisciplinary study point out a new development direction of human exercise intensity monitoring and sport big data transmission in the field of sport science, and promote the development of self-powered flexible multifunctional nano-system.
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Lu, Zhuo, Yongsheng Zhu, Changjun Jia, Tianming Zhao, Meiyue Bian, Chaofeng Jia, Yiqiao Zhang, and Yupeng Mao. "A Self-Powered Portable Flexible Sensor of Monitoring Speed Skating Techniques." Biosensors 11, no. 4 (April 7, 2021): 108. http://dx.doi.org/10.3390/bios11040108.

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With the development of 5G technology, contemporary technologies such as Internet of Things (IoT) and Big Data analyses have been widely applied to the sport industry. This paper focuses on the design of a portable, self-powered, flexible sensor, which does not require an external power supply. The sensor is capable of monitoring speed skating techniques, thereby helping professional athletes to enhance their performance. This sensor mainly consists of Polyvinylidene Fluoride (PVDF) with polarization after a silvering electrode and a flexible polyester substrate. Flexible sensors are attached to the push-off joint part of speed skaters and the ice skate blade. During motion, it produces different piezoelectricity signals depending on the states of motion. The monitoring and analyzing of the real-time sensor signals will adjust the athlete’s skating angle, frequency, and push-off techniques, thus improving user training and enhancing performance. Moreover, the production of piezoelectric signals can charge the capacitor, provide power for small electronic equipment (e.g., wireless device), and extend the applications of wearable flexible sensors to the Big Data and IoT technologies in the sport industry.
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Guo, Hengyu, Min-Hsin Yeh, Yunlong Zi, Zhen Wen, Jie Chen, Guanlin Liu, Chenguo Hu, and Zhong Lin Wang. "Ultralight Cut-Paper-Based Self-Charging Power Unit for Self-Powered Portable Electronic and Medical Systems." ACS Nano 11, no. 5 (April 12, 2017): 4475–82. http://dx.doi.org/10.1021/acsnano.7b00866.

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Wen, Zhen, Min-Hsin Yeh, Hengyu Guo, Jie Wang, Yunlong Zi, Weidong Xu, Jianan Deng, et al. "Self-powered textile for wearable electronics by hybridizing fiber-shaped nanogenerators, solar cells, and supercapacitors." Science Advances 2, no. 10 (October 2016): e1600097. http://dx.doi.org/10.1126/sciadv.1600097.

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Wearable electronics fabricated on lightweight and flexible substrate are believed to have great potential for portable devices, but their applications are limited by the life span of their batteries. We propose a hybridized self-charging power textile system with the aim of simultaneously collecting outdoor sunshine and random body motion energies and then storing them in an energy storage unit. Both of the harvested energies can be easily converted into electricity by using fiber-shaped dye-sensitized solar cells (for solar energy) and fiber-shaped triboelectric nanogenerators (for random body motion energy) and then further stored as chemical energy in fiber-shaped supercapacitors. Because of the all–fiber-shaped structure of the entire system, our proposed hybridized self-charging textile system can be easily woven into electronic textiles to fabricate smart clothes to sustainably operate mobile or wearable electronics.
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Book chapters on the topic "Self-Powered Portable Electronic"

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Youn, Byeng Dong, Heonjun Yoon, Hongjin Kim, Byung Chang Jung, Chulmin Cho, and Yoon Young Kim. "Piezoelectric Energy Harvesting Skin and Its Application to Self-Powered Wireless Sensor Network." In Innovative Materials and Systems for Energy Harvesting Applications, 93–115. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8254-2.ch004.

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Energy harvesting (EH) which scavenges electric power from ambient, otherwise wasted, energy sources has been explored to develop self-powered portable electronic devices. Vibration energy, a widely available ambient energy source, can be converted into electric power using a piezoelectric energy harvester that generates electric potential in response to applied mechanical strains. As a compact and durable design paradigm, a piezoelectric energy harvesting skin (PEH skin) which can be directly attached onto the surface of a vibrating engineered system has been proposed to scavenge electric power from vibration energy. The goal of this chapter is to describe the core technologies for the realization of the PEH skin from a system integration perspective as four parts: (a) modeling, (b) design, (c) manufacturing, and (d) demonstration. The readers will be able to learn the entire procedure of developing the PEH skin and applying it to self-powered wireless sensor network (WSN) through this chapter.
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Bharathi Sankar Ammaiyappan, A., and Seyezhai Ramalingam. "Piezoelectric-Driven Self-Powered Supercapacitor for Wearable Device Applications." In Supercapacitors for the Next Generation. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.98356.

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Supercapacitors are the most promising energy storage devices that bridge the gap between capacitors and batteries. They can reach energy density close to the batteries and power density to the conventional capacitors. Several kinds of research have been carried out in the field of supercapacitors for the development of promising electrode and electrolyte materials as well as device fabrications to breakthrough in energy storage systems with diverse applications in electronics. They have a broad range of applications as they can deliver a huge power within a very short time. The applications of supercapacitors in several sectors like consumer and portable electronics, transportation and vehicles, power backup, biomedical, military, aerospace, etc.
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Conference papers on the topic "Self-Powered Portable Electronic"

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Li, Zhongjie, Xiaomeng Jiang, Yan Peng, Jun Luo, Shaorong Xie, and Huayan Pu. "Design and Experimental Studies of a Heel-Embedded Energy Harvester for Self-Powered Wearable Electronics." In ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/smasis2021-68087.

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Abstract Recent decades have witnessed a booming increase in the number of wearable electronic devices. However, these devices cannot work for a very long time due to the limited lifespan of internal electrochemical batteries. In this article, we present a novel wearable electromagnetic energy harvester (EMEH) embedded into a heel of a shoe to collect the kinetic energy from human motion to tackle the above problem. The harvester is mainly composed of a pedal, four springs, a cantilever, and an electromagnetic energy transduction unit. In this design, we adopt a cantilever and a two-stage displacement amplification mechanism to convert up the frequency of the excitation, magnify the input displacement from the foot, and take advantage of an alternating magnet pole arrangement to get abrupt changes in the magnetic flux density (MFD). An electromagnetic dynamic model was established to simulate the output power of the harvester. Besides, we fabricated a prototype to examine the output performance of the harvester. The results prove that the cantilever can effectively convert low-frequency human running motions into high-frequency oscillations, which crucially contributes to the high performance of the harvester. As a portable energy conversion source, the proposed harvester can be of great significance in promoting the development of wearable self-powered electronic devices.
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Zhang, Siwen, and Jiu Hui Wu. "Low-Frequency Broadband Energy Harvesting Based on Locally Resonant Phononic Crystals." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62527.

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In this paper, a low-frequency broadband energy harvesting structure is proposed based on locally resonant phononic crystals (LRPCs). The low-frequency LR characteristics and energy harvesting capabilities of the proposed structure are investigated by using the finite element method. Energy localization effects are verified when local resonances occur, making the proposed LR structure work as an energy collector. Structure modifications are performed to improve the low-frequency energy collecting performance. For the suggested structure with composite units, sixteen resonant frequencies are found in the frequency range below 250 Hz, at which vibration energy is localized intensively in the piezoelectric folded beams. Based on the frequency response analysis, the composite structures are proved to have good energy harvesting capabilities over a broadband low frequency range, due to the multiple resonances and the high concentration of localized energy. These structures will be helpful for the self-powered microsystems, such as portable electronic devices, wireless sensors, microelectromechanical systems (MEMS) and so on, to extract energy from ambient low frequency vibrations.
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Kulkarni, V., R. Ben-Mrad, and S. Eswar Prasad. "A Torsion Based Shear Mode Piezoelectric Energy Harvester for Wireless Sensor Modules." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37640.

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Energy harvesting devices are growing in popularity for their ability to capture the ambient energy surrounding a system and convert it into usable electrical energy. With an increasing demand for portable electronics and wireless sensors in a number of sectors, energy harvesting has the potential to create self-powered sensor systems operating in inaccessible locations. This paper discusses a torsion based piezoelectric energy harvester that utilizes superior shear mode piezoelectric properties to harvest energy from vibrations. Mathematical expressions are used to determine optimized geometry configurations for the harvester. Using these expressions, a harvester design is presented for use with wireless sensor networks.
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Wells, Lee, Yirong Lin, Henry Sodano, and Byeng Youn. "Geometric Optimization of a Piezoelectric Power Harvesting Plate for Increased Bandwidth." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35729.

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The continual advances in wireless technology and low power electronics have allowed the deployment of small remote sensor networks. However, current portable and wireless devices must be designed to include electrochemical batteries as the power source. The use of batteries can be troublesome due to their limited lifespan, thus necessitating their periodic replacement. Furthermore, the growth of battery technology has remained relatively stagnant over the past decade while the performance of computing systems has grown steadily, which leads to increased power usage from the electronics. In the case of wireless sensors that are to be placed in remote locations, the sensor must be easily accessible or of disposable nature to allow the device to function over extended periods of time. For this reason the primary question becomes how to provide power to each node. This issue has spawned the rapid growth of the energy harvesting field. Energy scavenging devices are designed to capture the ambient energy surrounding the electronics and convert it into usable electrical energy. The concept of power harvesting works towards developing self-powered devices that do not require replaceable power supplies. However, when designing a vibration based energy harvesting system the maximum energy generation occurs when the resonant frequency of the system is tuned to the input. This poses certain issues for their practical application because structural systems rarely vibrate at a signal frequency. Therefore, this effort will investigate the optimal geometric design of two dimensional energy harvesting systems for maximized bandwidth. Topology and shape optimization will be used to identify the optimal geometry and experiments will be performed to characterize the energy harvesting improvement when subjected to random vibrations.
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Chambers, Justin R., Andrew D. Lowery, and James E. Smith. "Collapsible Wind Powered Energy Generation and Storage Device." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51816.

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The described research is a light weight, inexpensive portable and collapsible wind turbine, small enough to be carried in a backpack, ruck sack or within the storage compartment of a vehicle, which can be used to recharge batteries and provide off-site, emergency, or campsite power. As a means to extend the battery life of electronic equipment while moving away from the power grid and extra battery storage, a power generating unit is needed. Current approaches are to carry the anticipated number of spare batteries, to use solar cells or any number of small generating thermionic devices. While each of these have a place in the market, they also have negative cost, size, and weight drawbacks. The objective of this research is to create a power generating/storage wind turbine device for recreational, emergency, and military use that can easily be collapsed and transported as needed. The device is a lightweight, collapsible wind turbine constructed of rugged materials to be used on camp sites, remote locations etc. and carried within a pack for travel. It is of a size and weight to be part of an emergency or survival pack. The wind turbine, in its preferred embodiment, is a self-starting/sustaining device that starts at low wind speeds so no monitoring or priming of the device is necessary. In addition to the novelty of it being collapsible, the wind turbine device employs advanced features to increase its wind energy capture efficiency and its energy storage and delivery system, along with unique design features that make it rugged, lightweight and easily assembled.
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