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2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)最新文献

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Shaped coil-core design for inductive energy collectors 电感式能量收集器的异形线圈磁芯设计
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.71805307777
M. Kiziroglou, S. Wright, E. Yeatman
{"title":"Shaped coil-core design for inductive energy collectors","authors":"M. Kiziroglou, S. Wright, E. Yeatman","doi":"10.1109/PowerMEMS49317.2019.71805307777","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.71805307777","url":null,"abstract":"Coil design is important for maximizing power density in inductive energy harvesting as well as in inductive power transfer. In this work, we present a study of coil performance, based on simulated flux distributions corresponding to a real aircraft application case. The use of funnel-shaped soft magnetic cores boosts magnetic flux density by flux concentration and allows the use of a smaller diameter coil. This reduces the transducer mass as well as the coil resistance $(R_{COIL})$, thereby increasing the power density. Analysis and simulation shows a fifty-fold power density increase from moderate funneling and another two-fold increase by coil size optimization. Results are compared with experimental measurements presented in [1] which demonstrate a $mu mathrm{W} / mathrm{g}left(106 mu mathrm{W} / mathrm{cm}^{3}right)$ power density from alternating environmental magnetic fields in the $10 mu mathrm{T} /300$ Hz range.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"67 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90396835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Thermal energy harvesting through the fur of endothermic animals 通过吸热动物的皮毛收集热能
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.30773705859
E. Bäumker, P. Beck, P. Woias
{"title":"Thermal energy harvesting through the fur of endothermic animals","authors":"E. Bäumker, P. Beck, P. Woias","doi":"10.1109/PowerMEMS49317.2019.30773705859","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.30773705859","url":null,"abstract":"This paper focuses on the design parameters of the thermal connection for a thermoelectric energy harvesting system mounted onto endothermic animals. To the best of our knowledge, this is the first time that the thermal conductivity through a mammal’s fur is analyzed with a specially designed heatsink. An analytical model is built to predict the resulting thermal resistances and is validated with experimental results for two different fur lengths. We show that an optimized design of the thermal interface reduces its thermal resistance up to 38% compared to a trivial design while lowering its weight for about 23%. It is found that the most important design parameter of such a thermal connector is the ability to slide into the fur.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"32 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73488911","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Insulation Design of Portable Radioisotope Electrical Generators 便携式放射性同位素发电机的隔热设计
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.61547404455
X. Wang, W. Chan, P. Fisher, R. Liang, J. Xu
{"title":"Thermal Insulation Design of Portable Radioisotope Electrical Generators","authors":"X. Wang, W. Chan, P. Fisher, R. Liang, J. Xu","doi":"10.1109/PowerMEMS49317.2019.61547404455","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.61547404455","url":null,"abstract":"Radioisotope generators can provide power for several decades without the need of any further energy input, such as solar or chemical energy. A portable radioisotope generator can foresee many applications in future military and civilian uses that require minimum access and maintenance, such as to power sensors in a polar region, on a floating buoy, or undersea. In this work, we report the design, simulation, and measurement results of the thermal insulation of a miniaturized radioisotope system. We tested a prototype powered by an electrical heater with the same size as a plutonium fuel pellet. We tested the material compatibilities and showed the designs suitable for generators using thermoelectric and thermophotovoltaic converters respectively. In addition, we proposed a new insulation that uses a layered dielectric’s omni-directional reflectivity as a futuristic insulation mechanism to shield radiation heat for micro to meso-scale thermal systems.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"18 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72914429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermoelectric Materials and Applicative Issues for Energy Harvesting to Power IoT Sensors and Devices 为物联网传感器和设备提供能量收集的热电材料和应用问题
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.004
T. Mori
{"title":"Thermoelectric Materials and Applicative Issues for Energy Harvesting to Power IoT Sensors and Devices","authors":"T. Mori","doi":"10.1109/PowerMEMS49317.2019.004","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.004","url":null,"abstract":"There is a vital need to develop technologies to dynamically harvest energy from surroundings to power IoT applications [1]. Thermoelectrics is promising, since it enables utilization of ubiquitous thermal energy like body heat [2]. In regards to viable thermoelectric applications, the performance (high Figure of merit ZT) of the materials is important, but likewise critical is the appropriate processing and fabrication methods of effective modules. The cheapness of materials can usually not justify poor thermoelectric performance since the cost of viable materials is typical not the major cost in the module production. Considering applicative issues, we have been developing two strategies, developing inorganic thermoelectric thin films, and developing hybrid or “sticky” inorganic-organic composite materials [3]. The former using sputtering can be compatible to industrial processes and the thin film modules can be readily integrated into IoT devices. The latter can potentially enable roll to roll production of inexpensive large area sheets. I will present our work on these two strategies.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"214 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74160531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancement of Output Power in Self-Assembled Electret-Based Vibrational Energy Generator: Control of Molecular Orientation by Changing Deposition Rate 提高自组装驻极体振动能发生器的输出功率:通过改变沉积速率控制分子取向
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.41031605688
Y. Tanaka, N. Matsuura, H. Ishii
{"title":"Enhancement of Output Power in Self-Assembled Electret-Based Vibrational Energy Generator: Control of Molecular Orientation by Changing Deposition Rate","authors":"Y. Tanaka, N. Matsuura, H. Ishii","doi":"10.1109/PowerMEMS49317.2019.41031605688","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.41031605688","url":null,"abstract":"Recently, we developed self-assembled electret (SAE)-based vibrational energy generator (VEG) which can generate electrical power from ambient vibrations. An advantage of the device is that any charging process is not required for making electret, that is, surface potential (Vsp) of SAE naturally appears only by vacuum deposition. This is because the Vsp originates from spontaneous orientation of polar molecules such as Alq3 and TPBi. Thus, to increase output power of SAE-VEG, enhancement of order parameter of the molecule, $langle cos theta rangle$, is required. In this study, we prepared TPBi-based SAE films with various deposition rate (rdep). We found that the Vsp becomes 1.8 times larger in the case of high rdep of 4.0 Å/s, suggesting that molecular orientation can be controlled by rdep. This result indicates that further enhancement of output power in SAE-VEG can be realized through optimization of fabrication process of SAE.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"28 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78727879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Light harvesting and charge transfer in metal oxide nanomaterials for hydrogen energy generation 用于制氢的金属氧化物纳米材料的光收集和电荷转移
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.92321101197
K. Zakrzewska, A. Kusior, M. Radecka
{"title":"Light harvesting and charge transfer in metal oxide nanomaterials for hydrogen energy generation","authors":"K. Zakrzewska, A. Kusior, M. Radecka","doi":"10.1109/PowerMEMS49317.2019.92321101197","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.92321101197","url":null,"abstract":"Photoelectrochemical cells, PEC represent an important class of devices generating solar-hydrogen and create an attractive alternative to the traditional power sources. Practical application of PEC is hindered by numerous drawbacks of semiconducting light absorbers, the most important being: a mismatch between the spectrum of Sun and the fundamental absorption of the semiconducting photoanode. This review is devoted to new solutions related to the light harvesting and charge transport issues in TiO2-based PEC. Light management based on fitting the sunlight spectrum to the sensitivity of the device via a wavelength-shift operation, such as up-conversion, is proposed. Charge transport schemes required to reduce electron-hole pairs’ recombination depend on the form of the photoanode material with 1D nanorods and nanotubes being considered the best suited for this purpose.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"84 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90155402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conducting polymer electrodes in electrochemical cells for waste heat harvesting 用于废热收集的电化学电池导电聚合物电极
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.82063200099
Qingshuo Wei, M. Mukaida, K. Kirihara, S. Horike
{"title":"Conducting polymer electrodes in electrochemical cells for waste heat harvesting","authors":"Qingshuo Wei, M. Mukaida, K. Kirihara, S. Horike","doi":"10.1109/PowerMEMS49317.2019.82063200099","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.82063200099","url":null,"abstract":"We show that conducting polymer Poly (3,4-ethylene dioxythiophene)/poly (styrene sulfonate) film could be an ideal electrode in thermo-electrochemical cells, which shows a low charge transfer resistance. Using ferricyanide/ferrocyanide as an electrolyte, the Poly (3,4-ethylene dioxythiophene)/poly (styrene sulfonate) based thermo-electrochemical cell could be used to drive light-emitting diodes array. The conducting polymers also show the advantage of hybrid insoluble redox couples such as Prussian blue analog materials, making it easy to measure the temperature-dependent redox potential. By a combination of proper redox couples, the thermally regenerative electrochemical cells could realize. The power could generate during the environmental temperature change.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"16 8","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91547464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Energy Harvesting from Triboelectric Nanogenerator Attached Inside Rolling Tire 安装在滚动轮胎内部的摩擦纳米发电机的能量收集
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/powermems49317.2019.61547400764
H. Tani, M. Sugimoto, K. Fushihara, Y. Nakao, R. Renguo, S. Koganezawa, Tagawa
{"title":"Energy Harvesting from Triboelectric Nanogenerator Attached Inside Rolling Tire","authors":"H. Tani, M. Sugimoto, K. Fushihara, Y. Nakao, R. Renguo, S. Koganezawa, Tagawa","doi":"10.1109/powermems49317.2019.61547400764","DOIUrl":"https://doi.org/10.1109/powermems49317.2019.61547400764","url":null,"abstract":"In this study, we developed a triboelectric nanogenerator (TENG) for intelligent tires. This TENG was adhered on the inner surface of a racing cart tire. The charged voltage and output voltage of the TENG were evaluated on the moving belt. The output voltage signals were observed at the contact patch position. The charged voltage to the 10 µF capacitor of was found to be approximately 14 V at the speed of 16 km/h after the tire rolled for 15 min. These results suggest that TENG can work as an energy harvester for temperature and pressure sensors built into intelligent tires as well as for wireless transmission.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"55 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90970630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Current-Enhanced Self-Sustainable Wearable Triboelectric Textile System for Healthcare Monitoring and Rehabilitation Applications 用于健康监测和康复应用的电流增强自我可持续可穿戴摩擦电纺织系统
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/PowerMEMS49317.2019.71805304506
Tianyiyi He, Hao Wang, Chengkuo Lee
{"title":"Current-Enhanced Self-Sustainable Wearable Triboelectric Textile System for Healthcare Monitoring and Rehabilitation Applications","authors":"Tianyiyi He, Hao Wang, Chengkuo Lee","doi":"10.1109/PowerMEMS49317.2019.71805304506","DOIUrl":"https://doi.org/10.1109/PowerMEMS49317.2019.71805304506","url":null,"abstract":"In this work, a facile and universal strategy to enhance the triboelectric output is proposed by the integration of a narrow-gap TENG textile (T-TENG) with a high-voltage diode and a textile-based switch. The closed-loop current of the diode-enhanced textile-based TENG (D-TENG) can be increased by 25 times, and the speed of the charging capacitor is 4 times larger than the conventional strategy. The soft, flexible, and thin characteristics of the D-TENG enable a moderate output under various operations even as it is randomly scrunched. Besides, the enhanced current can directly stimulate rat muscle and nerve. In addition, we demonstrate the capability of the D-TENG as a practical power source for wearable sensors by powering Bluetooth sensors for humidity and temperature sensing.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"462 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77036246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Origami Heat Radiation Fin for Stretchable Thermoelectric Generator 可伸缩热电发电机折纸热辐射翅片
2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI: 10.1109/powermems49317.2019.51289503227
M. Akuto, K. Fukuie, E. Iwase
{"title":"Origami Heat Radiation Fin for Stretchable Thermoelectric Generator","authors":"M. Akuto, K. Fukuie, E. Iwase","doi":"10.1109/powermems49317.2019.51289503227","DOIUrl":"https://doi.org/10.1109/powermems49317.2019.51289503227","url":null,"abstract":"We proposed a thermoelectric generator (TEG) with origami-like folded structure called “origami-fin” in order to achieve both high heat radiation performance and high stretchability. Our origami-fin produces the stretchability of the TEG by local bending of non-stretchable material and works as a heat radiator because of its large surface area compared with a not folded flat structure. We evaluated a heat radiation performance of the origami-fin, and stability of the performance by stretching deformation. The results show that the origami-fin works as a heat radiator to enhance the output of the TEG, and has high stretchability with slight output reduction.","PeriodicalId":6648,"journal":{"name":"2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)","volume":"95 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83350656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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