globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2019.09.026
论文题名:
Keggin and Dawson polyoxometalates as electrodes for flexible and transparent piezoelectric nanogenerators to efficiently utilize mechanical energy in the environment
作者: He P.; Chen W.; Li J.; Zhang H.; Li Y.; Wang E.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:1
起始页码: 35
结束页码: 44
语种: 英语
中文关键词: Electrode materials ; Flexible ; Piezoelectric nanogenerator ; Polyoxometalate ; Transparent
英文关键词: Benchmarking ; Electrodes ; Energy harvesting ; Nanogenerators ; Nanotechnology ; Open circuit voltage ; Oxides ; Piezoelectricity ; Thermoelectric equipment ; Electrode material ; Flexible ; Piezoelectric nanogenerator ; Polyoxometalates ; Transparent ; Electron devices
英文摘要: In recent years, piezoelectric nanogenerators (PENGs) have been developed as a promising energy-harvesting electronic device. However, the electrodes of most PENGs devices are precious metals, thus increasing the production cost. Here, we propose a flexible transparent PENGs with polyoxometalates (POMs) as the electrodes; it can effectively utilize ambient mechanical energy to generate electricity. Five types of polyoxometalates with different structures and compositions are selected as the electrode materials for PENGs for the first time, and the output performance of different PENGs electrode devices is tested. The PENG device with (NH4)6P2Mo18O62 as the electrode can steadily provide a high electric output with an open-circuit voltage of 2.8 mV and a short-circuit current of 8.5 µA at the bending degree of 90°. At the same time, the transmission spectrum shows that the average visible transmittance (AVT) of PENG can reach 31%, thus outperforming the benchmark for window applications. Finally, the working mechanism, force analysis, repeatability, and stability of PENG are systematically evaluated. All the studies show that this flexible transparent device has potential application prospect in wearable electronic devices. © 2019 Science China Press
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/169910
Appears in Collections:气候变化与战略

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作者单位: Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China; Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252059, China

Recommended Citation:
He P.,Chen W.,Li J.,et al. Keggin and Dawson polyoxometalates as electrodes for flexible and transparent piezoelectric nanogenerators to efficiently utilize mechanical energy in the environment[J]. Science Bulletin,2020-01-01,65(1)
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