气候变化领域集成服务门户(CCPortal): Simultaneous energy harvesting and storage: Via solar-driven regenerative electrochemical cycles

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DOI	10.1039/c9ee01930h
	Simultaneous energy harvesting and storage: Via solar-driven regenerative electrochemical cycles
	Ding Y.; Guo X.; Ramirez-Meyers K.; Zhou Y.; Zhang L.; Zhao F.; Yu G.
发表日期	2019
ISSN	1754-5692
起始页码	3370
结束页码	3379
卷号	12 期号:11
英文摘要	Solar energy is regarded as the most promising source of electricity considering its large magnitude on earth every day. The effective use of such an intermittent energy source relies on development of affordable, inexhaustible and clean solar energy conversion and storage technologies. Here, we design a novel solar-driven regenerative electrochemical system for simultaneous photoelectric energy harvesting and storage. With rational screening of redox species and comprehensive electrochemical study, a high Seebeck coefficient of-1.8 mV K-1 is achieved by solely exploiting earth-Abundant materials based on the thermogalvanic effect. A high energy conversion efficiency (1.23%, and 11.9% versus the Carnot efficiency) is achieved under a low temperature gradient of 35 °C. Moreover, the durability of the proof-of-concept device has been examined under solar irradiation employing the bifunctional current collector/solar absorber with good electrical conductivity, efficient solar absorption and photothermal transduction. This innovative cell design integrating simultaneous energy conversion and storage represents an alternative approach towards cost-effective harnessing of solar energy and even more broad thermal energy in ambient environments. This journal is © The Royal Society of Chemistry.
语种	英语
scopus关键词	Conversion efficiency; Cost effectiveness; Energy harvesting; Solar energy; Temperature; Earth-abundant materials; Electrical conductivity; Electrochemical studies; Electrochemical systems; Energy conversion and storages; High energy conversions; Intermittent energy source; Low temperature gradients; Storage (materials); drag coefficient; efficiency measurement; electrical conductivity; electricity; energy efficiency; energy resource; energy storage; fuel cell; low temperature; solar power; solar radiation; temperature gradient
来源期刊	Energy and Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/162436
作者单位	Materials Science and Engineering Program and Department of Mechanical Engineering, University of Texas at Austin, Austin, TX 78712, United States
推荐引用方式 GB/T 7714	Ding Y.,Guo X.,Ramirez-Meyers K.,et al. Simultaneous energy harvesting and storage: Via solar-driven regenerative electrochemical cycles[J],2019,12(11).
APA	Ding Y..,Guo X..,Ramirez-Meyers K..,Zhou Y..,Zhang L..,...&Yu G..(2019).Simultaneous energy harvesting and storage: Via solar-driven regenerative electrochemical cycles.Energy and Environmental Science,12(11).
MLA	Ding Y.,et al."Simultaneous energy harvesting and storage: Via solar-driven regenerative electrochemical cycles".Energy and Environmental Science 12.11(2019).