期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 11, 期 10, 页码 1916-1918出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.08.015
关键词
Silicon-oxygen; Silicon-air battery; RTIL; High capacity
资金
- Israel-USA Binational Science Foundation (BSF)
- Technion Research Foundation
- Ministry of Immigrant Absorption
- Council for Higher Education
A new metal-air battery based on silicon-oxygen couple is described. Silicon-air battery employing EMI-2.3HF.F room temperature ionic liquid (RTIL) as an electrolyte and highly-doped silicon wafers as anodes (fuels) has an undetectable self-discharge rate and high tolerance to the environment (extreme moisture/dry conditions). Such a battery yields an effectively infinite shelf life with an average working voltage of 1-1.2 V. Silicon-air battery can support relatively high current densities (up to 0.3 mA/cm(2)) drawn from flat polished silicon wafers anodes. Such batteries may find immediate applications, as they can provide an internal, built-in autonomous and self sustained energy source. (C) 2009 Elsevier B.V. All rights reserved.
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