期刊
CHEMICAL COMMUNICATIONS
卷 53, 期 32, 页码 4453-4456出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc01570d
关键词
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资金
- National Science Foundation [DMR-1508537]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1508537] Funding Source: National Science Foundation
The development of practical Mg based batteries is limited by the lack of a library of suitable electrolytes. Recently a 12-vertex closo-carborane anion based electrolyte has been shown to be the first electrolyte for Mg based batteries, which is both non-corrosive and has high electrochemical stability (+3.5 V vs. Mg0/2+). Herein we show that smaller 10-vertex closo-carborane anions also enable electrolytes for Mg batteries. Reduction of the trimethylammonium cation of [HNMe3 (1+)][HCB9H91-] with elemental Mg yields the novel magnesium electrolyte [Mg2+][HCB(9)H(988)1-](2). The electrolyte displays excellent electrochemical stability, is non-nucleophilic, reversibly deposits and strips Mg, and is halide free. This discovery paves the way for the development of libraries of Mg electrolytes based on more cost effective 10-vertex closo-carborane anions.
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