期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 11, 页码 2937-2941出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201611691
关键词
electrochemical reactions; lithium ion battery; phosphorus sulfide molecule; sulfur-rich compounds
资金
- National Natural Science Fund of China [21671183, 21521001, 21471142, 51602303]
- Fundamental Research Funds for the Central Universities [WK2060190053]
- China Postdoctoral Science Foundation [2015M580548, 2015M582083, 2016T90581, 2016T90626]
A new family of sulfur-rich phosphorus sulfide molecules (P4S10+n) and their electrochemical reaction mechanism with metallic Li has been explored. These P4S10+n molecules are synthesized by the reaction between P4S10 and S. For Li batteries, the P4S40 molecule in the series of P4S10+n molecules provides the highest capacity, which has a first discharge capacity of 1223 mAhg(-1) at 100 mAg(-1) and stabilizes at approximately 720 mAhg(-1) at 500 mAg(-1) after 100 cycles. This new class of sulfur-rich P4S10+n molecules and its electrochemical behavior for room-temperature Li+ storage could provide novel insights for phosphorus sulfide molecules and high-energy batteries.
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