期刊
SOLID STATE IONICS
卷 180, 期 2-3, 页码 212-215出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2008.12.001
关键词
Lithium nitride; Nitrogen; Anode; Lithium ion cell
资金
- Foundation of Sichuan Education Department, China [07ZA159]
- Foundation of Mianyang Bureau of Science and Technology, China [07Y003-1]
The reaction of N(2) with lithium at electrode in lithium ion batteries was reported in this paper. At room temperature, N(2) can react with lithium, mainly at anode. to form Li(3)N in an electrochemical system very easily during charge-discharge cycles. Li(3)N has been characterized by XPS. Experimental results also revealed that the higher of the current density and higher of the temperature resulted in quicker of the nitrogen-fixation reaction. Moreover, the reaction of nitrogen with Li was faster at the TiO(2)-coated cathode than at the uncoated cathode. The reaction can be brought about almost completely in the lithium ion batteries at room temperature. This could be a new method for preparation of Li(3)N at room temperature. (C) 2008 Elsevier B.V. All rights reserved.
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