Si-TiN alloy Li-ion battery negative electrode materials made by N2 gas milling

被引：7

作者：

Wang, Y. ^{[1
,2
,3
]}

Cao, Simeng ^{[1
]}

Liu, Hui ^{[1
,2
,3
]}

Zhu, Min ^{[2
,3
]}

Obrovac, M. N. ^{[1
,4
]}

机构：

[1] Dalhousie Univ, Dept Chem, Halifax, NS B3H 4R2, Canada

[2] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China

[3] South China Univ Technol, Key Lab Adv Energy Storage Mat Guangdong Prov, Guangzhou 510641, Guangdong, Peoples R China

[4] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 4R2, Canada

来源：

MRS COMMUNICATIONS | 2018年 / 8卷 / 03期

关键词：

TITANIUM NITRIDE; ANODES;

D O I：

10.1557/mrc.2018.178

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Si-TiN alloys are attractive for use as negative electrodes in Li-ion cells because of the high conductivity, low electrolyte reactivity, and thermal stability of TiN. Here it is shown that Si-TiN alloys with high Si content can surprisingly be made by simply ball milling Si and Ti powders in N-2 (g); a reaction not predicted by thermodynamics. This offers a low-cost and simple method of synthesizing these attractive materials. The resulting alloys have smaller grain sizes than Si-TIN made by ball milling Si and TIN directly, giving them high thermal stability and improved cycling characteristics in Li cells.

引用

页码：1352 / 1357

页数：6

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