Intermetallic SnSbx compounds for lithium insertion hosts

被引：58

作者：

Yang, J

Takeda, Y

Imanishi, N

Xie, JY

Yamamoto, O

机构：

[1] Mie Univ, Dept Chem, Tsu, Mie 5148507, Japan

[2] Chinese Acad Sci, Shanghai Inst Met, Shanghai, Peoples R China

[3] INC, Genesis Res Inst, Nagoya, Aichi, Japan

来源：

SOLID STATE IONICS | 2000年 / 133卷 / 3-4期

关键词：

ultrafine SnSbx alloy powders; Li-insertion material; cycling performance;

D O I：

10.1016/S0167-2738(00)00749-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ultrafine SnSbx (x = 0, 0.23 and 1)powders are examined as host materials for lithium insertion and extraction. The cycle stability is dependent on the extent of lithium insertion and the phase composition of the SnSbx alloys. Limited lithium insertion into SnSb phase can prevent its structure rearrangement. SnSb0.23 two-phase alloy shows a better cycle performance than Sn and SnSb single-phase hosts under high lithium utilization. The high irreversibility of the metallic hosts at the first cycle can be compensated by a combination of the SnSbx with Li2.6Co0.4N. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：189 / 194

页数：6

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