Lithium aluminum manganese oxide having spinel-framework structure for long-life lithium-ion batteries

被引：57

作者：

Ariyoshi, Kingo ^{[1
]}

Iwata, Eiichi

Kuniyoshi, Minoru

Wakabayashi, Hiromichi

Ohzuku, Tsutomu

机构：

[1] Osaka City Univ, Grad Sch Engn, Dept Appl Chem, Osaka 5588585, Japan

[2] Tosoh Corp, Proc Dev, Nanyo Technol Ctr, Yamaguchi 7468501, Japan

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2006年 / 9卷 / 12期

关键词：

D O I：

10.1149/1.2360019

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Lithium aluminum manganese oxide (LAMO) having a spinel-framework structure (a=8.211 A) was prepared and examined in lithium nonaqueous cells. LAMO shows extremely small irreversible capacity with rechargeable capacity of ca. 105 mAh g(-1) in lithium cells operated in voltage of 3 to 5 V. To show durability for long-life applications, a 2.5 V lithium-ion cell of Li[Li1/3Ti5/3]O-4 and LAMO was fabricated and accelerated cycle tests were done at room temperature in voltage of 2 to 3 V for 3600 cycles, and an empirical relation between capacity (Q) and number of cycle (n) was obtained to be Q=102.7-0.144 n(1/2). (c) 2006 The Electrochemical Society.

引用

页码：A557 / A560

页数：4

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