Effects of cation mixing on the electrochemical lithium intercalation reaction into porous Li1-delta Ni1-yCoyO2 electrodes

被引：172

作者：

Choi, YM

Pyun, SI

Moon, SI

机构：

[1] KOREA ADV INST SCI & TECHNOL,DEPT MAT SCI & ENGN,YUSONG GU,TAEJON 305701,SOUTH KOREA

[2] KOREA ELECTROTECHNOL RES INST,DIV ELECT MAT,CHANG WON 641600,SOUTH KOREA

来源：

SOLID STATE IONICS | 1996年 / 89卷 / 1-2期

关键词：

cation mixing; Li1-delta Ni1-yCoyO2 electrodes; lithium intercalation; electrochemical impedance spectroscopy; lithium absorption resistance; lithium diffusivity;

D O I：

10.1016/0167-2738(96)00269-X

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：

The present work investigates the effects of cation mixing on electrochemical lithium intercalation involving absorption reaction and diffusion of lithium ion in porous Li1-deltaNi1-yCoyO2 electrodes (0 less than or equal to delta; y less than or equal to 1) by using electrochemical impedance spectroscopy (EIS). The measured electrode potential, instantaneous IR drop, lithium absorption resistance and lithium diffusivity have been discussed as functions of lithium content (1 - delta) and cobalt content y with respect to cation mixing between the Ni3+ and Li+ ions in porous Li1-deltaNi1-yCoyO2 electrodes.

引用

页码：43 / 52

页数：10

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