ELECTROCHEMICAL INSERTION OF LITHIUM INTO YBA2CU3O7-Y

被引：11
|
作者：
CHEN, LQ [1 ]
VANZOMEREN, A [1 ]
SCHOONMAN, J [1 ]
机构：
[1] DELFT UNIV TECHNOL,INORGAN CHEM LAB,JULIANALAAN 136,2628 BL DELFT,NETHERLANDS
来源：
SOLID STATE IONICS | 1992年 / 50卷 / 1-2期
关键词：
D O I：
10.1016/0167-2738(92)90036-O
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：
Lithium insertion into the superconductor YBa2Cu3O7-y has been studied with the cell Li\1 M LiClO4 in PC\LixYBa2Cu3O7-y. The open circuit voltage of the cell decreases gradually from 3.4 V to 2.2 V as the lithium content x increases from 0 to 0.3. Then a voltage plateau is reached that continues up to x = 1.0. The chemical diffusion coefficient of lithium has been determined by the galvanostatic intermittent titration technique. A value of 1.65 to 2.13 x 10(-7) cm2/s for x < 0.1 is obtained. The reversibility of the lithium insertion was shown by voltammetry and repeated cycling of YBa2Cu3O7-y. A battery has been made with a capacity of 24.4 mAh, corresponding to a volume capacity of 256.7 Ah/I.
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页码：55 / 58
页数：4
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