期刊
ECS SOLID STATE LETTERS
卷 2, 期 6, 页码 M41-M43出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.001306ssl
关键词
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资金
- Open Project of Key Lab Adv. Energy Mat. Chem. (Nankai Univ.) [KLAEMC-OP201201]
We develop a novel approach to prepare tin oxide (SnO2)/graphene composite as an anode material for lithium ion batteries mainly through an oxidation-reduction reaction between graphene oxide (GO) and SnCl2 center dot 2H(2)O, as well as the promotion and neutralization effect of urea. The SnO2/graphene composite exhibits outstanding Li-battery performance with large reversible capacity and high rate capacity. The first discharge and charge capacities are 2751.4 mAh . g(-1) and 1254.6 mAh . g(-1) at the density of 100 mA . g(-1). After 30 cycles, the reversible discharge capacity still remains at 985.5 mAh . g(-1). The prepared products can be a promising alternative anode material used for high-storage lithium ion batteries. (C) 2013 The Electrochemical Society. [DOI: 10.1149/2.001306ssl] All rights reserved.
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