高等学校化学学报Issue(5)：1051-1056,6.DOI:10.7503/cjcu20131034
不同形貌聚吡咯对SnO2负极电化学性能的改善
Improvement of Electrochemical Performance of SnO2 Anode by Polypyrrole with Different Morphologies
摘要
Abstract
SnO2/polypyrrole composites as anode material of lithium ion batteries were in-situ prepared by an one-step precipitation in the suspension of the polypyrrole synthesized in advance. It is found that the morpho-logy of polypyrrole has an obvious effect on the electrochemical performance of SnO2/polypyrrole composite anode. The granular polypyrrole(G-PPy) displayed advantages over the tubular polypyrrole. The composite containing G-PPy reached the first coulombic efficiency of 77. 6% and remained a reversible specific capacity higher than 600 mA·h/g after 60 cycles. The good flexibility and adhesion of polypyrrole could make a con-tribution to the enhancement of the electrochemical performance of SnO2 based anode.关键词
SnO2/聚吡咯负极/管状聚吡咯/球状聚吡咯/锂离子电池Key words
SnO2/polypyrrole anode/Tubular polypyrrole/Globular polypyrrole/Lithium ion battery分类
化学化工引用本文复制引用
彭鹏,温兆银,刘宇,杨建华..不同形貌聚吡咯对SnO2负极电化学性能的改善[J].高等学校化学学报,2014,(5):1051-1056,6.基金项目
国家自然科学基金(批准号:51373195)资助.@@@@ Supported by the National Natural Science Foundation of China(No.51373195) （批准号:51373195）
