多硫化物
硫黄
电解质
电化学
材料科学
碳纳米管
锂(药物)
阴极
化学气相沉积
无机化学
电极
锂硫电池
碳纤维
溶解
化学工程
化学
纳米技术
复合材料
有机化学
冶金
物理化学
内分泌学
工程类
复合数
医学
作者
Sang-Cheol Han,Min‐Sang Song,Ho Lee,Hyun-Seok Kim,Hyo‐Jun Ahn,Jun Young Lee
出处
期刊:Journal of The Electrochemical Society
[The Electrochemical Society]
日期:2003-01-01
卷期号:150 (7): A889-A889
被引量:213
摘要
In order to bestow high electronic conductivity and prevent dissolution of sulfur into the electrolyte, multiwalled carbon nanotubes (MWNTs) were prepared by thermal chemical vapor deposition as an inactive additive material for elemental sulfur positive electrodes for lithium/sulfur rechargeable batteries. The initial discharge capacity of elemental sulfur positive electrode with MWNT is 485 mAh/g sulfur at 2.0 V vs. The cycle life and rate capability of sulfur cathode is increased with addition of MWNT. The MWNT shows a vital role on polysulfide adsorbtion and is a good electric conductor for a sulfur cathode. © 2003 The Electrochemical Society. All rights reserved.
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