|本期目录/Table of Contents|

[1]张茜,徐彦,蔡泽玮,等.PDA源多孔碳的制备及其电化学性能[J].浙江理工大学学报,2021,45-46(自科五):588-595.
　ZHANG Qian,XU Yan,CAI Zewei,et al.Preparation of porous carbon from PDA and its electrochemical properties[J].Journal of Zhejiang Sci-Tech University,2021,45-46(自科五):588-595.
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PDA源多孔碳的制备及其电化学性能()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第45-46卷
期数:
2021年自科第五期
页码:
588-595
栏目:
出版日期:
2021-09-10

文章信息/Info

Title:
Preparation of porous carbon from PDA and its electrochemical properties
文章编号:
1673-3851 (2021) 09-0588-08
作者:
张茜; 徐彦; 蔡泽玮; 蔡玉荣
浙江理工大学材料科学与工程学院，杭州 310018
Author(s):
ZHANG Qian;  XU Yan;  CAI Zewei;  CAI Yurong
School of Materials Science & Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
多孔碳; 锂硫电池; PDA; 正极材料
分类号:
TM912
文献标志码:
A
摘要:
多硫化物会造成锂硫(LiS)电池活性物质利用率不足、电池循环稳定性差等问题，为获得高循环稳定性的锂硫电池，以聚多巴胺（PDA）纳米粒子作为前驱体制备多孔碳，以获得具有高的比表面积及导电性的碳材料，将其用作锂硫电池正极硫载体，分析该碳/硫复合电极的电化学性能。结果表明:在0-20 C电流密度下碳/硫电极首圈放电容量高达950 mAh/g，循环200圈后放电容量为630 mAh/g，平均每圈的容量衰减率为0-16%；在高电流密度下，该电池也表现出良好的循环稳定性：1 00 C电流密度下首圈放电容量为691 mAh/g，循环400圈后容量高达503 mAh/g，容量保持率为72-79%。制备的碳材料显著提高了活性物质硫的利用率及电池的循环稳定性，是一种极具应用潜能的锂硫电池活性材料。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2021-01-18
网络出版日期：2021-03-30
基金项目：浙江理工大学基本科研业务费项目(2019Y006)
作者简介：张茜(1995-)，女，陕西咸阳人，硕士研究生，主要从事锂硫电池正极材料方面的研究
通信作者：蔡玉荣，E-mail：caiyr@zstu.edu.cn
更新日期/Last Update: 2021-09-16