Performance of Lithium Ion Capacitors Using Mild Expanded Graphite as Cathode

WANG Dongliang; ZHOU Zhiyong; LI Hongtao; PING Lina

doi:10.14044/j.1674-1757.pcrpc.2015.05.014

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Performance of Lithium Ion Capacitors Using Mild Expanded Graphite as Cathode

更新时间：2024-09-14

- Performance of Lithium Ion Capacitors Using Mild Expanded Graphite as Cathode
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 36, Issue 5, Pages: 70-73(2015)
- 作者机构：
  
  中航锂电(洛阳)有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2015.05.014
  CLC： TM53;O613.71
- Published：2015，
- 稿件说明：
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[1]王栋梁,周志勇,李洪涛,平丽娜.微膨胀石墨正极锂离子电容器性能研究[J].电力电容器与无功补偿,2015,36(05):70-73.

WANG DONGLIANG, ZHOU ZHIYONG, LI HONGTAO, et al. Performance of Lithium Ion Capacitors Using Mild Expanded Graphite as Cathode. [J]. Power capacitor & reactive power compensation, 2015, 36(5): 70-73.
[1]王栋梁,周志勇,李洪涛,平丽娜.微膨胀石墨正极锂离子电容器性能研究[J].电力电容器与无功补偿,2015,36(05):70-73. DOI： 10.14044/j.1674-1757.pcrpc.2015.05.014.

WANG DONGLIANG, ZHOU ZHIYONG, LI HONGTAO, et al. Performance of Lithium Ion Capacitors Using Mild Expanded Graphite as Cathode. [J]. Power capacitor & reactive power compensation, 2015, 36(5): 70-73. DOI： 10.14044/j.1674-1757.pcrpc.2015.05.014.

摘要

研究了以微膨胀石墨为正极

分别以微膨胀石墨、硬碳及不同嵌锂量的硬碳为负极的锂离子电容器

通过对比不同样品间的容量、交流阻抗及循环性能等得出结论。硬碳嵌锂电位控制在0.005 V的样品具有较好的循环周期性

8 000次循环后容量保持率为90.1%

且80C倍率放电容量保持率为64.2%。

Abstract

In this paper

lithium ion capacitors are studied

taking mild expanded graphite as cathode

the mild expanded graphite

hard carbon

and hard carbon with different Li+ pre-doping as anode. By comparing the capacity

EIS and cycle performance of different samples

the conclusion is drawn. The sample of Li+pre-doping hard carbon as anode has the best performance

and the more Li+ pre-doping

the better the capacity. The sample of 0.005 V hard carbon has the best cycle performance

capacity retention rate is 90.1% after 8 000 cycle

and the retention rate is 64.2% at 80 C.

关键词

微膨胀石墨硬碳预嵌锂锂离子电容器

Keywords

mild expanded graphitehard carbonLi+ pre-dopinglithium ion capacitors

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