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作者:

Xu, XiaoLong (Xu, XiaoLong.) | Hao, ZhenDong (Hao, ZhenDong.) | Wang, Hao (Wang, Hao.) | Liu, JingBing (Liu, JingBing.) | Yan, Hui (Yan, Hui.) (学者:严辉)

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EI Scopus SCIE

摘要:

In order to improve high rate and cycle performances of commercial LiFePO4 (LFP), mesoporous carbon (MC) is synthesized by carbonization of zeolitic imidazolate frameworks-8 (ZIF-8). As an additive, MC can improve both electronic conductivity and lithium ion diffusion coefficient of LFP due to its high conductivity and mesoporous structure. LFP mixing with MC delivers a high rate performance of 154.6 mAh g(-1) at a current rate of 0.5 C and a capacity retention ratio of approximately 99.9% after 60 cycles at 10.0 C. Moreover, the discharge energy density is also improved due to the enhancement of discharge voltage platform. (C) 2017 Elsevier B.V. All rights reserved.

关键词:

LiFePO4 Zeolitic imidazolate frameworks-8 Mesoporous carbon High conductivity

作者机构:

  • [ 1 ] [Xu, XiaoLong]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Hao, ZhenDong]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Hao]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Liu, JingBing]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Yan, Hui]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • 王浩 严辉

    [Wang, Hao]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China;;[Yan, Hui]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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来源 :

MATERIALS LETTERS

ISSN: 0167-577X

年份: 2017

卷: 197

页码: 209-212

3 . 0 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

ESI高被引阀值:287

中科院分区:3

被引次数:

WoS核心集被引频次: 18

SCOPUS被引频次: 20

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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