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作者:

Guo, Yumeng (Guo, Yumeng.) | Zhang, Lijuan (Zhang, Lijuan.) | Wang, Jiantao (Wang, Jiantao.) | Liang, Jumei (Liang, Jumei.) | Xi, Lidege (Xi, Lidege.)

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EI Scopus SCIE

摘要:

Iron sulfide (FeSx), as an anode material for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs), has attracted special attention in recent years. In this paper, an extremely facile calcination method for the synthesized of Fe7S8@C nanocomposites with different morphologies and sizes is described. The Fe7S8@C anode provides an ultrahigh charge capacity of 1042 mAh g(-1) after 100 cycles at a current density of 100 mA g(-1) for LIBs and 524 mAh g(-1) after 150 cycles at a current density of 200 mA g(-1) for SIBs. It is impressive that the material shows super-long cycle stability with a reversible capacity of 789 mAh g(-1) after 1000 cycles and 370 mAh g(-1) after 500 cycles at a high current density of 1000 mAg(-1) and 500 mA g(-1) for LIBs and SIBs, respectively. Nanosized particles, in situ generated carbon and the porous structure of the materials are beneficial for the storage of lithium/sodium ions. Importantly, the preparation of the Fe7S8@C anode provides a very simple method for the structural design of high-performance anode materials, and may be practical in various applications such as catalysis and sensors. (C) 2019 Elsevier Ltd. All rights reserved.

关键词:

Anode materials Sodium-ion batteries Lithium-ion batteries Iron polysulfide

作者机构:

  • [ 1 ] [Guo, Yumeng]Beijing Univ Technol, Sch Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Ctr Excellence Environm Safety & Biol Effects,Dep, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Lijuan]Beijing Univ Technol, Sch Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Ctr Excellence Environm Safety & Biol Effects,Dep, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Jiantao]Beijing Univ Technol, Sch Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Ctr Excellence Environm Safety & Biol Effects,Dep, Beijing 100124, Peoples R China
  • [ 4 ] [Liang, Jumei]Beijing Univ Technol, Sch Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Ctr Excellence Environm Safety & Biol Effects,Dep, Beijing 100124, Peoples R China
  • [ 5 ] [Xi, Lidege]Beijing Univ Technol, Sch Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Ctr Excellence Environm Safety & Biol Effects,Dep, Beijing 100124, Peoples R China

通讯作者信息:

  • [Zhang, Lijuan]Beijing Univ Technol, Sch Environm & Energy Engn, Beijing Key Lab Green Catalysis & Separat, Ctr Excellence Environm Safety & Biol Effects,Dep, Beijing 100124, Peoples R China

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来源 :

ELECTROCHIMICA ACTA

ISSN: 0013-4686

年份: 2019

卷: 322

6 . 6 0 0

JCR@2022

ESI学科: CHEMISTRY;

ESI高被引阀值:166

JCR分区:1

被引次数:

WoS核心集被引频次: 30

SCOPUS被引频次: 31

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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