• 文献标题:   CuInZnS-decorated graphene as a high-rate durable anode for lit (c) 2014 Elsevier BV All rights reserved.hium-ion batteries
  • 文献类型:   Article
  • 作  者:   TANG XS, YAO XY, CHEN Y, SONG BH, ZHOU D, KONG JH, ZHAO CY, LU XH
  • 作者关键词:   quaternary sulfide, graphene, hydrothermal, rate capability, lithiumion battery
  • 出版物名称:   JOURNAL OF POWER SOURCES
  • ISSN:   0378-7753 EI 1873-2755
  • 通讯作者地址:   Nanyang Technol Univ
  • 被引频次:   12
  • DOI:   10.1016/j.jpowsour.2014.01.107
  • 出版年:   2014

▎ 摘  要

CuInZnS-decorated graphene (CIZS@graphene) is prepared via a hydrothermal process and investigated as an anode material for lithium-ion batteries. CIZS@graphene exhibits an initial discharge capacity of 1623 mA.h g(-1), at 100 mA g(-1), and at a high rate of 2000 mA g(-1) its reversible capacity is steadily increased from 389 mA h g(-1), to 494 mA h g(-1) in 480 cycles, demonstrating promising stable cycling performance at high rates. Electrochemical impedance spectroscopic studies show that charge-transfer resistances of CIZS@graphene reduces after cycling at high rates, justifying the excellent high-rate performance and stability of the CIZS@graphene anode. (C) 2014 Elsevier B.V. All rights reserved.