• 文献标题:   Design and electrochemical investigation of a novel graphene oxide-silver joint conductive agent on LiFePO4 cathodes in rechargeable lithium-ion batteries
  • 文献类型:   Article
  • 作  者:   ILANGO PR, GNANAMUTHU R, JO YN, LEE CW
  • 作者关键词:   lithiumion battery, surface, conductive agent, energy storage conversion
  • 出版物名称:   JOURNAL OF INDUSTRIAL ENGINEERING CHEMISTRY
  • ISSN:   1226-086X EI 1876-794X
  • 通讯作者地址:   Kyung Hee Univ
  • 被引频次:   12
  • DOI:   10.1016/j.jiec.2016.01.037
  • 出版年:   2016

▎ 摘  要

We designed a novel graphene oxide-silver (GO-Ag) joint conductive agent to improve the low electronic conductivity of LiFePO4 (LFP) and attempted to replace the commercial carbon black. The phase evaluations of fabricated cathodes have been characterized using X-ray diffraction and it shows no additional peaks from GO-Ag. The morphological and elemental analysis depicts that the joint GO-Ag enwraps the LFP with uniform distribution of elements. The electrochemical profiles corroborate the stable cycleability and better capability. The optimized electrode gives the better initial charge discharge capacity of similar to 155 mAhig and similar to 150 mAh/g at a 0.5C rate, respectively. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.