Microstructure, Residual Stress and Corrosion Resistance in Electrodeposited Copper Foils

  • Yanhong Hua
  • Zhihua Nie
  • Guojie Huang
  • Yanfeng Li
  • Haofeng Xie
  • Dongmei Liu
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

The current collector is a key component in rechargeable lithium ion batteries, which helps to carry electrode materials and collect the current. Copper foil, a thin sheet of Cu, is usually used as the current collector. To meet the requirement of lighter weight and higher energy density of lithium ion batteries, thinner copper foil with lower cost is demanded. In this paper, two commercial electrodeposited copper foils with thickness of 9 μm were studied by X-ray diffraction, scanning electron microscope and electron backscatter diffraction techniques. The corrosion resistance for the copper foils was also estimated by polarization curves. The crystal structure, microstructure, grain preferred orientation, residual stress, and corrosion resistance property were compared for the two foils.

Keywords

Copper foils Corrosion resistance Electrodeposition 

Notes

Acknowledgements

This work is supported by the National Key R&D Program of China under Contract No. 2016YFB0301300 and the National Natural Science Foundation of China (Grant No. 51401026).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Yanhong Hua
    • 1
  • Zhihua Nie
    • 1
  • Guojie Huang
    • 2
  • Yanfeng Li
    • 2
  • Haofeng Xie
    • 2
  • Dongmei Liu
    • 2
  1. 1.School of Materials Science and EngineeringBeijing Institute of TechnologyBeijingChina
  2. 2.State Key Laboratory for Fabrication and Processing of Nonferrous MetalsGeneral Research Institute for Nonferrous MetalsBeijingChina

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