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Conductive polymer and silicon composite secondary particles for a high area-loading negative electrode

  • Author(s): Xun, S
  • Xiang, B
  • Minor, A
  • Battaglia, V
  • Liu, G
  • et al.
Abstract

A conductive polymer and silicon nanoparticles were used to form elastic and porous micron-sized composite secondary particles using spray precipitation method. These composite secondary particles are used to fabricate a lithium-ion anode electrode. Although the Si volume changes during charge and discharge process, the composite secondary particles retain their size during these processes, to maintain a stable electrode microstructure. This dimension stability leads to improved electrode cycling stability and enhanced rate performance. © 2013 The Electrochemical Society. All rights reserved.

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