Communication

In-Plane Vacancy-Enabled High-Power Si–Graphene Composite Electrode for Lithium-Ion Batteries

  1. Xin Zhao,
  2. Cary M. Hayner,
  3. Mayfair C. Kung,
  4. Harold H. Kung*

Article first published online: 6 OCT 2011

DOI: 10.1002/aenm.201100426

Issue

Advanced Energy Materials

Advanced Energy Materials

Volume 1, Issue 6, pages 1079–1084, November, 2011

Additional Information

How to Cite

Zhao, X., Hayner, C. M., Kung, M. C. and Kung, H. H. (2011), In-Plane Vacancy-Enabled High-Power Si–Graphene Composite Electrode for Lithium-Ion Batteries. Adv. Energy Mater., 1: 1079–1084. doi: 10.1002/aenm.201100426

Author Information

  1. Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois, 60208, USA

*Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois, 60208, USA.

Publication History

  1. Issue published online: 15 NOV 2011
  2. Article first published online: 6 OCT 2011
  3. Manuscript Revised: 23 AUG 2011
  4. Manuscript Received: 28 JUL 2011

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Keywords:

  • energy storage;
  • graphene;
  • graphenic scaffold;
  • Li-ion batteries;
  • silicon
Thumbnail image of graphical abstract

Introducing a high density of in-plane, nanometer-sized carbon vacancies in graphene sheets greatly enhances ion diffusion across the sheets in a Si–graphene composite. The flexible, self-supporting three-dimensional conducting graphenic scaffold incorporating Si nanoparticles exhibit excellent rate performance and tolerance to structural deformation, which represents an attractive high power-high capacity anode material for Li-ion batteries.

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