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Title: Electrode material comprising graphene-composite materials in a graphite network

A durable electrode material suitable for use in Li ion batteries is provided. The material is comprised of a continuous network of graphite regions integrated with, and in good electrical contact with a composite comprising graphene sheets and an electrically active material, such as silicon, wherein the electrically active material is dispersed between, and supported by, the graphene sheets.
Inventors:
;
Issue Date:
OSTI Identifier:
1144740
Assignee:
Northwestern University (Evanston, IL) CHO
Patent Number(s):
8,778,538
Application Number:
12/940,241
Contract Number:
FG02-01ER15184
Research Org:
Northwestern University, Evanston, IL (USA)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Other works cited in this record:

Cathode active material and non-aqueous electrolyte cell
patent-application, January 2003

Hybrid anode compositions for lithium ion batteries
patent-application, May 2009

Nano graphene platelet-based composite anode compositions for lithium ion batteries
patent-application, May 2009

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journal, November 2001
  • Tarascon, J.-M.; Armand, M.
  • Nature, Vol. 414, Issue 6861, p. 359-367
  • DOI: 10.1038/35104644

Building better batteries
journal, February 2008
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  • Nature, Vol. 451, Issue 7179, p. 652-657
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Fabrication of Graphene-Encapsulated Oxide Nanoparticles: Towards High-Performance Anode Materials for Lithium Storage
journal, September 2010
  • Yang, Shubin; Feng, Xinliang; Ivanovici, Sorin
  • Angewandte Chemie International Edition, Vol. 49, Issue 45, p. 8408-8411
  • DOI: 10.1002/anie.201003485

Graphene Anchored with Co3O4 Nanoparticles as Anode of Lithium Ion Batteries with Enhanced Reversible Capacity and Cyclic Performance
journal, June 2010
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  • DOI: 10.1021/nn100740x

Silicon nanoparticles–graphene paper composites for Li ion battery anodes
journal, February 2010
  • Lee, Jeong K.; Smith, Kurt B.; Hayner, Cary M.
  • Chemical Communications, Vol. 46, Issue 12, p. 2025-2027
  • DOI: 10.1039/B919738A

Determination of the Local Chemical Structure of Graphene Oxide and Reduced Graphene Oxide
journal, August 2010
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  • Advanced Materials, Vol. 22, Issue 40, p. 4467-4472
  • DOI: 10.1002/adma.201000732

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