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Title: Composite anode for lithium ion batteries

A composite anode for a lithium-ion battery is manufactured from silicon nanoparticles having diameters mostly under 10 nm; providing an oxide layer on the silicon nanoparticles; dispersing the silicon nanoparticles in a polar liquid; providing a graphene oxide suspension; mixing the polar liquid containing the dispersed silicone nanoparticles with the graphene oxide suspension to obtain a composite mixture; probe-sonicating the mixture for a predetermined time; filtering the composite mixture to obtain a solid composite; drying the composite; and reducing the composite to obtain graphene and silicon.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1424398
Assignee:
Wayne State University (Detroit, MI) NETL
Patent Number(s):
9,911,974
Application Number:
14/350,858
Contract Number:
EE0002106
Resource Relation:
Patent File Date: 2012 Oct 12
Research Org:
Wayne State Univ., Detroit, MI (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English

Other works cited in this record:

Production Of Mechanically Exfoliated Graphene And Nanoparticle Composites Comprising Same
patent-application, November 2011

Graphene and Graphene Oxide: Synthesis, Properties, and Applications
journal, June 2010
  • Zhu, Yanwu; Murali, Shanthi; Cai, Weiwei
  • Advanced Materials, Vol. 22, Issue 35, p. 3906-3924
  • DOI: 10.1002/adma.201001068

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

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