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Title: Graphene-sulfur nanocomposites for rechargeable lithium-sulfur battery electrodes

Rechargeable lithium-sulfur batteries having a cathode that includes a graphene-sulfur nanocomposite can exhibit improved characteristics. The graphene-sulfur nanocomposite can be characterized by graphene sheets with particles of sulfur adsorbed to the graphene sheets. The sulfur particles have an average diameter less than 50 nm..
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
1134454
Assignee:
Battelle Memorial Institute (Richland, WA) RLO
Patent Number(s):
8,753,772
Application Number:
13/023,241
Contract Number:
AC05-76RL01830
Resource Relation:
Patent File Date: 2011 Feb 08
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Other works cited in this record:

Lithium metal-sulfur and lithium ion-sulfur secondary batteries containing a nano-structured cathode and processes for producing same
patent-application, July 2011

A highly ordered nanostructured carbon–sulphur cathode for lithium–sulphur batteries
journal, May 2009
  • Ji, Xiulei; Lee, Kyu Tae; Nazar, Linda F.
  • Nature Materials, Vol. 8, Issue 6, p. 500-506
  • DOI: 10.1038/nmat2460

Improvement of cycle property of sulfur-coated multi-walled carbon nanotubes composite cathode for lithium/sulfur batteries
journal, April 2009

Novel nanosized adsorbing sulfur composite cathode materials for the advanced secondary lithium batteries
journal, January 2006

Ternary Self-Assembly of Ordered Metal Oxide−Graphene Nanocomposites for Electrochemical Energy Storage
journal, March 2010
  • Wang, Donghai; Kou, Rong; Choi, Daiwon
  • ACS Nano, Vol. 4, Issue 3, p. 1587-1595
  • DOI: 10.1021/nn901819n

Self-Assembled TiO 2 –Graphene Hybrid Nanostructures for Enhanced Li-Ion Insertion
journal, March 2009
  • Wang, Donghai; Choi, Daiwon; Li, Juan
  • ACS Nano, Vol. 3, Issue 4, p. 907-914
  • DOI: 10.1021/nn900150y

Preparation of nano-structured LiFePO4/graphene composites by co-precipitation method
journal, January 2010

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