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Title: Solid state electrolyte composites based on complex hydrides and metal doped fullerenes/fulleranes for batteries and electrochemical applications

Patent ·
OSTI ID:1438425
; ; ;

A LiBH4--C60 nanocomposite that displays fast lithium ionic conduction in the solid state is provided. The material is a homogenous nanocomposite that contains both LiBH4 and a hydrogenated fullerene species. In the presence of C60, the lithium ion mobility of LiBH4 is significantly enhanced in the as prepared state when compared to pure LiBH4. After the material is annealed the lithium ion mobility is further enhanced. Constant current cycling demonstrated that the material is stable in the presence of metallic lithium electrodes. The material can serve as a solid state electrolyte in a solid-state lithium ion battery.

Research Organization:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC09-08SR22470
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC)
Patent Number(s):
9,959,949
Application Number:
14/295,987
OSTI ID:
1438425
Resource Relation:
Patent File Date: 2014 Jun 04
Country of Publication:
United States
Language:
English

References (13)

Electrochemical fullerene system patent November 1995
Hydrogenated fullerenes as an additive to carbon anode for rechargeable lithium-ion batteries patent November 2000
Proton conductor, production method thereof, and electrochemical device using the same patent December 2002
Fullerene-based electrolyte for fuel cells patent September 2005
Hydrogen storage material and process using graphite additive with metal-doped complex hydrides patent June 2008
Hydrogen storage matter and manufacturing method and apparatus for the same patent May 2009
Non-aqueous air battery and catalyst therefor patent February 2011
Chemically modified fullerene, production method for the same, and proton conducting membrane including the same patent January 2012
Rechargeable Fuel Cell System patent-application June 2008
Electrolyte and Battery patent-application December 2010
Catalytic effect of fullerene and formation of nanocomposites with complex hydrides: NaAlH4 and LiAlH4 journal September 2011
Novel catalytic effects of fullerene for LiBH4 hydrogen uptake and release journal April 2009
NMR Study of LiBH4 with C60 journal November 2010

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