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Title: Hard carbon composite for alkali metal-ion batteries

Abstract

A method is provided for fabricating a graphene-doped, carbohydrate-derived hard carbon (G-HC) composite material for alkali metal-ion batteries. The method provides graphene oxide (GO) dispersed in an aqueous solution. A carbohydrate is dissolved into the aqueous solution and subsequently the water is removed to create a precipitate. In one aspect, the carbohydrate is sucrose. The precipitate is dehydrated and exposed to a thermal treatment of less than 1200 degrees C. to carbonize the carbohydrate. The result is the formation of a graphene-doped, carbohydrate-derived hard carbon (G-HC) composite. Typically, the G-HC composite is made up of graphene in the range of 0.1 and 20% by weight (wt %), and HC in the range of 80 to 99.9 wt %. The G-HC composite has a specific surface area of less than 10 square meters per gram (m2/g). A G-HC composite suitable for use in alkali metal-ion batteries electrodes is also provided.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Oregon State Univ., Corvallis, OR (United States); Sharp Laboratories of America, Inc., Camas, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1532009
Patent Number(s):
9735444
Application Number:
14/731,667
Assignee:
Oregon State University (Corvallis, OR); Sharp Laboratories of America, Inc. (Camas, WA)
Patent Classifications (CPCs):
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
DOE Contract Number:  
AR0000297
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015-06-05
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 25 ENERGY STORAGE

Citation Formats

Ji, Xiulei, Luo, Wei, Bommier, Clement, Lu, Yuhao, Vail, Sean, and Lee, Jong-Jan. Hard carbon composite for alkali metal-ion batteries. United States: N. p., 2017. Web.
Ji, Xiulei, Luo, Wei, Bommier, Clement, Lu, Yuhao, Vail, Sean, & Lee, Jong-Jan. Hard carbon composite for alkali metal-ion batteries. United States.
Ji, Xiulei, Luo, Wei, Bommier, Clement, Lu, Yuhao, Vail, Sean, and Lee, Jong-Jan. Tue . "Hard carbon composite for alkali metal-ion batteries". United States. https://www.osti.gov/servlets/purl/1532009.
@article{osti_1532009,
title = {Hard carbon composite for alkali metal-ion batteries},
author = {Ji, Xiulei and Luo, Wei and Bommier, Clement and Lu, Yuhao and Vail, Sean and Lee, Jong-Jan},
abstractNote = {A method is provided for fabricating a graphene-doped, carbohydrate-derived hard carbon (G-HC) composite material for alkali metal-ion batteries. The method provides graphene oxide (GO) dispersed in an aqueous solution. A carbohydrate is dissolved into the aqueous solution and subsequently the water is removed to create a precipitate. In one aspect, the carbohydrate is sucrose. The precipitate is dehydrated and exposed to a thermal treatment of less than 1200 degrees C. to carbonize the carbohydrate. The result is the formation of a graphene-doped, carbohydrate-derived hard carbon (G-HC) composite. Typically, the G-HC composite is made up of graphene in the range of 0.1 and 20% by weight (wt %), and HC in the range of 80 to 99.9 wt %. The G-HC composite has a specific surface area of less than 10 square meters per gram (m2/g). A G-HC composite suitable for use in alkali metal-ion batteries electrodes is also provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2017},
month = {8}
}

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