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Title: Lithium ion batteries with titania/graphene anodes

Abstract

Lithium ion batteries having an anode comprising at least one graphene layer in electrical communication with titania to form a nanocomposite material, a cathode comprising a lithium olivine structure, and an electrolyte. The graphene layer has a carbon to oxygen ratio of between 15 to 1 and 500 to 1 and a surface area of between 400 and 2630 m.sup.2/g. The nanocomposite material has a specific capacity at least twice that of a titania material without graphene material at a charge/discharge rate greater than about 10 C. The olivine structure of the cathode of the lithium ion battery of the present invention is LiMPO.sub.4 where M is selected from the group consisting of Fe, Mn, Co, Ni and combinations thereof.

Inventors:
; ; ; ; ; ; ; ; ;
Issue Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1083927
Patent Number(s):
8450014
Application Number:
12/901,526
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
DOE Contract Number:  
AC06-76RL01830
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Liu, Jun, Choi, Daiwon, Yang, Zhenguo, Wang, Donghai, Graff, Gordon L, Nie, Zimin, Viswanathan, Vilayanur V, Zhang, Jason, Xu, Wu, and Kim, Jin Yong. Lithium ion batteries with titania/graphene anodes. United States: N. p., 2013. Web.
Liu, Jun, Choi, Daiwon, Yang, Zhenguo, Wang, Donghai, Graff, Gordon L, Nie, Zimin, Viswanathan, Vilayanur V, Zhang, Jason, Xu, Wu, & Kim, Jin Yong. Lithium ion batteries with titania/graphene anodes. United States.
Liu, Jun, Choi, Daiwon, Yang, Zhenguo, Wang, Donghai, Graff, Gordon L, Nie, Zimin, Viswanathan, Vilayanur V, Zhang, Jason, Xu, Wu, and Kim, Jin Yong. Tue . "Lithium ion batteries with titania/graphene anodes". United States. https://www.osti.gov/servlets/purl/1083927.
@article{osti_1083927,
title = {Lithium ion batteries with titania/graphene anodes},
author = {Liu, Jun and Choi, Daiwon and Yang, Zhenguo and Wang, Donghai and Graff, Gordon L and Nie, Zimin and Viswanathan, Vilayanur V and Zhang, Jason and Xu, Wu and Kim, Jin Yong},
abstractNote = {Lithium ion batteries having an anode comprising at least one graphene layer in electrical communication with titania to form a nanocomposite material, a cathode comprising a lithium olivine structure, and an electrolyte. The graphene layer has a carbon to oxygen ratio of between 15 to 1 and 500 to 1 and a surface area of between 400 and 2630 m.sup.2/g. The nanocomposite material has a specific capacity at least twice that of a titania material without graphene material at a charge/discharge rate greater than about 10 C. The olivine structure of the cathode of the lithium ion battery of the present invention is LiMPO.sub.4 where M is selected from the group consisting of Fe, Mn, Co, Ni and combinations thereof.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {5}
}

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