发明名称 |
Lithium ion batteries with titania/graphene anodes |
摘要 |
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 m2/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 LiMPO4 where M is selected from the group consisting of Fe, Mn, Co, Ni and combinations thereof.
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申请公布号 |
US8450014(B2) |
申请公布日期 |
2013.05.28 |
申请号 |
US20100901526 |
申请日期 |
2010.10.09 |
申请人 |
LIU JUN;CHOI DAIWON;YANG ZHENGUO;WANG DONGHAI;GRAFF GORDON L;NIE ZIMIN;VISWANATHAN VILAYANUR V;ZHANG JASON;XU WU;KIM JIN YONG;BATTELLE MEMORIAL INSTITUTE |
发明人 |
LIU JUN;CHOI DAIWON;YANG ZHENGUO;WANG DONGHAI;GRAFF GORDON L;NIE ZIMIN;VISWANATHAN VILAYANUR V;ZHANG JASON;XU WU;KIM JIN YONG |
分类号 |
H01M4/13;B23P17/04;C01B31/00;C01B31/04;H01G4/28;H01M4/02;H01M4/58;H01M6/00;H01M10/00;H01S4/00 |
主分类号 |
H01M4/13 |
代理机构 |
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代理人 |
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地址 |
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