Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 7, Pages 4731-4736Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am405335k
Keywords
LiFePO4; graphene; catalyst assisted self assembly; cathode; lithium-ion battery
Funding
- Center for Inorganic Photovoltaic Materials - funded by the Korea government (MSIP) [2012-0001167]
- National Research Foundation of Korea [2012-0001167] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We have designed a unique microstructure of graphene embedded LiFePO4 by a catalyst assisted self assembly method as a cathode material for high power lithium-ion batteries. The stable amide bonds between LiFePO4 and graphene were formed by the catalyst assisted self assembly. High conductive graphene provides a fast electron transfer path, and many pores inside the structure facilitate the lithium-ion diffusion. The graphene embedded LiFePO4 fabricated by the novel method shows enhanced cycling performance and rate-capability compared with that of carbon coated LiFePO4 as a cathode material for high power lithium-ion batteries.
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