Fabrication of Graphene Embedded LiFePO4 Using a Catalyst Assisted Self Assembly Method as a Cathode Material for High Power Lithium-Ion Batteries

被引：66

作者：

Kim, WonKeun ^{[1
]}

Ryu, WonHee ^{[1
]}

Han, DongWook ^{[1
]}

Lim, SungJin ^{[1
]}

Eom, JiYong ^{[2
]}

Kwon, HyukSang ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea

[2] Korea Automot Technol Inst, Automot Mat Convergence & Syst R&D Div, Clean & Energy Mat R&D Ctr, Cheonan Si 330912, Chungnam, South Korea

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 07期

关键词：

LiFePO4; graphene; catalyst assisted self assembly; cathode; lithium-ion battery; NANOSTRUCTURED LIFEPO4; PERFORMANCE; NANOMATERIALS; CAPACITY; STORAGE;

D O I：

10.1021/am405335k

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：4731 / 4736

页数：6

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