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A Hierarchical Porous C@LiFePO 4 /Carbon Nanotubes Microsphere Composite for High‐Rate Lithium‐Ion Batteries: Combined Experimental and Theoretical Study
Author(s) -
Wang Bo,
Liu Tiefeng,
Liu Anmin,
Liu Guijing,
Wang Lei,
Gao Tiantian,
Wang Dianlong,
Zhao Xiu Song
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201600426
Subject(s) - materials science , carbon nanotube , composite number , lithium (medication) , chemical engineering , carbon fibers , amorphous carbon , porosity , ion , electrical conductor , microsphere , amorphous solid , nanotechnology , composite material , organic chemistry , medicine , chemistry , endocrinology , engineering
A C@LiFePO 4 /carbon nanotubes microsphere composite (C@LFP/CNTs) with a unique double carbon (amorphous carbon and graphitized conductive carbon) modified hierarchical porous structure for providing favorable kinetics for both electron and Li + is reported. By combining large tap density and improved mixed (electronic and ionic) conductivity, high volumetric energy density and superior rate capacity as well as excellent cycling stability are simultaneously achieved.