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A V 2 O 5 /Conductive‐Polymer Core/Shell Nanobelt Array on Three‐Dimensional Graphite Foam: A High‐Rate, Ultrastable, and Freestanding Cathode for Lithium‐Ion Batteries
Author(s) -
Chao Dongliang,
Xia Xinhui,
Liu Jilei,
Fan Zhanxi,
Ng Chin Fan,
Lin Jianyi,
Zhang Hua,
Shen Ze Xiang,
Fan Hong Jin
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201400719
Subject(s) - materials science , cathode , graphite , lithium (medication) , pedot:pss , nanotechnology , polymer , coating , electrical conductor , conductive polymer , battery (electricity) , core (optical fiber) , electrical engineering , composite material , power (physics) , quantum mechanics , endocrinology , engineering , medicine , physics
A thin polymer shell helps V 2 O 5 a lot. Short V 2 O 5 nanobelts are grown directly on 3D graphite foam as a lithium‐ion battery (LIB) cathode material. A further coating of a poly(3,4‐ethylenedioxythiophene) (PEDOT) thin shell is the key to the high performance. An excellent high‐rate capability and ultrastable cycling up to 1000 cycles are demonstrated.