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Ultrathin Cerium Orthovanadate Nanobelts for High‐Performance Flexible All‐Solid‐State Asymmetric Supercapacitors
Author(s) -
He Junzhi,
Zhao Junhong,
Run Zhen,
Sun Mengjun,
Pang Huan
Publication year - 2015
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201403085
Subject(s) - materials science , supercapacitor , hydrothermal circulation , nanotechnology , solid state , chemical engineering , diffusion , graphene , optoelectronics , capacitance , electrode , chemistry , physics , engineering , thermodynamics
Ultrathin CeVO 4 nanobelts were successfully synthesized by a hydrothermal method. The thickness of a single nanobelt is about 2.4 nm, which can effectively shorten the ion diffusion and fasten the charge pathway. More importantly, ultrathin CeVO 4 nanobelts and graphene are easily assembled as a flexible all‐solid‐state asymmetric device, which shows a highly flexible property and achieves a maximum energy density of 0.78 mW h cm −3 and a high life cycle of >6000 cycles.
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