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General Solution Growth of Mesoporous NiCo 2 O 4 Nanosheets on Various Conductive Substrates as High‐Performance Electrodes for Supercapacitors
Author(s) -
Zhang Genqiang,
Lou Xiong Wen David
Publication year - 2013
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.201204128
Subject(s) - materials science , supercapacitor , mesoporous material , electrode , electrical conductor , foil method , annealing (glass) , graphite , nanotechnology , capacitance , chemical engineering , composite material , catalysis , chemistry , engineering , biochemistry
Mesoporous NiCo 2 O 4 nanosheets can be directly grown on various conductive substrates, such as Ni foam, Ti foil, stainless‐steel foil and flexible graphite paper , through a general template‐free solution method combined with a simple post annealing treatment. As a highly integrated binder‐ and conductive‐agent‐free electrode for supercapacitors, the mesoporous NiCo 2 O 4 nanosheets supported on Ni foam deliver ultrahigh capacitance and excellent high‐rate cycling stability.