TY - JOUR
T1 - Electrodeposition preparation of NiCo2O4 mesoporous film on ultrafine nickel wire for flexible asymmetric supercapacitors
AU - Wang, Ni
AU - Sun, Baolong
AU - Zhao, Peng
AU - Yao, Mengqi
AU - Hu, Wencheng
AU - Komarneni, Sridhar
N1 - Funding Information:
This study was financially supported by the Laboratory of Precision Manufacturing Technology, CAEP (Grant No. KF15003 ).
Funding Information:
This study was financially supported by the Laboratory of Precision Manufacturing Technology, CAEP (Grant No. KF15003).
Publisher Copyright:
© 2018 Elsevier B.V.
PY - 2018/8/1
Y1 - 2018/8/1
N2 - Mesoporous NiCo2O4 was directly coated on an ultrafine nickel wire to fabricate a battery-type electrode through a facile process comprising electrodeposition of Ni/Co/Zn alloy, dealloying, and oxidation. The binder-free electrode with flexible features delivers a high specific capacity of 315.4 C g−1 and excellent cycling performance (retention after 50,000 cycles). An assembled asymmetric supercapacitor containing NiCo2O4/ultrafine nickel wire with Fe3O4/ultrafine nickel wire shows high energy density of 32.6 Wh kg−1, high power density of 35,000 W kg−1, and 94.8% retention of initial capacity after 20,000 cycles. This work proposes a simple design and facile process for fabrication of practical flexible energy storage devices.
AB - Mesoporous NiCo2O4 was directly coated on an ultrafine nickel wire to fabricate a battery-type electrode through a facile process comprising electrodeposition of Ni/Co/Zn alloy, dealloying, and oxidation. The binder-free electrode with flexible features delivers a high specific capacity of 315.4 C g−1 and excellent cycling performance (retention after 50,000 cycles). An assembled asymmetric supercapacitor containing NiCo2O4/ultrafine nickel wire with Fe3O4/ultrafine nickel wire shows high energy density of 32.6 Wh kg−1, high power density of 35,000 W kg−1, and 94.8% retention of initial capacity after 20,000 cycles. This work proposes a simple design and facile process for fabrication of practical flexible energy storage devices.
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U2 - 10.1016/j.cej.2018.03.147
DO - 10.1016/j.cej.2018.03.147
M3 - Article
AN - SCOPUS:85044601952
SN - 1385-8947
VL - 345
SP - 31
EP - 38
JO - Chemical Engineering Journal
JF - Chemical Engineering Journal
ER -