泡沫镍表面原位生长纳米花锌钴氢氧化物电极材料及电化学性能研究

doi:10.11962/1006-4990.2020-0336

Abstract

Abstract:

Layered double hydroxide（LDH） has widely attracted attention due to its rich active sites and the synergistic ef-fects of bimetallic.However,the preparation of novel LDH electrode materials with high rate performance and low resistance is still a challenge.Three-dimensional nano-flowered zinc-cobalt layered hydroxides（ZnCo LDHs） electrode material grown in situ on nickel foam（NF） current collectors were prepared by co-precipitation method.ZnCo LDHs@NF had large accessible surface area and extremely low inherent resistance（0.56 Ω）.At the same time,the electrode material had high specific capa-city（1 583 F/g at current density of 1 A/g） and could still maintain specific capacity of 81%（1 280 F/g） at current density of 20 A/g.These excellent electrochemical properties indicate that the prepared ZnCo LDHs@NF electrode material has great application prospects in energy storage devices.

Key words: layered double hydroxide, layered zinc-cobalt hydroxide, supercapacitor, electrochemical property

CLC Number:

TQ132.41

Zhang Hao,Wang Liyan,Li Yingqi,Xiao Shanshan,Bi Fei,Zhao Li. Nano-flowered ZnCo LDHs electrode material grown in situ on nickel foam and its electrochemical properties[J]. Inorganic Chemicals Industry, 2021, 53(5): 61-65.

Figures/Tables 6

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References 22

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Nano-flowered ZnCo LDHs electrode material grown in situ on nickel foam and its electrochemical properties

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