Fabrication of self-supported Ni(OH)2@nickel nanowire coreshell arrays with enhanced electrochemical performance for supercapacitor applications

被引：8
作者：
Ge, Wei [1 ,2 ]
Encinas, Armando [1 ]
Ruiz, Maria Fernanda [1 ]
Song, Shaoxian [2 ]
机构：
[1] Inst Potosino Invest Cient & Tecnol AC, Div Mat Avanzados, Camino La Presa San Jose 2055,Lomas 4 Secc, San Luis Potosi 78216, Slp, Mexico
[2] Wuhan Univ Technol, Hubei Key Lab Mineral Resources Proc & Environm, Luo Shi Rd 122, Wuhan 430070, Hubei, Peoples R China
来源：
SCRIPTA MATERIALIA | 2020年 / 186卷
基金：
中国国家自然科学基金;
关键词：
Self-supported nickel nanowire array; Nickel hydroxide; Core-shell structure; Template-directed electrodeposition; Supercapacitor; LAYERED DOUBLE HYDROXIDE; NICKEL-HYDROXIDE; NANOPOROUS NICKEL; GRAPHENE OXIDE; ELECTRODES; HYBRID; ENERGY; CAPACITANCE; NANOSHEETS; FOAM;
D O I：
10.1016/j.scriptamat.2020.03.055
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A self-supported nickel nanowire array coated with Ni(OH)(2) (Ni(OH)(2)@SNWA) with enhanced electrochemical performance was successfully fabricated by template-directed electrodeposition and oxidation treatment. Porous polycarbonate membrane was used as the template for the preparation of self-supported nickel nanowire array with a small wire diameter and high wire density. The Ni(OH)(2) on the surface formed through oxidation treatment is in close contact with the inside nickel wire. Due to its self-supported and integrated core-shell structure, the Ni(OH)(2)@SNWA has excellent ionic and electrical conductivities, and shows enhanced electrochemical performance at high current densities. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：79 / 83
页数：5
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