NiCo2S4/CO3S4 heterogeneous double-shelled nanocages for high-performance electrochemical energy storage

被引：13

作者：

Ye, L. W. ^{[1
]}

Yuan, Y. F. ^{[1
]}

Wang, L. N. ^{[2
]}

Zhu, M. ^{[1
]}

Yin, S. M. ^{[1
]}

Chen, Y. B. ^{[1
]}

Guo, S. Y. ^{[1
]}

机构：

[1] Zhejiang Sci Tech Univ, Coll Machinery & Automat, Hangzhou 310018, Zhejiang, Peoples R China

[2] Zhejiang Sci Tech Univ, Coll Mat & Text, Key Lab Adv Text Mat & Mfg Technol, Minist Educ, Hangzhou 310018, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 229卷

基金：

中国国家自然科学基金;

关键词：

NiCo2S4/CO3S4; Nanocages; Microstructure; Energy storage and conversion; HYBRID SUPERCAPACITORS; ASYMMETRIC SUPERCAPACITORS; ELECTRODE MATERIALS; NANOSHEET ARRAYS; NI FOAM; CONSTRUCTION; CHANNELS;

D O I：

10.1016/j.matlet.2018.07.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Zeolitic imidazolate framework-67 (ZIF-67)-derived yolk-shelled ZIF-67/Ni-Co layered double hydroxides were further vulcanized, forming heterogeneous double-shelled cage-in-cage NiCo2S4/CO3S4. As-synthesized double-shelled nanocages were characterized by XRD, SEM and TEM. As active materials for water-based electrochemical energy storage devices, NiCo2S4/CO3S4 showed relatively high discharge capacity and cycling stability, large current adaptability and reversibility. These could be due to the cage-in-cage hollow nanostructure and high electrochemical activity of transition metal sulfide. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：152 / 155

页数：4

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