Superior Supercapacitor Properties of Composite Powders with Amorphous NiO Nanoclusters Distributed Uniformly in an Amorphous Carbon Matrix

被引：9

作者：

Choi, Seung Ho ^{[1
]}

Kang, Yun Chan ^{[1
]}

Choi, Yun Ju ^{[2
]}

Kim, Yang Soo ^{[2
]}

机构：

[1] Konkuk Univ, Dept Chem Engn, Seoul 143701, South Korea

[2] Korea Basic Sci Inst, Suncheon Ctr, Sunchon 540742, South Korea

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2014年 / 9卷 / 09期

关键词：

amorphous materials; carbon composite; nickel oxide; spray drying; supercapacitors; ELECTRODE MATERIALS; NANOWIRE ARRAYS; ENERGY; GRAPHENE; NANOPARTICLES; CAPACITANCE; NANOSHEETS; DESIGN;

D O I：

10.1002/asia.201402218

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Amorphous nickel oxide-carbon composite powders have been prepared using a facile spray-drying process. The nickel nitrate-citrate hydrate precursor powders were transformed into an amorphous NiO-carbon composite powder through a post-treatment at 250 degrees C for 1 h. The excellent supercapacitor performance of the amorphous NiOcarbon composite powder can be ascribed to the unique electrochemical behavior of the ultrafine amorphous NiO nanoclusters.

引用

页码：2453 / 2457

页数：5

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