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论文类型 : 期刊论文
发表时间 : 2017-07-23
发表刊物 : Materials Letters
收录刊物 :
SCI
所属单位 : 吉林大学化学学院
学科门类 : 理学
项目来源 : 吉林省科学技术厅国际合作与交流项目20170414025GH
文献类型 : J
卷号 : 200
页面范围 : 35-38
字数 : 200
关键字 : Carbon materials, Composite materials, Surfaces, Particles, Energy storage and conversion
摘要 : Three-dimensional spherical carbon / nickel foam composites have been prepared by using high temperature and high pressure hydrothermal methods and their energy storage as a non-adhesive supercapacitor electrode has been explored. The obtained electrodes exhibit an excellent capacitive behavior in KOH solutions, that is, low contact resistance, high specific capacitance (296 F•g-1), and good rate performance (82.7% retention at 10 A•g-1). Furthermore, the electrode exhibited a large energy density (41.1 Wh•kg-1 at a power density of 500 W•kg-1) and superior cycle stability (only 2% loss after
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