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一步水热法制备氢氧化镍¯石墨烯复合材料及其电化学性能

袁博 郑晓雨 张辰 吕伟 李宝华 杨全红

新型炭材料Issue(6):426-431,6.
新型炭材料Issue(6):426-431,6.DOI:10.1016/S1872-5805(14)60147-5

一步水热法制备氢氧化镍¯石墨烯复合材料及其电化学性能

Assembly of Ni(OH) 2_graphene hybrids with a high electrochemical performance by a one_pot hydrothermal method

袁博 1郑晓雨 1张辰 1吕伟 2李宝华 2杨全红1

作者信息

  • 1. 天津大学 化工学院,天津 300072
  • 2. 清华大学深圳研究生院 炭功能材料工程实验室,广东 深圳 518055
  • 折叠

摘要

Abstract

A Ni(OH)2¯graphenehybrid with a three dimensional (3D) interconnected graphene network was prepared by a simple one¯pot hydrothermal method. The 3D structure constructed of flexible and planar graphene sheets (GS) forms an effective electron transfer network and provides a continuous pore structure for ion transport. Moreover, this structure avoids the aggregation of GS and Ni( OH) 2 , resulting in a high utilization rate of Ni( OH) 2 at high contents. This study shows the hybrid has a high rate capabili¯ ty and cyclic stability and exhibits a high specific capacitance of ~1 461 F·g-1 at a scan rate of 5 mV·s-1 with a Ni(OH)2 mass loading of ~84 mass%.

关键词

超级电容器/氢氧化镍/石墨烯/三维网络结构

Key words

Supercapacitor/Ni(OH)2/Graphene sheets/3D network

分类

通用工业技术

引用本文复制引用

袁博,郑晓雨,张辰,吕伟,李宝华,杨全红..一步水热法制备氢氧化镍¯石墨烯复合材料及其电化学性能[J].新型炭材料,2014,(6):426-431,6.

基金项目

国家重点基础研究发展计划(2014CB932403) (2014CB932403)

国家自然科学基金(51302146) (51302146)

NSAF (U1330123) (U1330123)

深圳市科技计划项目( JCYJ20130402145002430) ( JCYJ20130402145002430)

博士后科学基金(2012M520012,2013T60111) (2012M520012,2013T60111)

广东省创新研发团队计划(2009010025) (2009010025)

深圳市战略新兴产业发展专项资金(重点实验室)项目(ZDSYS20140509172959981).@@@@National Basic Research Program of China (2014CB932403) (重点实验室)

National Science Foundation of China (51302146) (51302146)

NSAF (U1330123) (U1330123)

Shenzhen Basic Research Project (JCYJ20130402145002430) (JCYJ20130402145002430)

China Postˉ doctoral Science Foundation (2012M520012,2013T60111) (2012M520012,2013T60111)

Guangdong Province Innovation R&D Team Plan (2009010025) (2009010025)

ZDSYS(20140509172959981) (20140509172959981)

新型炭材料

OA北大核心CSCDCSTPCDSCI

1007-8827

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