摘要
电化学电容器电极材料中,金属(如Ru、Mn、Ni、Co和V)氧化物电极材料可进行快速法拉第反应,具有较高比能量,但其电化学可逆性差,功率性能差;碳纳米管(CNT)电导率高且表面利用率高,具有较高的比功率,但由于依靠双电层储能,比能量难以提高。将金属氧化物与碳纳米管复合制备复合电极,可综合利用二者的优点,同时获得较高的比能量和比功率,综述了金属氧化物/碳纳米管复合电极的研究现状及进展。
For electrode materials of electrochemical capacitors, metal oxides （such as oxides of Ru, Mn, Ni, Co, and V） have high specific energy because of the fast faradaic reactions, while the electrochemical reversibility of metal oxides is poor and their specific power density is low. Carbon nanotubes obtain high specific power because of their excellent conductivity and high surface utilization, while the specific energy densities of carbon nanotubes is low because their energy storage arises mainly from double layer capacitance. Advantages of metal oxides and carbon nanotubes are integrated in composite electrodes fabricated by both of them. The capacitors assembled by metal oxide/carbon nanotube composite electrodes obtain high specific energy and high specific power. In this paper, the research progress of metal oxide/carbon nanotube composite electrodes was reviewed.
出处
《电源技术》
CAS
CSCD
北大核心
2013年第5期893-895,共3页
Chinese Journal of Power Sources
关键词
金属氧化物
碳纳米管
复合电极
电化学电容器
metal oxide
carbon nanotubes
composite electrodes
electrochemical capacitors
