摘要
在能源问题日趋严峻的背景下,具有快速充放电、稳定循环性等优点的超级电容器作为一种高效的储能装置,成为目前的研究热潮。为进一步提高超级电容器的能量密度,人们开始探索新型电极材料。过渡金属氮化物具有良好的导电性、化学稳定性,被认为是最具潜力的候选材料。综述了过渡金属氮化物的基本结构和性质,介绍了不同种类的氮化物在超级电容器中的储能机制和应用范围,重点阐述了研究较多的氮化钒和氮化钛。根据材料的结构与性能之间的关系,得出利用构建复合体系或调控材料形貌等方法对改进材料电化学性能具有重要意义的结论,肯定了过渡金属氮化物在能量转化和存储领域表现出的优异性能。最后,对过渡金属氮化物作为超级电容器电极材料进行了展望,指出了现阶段所面临的机遇与挑战。
Under the background of increasingly severe energy shortage,supercapacitors,which have the advantages of fast charge and discharge and stable cycle performance,as a kind of efficient energy storage device,have once become a research craze.In order to further improve the energy density of supercapacitors,new electrode materials have been explored.Transition metal nitrides are considered as the most promising candidate materials due to their excellent electrical conductivity and chemical stability.In this paper,the basic structure and properties of transition metal nitrides were reviewed,the energy storage mechanism and application range of different kinds of transition metal nitrides in supercapacitors were introduced,focusing on more popular vanadium nitride and titanium nitride.According to the relationship between the structure and properties of materials,it was concluded that it was of great significance to improve the electrochemical properties of materials by constructing composite systems or adjusting the morphology of materials,which confirmed the excellent performance of transition metal nitride in the field of energy conversion and storage.Finally,the research of transition metal nitride as electrode material for supercapacitor was prospected.It also pointed out the opportunities and challenges at present.
作者
何秋洁
马雪婧
张先丽
周霞
张伟彬
He Qiujie;Ma Xuejing;Zhang Xianli;Zhou Xia;Zhang Weibin(College of Materials and Chemistry Chemical Engineering,Chengdu University of Technology,Chengdu 610059)
出处
《化工新型材料》
CAS
CSCD
北大核心
2022年第S01期145-150,155,共7页
New Chemical Materials
基金
四川省科技计划项目(2020YJ0163)
关键词
超级电容器
电极材料
氮化物
赝电容
supercapacitor
electrode material
nitride
pseudocapacitance
作者简介
何秋洁(2000-),性别女,学士,研究方向为新能源材料与器件,E-mail:2358918679@qq.com;通讯作者:马雪婧,博士,研究方向为电化学能源材料与器件,E-mail:maxuejing17@cdut.edu.cn.
