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	Graphene nanosheet–titanium nitride nanocomposite for high performance electrochemical capacitors without extra conductive agent addition
	Han, P.; Yue, Y.; Wang, X.; Ma, W.; Dong, S.; Zhang, K.; Cui, G.
	2012
发表期刊	Journal of Materials Chemistry
卷号	22期号:47页码:24918
其他摘要	;  A graphene nanosheet–titanium nitride (G–TiN) nanocomposite has been fabricated through a simple in situ hydrolysis method combined with ammonia annealing. TiN nanoparticles are homogeneously anchored on G, which is beneficial for the formation of a porous structure and the enhancement of electrical conductivity perpendicular to the graphene layers. Such a texture allows for the fast accessibility of ions and rapid transfer of electrons. In 1MLiPF6–EC : DEC (vol. 1 : 1) electrolyte, the specific capacitances of the electrochemical capacitors (ECs) assembled without extra conductive agent addition, are 560 and 132 F g_1 at current densities of 0.1 and 4 A g_1, respectively. Meanwhile, high energy densities of 162 and 81 W h kg_1 are obtained at power densities of 150 and 934 W kg _1,respectively. Even at a higher power density of 4367 W kg _1, a remarkable energy density of 41 W h Kg _1 is delivered. The unique characteristic of G–TiN endows the ECs with high energy density and power density, due to the combination of electric double layer capacitance and lithium ion intercalation capacitance.
学科领域	仿生能源系统
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.qibebt.ac.cn/handle/337004/1731
专题	仿生与固态能源系统研究组
推荐引用方式 GB/T 7714	Han, P.,Yue, Y.,Wang, X.,等. Graphene nanosheet–titanium nitride nanocomposite for high performance electrochemical capacitors without extra conductive agent addition[J]. Journal of Materials Chemistry,2012,22(47):24918.
APA	Han, P..,Yue, Y..,Wang, X..,Ma, W..,Dong, S..,...&Cui, G..(2012).Graphene nanosheet–titanium nitride nanocomposite for high performance electrochemical capacitors without extra conductive agent addition.Journal of Materials Chemistry,22(47),24918.
MLA	Han, P.,et al."Graphene nanosheet–titanium nitride nanocomposite for high performance electrochemical capacitors without extra conductive agent addition".Journal of Materials Chemistry 22.47(2012):24918.

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