氮掺杂黑色二氧化钛用于高性能超级电容器(英文)
发布时间:2021-03-13 09:45
对于储能系统,同时实现高能量密度和高功率密度仍是一个巨大的挑战.电化学超级电容器通过表面吸附或表面氧化还原反应实现储能,是解决上述问题的潜在方法之一.本论文报道了一种新型高氮掺杂(9.29 at.%)黑色二氧化钛(TiO2-x:N)超级电容器电极材料.该材料具有独特的微观结构,由高导电的非晶壳层和一个纳米晶核组成.在酸性电解液中,该材料可以通过氮参与的氧化还原反应(TiO2-xNy+z H++ze■-TiO2-xNyHz)可逆地与质子结合实现能量的高效快速储存,实现极高的比电容(2 mV s-1扫速下容量高达750 F g-1,1 A g-1电流密度下容量可达707 F g-1)、高倍率特性(极高电流密度20 A g-1时容量仍可达503 F g-1)和长时间循环下的高稳定性.作为一...
【文章来源】:Science China Materials. 2020,63(07)
【文章页数】:8 页
【文章目录】:
INTRODUCTION
EXPERIMENTAL SECTION
Materials
Material characterizations
Electrochemical characterization
Calculation of electrochemical properties
RESULTS AND DISCUSSION
CONCLUSIONS
【参考文献】:
期刊论文
[1]Microwave absorption of magnesium/hydrogen-treated titanium dioxide nanoparticles[J]. Michael Green,Anh Thi Van Tran,Russell Smedley,Adam Roach,James Murowchick,Xiaobo Chen. Nano Materials Science. 2019(01)
本文编号:3079994
【文章来源】:Science China Materials. 2020,63(07)
【文章页数】:8 页
【文章目录】:
INTRODUCTION
EXPERIMENTAL SECTION
Materials
Material characterizations
Electrochemical characterization
Calculation of electrochemical properties
RESULTS AND DISCUSSION
CONCLUSIONS
【参考文献】:
期刊论文
[1]Microwave absorption of magnesium/hydrogen-treated titanium dioxide nanoparticles[J]. Michael Green,Anh Thi Van Tran,Russell Smedley,Adam Roach,James Murowchick,Xiaobo Chen. Nano Materials Science. 2019(01)
本文编号:3079994
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