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北京石油化工学院2026年研究生招生接收调剂公告
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0513flpb

至尊木虫 (职业作家)


[资源] 分享一篇最新的2011年6月24日Science上的石墨烯的文章

最新的关于石墨烯的文献!
与你共享!Carbon-Based Supercapacitors Produced by Activation of Graphene
Yanwu Zhu,1 Shanthi Murali,1 Meryl D. Stoller,1 K. J. Ganesh,1 Weiwei Cai,1 Paulo J. Ferreira,1
Adam Pirkle,2 Robert M. Wallace,2 Katie A. Cychosz,3 Matthias Thommes,3 Dong Su,4
Eric A. Stach,4 Rodney S. Ruoff1*


Supercapacitors, also called ultracapacitors or electrochemical capacitors, store electrical charge on
high-surface-area conducting materials. Their widespread use is limited by their low energy storage
density and relatively high effective series resistance. Using chemical activation of exfoliated
graphite oxide, we synthesized a porous carbon with a Brunauer-Emmett-Teller surface area of up
to 3100 square meters per gram, a high electrical conductivity, and a low oxygen and hydrogen
content. This sp2-bonded carbon has a continuous three-dimensional network of highly curved,
atom-thick walls that form primarily 0.6- to 5-nanometer-width pores. Two-electrode
supercapacitor cells constructed with this carbon yielded high values of gravimetric capacitance
and energy density with organic and ionic liquid electrolytes. The processes used to make this
carbon are readily scalable to industrial levels.

[ Last edited by 0513flpb on 2011-8-30 at 16:26 ]
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dropper

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★★★★★ 五星级,优秀推荐

顶一下,感谢分享!
最近这个东西实在是太火了,哪个行业都往这上面考
28楼2011-07-05 11:49:00
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0513flpb

至尊木虫 (职业作家)


用活化的石墨烯作为超级电容!

5楼2011-07-01 10:26:10
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简单回复
2011-07-01 08:37  
三星好评  顶一下,感谢分享!
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2011-07-01 10:25  
五星好评  顶一下,感谢分享!
pippo83106楼
2011-07-01 13:53  
三星好评  顶一下,感谢分享!
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2011-07-01 17:40  
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2011-07-02 11:22  
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2011-07-02 12:45  
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