Natural nanomaterial as hard template for scalable synthesizing holey carbon naonsheet/nanotube with in-plane and out-of-plane pores for electrochemical energy storage |
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Authors: | Yijie Zhang Luhua Lu Zhao Zhang Zhu Shu Kai Dai Jinghai Liu Ying Chen Hongyun Jin Shuen Hou |
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Affiliation: | a China University of Geosciences Wuhan, Wuhan 430074, China;b Zhejiang Institute, China University of Geosciences, Hangzhou 311305, China;c College of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China;d Chemistry and Chemical Engineering, Inner Mongolia University for the Nationalities, Tongliao 028000, China |
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Abstract: | Tuning porous structure of carbon nanomaterials has been found to be important for their performance enhancement in electrochemical energy storage applications. In this work we employed a natural nanomaterial kaolinite, which is abundant and cheap, as hard template to synthesis porous carbon nanomaterial. By tuning the structure of hard template kaolinite, we have achieved a template directed formation of holey carbon nanosheet/nanotube materials. This carbon nanomaterials with hierarchical in-plane and out-of-plane pores have shown electrochemical energy storage capacity of 286 F/g (equal to 314 F/cm3) at 0.1 A/g and 85 F/g (equal to 93 F/cm3) at 100 A/g, which is comparable to variety of reported carbon based electrochemical energy storage electrode materials. |
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Keywords: | Kaolinite hard template Carbon nanomaterials Supercapacitor Energy storage |
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