Preparation of three-dimensional nitrogen-doped graphene layers by gas foaming method and its electrochemical capactive behavior
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- 作者：Junnan Haoa ; Dong Shua ; c ; d ; dshu@scnu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Songtao Guoa ; Aimei Gaoa ; Chun Heb ; hechun@mail.sysu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yayun Zhonga ; Yuqing Liaoa ; Yulan Huanga ; Jie Zhonga
- 关键词：3D graphene layers ; nitrogen-doping ; gas foaming ; organic electrolyte ; supercapacitor
- 刊名：Electrochimica Acta
- 出版年：2016
- 出版时间：1 March 2016
- 年：2016
- 卷：193
- 期：Complete
- 页码：293-301
- 全文大小：1930 K
文摘
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A three-dimensional porous graphene layers was prepared via a gas foaming method.
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Melamine was the nitrogen source to synthesize the N-doped 3D graphene layers.
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The specific surface area of 3D N-doped graphene material is as high as 1196 m2 g−1.
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The 3D N-doped graphene specific capacitance is 335 F g−1 in three-electrode system.
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The energy density of 3D N-doped graphene reaches 58.1 Wh kg−1 in a symmetric cell.