Facile preparation of flexible binder-free graphene electrodes for high-performance supercapacitors

Author:

Lin Shiqi12ORCID,Tang Jie12ORCID,Zhang Wanli12,Zhang Kun1ORCID,Chen Youhu1ORCID,Gao Runsheng1,Yin Hang12ORCID,Yu Xiaoliang1,Qin Lu-Chang3ORCID

Affiliation:

1. National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan

2. University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-0006, Japan

3. Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3255, USA

Abstract

A supercapacitor electrode is developed with a free-standing graphene film by a facile two-step strategy. The graphene electrode achieved a gravimetric capacitance of 180 F g−1 and a volumetric capacitance of 94 F cm−3.

Funder

Ministry of Education, Culture, Sports, Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

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