Stacked-Layer Heterostructure Films of 2D Thiophene Nanosheets and Graphene for High-Rate All-Solid-State Pseudocapacitors with Enhanced Volumetric Capacitance.

Wu, Zhong-Shuai; Zheng, Yijun; Zheng, Shuanghao; Wang, Sen; Sun, Chenglin; Parvez, Khaled; Ikeda, Taichi; Bao, Xinhe et al. · Adv Mater · 2017

basic_science · Level V

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Abstract

Stacked-layer heterostructure films of 2D thiophene nanosheets and electrochemically exfoliated graphene are constructed for ultrahigh-rate all-solid-state flexible pseudocapacitors and micro-supercapacitors with superior volumetric capacitance due to the synergetic effect of the ultrathin pseudocapacitive thiophene nanosheets and the capacitive electrochemically exfoliated graphene.