Preparation of Hierarchic Porous Films of α-MnO2 Nanoparticles by Using the Breath Figure Technique and Application for Hybrid Capacitor Electrodes | Zendy

Nobuhiro Shimamura | Zendy; Ryuji Kanda | Zendy; Yuma Matsukubo | Zendy; Yutaro Hirai | Zendy; Hiroya Abe | Zendy; Yuji Hirai | Zendy; Tsukasa Yoshida | Zendy; Hiroshi Yabu | Zendy; Akito Masuhara | Zendy

Open Access

Preparation of Hierarchic Porous Films of α-MnO₂ Nanoparticles by Using the Breath Figure Technique and Application for Hybrid Capacitor Electrodes

Author(s) -

Nobuhiro Shimamura,

Ryuji Kanda,

Yuma Matsukubo,

Yutaro Hirai,

Hiroya Abe,

Yuji Hirai,

Tsukasa Yoshida,

Hiroshi Yabu,

Akito Masuhara

Publication year - 2019

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.8b03381

Subject(s) - electrode , materials science , capacitance , capacitor , nanoparticle , electrochemistry , porosity , nanotechnology , optoelectronics , wetting , supercapacitor , composite material , electrical engineering , voltage , chemistry , engineering

The honeycomb-structured film has advantages such as high wettability and high surface area. This structure and properties are suitable for the capacitor electrode. In this study, the electrode structure is controlled by the synthesis of MnO 2 nanoparticles using the breath figure method. The electrode performance was calculated by electrochemical measurements. As a result, the capacitance value was 100.5 F/g at 1 mV s -1 , which was improved 2.7 times as compared with that without structure control.

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