Achieving High‐Performance Supercapacitors by Constructing Porous Zinc–Manganese Oxide Microstructures | Zendy

Gao Yanping | Zendy; Zheng Mingbo | Zendy; Pang Huan | Zendy

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Achieving High‐Performance Supercapacitors by Constructing Porous Zinc–Manganese Oxide Microstructures

Author(s) -

Gao Yanping,

Zheng Mingbo,

Pang Huan

Publication year - 2015

Publication title -

energy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.91

H-Index - 44

eISSN - 2194-4296

pISSN - 2194-4288

DOI - 10.1002/ente.201500067

Subject(s) - supercapacitor , calcination , materials science , zinc , manganese , microstructure , capacitance , electrode , chemical engineering , porosity , nanostructure , oxide , manganese oxide , inorganic chemistry , nanotechnology , metallurgy , chemistry , composite material , catalysis , organic chemistry , engineering

Porous zinc–manganese oxide (ZnMn 2 O 4 ) microstructures are prepared by calcination using a precursor method, and the material is successfully applied as the supercapacitor electroactive materials in a three‐electrode cell. Due to the unique micro/nanostructure, the as‐prepared sample obtained under the calcination condition of 450 °C for 6 h achieved a high specific capacitance of 1093 F g −1 . The electrode also exhibited high cycle stability for 5000 cycles.

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