Journal
MATERIALS LETTERS
Volume 210, Issue -, Pages 128-132Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.09.006
Keywords
Manganese oxide; Energy storage and conversion; Supercapacitor
Funding
- Natural Science Foundation of Hebei Province [B2016203391]
- Natural Science Research Keystone Program of Universities in Hebei Province [ZD2016075]
- Yanshan University [606001101]
- Foundation of the Key Technology Research and Development Program of Qinhuangdao [201501B008]
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In this work, nano-structured Mn3O4 particles with spongy-morphology were synthesized through vesicle templating, where hexadecyltrimethylammonium bromide (CTAB) and sodium dodecyl sulfate (SDS) were used as cationic-anionic surfactants. The Mn3O4 electrode materials exhibited a high specific capacitance (451 F g(-1)) at a current density of 0.5 A g(-1) in 1 mol L-1 Na2SO4 electrolyte, and retained 333 F g(-1) when the current density was increased to 5 A g(-1). Its capacitance retention is also high (up to 92%) after 10,000 cycles at a current density of 5 A g(-1). (C) 2017 Elsevier B.V. All rights reserved.
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