One-pot hydrothermal synthesis of Mn3O4 nanorods grown on Ni foam for high performance supercapacitor applications

Nanoscale Research Letters
Dongwei LiYe Zhu

Abstract

Mn3O4/Ni foam composites were synthesized by a one-step hydrothermal method in an aqueous solution containing only Mn(NO3)2 and C6H12N4. It was found that Mn3O4 nanorods with lengths of 2 to 3 μm and diameters of 100 nm distributed on Ni foam homogeneously. Detailed reaction time-dependent morphological and component evolution was studied to understand the growth process of Mn3O4 nanorods. As cathode material for supercapacitors, Mn3O4 nanorods/composite exhibited superior supercapacitor performances with high specific capacitance (263 F · g-1 at 1A · g-1), which was more than 10 times higher than that of the Mn3O4/Ni plate. The enhanced supercapacitor performance was due to the porous architecture of the Ni foam which provides fast ion and electron transfer, large reaction surface area, and good conductivity.

References

May 7, 2010·Journal of the American Chemical Society·Hailiang WangHongjie Dai
Dec 22, 2010·Chemical Society Reviews·Weifeng WeiDouglas G Ivey
Feb 5, 2013·ACS Applied Materials & Interfaces·Sun-I KimJi-Hyun Jang

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Citations

Aug 22, 2016·Journal of Colloid and Interface Science·Xiao-Jun LiYing Liu
Nov 1, 2017·Nanoscale Horizons : the Home for Rapid Reports of Exceptional Significance in Nanoscience and Nanotechnolgy·Yating HuJohn Wang
Oct 2, 2021·ACS Applied Materials & Interfaces·Abhilash PullanchiyodanRavinder Dahiya

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Methods Mentioned

BETA
scanning electron microscopy
X-ray

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