Abstract
Varied morphology of nickel manganese oxide (NiMn2O4) is synthesized using the hydrothermal method. The surface morphologies and structures of NiMn2O4 materials are examined by XRD, Raman spectroscopy, UV–vis, FESEM, and HRTEM. XPS is conducted to analyze surface elemental compositions of NiMn2O4. BET analysis is also conducted to measure the surface area and pore volume of the NiMn2O4. Different NiMn2O4 materials are coated on nickel foam electrode to test the capacitance activity from cyclic voltammetry and galvanostatic charge discharge techniques with 1.0 M KOH. Ethylene glycol assisted NiMn2O4 (eg-NiMn2O4) delivers the maximum capacitance is 469 F g−1 at 1.0 A g−1 current rate and 92.3 % capacity retention at 3000 cycles (current density of 10 A g−1). The resulting eg-NiMn2O4 proved to be advantageous over other synthesized CTAB assisted NiMn2O4 (ct-NiMn2O4) and p-NiMn2O4 (NiMn2O4 without capping agents) electrodes in terms of high specific capacity, superior cyclability, and good rate capability due to their structural changes and interconnected pores.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
