Dual hybrid energy storage device with a battery–electrochemical capacitor hybrid cathode and a battery-type anode

Vijayan, Bincy Lathakumary and Yasin, A. and Izan Izwan, Misnon and Anilkumar, Gopinathan M. and Hamed, F. and Yang, Chun-Chen and Jose, Rajan (2021) Dual hybrid energy storage device with a battery–electrochemical capacitor hybrid cathode and a battery-type anode. Energy Fuels, 35 (16). pp. 13438-13448. ISSN 1520-5029. (Published)

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The design of appropriate material architectures and a judicious combination of storage modes are expected to deliver electrical energy storage devices of larger specific energy (ES) and specific power (PS). Herein, a battery-electrochemical capacitor hybrid material as a cathode [i.e., porous carbon filled with three-dimensional MnCo2O4 nanoflowers (3DMCNF), 3DMCNF-AC] and a corresponding battery component (3DMCNF) as an anode are used in a dual hybrid device using a 1 M LiPF6 electrolyte. The cathodic and the anodic properties of the electrodes are separately studied in the half-cell configuration with respect to the Li/Li+ electrode. The 3DMCNF-AC hybrid cathode showed larger specific capacitance (∼165 F·g-1) in the potential range (∼2 to 4.5 V vs Li/Li+) than that of a pure porous carbon cathode (∼115 F·g-1, ∼2 to 4 V vs Li/Li+) at 100 mA·g-1 cycling. The half-cell 3DMCNF anode showed a discharge capacity of ∼1020 mA·h·g-1 in the potential range of ∼0.01-3.0 V versus Li/Li+ at a similar cycling condition to that of the cathode. The dual hybrid full device delivered ∼3.5 V with an ES of up to ∼153 W·h·kg-1 and a PS of up to ∼3500 W·kg-1.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Anodes; Carbon; Cathodes; Electric discharges; Electrolytes; Energy storage; Hybrid materials; Manganese compounds; Porous materials; Secondary batteries; Storage (materials)
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division: Faculty of Industrial Sciences And Technology
Institute of Postgraduate Studies
Depositing User: Pn. Hazlinda Abd Rahman
Date Deposited: 19 Dec 2023 07:09
Last Modified: 19 Dec 2023 07:09
URI: http://umpir.ump.edu.my/id/eprint/33440
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