e-journal
Engineering aspects of the hybrid supercapacitor with H-insertion electrode
Abstract.
A hybrid supercapacitor, which was assembled with an H-insertion negative carbon electrode and an
electrochemical double-layer positive electrode, was studied and its structure was optimized. The
electrochemical performance of the individual electrode with different negative to positive electrode
mass ratios was investigated. It has been demonstrated that the performance of the hybrid supercapacitor
is closely related to the electrode balance. The results indicated that for carbon electrodes used
in the study, the capacity of the H-insertion electrode could be fully utilized when the mass ratio of the
negative to positive electrode is about 1:6.
Keywords: Electrode balance, Supercapacitor, H-insertion, Asymmetric
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