Abstract:The
electric double-layer capacitance (EDLC)-based capacitor is
hindered with low capacitance and low energy density. Here, in this
report, we focused on the fabrication of a symmetric device having
graphene as an EDLC electrode material and redox additive KI-integrated
aqueous MgSO4 as an electrolyte. The high surface area
of graphene was produced by annealing of graphene oxide in an inert
atmosphere and confirmed through X-ray photoelectron spectroscopy
and Raman spectroscopy. The strategic 6% KI into MgSO4 … Show more
“…In particular, we've compared the performance of MnO 2 –Mn 3 O 4 with other Mn-based materials used in aqueous magnesium ion energy storage and found it to have excellent electrochemical performance and application potential. 8,16–24 Additionally, the MHS exhibits excellent cycling stability, with high capacitance retention of 98.5% even after 5000 cycles at 10 A g −1 . The outstanding properties of MnO 2 –Mn 3 O 4 are attributed to the introduction of the heterostructure, which adds additional pseudo-capacitance.…”
MnO2-Mn3O4 heterostructure materials are applied in aqueous magnesium ion energy storage for the first time. The heterostructure yields an exceptionally high pseudocapacitance contribution, resulting in a specific capacitance of 313.5...
“…In particular, we've compared the performance of MnO 2 –Mn 3 O 4 with other Mn-based materials used in aqueous magnesium ion energy storage and found it to have excellent electrochemical performance and application potential. 8,16–24 Additionally, the MHS exhibits excellent cycling stability, with high capacitance retention of 98.5% even after 5000 cycles at 10 A g −1 . The outstanding properties of MnO 2 –Mn 3 O 4 are attributed to the introduction of the heterostructure, which adds additional pseudo-capacitance.…”
MnO2-Mn3O4 heterostructure materials are applied in aqueous magnesium ion energy storage for the first time. The heterostructure yields an exceptionally high pseudocapacitance contribution, resulting in a specific capacitance of 313.5...
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