2024
DOI: 10.1021/acsaem.3c02808
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Integration of Polymorphic CoxSey on MXene-Incorporated Self-Templated Three-Dimensional Graphene Foam to Augment Supercapacitor Performance through Componential and Structural Modifications

Khadija Chaudhary,
Sonia Zulfiqar,
Khadijah MohammedSaleh Katubi
et al.

Abstract: Transition metal selenides (TMSes) possess rich redox chemistry and, consequently, are potential candidates for supercapacitor applications. Unfortunately, the actual capacitance behavior of TMSes is generally lower than the theoretical value due to a small number of exposed active sites, sluggish charge transfer, and inferior ion diffusivity. Moreover, the dramatic volume changes during the charge/discharge process adversely affects the stability of active materials. Herein, polymorphic Co x Se y (Co 0.85 Se … Show more

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Cited by 11 publications
(1 citation statement)
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“…9(b–d)). The mass-specific energy storage capacity of each electrode was determined from GCD data at different current densities (1–12 A g −1 ) using the following eqn (2): 63 where I is the current density, Δ t denotes the discharge time, and m is the mass of the active material. The maximum specific capacity for NiVSe–MXene-GAF was observed at 1 A g −1 as 305.8 mA h g −1 .…”
Section: Resultsmentioning
confidence: 99%
“…9(b–d)). The mass-specific energy storage capacity of each electrode was determined from GCD data at different current densities (1–12 A g −1 ) using the following eqn (2): 63 where I is the current density, Δ t denotes the discharge time, and m is the mass of the active material. The maximum specific capacity for NiVSe–MXene-GAF was observed at 1 A g −1 as 305.8 mA h g −1 .…”
Section: Resultsmentioning
confidence: 99%