Recent advance in electrochemically activated supercapacitors: Activation mechanisms, electrode materials and prospects

X Hong, J He, C Duan, G Wang, B Liang - Renewable and Sustainable …, 2025 - Elsevier
Different from traditional materials synthesis, electrochemical activation technique achieves
the dynamic optimization of electrode materials through adjusting the specific surface …

Electrochemical activation of NiCo-hydroxysulfides in high concentration KOH for constructing ultra-high capacitance electrodes

C Deng, J He, G Wang, X Hong, B Liang - Electrochimica Acta, 2023 - Elsevier
Cyclic voltammetry (CV) activation strategy can be used to enhance the charge storage
capability of electrode materials. To explore the activation mechanism of transition metal …

Cyclic voltammetry activation for boosting the supercapacitance of trimetallic Ni-Co-Mn phosphides

C Deng, J He, G Wang, K Wang, W Dong… - Applied Surface Science, 2023 - Elsevier
Electrochemical activation has a great significance for enhancing the energy storage
capability of electrode materials. To develop high-performance phosphides electrodes …

Effect of electrolytic cations on a 3D Cd-MOF for supercapacitive electrodes

R Deka, R Rajak, V Kumar, SM Mobin - Inorganic Chemistry, 2023 - ACS Publications
A cadmium-based metal–organic framework (Cd-MOF) is synthesized in a facile manner at
ambient temperature by an easy slow diffusion process. The three-dimensional (3D) …

Electrochemical kinetic study and performance evaluation of surface-modified mesoporous sodium carbonophosphates nanostructures for pseudocapacitor …

BS Nishchith, Y Kalegowda, S Ashoka… - Journal of Alloys and …, 2023 - Elsevier
Sodium carbonophosphates as a novel low-cost and safe electrode material have been
widely researched for sodium and lithium-ion battery application. Here, we report the …

Ferrocene surface-modified Fe3O4 nanoparticles as prominent electrode material for supercapacitor application

E Payami, A Mohammadzadeh, KD Safa… - Journal of Energy …, 2024 - Elsevier
Supercapacitors (SCs) have gained significant interest in electronic devices due to their
longer cycle life and high power density. Grafting functional materials onto magnetite …

The integration of Ni-Co oxide/phosphide/sulphide composites into nanowire arrays on Ni foam as supercapacitor electrode for boosting energy storage performance

J Wu, F Yan, Z Huang, J Liu, H Huang, Y Liang… - Journal of Energy …, 2024 - Elsevier
Abstract In this work, Ni-Co oxide/phosphide/sulphide (NCOPS) multicomponent composites
are designed and constructed as an electrode material with high specific capacitance for …

Polyvinylpyrrolidone-modified Bi2O3 and Bi2S3 nanocomposites for improved supercapacitive performance

Y Guo, X Zhang, R Zhang, A Li, J Zhang… - Journal of Materials …, 2023 - Springer
In this work, Bi2O3 and Bi2S3 nanomaterials are modified with polyvinylpyrrolidone (PVP).
The products are defined as Bi2O3@ PVP and Bi2S3@ PVP, respectively. SEM …

Two-step synthesis of a-NiCu (OH) 2 CO 3/Na 3 NiCuCO 3 PO 4: A battery-type electrode for pseudocapacitor applications

BS Nishchith, Y Kalegowda, S Ashoka… - New Journal of …, 2023 - pubs.rsc.org
Here, we report the environmentally friendly and cost-effective two-step synthesis of
amorphous nickel–copper carbonate hydroxide on nickel–copper carbonophosphate (a …

Reinforced electrochemical energy storage through controlled construction of hierarchical hollow β-Ni (OH) 2 microspheres enriched with oxygen vacancies induced …

ZJ Sun, JQ Chen, XM Cao, H Ge, D Liu, Q Wu… - Applied Surface …, 2024 - Elsevier
As promising electrode materials, hollow-structured metallic oxides/hydroxides have
attracted extensive attention for their significantly enhanced catalyst and electrochemical …