Author

D. Malavekar

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Open access Oct 2026

Amorphous-Crystalline CoNiS Heterojunctions with Optimized Interfacial Charge Transfer for Highly Efficient Oxygen Evolution and Urea Oxidation.

Controlling catalyst crystallinity is crucial yet challenging in electrocatalysis. Herein, ZIF-67-derived cobalt-nickel sulfide (CoNiS) with continuously tunable crystallinity from amorphous to semi-crystalline and fully crystalline was synthesized by controlling sulfurization time. The semi-crystalline CoNiS (a/c-CoNi...

Zhen-Hua Fang, Fang Zheng, M. Gaikwad et al. · Small · 0 citations

Open access Sep 2026

Dual mechanism enhanced capacitive storage and diffusion kinetics in hierarchically porous spherical cluster silicon nanoparticles-carbonized sucrose-activated charcoal anode enable high energy in lithium-ion CR2032 half-cell

Silicon (Si) has a high theoretical capacity of 4200 mAh/g in lithium-ion batteries anode; however, it faces three main difficulties: an unstable Solid Electrolyte Interface (SEI), particle pulverization, and volume expansion. In this work, we present a highly efficient anode material for Lithium-Ion CR2032 3V half-cel...

S. Thombare, Ranjit Humane, R. Kalubarme et al. · Frontiers in Batteries and E... · 0 citations

Open access Sep 2026

Enhanced supercapacitor performance of reduced graphene oxide/polypyrrole composite for energy storage application

The combined properties of reduced graphene oxide/polypyrrole (rGO/Ppy) have drawn a lot of interest in composite electrodes for supercapacitors. In this work, chemical bath deposition (CBD) method was used to develop rGO/Ppy composite thin films. The CBD method enables the synthesis of self-supported electrode mater...

D. C. Pawar, D. Malavekar, A. Bagde et al. · Frontiers in Batteries and E... · 0 citations