Abstract
Electrode material potential evolution is a proficient and vast challenge to deliver improved electrochemical performance in supercapacitors. This work reports a combination of ternary selenide (CoNiSe2) electrode performance. Different surfactant effect seems to boost up prepared electrode performance. Hexagonal structured CoNiSe2 revealed sharp XRD peak at 33.4° (101) plane and explored crystalline phase purity. FTIR uphold functional O–H group and a metal complex. The sharp band at 476 cm−1 ascribed to Se bonding with the obtained product. PEG-1000 influence on ternary selenide elucidates charge transfer kinetics between energy levels among CTAB and HMTA. The electrode shows outstanding energy storage capacities with 99% of cyclability long-lasting even after 5000 cycles. The ternary selenide using PEG 1000 assisted surfactant experiences enhanced stability with an improved capacitance of 365 Fg−1 at 1 Ag−1. Among surfactants, PEG 1000 assisted CoNiSe2 showed excellent performance and proves the product is well suitable for the storage applications.
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