Effect of Addition of Thermally Annealed Graphene in Tender Coconut-Derived Hard Carbon for Potassium Ion Battery
Raghunath Sahoo,
Beatriceveena Tharigopala Vincent,
Lavanya Thirugnamam
et al.
Abstract:To fulfill the rising demand for large-scale energy storage
devices,
potassium ion batteries (KIB) are forecasted to play a critical role
in replacing lithium-ion batteries (LIB). Herein, we have synthesized
hard carbon derived from tender coconut (THC) with thermally reduced
GO sheets (trGO@THC) using a two-step precarbonization and pyrolysis
method. The synthesized hard carbon possesses a low specific surface
area of about 20 m2 g–1. The CR2032-type
coin cells with the synthesized material as anode and 0.8 M… Show more
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