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Why is it important?
The work describes the synthesis of cashew nutshell derived activated carbon (CNSAC) through a simple, cost effective, and eco-friendly process. Owing to the unique structure and higher porosity, cashew nut shell is having a great potential as activated carbon precursor. For supercapacitor electrode applications, the material properties and electrochemical characteristics of CNSAC are appreciable. The large surface area and pore volume of CNSAC facilitate the additional charge accumulation and improve electrochemical efficiency. The high specific capacitance obtained for CNSAC suggests its potential as a viable electrode material for diverse supercapacitor applications. The electrochemical efficiency of CNSAC is further validated by fabricating symmetric supercapacitors with conventional aqueous electrolytes and sodium nitrate (NaNO3) WIS electrolyte exhibits a high specific capacitance and a wider potential window when compared with traditional aqueous electrolytes. Moreover, WIS electrolyte-based SSC shows excellent capacitance retention and good rate capability. The superior electrochemical performance of the NaNO3 WIS electrolyte-based SSC suggests that WIS electrolytes have a greater potential for practical supercapacitor applications.
Perspectives
Writing this article was a great pleasure because I had the opportunity to collaborate with co-authors with whom I have had long-standing relationships.
MERIN PULIKKOTTIL
Center for materials for electronics and Technology
Read the Original
This page is a summary of: Cashew Nut Shell Derived Porous Activated Carbon Electrodes for “Water‐in‐Salt” Electrolyte Based Symmetric Supercapacitor, ChemistrySelect, June 2022, Wiley,
DOI: 10.1002/slct.202200984.
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