Study of the Active Carbon from Used Coffee Grounds as the Active Material for a High-Temperature Stable Supercapacitor with Ionic-Liquid Electrolyte

Study of the Active Carbon from Used Coffee Grounds as the Active Material for a High-Temperature Stable Supercapacitor with Ionic-Liquid Electrolyte

This study reveals a simple approach to recycle wasted coffee grounds into highly valuable carbon material with superior electrochemical performance. Activated carbon prepared from wasted coffee grounds has been formed via hydrothermal acidic hydrolysis followed by a KOH chemical activation at 800&l...

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Bibliographic Details
Main Authors: Marcin Biegun, Anna Dymerska, Xuecheng Chen, Ewa Mijowska
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Materials
Subjects:
biochar
supercapacitor
ionic liquid
Online Access:https://www.mdpi.com/1996-1944/13/18/3919

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