Recent Advances in Biopolymer-Based Hydrogel Electrolytes for Flexible Supercapacitors

Growing concern regarding the impact of fossil fuels has led to demands for the development of green and renewable materials for advanced electrochemical energy storage devices. Biopolymers with unique hierarchical structures and physicochemical properties, serving as an appealing platform for the advancement of sustainable energy, have found widespread application in the gel electrolytes of supercapacitors. In this Review, we outline the structure and characteristics of various biopolymers, discuss the proposed mechanisms and assess the evaluation metrics of gel electrolytes in supercapacitor devices, and further analyze the roles of biopolymer materials in this context. The state-of-the-art electrochemical…

• AV
  Alexander von Humboldt-Stiftung

  Award: Ref 3.1 - CAN - 1234770 - HFST-P
• NN
  National Natural Science Foundation of China

  Awards: 202304, 22378254, 22005103
• GG
  Georg-August-Universität Göttingen
• SU
  Shaanxi University of Science and Technology
• SK
  State Key Laboratory of Pulp and Paper Engineering

  Award: 202304
• JN
  Jiangxi Normal University
• NS
  Natural Sciences and Engineering Research Council of Canada
• NK
  National Key Research and Development Program of China

  Award: 2022YFE0104200
• NS
  Natural Science Basic Research Program of Shaanxi Province

  Award: 2023-JC-QN-0134