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Research Progress of Lignin Based Electrode Materials for Supercapacitors
Received:July 08, 2022  
DOI：DOI：10.11980/j.issn.0254-508X.2022.12.017
Key Words:lignin  supercapacitor  electrode material  electrochemical performance
Fund Project:国家自然科学基金项目（31730106）。
Author NameAffiliationPostcode
ZHANG Lu College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 210037
LI Penghui College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 		210037
GONG Chuyue College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 210037
WU Wenjuan* College of Light Industry and Food Engineering， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 		210037
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Abstract:Lignin is rich in reserves with high carbon content and a large number of benzene structures， which is a potential raw material of electrode material for new energy storage devices supercapacitors. Lignin contains a large number of ether bonds， which account for more than 50% of the total linkage bonds， and easily forms polyphenolic hydroxyl units during carbonization. This structure can effectively enhance the pseudocapacitance during the charging and discharging process， which enables the electrochemical performance of electrode materials in supercapacitors to be improved. The applications of lignin composite electrode materials， lignin activated carbon materials and lignin template carbon materials were reviewed in this paper. The development direction of lignin-based supercapacitors was summarized and prospected. The application fields of ligin-based electrode materials for supercapacitors were prospected.
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