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| Research Progress on Lignin-based Carbon Materials in Supercapacitor Electrodes: Heteroatom Doping and Performance Optimization |
| Received:September 29, 2025 Revised:October 23, 2025 |
| DOI：10.11980/j.issn.0254-508X.2026.02.012 |
| Key Words:lignin carbon materials electrode heteroatom doping supercapacitor |
| Fund Project:国家自然基金（32271797，32271811）；南京林业大学大学生创新训练计划项目（202510298085Z）。 |
| Author Name | Affiliation | Postcode | | ZHENG Jie* | College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037 | 210037 | | XIE Qingyue | College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037 | 210037 | | ZHONG Wei | 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 | | LI Penghui | State Key Lab of Advanced Papermaking & Paper-based Materials, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | JIANG Bo | 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 | | 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:The conversion of lignin into high-performance carbon materials represents one of the effective pathways for its resource utilization. This paper systematically reviewed the latest research progress in lignin-based carbon materials used as supercapacitor electrodes. It highlighted the optimizing effects of heteroatom doping (nitrogen， phosphorus， sulfur， boron， and dual-doping) on the microstructure， surface chemical properties， and electrochemical performance of carbon materials. The underlying mechanisms were analyzed in depth， including the introduction of pseudocapacitance， expansion of interlayer spacing， improvement of wettability， and optimization of electron conduction. Finally， the current research challenges were summarized， and future development directions were outlined， such as exploring multi-element synergistic doping mechanisms， developing green and scalable preparation processes， and achieving deeper integration with the pulp and paper industry. This review aimed to provide references for the application of lignin in the field of efficient energy storage. |
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