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| Application Research Progress of Lignin-based Hydrogels in the Field of Intelligent Sensing |
| Received:April 15, 2025 Revised:May 14, 2025 |
| DOI：10.11981/j.issn.1000-6842.2025.03.36 |
| Key Words:lignin-based hydrogels;extraction and separation;functional application;intelligent response |
| Fund Project:河北省省属高等学校基本科研业务费研究项目（JQN2023016）；唐山市科技计划项目（22130220H）；华北理工大学医工融合项目（ZD-YG-202413）。 |
| Author Name | Affiliation | Postcode | | TANG Xinli* | College of Material Science and Engineering， North China University of Science and Technology， Tangshan， Hebei Province， 063210 | 063210 | | ZHAO Wei | College of Material Science and Engineering， North China University of Science and Technology， Tangshan， Hebei Province， 063210 | 063210 | | JIAO Jixuan | College of Material Science and Engineering， North China University of Science and Technology， Tangshan， Hebei Province， 063210 | 063210 | | SHI Qiang | College of Material Science and Engineering， North China University of Science and Technology， Tangshan， Hebei Province， 063210 | 063210 | | XIE Jianqiang | College of Material Science and Engineering， North China University of Science and Technology， Tangshan， Hebei Province， 063210 | 063210 | | NIU Shilei | Hebei Shengaosong Wood Industry Co.， Ltd.， Tangshan， Hebei Province， 063506 | 063506 | | SUN Jiankui* | College of Material Science and Engineering， North China University of Science and Technology， Tangshan， Hebei Province， 063210
Hebei Shengaosong Wood Industry Co.， Ltd.， Tangshan， Hebei Province， 063506 | 063506 |
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| Abstract: |
| Lignin possesses characteristics such as renewability， good biocompatibility， and the ability to be functionally modified. In recent years， with the development of green chemistry and sustainable materials， lignin-based hydrogels have gradually become a research hotspot in the field of smart sensing due to their unique porous structure， stimulus responsiveness， and multifunctional interface properties. This paper introduced the construction strategies and functionalization modification methods of lignin-based hydrogels， reviewed their research progress in intelligent sensing such as biomedical sensing， humidity-induced power generation， strain sensing， and flexible supercapacitors， summarized the structural design and performance optimization strategies of multifunctional lignin-based hydrogels， and put forward the challenges and solutions for achieving multi-scenario adaptability and advancing industrialization of lignin-based hydrogels. |
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