期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 226, 期 -, 页码 646-659出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2022.12.053
关键词
Lignin; Carbon fiber; Structure
This review summarizes the common structural evolution route from previous studies, which can guide the production of engineered lignin carbon fibers with high performance properties.
Lignin remains the second abundant source of renewable carbon with an aromatic structure. However, most of the lignin is burnt directly for power generation, with an effective utilization rate of <2 %, making value addition on lignin an urgent requirement. From this perspective, preparation of lignin-based carbon fibers has been widely studied as an effective way to increase value addition on lignin. However, lignin species are diverse and complex in structure, and the pathway that enables changes in lignin structure during pretreatment, fiber formation, stabilization, and carbonization is still uncertain. In this review, we condense the common structural evolution route from the previous studies, which can serve as a guide towards engineered lignin carbon fibers with high performance properties.
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