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    Direct carbonization of sodium lignosulfonate through self-template strategies for the synthesis of porous carbons toward supercapacitor applications

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    Name:
    pagination_COLSUA_128191.pdf
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    1.387Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
    Embargo End Date:
    2023-12-29
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    Type
    Article
    Authors
    Zhang, Xiaoshan
    Jian, Wenbin
    Zhao, Lei
    Wen, Fuwang
    Chen, Junli
    Yin, Jian
    Qin, Yanlin
    Lu, Ke
    Zhang, Wenli
    Qiu, Xueqing
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2021-12-29
    Embargo End Date
    2023-12-29
    Submitted Date
    2021-11-18
    Permanent link to this record
    http://hdl.handle.net/10754/674965
    
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    Abstract
    Commercial supercapacitors rely on expensive porous carbon electrode materials. Therefore, it is essential to search for low-cost porous carbon electrode materials for next-generation supercapacitors. In this work, we produced lignin-derived porous carbon from alkalized sodium lignosulfonate. The carboxyl and phenolic hydroxyl are bonded with potassium ions in alkalized sodium lignosulfonate molecules. As a result, the introduced potassium ions on carboxyl and phenolic hydroxyl groups and sodium ions on sulfonate groups act as the porogens for preparing porous carbons. The alkalized sodium lignosulfonate is pyrolysis carbonized to produce porous carbon materials for asymmetric and symmetric supercapacitors. Developed pores inside the lignin-derived porous carbons are generated from the self-template role of the generated inorganic metal carbonates and metal sulfates. The introduced alkali metal ions in alkalized sodium lignosulfonate play extra roles of templates. Our work made a new paradigm shift that lignin could be transformed into porous carbon electrodes through self-template methodologies for future supercapacitor applications.
    Citation
    Zhang, X., Jian, W., Zhao, L., Wen, F., Chen, J., Yin, J., … Qiu, X. (2022). Direct carbonization of sodium lignosulfonate through self-template strategies for the synthesis of porous carbons toward supercapacitor applications. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 636, 128191. doi:10.1016/j.colsurfa.2021.128191
    Sponsors
    The authors acknowledge the financial support from the National Natural Science Foundation of China (No. 22108044), the National Key Research and Development Plan (No. 2018YFB1501503), the Research and Development Program in Key Fields of Guangdong Province (No. 2020B1111380002), the Natural Science Foundation for Distinguished Young Scholars of Guangdong Province (No. 2019B151502038), the Hefei National Laboratory for Physical Sciences at the Microscale (KF2020106), the Foundation of State Key Laboratory of Bio-based Material and Green Papermaking (Shandong Academy of Sciences) (No. GZKF202105) and the financial support from the Guangdong Provincial Key Laboratory of Plant Resources Biorefinery (No. 2021GDKLPRB07).
    Publisher
    Elsevier BV
    Journal
    Colloids and Surfaces A: Physicochemical and Engineering Aspects
    DOI
    10.1016/j.colsurfa.2021.128191
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0927775721020604
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.colsurfa.2021.128191
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division

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