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    Synthesis of a microporous poly-benzimidazole as high performance anode materials for lithium-ion batteries

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    Type
    Article
    Authors
    Ren, Siyuan
    Meng, Lingkun
    Ma, Chenhui
    Yu, Ying
    Lou, Yue
    Zhang, Dong
    Han, Yu cc
    Shi, Zhan
    Feng, Shouhua
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science Program
    Nanostructured Functional Materials (NFM) laboratory
    Physical Science and Engineering (PSE) Division
    Date
    2020-08-15
    Embargo End Date
    2022-08-20
    Submitted Date
    2020-03-03
    Permanent link to this record
    http://hdl.handle.net/10754/664965
    
    Metadata
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    Abstract
    Heteroatom-rich two-dimensional graphene-like structure polymers are highly demanded as high-performance anode materials for lithium ion batteries. Here, a new microporous poly-benzimidazole (MPBI) is accomplished by a condensation reaction between pyromellitic acid and 1,2,4,5-tetraaminobenzene in polyphosphoric acid medium. After heat-treatment at 550 °C, the integrated frame structure of the obtained MPBI-550 remains unchanged without the residual edge groups. Due to the holey pore framework, nitrogen-rich aromatic rings and two-dimensional graphene-like structure, MPBI-550 is suitable for lithium-ion battery anode. It exhibits a remarkable long cycling life, high reversible capacity of 700 mAh g−1 (at 1 A g−1) after 500 cycles and a good rate performance. Such a low-cost and high-performance material constitutes a step towards the design and manufacture of functional anode materials for next generation lithium-ion batteries.
    Citation
    Ren, S., Meng, L., Ma, C., Yu, Y., Lou, Y., Zhang, D., … Feng, S. (2021). Synthesis of a microporous poly-benzimidazole as high performance anode materials for lithium-ion batteries. Chemical Engineering Journal, 405, 126621. doi:10.1016/j.cej.2020.126621
    Sponsors
    Siyuan Ren and Lingkun Meng contributed equally to this work. This work was supported by the Natural Science Foundation of China (nos. 21771077, 21771084 and 21621001), the National Key Research and Development Program of China (no. 2016YFB0701100), the 111 project (no. B17020) and the Foundation of Science and Technology Development of Jilin Province, China (20200801004GH). The authors also gratefully acknowledge the financial support by Program for JLU Science and Technology Innovative Research Team (JLUSTIRT).
    Publisher
    Elsevier BV
    Journal
    Chemical Engineering Journal
    DOI
    10.1016/j.cej.2020.126621
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S1385894720327492
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.cej.2020.126621
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Chemical Science Program

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