Binders for sodium-ion batteries: progress, challenges and strategies

Binders as a bridge in electrodes can bring various components together thus guaranteeing the integrity of electrodes and electronic contact during battery cycling. In this review, we summarize the recent progress of traditional binders and novel binders in the different electrodes of SIBs. The chal...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2021-11, Vol.57 (93), p.1246-12416
Main Authors: Li, Rong-Rong, Yang, Zhuo, He, Xiang-Xi, Liu, Xiao-Hao, Zhang, Hang, Gao, Yun, Qiao, Yun, Li, Li, Chou, Shu-Lei
Format: Article
Language:English
Subjects:
Bonding strength
Electrodes
Rechargeable batteries
Sodium-ion batteries
Thermal stability
Wettability
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Summary:Binders as a bridge in electrodes can bring various components together thus guaranteeing the integrity of electrodes and electronic contact during battery cycling. In this review, we summarize the recent progress of traditional binders and novel binders in the different electrodes of SIBs. The challenges faced by binders in terms of bond strength, wettability, thermal stability, conductivity, cost, and environment are also discussed in details. Correspondingly, the designing principle and advanced strategies of future research on SIB binders are also provided. Moreover, a general conclusion and perspective on the development of binder design for SIBs in the future are presented. The challenges faced by binders can be addressed by enhancing the mechanical and chemical bonding strength, designing multifunctional integrated binders, and combining advanced characterization techniques.
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc04563f