Abstract
Binder , as a necessary functional material of electrode in lithium ion battery , has a vital influence on the electrochemical performance. The humics , coupled with polyacrylamide (PAM) and sodium carboxymethyl cellulose (CMC), were used as a water-soluble binder for LiFePO4 (LFP) cathode using in lithium ion battery . The techniques of cyclic voltammetry (CV) and galvanostatic charge-discharge were conducted to evaluate the performance of humics binder in LFP electrode. The reversible specific capacity of LFP (HA + PAM + CMC) electrode can reach to 142 mAh g−1 after 50th cycling (100 mAh g−1) on conditions of raw materials with 1 wt% PAM addition, humics and CMC with a mass ratio of 3:1 in binder , and the raw materials mixed in an interval order. Humics has the potential to be used as a novel, eco-friendly and high-efficient binder for lithium-ion battery.
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Acknowledgements
The authors acknowledge the financial supports of the financial support from the National Science Fund of China (No. 51404213, No. 51404214, No. 51674225 and No. 51774252), Educational Commission of Henan Province of China (No. 17A450001, No. 18HASTIT011 and No. 18A450001) and the Development Fund for Outstanding Young Teachers of Zhengzhou University (No. 1421324065).
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Han, G., Yang, S., Liu, J., Huang, Y. (2018). The Investigation of Humics as a Binder for LiFePO4 Cathode in Lithium Ion Battery. In: Li, B., et al. Characterization of Minerals, Metals, and Materials 2018 . TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72484-3_4
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DOI: https://doi.org/10.1007/978-3-319-72484-3_4
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