Статья
2020

Improved Effect of Water-Soluble Binder NV-1A on the Electrochemical Proprieties LFP Electrodes


O. Potapenko O. Potapenko , A. Potapenko A. Potapenko , Changji Zhou Changji Zhou , Lili Zhang Lili Zhang , Jun Xu Jun Xu , Zhuowei Gu Zhuowei Gu
Российский электрохимический журнал
https://doi.org/10.1134/S1023193520120174
Abstract / Full Text

The electrochemical properties of batteries consist of LiFePO4 (LFP) with the NV-1A binder were studied in depth. It was shown that SEI layer for NV-1A formed on the electrodes has a lower resistance as compared with PVDF. It is known that the increase discharge current loads lead to decrease an average voltage and the specific capacity of a battery. However, in the case of NV-1A binder the changing average discharge voltage and the specific capacity at the increasing current loads is not significant. Thus, the capacity fall is 18 and 220 mA h for NV-1A and PVDF binders for LIBs consist from LFP cathode material with different binders with an increase in discharge currents from 0.1 to 2.0 C, respectively. It should be noticed that the electrochemical properties of the LFP–NV-1A system were completely studied the first time not only in half-cells but in the full battery complete state.

Author information
  • Ningbo FUTEC Co. Ltd., 315600, Ningbo, P.R. China

    O. Potapenko

  • Zhejiang Casnovo New Materials Co. Ltd., 316100, Zhoushan, Zhejiang, P.R. China

    O. Potapenko, Changji Zhou, Lili Zhang, Jun Xu & Zhuowei Gu

  • On leave of absence from Joint Department of Electrochemical Energy Systems, 03142, Kyiv, Ukraine

    O. Potapenko & A. Potapenko

  • University of Electronic Science and Technology of China, 611731, Chengdu, Sichuan, China

    A. Potapenko

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