A new step in the development of Zn/LiFePO4 aqueous battery

A. Molkenova, A. Belgibayeva, D. Ibrayeva, M. Sultanov, S. Zhumagali, N. Akhmetova, T. Hara, Z. Bakenov

Research output: Contribution to journalArticle

Abstract

In recent years, aqueous batteries have gained much attention due to their low production cost and exceptional safety compared to commercial Li-ion battery systems. Three-dimensional (3D) structure could be promising to enhance these batteries energy capacity. In this work, the electrochemical performance of 3D Zn electrode, developed for aqueous rechargeable Zn/LiFePO4 (Zn/LFP) battery system, was studied. Formation of uniformly coated Zn metal on the three-dimensionally organized carbon fibers was verified by field emission scanning electron microscopy (FE-SEM). The electrochemical performance of the battery with this anode was tested for over 50 cycles, where the initial capacity decayed by 11%. Further, poly(methyl methacrylate) (PMMA) and poly(p-phenylene oxide) (PPO) polymer coatings were extensively investigated as a potential separator for the 3D aqueous battery system. Cyclability of PMMA-coated Zn anode was better than that of "plane" Zn; however, the initial capacity of 3D Zn anode was lower than that for the counterpart system.

Original languageEnglish
Pages (from-to)4452-4457
Number of pages6
JournalMaterials Today: Proceedings
Volume4
Issue number3
DOIs
Publication statusPublished - 2017

Fingerprint

Anodes
Polymethyl Methacrylate
Polymethyl methacrylates
Separators
Field emission
Oxides
Carbon fibers
Polymers
Metals
Coatings
Scanning electron microscopy
Electrodes
LiFePO4
Costs
poly-para-phenylene
Lithium-ion batteries
carbon fiber

Keywords

  • 3D structured electrode
  • aqueous rechargeable lithium-ion battery
  • electrodeposition
  • electropolymerization
  • polymer coating

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

A new step in the development of Zn/LiFePO4 aqueous battery. / Molkenova, A.; Belgibayeva, A.; Ibrayeva, D.; Sultanov, M.; Zhumagali, S.; Akhmetova, N.; Hara, T.; Bakenov, Z.

In: Materials Today: Proceedings, Vol. 4, No. 3, 2017, p. 4452-4457.

Research output: Contribution to journalArticle

Molkenova, A, Belgibayeva, A, Ibrayeva, D, Sultanov, M, Zhumagali, S, Akhmetova, N, Hara, T & Bakenov, Z 2017, 'A new step in the development of Zn/LiFePO4 aqueous battery', Materials Today: Proceedings, vol. 4, no. 3, pp. 4452-4457. https://doi.org/10.1016/j.matpr.2017.04.017
Molkenova A, Belgibayeva A, Ibrayeva D, Sultanov M, Zhumagali S, Akhmetova N et al. A new step in the development of Zn/LiFePO4 aqueous battery. Materials Today: Proceedings. 2017;4(3):4452-4457. https://doi.org/10.1016/j.matpr.2017.04.017
Molkenova, A. ; Belgibayeva, A. ; Ibrayeva, D. ; Sultanov, M. ; Zhumagali, S. ; Akhmetova, N. ; Hara, T. ; Bakenov, Z. / A new step in the development of Zn/LiFePO4 aqueous battery. In: Materials Today: Proceedings. 2017 ; Vol. 4, No. 3. pp. 4452-4457.
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