Preprint Article Version 1 This version is not peer-reviewed

Sodium Rechargeable Battery with Electrolyte Based on Nafion Membrane

Version 1 : Received: 17 October 2018 / Approved: 18 October 2018 / Online: 18 October 2018 (04:16:01 CEST)

A peer-reviewed article of this Preprint also exists.

Kulova, T.; Skundin, A.; Chekannikov, A.; Novikova, S.; Voropaeva, D.; Yaroslavtsev, A. Sodium Rechargeable Batteries with Electrolytes Based on Nafion Membranes Intercalated by Mixtures of Organic Solvents. Batteries 2018, 4, 61. Kulova, T.; Skundin, A.; Chekannikov, A.; Novikova, S.; Voropaeva, D.; Yaroslavtsev, A. Sodium Rechargeable Batteries with Electrolytes Based on Nafion Membranes Intercalated by Mixtures of Organic Solvents. Batteries 2018, 4, 61.

Journal reference: Batteries 2018, 4, 61
DOI: 10.3390/batteries4040061

Abstract

The possibilities of manufacturing batteries with Nafion 117 membranes in the Na+-form intercalated by mixtures of non-aqueous organic solvents used both as electrolyte, separator and binder were investigated. Electrochemical stability of various organic solvent mixtures based on N,N-dimethylacetamide, ethylene carbonate, propylene carbonate, tetrahydrofuran was characterized. It was shown that sodium battery based on Nafion-Na membrane intercalated by mixture of ethylene carbonate ‑ propylene carbonate with Na3V1.9Fe0.1(PO4)3/C positive electrode is characterized by a discharge capacity of ca. 110 mAh g-1 (C/10) at room temperature and shows the ability to cycle for a long time. Batteries with Nafion membrane electrolytes, containing N,N-dimethylacetamide were characterized by capacity fading during cycling, which is due to the interaction of N,N-dimethylacetamide and a negative sodium electrode.

Subject Areas

sodium rechargeable battery; polymer electrolyte; Nafion; cycle stability; electrochemical stability

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