Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
ISSN-L : 1344-3542
Technical Papers
Nickel/Metal Hydride Cells Using an Alkaline Polymer Gel Electrolyte Based on Potassium Salt of Crosslinked Poly(acrylic acid)
Chiaki IWAKURANaoji FURUKAWAToshiyuki OHNISHIKouichi SAKAMOTOShinji NOHARAHiroshi INOUE
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JOURNALS OPEN ACCESS

2001 Volume 69 Issue 9 Pages 659-663

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Abstract

Alkaline polymer gel electrolyte with high ionic conductivity was prepared from potassium salt of crosslinked poly(acrylic acid) and KOH aqueous solution in order to investigate the applicability of the polymer gel electrolyte to alkaline secondary batteries such as nickel/metal hydride (Ni/MH) battery. An experimental Ni/MH cell was assembled using the polymer gel electrolyte and its charge-discharge and capacity retention characteristics were tested. A similar type of Ni/MH cell was also assembled using a 6 M KOH aqueous solution for comparison. The former cell was found to exhibit rather better charge-discharge and capacity retention characteristics than the latter cell.

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© 2001 The Electrochemical Society of Japan
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