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Article | REF: D3341 V1

Fuel cell technologies. Alkaline and high temperature devices

Authors: Michel CASSIR, Daniel HISSEL, Claude LAMY, Gilles TAILLADES

Publication date: December 10, 2023

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2. Alkaline batteries (AFC)

2.1 How it works

The Alkaline Fuel Cell (AFC) is a hydrogen/oxygen (air) fuel cell operating with an alkaline liquid electrolyte, usually concentrated potash (30-45% KOH by mass). Its sister cell, the Anion Exchange Membrane Fuel Cell ( – AEMFC), operates according to the same reactions, but uses an anionic polymer membrane instead of an alkaline liquid electrolyte (see article [D 3 340] ).

  • The reactions at the electrodes involve hydroxyl ions:...

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Alkaline batteries (AFC)
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