Energy Storage for Power Systems by Andrei G. Ter-Gazarian;

Author:Andrei G. Ter-Gazarian; [Неизв.]
Language: eng
Format: epub
ISBN: 9781785618673
Publisher: Institution of Engineering & Technology
Published: 2020-11-04T21:00:00+00:00

9.3 Fuel cells

Fuel cells, distinguished from other secondary batteries by their external fuel store, have an even longer history than the lead-acid battery. The first H2–O2 fuel cell was demonstrated in principle by the English lawyer W. R. Grove in 1839, although the bulk of the fuel cell’s development has been in the last decades of twentieth century and the major application has been in the space industry.

Most research activity in secondary batteries worldwide is concerned with materials research for advanced batteries, in particular materials for solid solution electrodes and for solid electrolytes. It should be noted that solid electrolytes are equally applicable to electrochemical fuel cells.

The mobile positive ions in the electrolyte may be metal ions, produced by the metal anode supplying electrons to the external circuit in the battery, while in a fuel cell they may be Hþ (H3Oþ), produced by the hydrogen supplied to the anode. A very simplified transport model is shown in Figure 9.4.

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