Use of Zinc Coatings As Anode Materials in Electrochemical System with Perchloric Acid and Lead Dioxide for Fast-Activated Reserve Chemical Power Sources

Авторы: Shcheglov P.A., Samsonov D.A., Pavlenkov A.B., Sidorov Yu M., Kulova T.L., Skundin A.M.
Журнал: Russian Journal of Physical Chemistry A
Том: 98
Номер: 6
Год издания: 2024
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 1322
Последняя страница: 1329
DOI: 10.1134/S0036024424700328
Аннотация: The discharge of the zinc–perchloric acid–lead dioxide electrochemical system at temperatures from –50 to +50°C was studied. Zinc coatings, including those subjected to chromate passivation, can be used as anode materials for fast-activated reserve chemical power sources. The tests of pilot batches confirmed that the power sources met the activation time requirements (no more than 50 ms). The power sources of the given system are characterized by increased discharge voltage (the maximum voltage of one cell is 2.12–2.44 V) compared with that of the lead–perchloric acid–lead dioxide system (1.50–1.86 V). The disadvantages of the zinc–perchloric acid–lead dioxide system were revealed: instability of discharge characteristics and possible cell polarity reversal as a result of side reactions, which may have a significant negative impact on the reliability of reserve power sources.
Добавил в систему: Щеглов Павел Александрович

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