✦ LIBER ✦

Developmental studies on porous iron electrodes for the nickeliron cell

✍ Scribed by N. Jayalakshmi; V.S. Muralidharan

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 605 KB
Volume: 32
Category: Article
ISSN: 0378-7753
DOI: 10.1016/0378-7753(90)87003-a

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✦ Synopsis

The development of sintered iron electrodes for the Ni-Fe battery is mainly aimed at increasing the discharge capacity and minimising selfdischarge. Electrodes were prepared by either introducing additives into the iron powder before sintering or adding to powder before pressing. To evaluate the self-discharge characteristics, electrochemically-impregnated additives were studied by chronopotentiometry to determine the discharge behaviour and open-circuit-potential recovery transients of iron electrodes in the Ni-Fe cell. Mercury and sulphur benefit the iron electrode by increasing the discharge capacity and retarding the formation of FeOOH.

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