Expander action in the lead-acid battery
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M.P.J. Brennan; N.A. Hampson
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Article
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1973
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Elsevier Science
โ 517 KB
In the manufacture of negative plates for the lead-acid battery it is customary to add to the lead oxide-sulphuric acid paste forming the active material approximately 0.3~o of a derivative of lignosulphonic acid. Such additives are generally termed expanders. It is claimed that this produces an imp