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Frankland writes: 'The chemical changes occurring during the charging and discharging of storage batteries have been the subject of considerable difference of opinion amongst chemists and physicists. Some writers believe that much of the storage effect depends upon the occlusion of oxygen and hydrogen gases by the positive and negative plates or by the active material thereon, some contend that lead sulphate plays an important part, whilst others assert that no chemical change of this sulphate occurs either in the charging or discharging of the plates. To test the first of these opinions, I made two plates of strips of thin lead twisted into corkscrew form, and after filling the gutter of the screw with minium, so as to form a cylinder that could be afterwards introduced into a piece of combustion-tubing, these plates were immersed in dilute sulphuric acid and charged by the dynamo-current in the usual manner. The charging was continued until the whole of the minium on the + and — plates respectively was converted into lead peroxide and spongy lead, and until gas bubbles streamed from the pores of the two cylinders.'

Annotations in pencil and ink.

Subject: Chemistry / Physics

Received 21 February 1883. Read 1 March 1883.

A version of this paper was published in volume 35 of the Proceedings of the Royal Society as 'Contributions to the chemistry of storage batteries'.

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Ink and graphite pencil on paper
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7 pages

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Edward Frankland

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Edward Frankland, Paper, 'Contributions to the chemistry of storage batteries' by E [Edward] Frankland, 1883, PP/3/9, The Royal Society Archives, London,, accessed on 22 July 2024

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  • Proceedings Papers

    Dates: 1882 - 1894

    The archival collection known as 'Proceedings Papers' is comprised of manuscripts and occasional proofs of scientific papers sent to the Royal Society which were read before meetings of Fellows and printed in full in the Proceedings of the Royal Society.

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