Method for producing tube-type electrodes

H - Electricity – 01 – M

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18/67

H01M 4/16 (2006.01) H01M 4/56 (2006.01)

Patent

CA 1150458

PC-7637/USA Abstract of the Disclosure An improvement in the production of tube electrodes for lead storage batteries comprising mixing a small amount 0.1 to 3 weight percent) of polytetrafluoroethylene (PTFE) with lead powder, the mixture is heated and shear stresses are applied thereto sufficient to convert substantially all of the PTFE in the mixture to fibrous form and to form. a non-powdery dough. The dough is then granulated and the doughy granules about 100 µ to 500 µ in major dimension are used for filling tube electrodes of a lead-acid storage battery.

367544

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