Abstract: Battery plates were formed at specific gravities of electrolyte ranging from 1.05 to 1.45, at temperatures from 4 to 30 deg C, and at current densities from 0.023 to 2.3 amp/sq dm (approximately 0.23 to 23 amp/sq ft). All samples received a total current that was 1/4 of that required for complete formation of a similar plate under the arbitrarily chosen conditions of 30 deg C, 0.23 amp/sq dm current density, and acid specific gravity of 1.050. The plates were impregnated with plastic, sectioned, and polished. The area of formed PbO2 in the positive plate increased as the specific gravity of the acid decreased. The greatest area of PbO2 formation occurred at a current density of 0.023 amp/sq dm. The formed area in the negative plate was greatest at an acid specific gravity of about 1.25. The area of formed material increased as the current density was decreased to 0.23 amp/sq dm, but no increase was observed at lower current density.
| Limitations: |
 APPROVED FOR PUBLIC RELEASE |
| Description: |
Interim rept. |
| Pages: |
48 |
| Report Date: |
01 FEB 1962 |
| Report Number: |
0092272 |
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