Carbonaceous materials for lead acid batteries
US10862109B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | May 18, 2018 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Dec 15, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are compositions, which can be used to coat electrode plates, comprising at least one carbonaceous material and at least one additive, wherein the at least one additive comprises a metal ion selected from calcium, barium, potassium, magnesium, and strontium ion, and wherein the metal ion is present in an amount ranging from 0.5 wt. % to 3 wt. % relative to the total weight of carbonaceous material. Also disclosed are electrodes and lead acid batteries comprising such compositions, and methods of making the compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.