Lithium battery with improved penetration characteristics and manufacturing method therefor
US12212005B2 · kind B2 · utility
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19Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 19, 2018 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Mar 3, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a lithium battery comprising: a cathode; an anode including a passivation film; and an electrolyte interposed between the cathode and the anode, wherein the passivation film includes 0.5 wt % or more and less than 5 wt % of sulfur (S), and the passivation film has a heating value of 50 J/g or less when a nail penetrates the passivation film. The lithium battery has improved penetration characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.