Lithium secondary battery
US11431019B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jun 26, 2018 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Nov 30, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium secondary battery which is made of an anode-free battery and comprises lithium metal formed on a negative electrode current collector by charging. The lithium secondary battery comprises the lithium metal formed in a state of being shielded from the atmosphere, so that the generation of a surface oxide layer (native layer) formed on the negative electrode according to the prior art does not occur fundamentally, thereby preventing the deterioration of the efficiency and life characteristics of the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.