Cylindrical battery having pressure sensor, and method for measuring internal pressure thereof
US11605842B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Dec 5, 2018 |
| Grant date | Mar 14, 2023 |
| Priority date | — |
| Expiry date | Jun 21, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cylindrical battery comprising a lithium secondary battery and having a pressure sensor for measuring an internal pressure of the secondary battery, the cylindrical battery as a whole includes: an electrode assembly including a cathode plate, an anode plate, and a separator electrically insulating the cathode plate and the anode plate from each other; the pressure sensor positioned on one side of the electrode assembly and embedded in the cylindrical battery; and a top cap positioned on the other side of the electrode assembly, wherein the pressure sensor has an insulating property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.