Secondary battery and active material
US11888130B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2019 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Mar 17, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a secondary battery, an active material, a method for preparing the same, and a lithium secondary battery including the same. In an embodiment, provided is a secondary battery including a positive electrode, a negative electrode and an electrolyte, wherein the secondary battery further includes a reaction-inducing substance located in any one of the positive electrode, the negative electrode and the electrolyte, wherein the reaction-inducing substance forms a reaction product by consuming thermal energy when exposed to a predetermined temperature or higher in a use environment of the secondary battery, thereby improving thermal safety of the secondary battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.