Rechargeable lithium battery
US12334517B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2023 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | May 24, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M2004/028
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a rechargeable lithium battery including a positive electrode including a positive active material layer; and a negative electrode including a negative active material layer and a negative functional layer on the negative active material layer, wherein the functional layer includes flake-shaped polyethylene particles, and the positive active material layer includes a first positive active material including one or more composite oxides of lithium and a metal selected from cobalt, manganese, nickel, and a combination thereof, and a second positive active material including a compound represented by Chemical Formula 1 and. In Chemical Formula 1, 0.90≤a≤1.8, 0≤x≤0.7, and M is Mg, Co, Ni, or a combination thereof. LiaFe1-xMxPO4 Chemical Formula 1
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.