Electrode assembly and secondary battery comprising the same, battery module, battery pack and electrical device
US12160003B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2024 |
| Grant date | Dec 3, 2024 |
| Priority date | — |
| Expiry date | Mar 26, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrode assembly includes a water-based positive electrode plate and a negative electrode plate, wherein the water-based positive electrode plate includes a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector; and the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector; at least part of surface of the water-based positive electrode plate is provided with a plurality of first micropores, and satisfies: 0.001%≤(S12×H12×D1)/(S11×C1×H11)≤1%, at least part of surface of the negative electrode plate is provided with a plurality of second micropores, and satisfies: 0<(S22×H22×D2)/(S21×C2×H21)≤2.5%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.