Electrode and secondary battery including the same
US11430988B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2020 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jun 24, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrode and a secondary battery, the electrode including a conductive substrate; and a plurality of active material layers on the conductive substrate, wherein the plurality of active material layers includes a first active material layer and a second active material layer; the first active material layer is on the substrate, the second active material layer is on the first active material layer; the first active material layer includes a first active material and a first binder; the second active material includes a second active material and a second binder; the first active material layer or the second active material layer includes convex portions and concave portions, and the concave portions have a triangular cross section or a trapezoidal cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.