Secondary battery
US12021268B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2020 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Jun 20, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A secondary battery is provided, including an electrode assembly, a packaging bag, an electrode lead and an insulating member. The electrode assembly is housed in the packaging bag, an edge of the packaging bag has a sealing portion, and the electrode lead is connected to the electrode assembly and passes through the sealing portion; the sealing portion includes a main body region, a first step region and a first transition region, the first step region is located on two sides of the electrode lead in a thickness direction, the main body region and the first transition region are located on a same side of the first step region in a width direction, and the first transition region is connected between the first step region and the main body region; the insulating member surrounds an outer side of the electrode lead and isolates the sealing portion from the electrode lead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.