一种原位固化软包电池的制备方法及原位固化软包电池
By introducing constant pressure wetting and variable pressure heating processes into the in-situ curing process, the problem of poor contact between the polymer electrolyte and the electrode interface was solved, and the electrolyte was uniformly distributed in the electrode, thus improving the electrochemical performance of the soft-pack battery.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI INST OF SPACE POWER SOURCES
- Filing Date
- 2022-10-26
- Publication Date
- 2026-07-17
AI Technical Summary
In existing in-situ curing processes, poor contact between the polymer electrolyte and the electrode interface leads to a decline in battery performance, especially in pouch cells where problems such as pores and uneven electrolyte distribution are prone to occur.
The process employs constant pressure impregnation and variable pressure heating. Impregnation is carried out in a pressure tank at constant temperature and pressure, followed by slope-type variable pressure heating on a hot press. This optimizes the interfacial contact between the polymer electrolyte and the electrode, and multiple vacuuming operations ensure uniform distribution of the electrolyte.
It improves the uniformity of polymer electrolyte distribution in the electrode, shortens the electrolyte wetting time, reduces interfacial impedance, and improves the electrochemical performance of the battery, making it suitable for performance enhancement of conventional pouch batteries.
Smart Images
Figure CN115799599B_ABST