Method for manufacturing an electrode sheet
By using non-fibrillated particles mixed with binders in electrode manufacturing, damage to active material particles caused by high shear forces is avoided, thus solving the problem of deterioration in electrode resistance and achieving efficient manufacturing and performance improvement of electrode sheets.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TOYOTA JIDOSHA KK
- Filing Date
- 2025-11-26
- Publication Date
- 2026-06-02
AI Technical Summary
In the manufacturing of electrode sheets, existing technologies use high shear force to mix dry fibrillated adhesives and active material particles, which can easily lead to the breakage and surface peeling of the active material particles, resulting in a deterioration of the electrode sheet's resistance value.
Non-active material particles (non-fibrillated particles) are used as a medium or auxiliary material and mixed with a fibrillating adhesive to prepare an adhesive mixture. The mixture is then sheared at a temperature below the melting point of the non-fibrillated particles to avoid applying high shear force to the active material particles, thus forming an electrode mixture.
It effectively inhibits or avoids damage to active material particles, reduces the deterioration of electrode resistance, and improves the self-support and electrical performance of the electrode.
Smart Images
Figure CN122136296A_ABST