Method for manufacturing ceramic diaphragm for high-safety lithium ion battery
A lithium-ion battery, ceramic diaphragm technology, used in secondary batteries, battery pack parts, separators/films/diaphragms/spacers, etc., can solve the problem that the diaphragm cannot be thinner than 16μm, and achieve dimensional stability. , to maintain stability, the effect of stable strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] The preparation method includes the following steps:
[0016] 1) Ingredients, first dissolve PVDF-HFP (polyvinylidene fluoride-hexafluoropropylene) as a binder in NMP (N-methylpyrrolidone) to form a glue with a solid content of 5-10%, and then add it to the glue Add ceramic powder accounting for 1-3% of the weight of the glue into the liquid, and stir to form a suspension, then add acetone while stirring, dilute to a total solid content of 1-3%, and finally pass through a sand mill to form a suspension Standby; the ceramic powder is selected from spherical or spherical ceramic particles with a particle size ranging from 300nm to 700nm. The solvent of the present invention adopts the mixed solution of NMP and acetone, which can keep the stability of the solvent system.
[0017] 2) Coating: Coat the suspension prepared in step 1) on the polyolefin film by dippin...
PUM
Property | Measurement | Unit |
---|---|---|
Particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com