http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112886143-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-0525 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M50-449 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M50-497 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M50-491 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M50-403 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-0525 |
| filingDate | 2021-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2023-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2023-01-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112886143-B |
| titleOfInvention | Multi-layer structure composite diaphragm and preparation method thereof, as well as secondary battery and electrical equipment |
| abstract | This application relates to the field of battery diaphragms, and discloses a multilayer structure composite diaphragm and its preparation method, as well as secondary batteries and electrical equipment. The multilayer structure composite diaphragm includes a porous polymer base film, nano oxide particles and point polymers Coating; nano oxide particles are completely embedded in the pores of the porous polymer base film and attached to the filamentous structure of the porous polymer base film; the two sides of the porous polymer base film are provided with point-like polymer coatings. This application uses atomic layer deposition technology to introduce nano-scale oxide particles on the porous polymer base film, so that all oxide particles with good consistency can be embedded in the pores of the base film, without affecting the original lithium ion channels of the diaphragm. , improve the stability of the separator at high temperature, and also enhance the wettability of the separator to the electrolyte. In addition, the point-shaped polymer coating on both sides is more suitable for the existing lithium-ion production scene and improves the cycle performance of the battery. |
| priorityDate | 2021-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.