http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115172735-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e4463c01a3ae0fffbe8002848c98ac9b |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-485 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M10-4235 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M10-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-485 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-62 |
| filingDate | 2022-07-25^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_36ffc4868af316f802838d9f7255160d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bed0b61c643f10edf0bc4d96c356aea6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_05a939dd1cfce809ddff7020ebaf25d8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b6d2aa462c57c73bbd6d60dd007250c1 |
| publicationDate | 2022-10-11^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-115172735-A |
| titleOfInvention | A kind of method for improving fast charging performance of niobium pentoxide by aluminum doping, product and application thereof |
| abstract | The invention proposes a method for improving the fast charging performance of niobium pentoxide by using aluminum doping, that is, combining simple solvothermal and heat treatment processes, introducing a certain amount of O 2- vacancies and low oxygen vacancies through aluminum doping and reducing atmosphere treatment oxidation state Nb 4+ , a modified niobium pentoxide material with stable fast charging performance is prepared, and the ionic conductivity and electrical conductivity are improved. Due to the substitution of niobium ions by aluminum ions, the lattice stability of niobium pentoxide is improved, the undesirable transition of niobium ions in battery cycling is reduced, the capacity during fast charging is stabilized, and the fast charging cycle is improved. stability. When the modified niobium pentoxide material is used as the negative electrode of lithium ion battery, at a high current density of 20A g -1 , it can still maintain a reversible specific capacity of 82mAh g-1 after 9900 cycles, showing that it can be charged and discharged at a high rate. long-term stability of the process. The present invention provides a potential method for developing fast-charging electrode materials with high capacity and high structural stability. |
| priorityDate | 2022-07-25^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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