http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111477891-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-50 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-8882 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-8878 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01M4-926 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-88 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01M4-92 |
| filingDate | 2020-05-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111477891-B |
| titleOfInvention | Preparation method of nitrogen-doped porous hollow carbon sphere compound with low platinum loading capacity, product and application thereof |
| abstract | A preparation method of a nitrogen-doped porous hollow carbon sphere compound with low platinum loading capacity comprises the steps of firstly preparing a non-noble metal catalyst with good electrical activity on ORR, then depositing a small amount of platinum nanoparticles on the catalyst by a simple solution impregnation method, and finally stabilizing the platinum nanoparticles and forming a large amount of active sites through graphene coating treatment and heat treatment, thereby forming the highly stable, low platinum loading capacity and high activity ORR catalyst. Urea is used as a pore-forming agent to generate a large number of micropores on the hollow carbon spheres, so that the deposition of platinum nanoparticles is facilitated, and a large number of active sites are formed with cobalt, nitrogen and the like; since the cobalt-supported porous nitrogen-doped hollow carbon spheres have good ORR activity per se, even a small amount of platinum nanoparticles exist, the final catalyst has almost the same electrocatalytic activity as commercial platinum carbon. The novel electrocatalyst has wide application prospect in the fields of fuel cells, metal-air cells and the like. |
| priorityDate | 2020-05-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 56.