http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-WO2019088302-A1
Outgoing Links
| Predicate | Object |
|---|---|
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| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G25-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G25-006 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01G25-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J35-002 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J21-066 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F01N3-101 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F01N3-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J35-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J21-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-94 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-63 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G25-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-94 |
| filingDate | 2018-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-WO2019088302-A1 |
| titleOfInvention | Oxygen storage/release material, catalyst, exhaust gas purification system, and exhaust gas treatment method |
| abstract | The problem to be solved by the present invention is to provide an oxygen storage/release material composed of ceria/zirconia-based composite oxide having improved HC and NOx purification performance, and a three-way catalyst capable of reducing NOx emission. Then, in order to solve the problem, a ceria-zirconia composite oxide, Gd 2 O 3 of 0.1 mol% or more, comprising less than 20mol%, 2 × 10 -5 S in ion conductivity 400 ° C. /Cm 2 or more oxygen absorbing/releasing material. Further, in addition to the above, the molar ratio of cerium and zirconium is 0.2 or more and 0.6 or less in terms of cerium/(cerium+zirconium), and the oxygen absorption/desorption rate (OSC rate) Δt 50 is 20.0 seconds or more, Alternatively, an oxygen storage/release material having characteristics such as an oxygen storage/release amount (OSC amount) of 300 μmol-O 2 /g or more was obtained. Furthermore, by applying the oxygen storage/release material to a catalyst, it is possible to help purify exhaust gas that changes momentarily according to the running state, and to obtain a catalyst having a higher noble metal toxic component purification performance than ever. In particular, it is possible to obtain an automobile exhaust gas purification system with excellent CO, NOx, and HC purification performance. |
| priorityDate | 2017-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 92.