A study of corrosion stability of 50PtCoCr/C cathode catalyst
The corrosion stability (under the chemical effect of acid environment and cycling of electrode potential) of 50 wt % PtCoCr/C trimetallic cathode catalyst has been studied. It is proposed that the dominant mode of degradation is dissolution of platinum nanoparticles and their redeposition on a surf...
Gespeichert in:
Veröffentlicht in: | Protection of metals and physical chemistry of surfaces 2015-12, Vol.51 (7), p.1185-1193 |
---|---|
Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
container_end_page | 1193 |
---|---|
container_issue | 7 |
container_start_page | 1185 |
container_title | Protection of metals and physical chemistry of surfaces |
container_volume | 51 |
creator | Bogdanovskaya, V. A. Zhutaeva, G. V. Radina, M. V. Tarasevich, M. R. |
description | The corrosion stability (under the chemical effect of acid environment and cycling of electrode potential) of 50 wt % PtCoCr/C trimetallic cathode catalyst has been studied. It is proposed that the dominant mode of degradation is dissolution of platinum nanoparticles and their redeposition on a surface. The values of activation energy of electrolytic reduction of molecular oxygen on 50 wt % PtCoCr/C catalysts, as well as the activation energy of its corrosion in 0.5 M H
2
SO
4
solution, have been determined. The high corrosion stability of PtCoCr/C catalyst is attributed to the lower extent of filling of platinum surface with oxygen-containing particles (
Q
O
/2
Q
H
), which constitute the initial stage of platinum dissolution. It has been shown that the decrease in mass activity in electrolytic reduction of O
2
during cycling of potential at 20°C up to 4000 cycles is 15%, which is significantly higher than for the monoplatinum system. The above-proposed mechanism of catalyst degradation in model experiments can lead to permanent loss of Pt ions in electrolyte bulk. In the case of measurements in a fuel cell (FC), a degradation mechanism described as dissolution of platinum nanoparticles and their redeposition on surface can be accompanied (as a consequence of a low amount of electrolyte in the FC) with redeposition of platinum particles in polymeric electrolyte. |
doi_str_mv | 10.1134/S2070205115070035 |
format | Article |
fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1770276977</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>3855878021</sourcerecordid><originalsourceid>FETCH-LOGICAL-c301t-7bc43b62d42c0d3df16ca29e4732abd8fdd56fe147bffe4da00ab23fe941dda53</originalsourceid><addsrcrecordid>eNp1kEtLw0AUhQdRsFZ_gLuAGzexd16ZZuGiBF9QUFDBXZjMQ1PSTJ2ZLPLvnVoRUVzdy-E7h3suQqcYLjCmbPZIQAABjjFPC1C-hyZbKSdQvOx_7xwfoqMQVgBFIeZigi4XWYiDHjNnM-W8d6F1fZJk03Zt_JQ5PMTKVX5WZUrGN6fNdspuDPEYHVjZBXPyNafo-frqqbrNl_c3d9VimSsKOOaiUYw2BdGMKNBUW1woSUrDBCWy0XOrNS-swUw01hqmJYBsCLWmZFhryekUne9yN969DybEet0GZbpO9sYNocYilRdFKURCz36hKzf4Pl2XKFJSKCnFicI7SqXGwRtbb3y7ln6sMdTbh9Z_Hpo8ZOcJie1fjf-R_K_pA2TBdhs</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1729309331</pqid></control><display><type>article</type><title>A study of corrosion stability of 50PtCoCr/C cathode catalyst</title><source>SpringerLink Journals - AutoHoldings</source><creator>Bogdanovskaya, V. A. ; Zhutaeva, G. V. ; Radina, M. V. ; Tarasevich, M. R.</creator><creatorcontrib>Bogdanovskaya, V. A. ; Zhutaeva, G. V. ; Radina, M. V. ; Tarasevich, M. R.</creatorcontrib><description>The corrosion stability (under the chemical effect of acid environment and cycling of electrode potential) of 50 wt % PtCoCr/C trimetallic cathode catalyst has been studied. It is proposed that the dominant mode of degradation is dissolution of platinum nanoparticles and their redeposition on a surface. The values of activation energy of electrolytic reduction of molecular oxygen on 50 wt % PtCoCr/C catalysts, as well as the activation energy of its corrosion in 0.5 M H
2
SO
4
solution, have been determined. The high corrosion stability of PtCoCr/C catalyst is attributed to the lower extent of filling of platinum surface with oxygen-containing particles (
Q
O
/2
Q
H
), which constitute the initial stage of platinum dissolution. It has been shown that the decrease in mass activity in electrolytic reduction of O
2
during cycling of potential at 20°C up to 4000 cycles is 15%, which is significantly higher than for the monoplatinum system. The above-proposed mechanism of catalyst degradation in model experiments can lead to permanent loss of Pt ions in electrolyte bulk. In the case of measurements in a fuel cell (FC), a degradation mechanism described as dissolution of platinum nanoparticles and their redeposition on surface can be accompanied (as a consequence of a low amount of electrolyte in the FC) with redeposition of platinum particles in polymeric electrolyte.</description><identifier>ISSN: 2070-2051</identifier><identifier>EISSN: 2070-206X</identifier><identifier>DOI: 10.1134/S2070205115070035</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Activation energy ; Alloys ; Catalysts ; Cathodes ; Cathodic dissolution ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Corrosion ; Corrosion and Coatings ; Corrosion effects ; Corrosion in the Processes of Hydrogen Energetics ; Corrosion potential ; Corrosion tests ; Cycles ; Degradation ; Dissolution ; Electrodes ; Electrolytes ; Fuel cells ; Industrial Chemistry/Chemical Engineering ; Inorganic Chemistry ; Materials Science ; Mathematical models ; Metallic Materials ; Nanoparticles ; Oxygen ; Physical chemistry ; Platinum ; Reduction (electrolytic) ; Stability ; Surface stability ; Systems stability ; Tribology</subject><ispartof>Protection of metals and physical chemistry of surfaces, 2015-12, Vol.51 (7), p.1185-1193</ispartof><rights>Pleiades Publishing, Ltd. 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c301t-7bc43b62d42c0d3df16ca29e4732abd8fdd56fe147bffe4da00ab23fe941dda53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S2070205115070035$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S2070205115070035$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Bogdanovskaya, V. A.</creatorcontrib><creatorcontrib>Zhutaeva, G. V.</creatorcontrib><creatorcontrib>Radina, M. V.</creatorcontrib><creatorcontrib>Tarasevich, M. R.</creatorcontrib><title>A study of corrosion stability of 50PtCoCr/C cathode catalyst</title><title>Protection of metals and physical chemistry of surfaces</title><addtitle>Prot Met Phys Chem Surf</addtitle><description>The corrosion stability (under the chemical effect of acid environment and cycling of electrode potential) of 50 wt % PtCoCr/C trimetallic cathode catalyst has been studied. It is proposed that the dominant mode of degradation is dissolution of platinum nanoparticles and their redeposition on a surface. The values of activation energy of electrolytic reduction of molecular oxygen on 50 wt % PtCoCr/C catalysts, as well as the activation energy of its corrosion in 0.5 M H
2
SO
4
solution, have been determined. The high corrosion stability of PtCoCr/C catalyst is attributed to the lower extent of filling of platinum surface with oxygen-containing particles (
Q
O
/2
Q
H
), which constitute the initial stage of platinum dissolution. It has been shown that the decrease in mass activity in electrolytic reduction of O
2
during cycling of potential at 20°C up to 4000 cycles is 15%, which is significantly higher than for the monoplatinum system. The above-proposed mechanism of catalyst degradation in model experiments can lead to permanent loss of Pt ions in electrolyte bulk. In the case of measurements in a fuel cell (FC), a degradation mechanism described as dissolution of platinum nanoparticles and their redeposition on surface can be accompanied (as a consequence of a low amount of electrolyte in the FC) with redeposition of platinum particles in polymeric electrolyte.</description><subject>Activation energy</subject><subject>Alloys</subject><subject>Catalysts</subject><subject>Cathodes</subject><subject>Cathodic dissolution</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Corrosion</subject><subject>Corrosion and Coatings</subject><subject>Corrosion effects</subject><subject>Corrosion in the Processes of Hydrogen Energetics</subject><subject>Corrosion potential</subject><subject>Corrosion tests</subject><subject>Cycles</subject><subject>Degradation</subject><subject>Dissolution</subject><subject>Electrodes</subject><subject>Electrolytes</subject><subject>Fuel cells</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Inorganic Chemistry</subject><subject>Materials Science</subject><subject>Mathematical models</subject><subject>Metallic Materials</subject><subject>Nanoparticles</subject><subject>Oxygen</subject><subject>Physical chemistry</subject><subject>Platinum</subject><subject>Reduction (electrolytic)</subject><subject>Stability</subject><subject>Surface stability</subject><subject>Systems stability</subject><subject>Tribology</subject><issn>2070-2051</issn><issn>2070-206X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kEtLw0AUhQdRsFZ_gLuAGzexd16ZZuGiBF9QUFDBXZjMQ1PSTJ2ZLPLvnVoRUVzdy-E7h3suQqcYLjCmbPZIQAABjjFPC1C-hyZbKSdQvOx_7xwfoqMQVgBFIeZigi4XWYiDHjNnM-W8d6F1fZJk03Zt_JQ5PMTKVX5WZUrGN6fNdspuDPEYHVjZBXPyNafo-frqqbrNl_c3d9VimSsKOOaiUYw2BdGMKNBUW1woSUrDBCWy0XOrNS-swUw01hqmJYBsCLWmZFhryekUne9yN969DybEet0GZbpO9sYNocYilRdFKURCz36hKzf4Pl2XKFJSKCnFicI7SqXGwRtbb3y7ln6sMdTbh9Z_Hpo8ZOcJie1fjf-R_K_pA2TBdhs</recordid><startdate>20151201</startdate><enddate>20151201</enddate><creator>Bogdanovskaya, V. A.</creator><creator>Zhutaeva, G. V.</creator><creator>Radina, M. V.</creator><creator>Tarasevich, M. R.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7SE</scope></search><sort><creationdate>20151201</creationdate><title>A study of corrosion stability of 50PtCoCr/C cathode catalyst</title><author>Bogdanovskaya, V. A. ; Zhutaeva, G. V. ; Radina, M. V. ; Tarasevich, M. R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c301t-7bc43b62d42c0d3df16ca29e4732abd8fdd56fe147bffe4da00ab23fe941dda53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Activation energy</topic><topic>Alloys</topic><topic>Catalysts</topic><topic>Cathodes</topic><topic>Cathodic dissolution</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Corrosion</topic><topic>Corrosion and Coatings</topic><topic>Corrosion effects</topic><topic>Corrosion in the Processes of Hydrogen Energetics</topic><topic>Corrosion potential</topic><topic>Corrosion tests</topic><topic>Cycles</topic><topic>Degradation</topic><topic>Dissolution</topic><topic>Electrodes</topic><topic>Electrolytes</topic><topic>Fuel cells</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Inorganic Chemistry</topic><topic>Materials Science</topic><topic>Mathematical models</topic><topic>Metallic Materials</topic><topic>Nanoparticles</topic><topic>Oxygen</topic><topic>Physical chemistry</topic><topic>Platinum</topic><topic>Reduction (electrolytic)</topic><topic>Stability</topic><topic>Surface stability</topic><topic>Systems stability</topic><topic>Tribology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bogdanovskaya, V. A.</creatorcontrib><creatorcontrib>Zhutaeva, G. V.</creatorcontrib><creatorcontrib>Radina, M. V.</creatorcontrib><creatorcontrib>Tarasevich, M. R.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Corrosion Abstracts</collection><jtitle>Protection of metals and physical chemistry of surfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bogdanovskaya, V. A.</au><au>Zhutaeva, G. V.</au><au>Radina, M. V.</au><au>Tarasevich, M. R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A study of corrosion stability of 50PtCoCr/C cathode catalyst</atitle><jtitle>Protection of metals and physical chemistry of surfaces</jtitle><stitle>Prot Met Phys Chem Surf</stitle><date>2015-12-01</date><risdate>2015</risdate><volume>51</volume><issue>7</issue><spage>1185</spage><epage>1193</epage><pages>1185-1193</pages><issn>2070-2051</issn><eissn>2070-206X</eissn><abstract>The corrosion stability (under the chemical effect of acid environment and cycling of electrode potential) of 50 wt % PtCoCr/C trimetallic cathode catalyst has been studied. It is proposed that the dominant mode of degradation is dissolution of platinum nanoparticles and their redeposition on a surface. The values of activation energy of electrolytic reduction of molecular oxygen on 50 wt % PtCoCr/C catalysts, as well as the activation energy of its corrosion in 0.5 M H
2
SO
4
solution, have been determined. The high corrosion stability of PtCoCr/C catalyst is attributed to the lower extent of filling of platinum surface with oxygen-containing particles (
Q
O
/2
Q
H
), which constitute the initial stage of platinum dissolution. It has been shown that the decrease in mass activity in electrolytic reduction of O
2
during cycling of potential at 20°C up to 4000 cycles is 15%, which is significantly higher than for the monoplatinum system. The above-proposed mechanism of catalyst degradation in model experiments can lead to permanent loss of Pt ions in electrolyte bulk. In the case of measurements in a fuel cell (FC), a degradation mechanism described as dissolution of platinum nanoparticles and their redeposition on surface can be accompanied (as a consequence of a low amount of electrolyte in the FC) with redeposition of platinum particles in polymeric electrolyte.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S2070205115070035</doi><tpages>9</tpages></addata></record> |
fulltext | fulltext |
identifier | ISSN: 2070-2051 |
ispartof | Protection of metals and physical chemistry of surfaces, 2015-12, Vol.51 (7), p.1185-1193 |
issn | 2070-2051 2070-206X |
language | eng |
recordid | cdi_proquest_miscellaneous_1770276977 |
source | SpringerLink Journals - AutoHoldings |
subjects | Activation energy Alloys Catalysts Cathodes Cathodic dissolution Characterization and Evaluation of Materials Chemistry and Materials Science Corrosion Corrosion and Coatings Corrosion effects Corrosion in the Processes of Hydrogen Energetics Corrosion potential Corrosion tests Cycles Degradation Dissolution Electrodes Electrolytes Fuel cells Industrial Chemistry/Chemical Engineering Inorganic Chemistry Materials Science Mathematical models Metallic Materials Nanoparticles Oxygen Physical chemistry Platinum Reduction (electrolytic) Stability Surface stability Systems stability Tribology |
title | A study of corrosion stability of 50PtCoCr/C cathode catalyst |
url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-07T20%3A17%3A00IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=A%20study%20of%20corrosion%20stability%20of%2050PtCoCr/C%20cathode%20catalyst&rft.jtitle=Protection%20of%20metals%20and%20physical%20chemistry%20of%20surfaces&rft.au=Bogdanovskaya,%20V.%20A.&rft.date=2015-12-01&rft.volume=51&rft.issue=7&rft.spage=1185&rft.epage=1193&rft.pages=1185-1193&rft.issn=2070-2051&rft.eissn=2070-206X&rft_id=info:doi/10.1134/S2070205115070035&rft_dat=%3Cproquest_cross%3E3855878021%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1729309331&rft_id=info:pmid/&rfr_iscdi=true |