Study on the Inter-electrode Process of Aluminum Electrolysis
The voltage distribution between carbon anode and aluminum cathode in cryolite electrolyte saturated with alumina was determined using a scanning reference electrode to investigate the inter-electrode process during aluminum electrolysis. The results showed that the anode–cathode-distance (ACD) is c...
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| Veröffentlicht in: | Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2016-02, Vol.47 (1), p.621-629 |
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| container_title | Metallurgical and materials transactions. B, Process metallurgy and materials processing science |
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| creator | Yang, Youjian Gao, Bingliang Wang, Zhaowen Shi, Zhongning Hu, Xianwei |
| description | The voltage distribution between carbon anode and aluminum cathode in cryolite electrolyte saturated with alumina was determined using a scanning reference electrode to investigate the inter-electrode process during aluminum electrolysis. The results showed that the anode–cathode-distance (ACD) is consisted of three parts: a relatively stable cathode boundary layer, bubble-free electrolyte layer, and gas–liquid layer near the anode. The aluminum diffusion layer with high electronic conductivity as well as the crystallization of cryolite was observed at the cathode boundary layer. The thickness of the aluminum diffusion layer varied with current density, which further determined the critical ACD. The thickness, coverage, and releasing frequency of the bubbles on both laboratory and industrial prebaked cells were derived, and it is found that the average bubble coverage decreases with current density, and the average coverage at 0.8 A cm
−2
is approximately 50 pct. |
| doi_str_mv | 10.1007/s11663-015-0508-6 |
| format | Article |
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−2
is approximately 50 pct.</description><identifier>ISSN: 1073-5615</identifier><identifier>EISSN: 1543-1916</identifier><identifier>DOI: 10.1007/s11663-015-0508-6</identifier><identifier>CODEN: MTTBCR</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Aluminum ; Anodes ; Bubbles ; Cathodes ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Cryolite ; Current density ; Diffusion layers ; Electrodes ; Electrolysis ; Materials Science ; Metallic Materials ; Metallurgy ; Nanotechnology ; Structural Materials ; Surfaces and Interfaces ; Thin Films</subject><ispartof>Metallurgical and materials transactions. B, Process metallurgy and materials processing science, 2016-02, Vol.47 (1), p.621-629</ispartof><rights>The Minerals, Metals & Materials Society and ASM International 2015</rights><rights>The Minerals, Metals & Materials Society and ASM International 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c460t-4c1fe33f9db7c3609c809b7630db064c157486c8c10132f9250bc2b1944e0d013</citedby><cites>FETCH-LOGICAL-c460t-4c1fe33f9db7c3609c809b7630db064c157486c8c10132f9250bc2b1944e0d013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11663-015-0508-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11663-015-0508-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27915,27916,41479,42548,51310</link.rule.ids></links><search><creatorcontrib>Yang, Youjian</creatorcontrib><creatorcontrib>Gao, Bingliang</creatorcontrib><creatorcontrib>Wang, Zhaowen</creatorcontrib><creatorcontrib>Shi, Zhongning</creatorcontrib><creatorcontrib>Hu, Xianwei</creatorcontrib><title>Study on the Inter-electrode Process of Aluminum Electrolysis</title><title>Metallurgical and materials transactions. B, Process metallurgy and materials processing science</title><addtitle>Metall Mater Trans B</addtitle><description>The voltage distribution between carbon anode and aluminum cathode in cryolite electrolyte saturated with alumina was determined using a scanning reference electrode to investigate the inter-electrode process during aluminum electrolysis. The results showed that the anode–cathode-distance (ACD) is consisted of three parts: a relatively stable cathode boundary layer, bubble-free electrolyte layer, and gas–liquid layer near the anode. The aluminum diffusion layer with high electronic conductivity as well as the crystallization of cryolite was observed at the cathode boundary layer. The thickness of the aluminum diffusion layer varied with current density, which further determined the critical ACD. The thickness, coverage, and releasing frequency of the bubbles on both laboratory and industrial prebaked cells were derived, and it is found that the average bubble coverage decreases with current density, and the average coverage at 0.8 A cm
−2
is approximately 50 pct.</description><subject>Aluminum</subject><subject>Anodes</subject><subject>Bubbles</subject><subject>Cathodes</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Cryolite</subject><subject>Current density</subject><subject>Diffusion layers</subject><subject>Electrodes</subject><subject>Electrolysis</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Metallurgy</subject><subject>Nanotechnology</subject><subject>Structural Materials</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><issn>1073-5615</issn><issn>1543-1916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kMFKxDAQhoMouK4-gLeAFy_RmaZJmoOHZVl1YUFBPYdtmmqXttGkPezbm6UeRPCUIfPNP8NHyCXCDQKo24goJWeAgoGAgskjMkORc4Ya5XGqQXEmJIpTchbjDgCk1nxG7l6GsdpT39Phw9F1P7jAXOvsEHzl6HPw1sVIfU0X7dg1_djR1dRt97GJ5-Sk3rbRXfy8c_J2v3pdPrLN08N6udgwm0sYWG6xdpzXuiqV5RK0LUCXSnKoSpCpK1ReSFtYBORZrTMBpc1K1HnuoEp_c3I95X4G_zW6OJiuida17bZ3fowGleZZnhVJwZxc_UF3fgx9ui5RIu3lSqhE4UTZ4GMMrjafoem2YW8QzEGomYSaJNQchJpDcjbNxMT27y78Sv536BvltnY0</recordid><startdate>20160201</startdate><enddate>20160201</enddate><creator>Yang, Youjian</creator><creator>Gao, Bingliang</creator><creator>Wang, Zhaowen</creator><creator>Shi, Zhongning</creator><creator>Hu, Xianwei</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><scope>S0X</scope></search><sort><creationdate>20160201</creationdate><title>Study on the Inter-electrode Process of Aluminum Electrolysis</title><author>Yang, Youjian ; 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B, Process metallurgy and materials processing science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Youjian</au><au>Gao, Bingliang</au><au>Wang, Zhaowen</au><au>Shi, Zhongning</au><au>Hu, Xianwei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on the Inter-electrode Process of Aluminum Electrolysis</atitle><jtitle>Metallurgical and materials transactions. B, Process metallurgy and materials processing science</jtitle><stitle>Metall Mater Trans B</stitle><date>2016-02-01</date><risdate>2016</risdate><volume>47</volume><issue>1</issue><spage>621</spage><epage>629</epage><pages>621-629</pages><issn>1073-5615</issn><eissn>1543-1916</eissn><coden>MTTBCR</coden><abstract>The voltage distribution between carbon anode and aluminum cathode in cryolite electrolyte saturated with alumina was determined using a scanning reference electrode to investigate the inter-electrode process during aluminum electrolysis. The results showed that the anode–cathode-distance (ACD) is consisted of three parts: a relatively stable cathode boundary layer, bubble-free electrolyte layer, and gas–liquid layer near the anode. The aluminum diffusion layer with high electronic conductivity as well as the crystallization of cryolite was observed at the cathode boundary layer. The thickness of the aluminum diffusion layer varied with current density, which further determined the critical ACD. The thickness, coverage, and releasing frequency of the bubbles on both laboratory and industrial prebaked cells were derived, and it is found that the average bubble coverage decreases with current density, and the average coverage at 0.8 A cm
−2
is approximately 50 pct.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11663-015-0508-6</doi><tpages>9</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Aluminum Anodes Bubbles Cathodes Characterization and Evaluation of Materials Chemistry and Materials Science Cryolite Current density Diffusion layers Electrodes Electrolysis Materials Science Metallic Materials Metallurgy Nanotechnology Structural Materials Surfaces and Interfaces Thin Films |
| title | Study on the Inter-electrode Process of Aluminum Electrolysis |
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