Reversible Oxygen-Ion Storage for Solid Oxide Cells
In a rechargeable oxide battery (ROB) a solid oxide cell (SOC) is combined with an integrated iron oxide base storage for oxygen ions. The cell is operated at 800°C alternately as fuel cell and as electrolyser and the storage material regulates the oxygen partial pressure at the fuel electrode in a...
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| Veröffentlicht in: | ECS transactions 2015, Vol.68 (1), p.3241-3251 |
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| creator | Berger, Cornelius M. Hospach, Andreas Menzler, Norbert H. Guillon, Olivier Bram, Martin |
| description | In a rechargeable oxide battery (ROB) a solid oxide cell (SOC) is combined with an integrated iron oxide base storage for oxygen ions. The cell is operated at 800°C alternately as fuel cell and as electrolyser and the storage material regulates the oxygen partial pressure at the fuel electrode in a range of approximately 10
-21
-10
-18
bar. Repeated charging (electrolysis) and discharging (fuel cell mode) can lead to a degradation of the storage material (particle coarsening, layer formation). In this study the influence of additions of Al
2
O
3
, CeO
2
, Mn
3
O
4
, Cr
2
O
3
, TiO
2
, SiO
2
, and
MgO to the Fe
2
O
3
base on these detrimental effects is analysed. Hence, compacted samples are repeatedly oxidised and reduced in a laboratory furnace, where the conditions present in the ROB are simulated. Using XRD and laser microscopy it was found that among the tested oxides only MgO and Al
2
O
3
could mitigate the degradation phenomena to some extent. |
| doi_str_mv | 10.1149/06801.3241ecst |
| format | Article |
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-21
-10
-18
bar. Repeated charging (electrolysis) and discharging (fuel cell mode) can lead to a degradation of the storage material (particle coarsening, layer formation). In this study the influence of additions of Al
2
O
3
, CeO
2
, Mn
3
O
4
, Cr
2
O
3
, TiO
2
, SiO
2
, and
MgO to the Fe
2
O
3
base on these detrimental effects is analysed. Hence, compacted samples are repeatedly oxidised and reduced in a laboratory furnace, where the conditions present in the ROB are simulated. Using XRD and laser microscopy it was found that among the tested oxides only MgO and Al
2
O
3
could mitigate the degradation phenomena to some extent.</description><identifier>ISSN: 1938-5862</identifier><identifier>EISSN: 1938-6737</identifier><identifier>DOI: 10.1149/06801.3241ecst</identifier><language>eng</language><ispartof>ECS transactions, 2015, Vol.68 (1), p.3241-3251</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c231t-bb7986314bd57b26fdb7c7f07e9fa6b32bd8d6bf88583385c47d8432c4daa27d3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,4012,27906,27907,27908</link.rule.ids></links><search><creatorcontrib>Berger, Cornelius M.</creatorcontrib><creatorcontrib>Hospach, Andreas</creatorcontrib><creatorcontrib>Menzler, Norbert H.</creatorcontrib><creatorcontrib>Guillon, Olivier</creatorcontrib><creatorcontrib>Bram, Martin</creatorcontrib><title>Reversible Oxygen-Ion Storage for Solid Oxide Cells</title><title>ECS transactions</title><description>In a rechargeable oxide battery (ROB) a solid oxide cell (SOC) is combined with an integrated iron oxide base storage for oxygen ions. The cell is operated at 800°C alternately as fuel cell and as electrolyser and the storage material regulates the oxygen partial pressure at the fuel electrode in a range of approximately 10
-21
-10
-18
bar. Repeated charging (electrolysis) and discharging (fuel cell mode) can lead to a degradation of the storage material (particle coarsening, layer formation). In this study the influence of additions of Al
2
O
3
, CeO
2
, Mn
3
O
4
, Cr
2
O
3
, TiO
2
, SiO
2
, and
MgO to the Fe
2
O
3
base on these detrimental effects is analysed. Hence, compacted samples are repeatedly oxidised and reduced in a laboratory furnace, where the conditions present in the ROB are simulated. Using XRD and laser microscopy it was found that among the tested oxides only MgO and Al
2
O
3
could mitigate the degradation phenomena to some extent.</description><issn>1938-5862</issn><issn>1938-6737</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo1j81KAzEYRYNYsLZuXecFMib5MklmKYM_hULB6nrIz5cyMnYkGcS-vdXW1b1wORcOIbeCV0Ko5o5ry0UFUgkMZbogc9GAZdqAuTz32mp5Ra5LeedcHxkzJ_CCX5hL7wekm-_DDvdsNe7pdhqz2yFNY6bbcejjcewj0haHoSzJLLmh4M05F-Tt8eG1fWbrzdOqvV-zIEFMzHvTWA1C-VgbL3WK3gSTuMEmOe1B-mij9sna2gLYOigTrQIZVHROmggLUp1-Qx5LyZi6z9x_uHzoBO9-lbs_5e5fGX4AuTJJyw</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>Berger, Cornelius M.</creator><creator>Hospach, Andreas</creator><creator>Menzler, Norbert H.</creator><creator>Guillon, Olivier</creator><creator>Bram, Martin</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2015</creationdate><title>Reversible Oxygen-Ion Storage for Solid Oxide Cells</title><author>Berger, Cornelius M. ; Hospach, Andreas ; Menzler, Norbert H. ; Guillon, Olivier ; Bram, Martin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c231t-bb7986314bd57b26fdb7c7f07e9fa6b32bd8d6bf88583385c47d8432c4daa27d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Berger, Cornelius M.</creatorcontrib><creatorcontrib>Hospach, Andreas</creatorcontrib><creatorcontrib>Menzler, Norbert H.</creatorcontrib><creatorcontrib>Guillon, Olivier</creatorcontrib><creatorcontrib>Bram, Martin</creatorcontrib><collection>CrossRef</collection><jtitle>ECS transactions</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Berger, Cornelius M.</au><au>Hospach, Andreas</au><au>Menzler, Norbert H.</au><au>Guillon, Olivier</au><au>Bram, Martin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reversible Oxygen-Ion Storage for Solid Oxide Cells</atitle><jtitle>ECS transactions</jtitle><date>2015</date><risdate>2015</risdate><volume>68</volume><issue>1</issue><spage>3241</spage><epage>3251</epage><pages>3241-3251</pages><issn>1938-5862</issn><eissn>1938-6737</eissn><abstract>In a rechargeable oxide battery (ROB) a solid oxide cell (SOC) is combined with an integrated iron oxide base storage for oxygen ions. The cell is operated at 800°C alternately as fuel cell and as electrolyser and the storage material regulates the oxygen partial pressure at the fuel electrode in a range of approximately 10
-21
-10
-18
bar. Repeated charging (electrolysis) and discharging (fuel cell mode) can lead to a degradation of the storage material (particle coarsening, layer formation). In this study the influence of additions of Al
2
O
3
, CeO
2
, Mn
3
O
4
, Cr
2
O
3
, TiO
2
, SiO
2
, and
MgO to the Fe
2
O
3
base on these detrimental effects is analysed. Hence, compacted samples are repeatedly oxidised and reduced in a laboratory furnace, where the conditions present in the ROB are simulated. Using XRD and laser microscopy it was found that among the tested oxides only MgO and Al
2
O
3
could mitigate the degradation phenomena to some extent.</abstract><doi>10.1149/06801.3241ecst</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1938-5862 |
| ispartof | ECS transactions, 2015, Vol.68 (1), p.3241-3251 |
| issn | 1938-5862 1938-6737 |
| language | eng |
| recordid | cdi_crossref_primary_10_1149_06801_3241ecst |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| title | Reversible Oxygen-Ion Storage for Solid Oxide Cells |
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