Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis
Herein, we show that group 11 CO[subscript 2] reduction catalysts are rapidly poisoned by progressive deposition of trace metal ion impurities present in high purity electrolytes. Metal impurity deposition was characterized by XPS and in situ stripping voltammetry and is coincident with loss of cata...
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| Format: | Article |
| Language: | en_US |
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American Chemical Society (ACS)
2016
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| Online Access: | http://hdl.handle.net/1721.1/103935 https://orcid.org/0000-0001-9519-7907 https://orcid.org/0000-0003-1016-3420 |
| _version_ | 1811090856521760768 |
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| author | Wuttig, Anna Surendranath, Yogesh |
| author2 | Massachusetts Institute of Technology. Department of Chemistry |
| author_facet | Massachusetts Institute of Technology. Department of Chemistry Wuttig, Anna Surendranath, Yogesh |
| author_sort | Wuttig, Anna |
| collection | MIT |
| description | Herein, we show that group 11 CO[subscript 2] reduction catalysts are rapidly poisoned by progressive deposition of trace metal ion impurities present in high purity electrolytes. Metal impurity deposition was characterized by XPS and in situ stripping voltammetry and is coincident with loss of catalytic activity and selectivity for CO[subscript 2] reduction, favoring hydrogen evolution on poisoned surfaces. Metal deposition can be suppressed by complexing trace metal ion impurities with ethylenediaminetetraacetic acid or solid-supported iminodiacetate resins. Metal ion complexation allows for reproducible, sustained catalytic activity and selectivity for CO[subscript 2] reduction on Au, Ag, and Cu electrodes. Together, this study establishes the principal mode by which group 11 CO[subscript 2] reduction catalysts are poisoned and lays out a general approach for extending the lifetime of electrocatalysts subject to impurity metal deposition. |
| first_indexed | 2024-09-23T14:53:03Z |
| format | Article |
| id | mit-1721.1/103935 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T14:53:03Z |
| publishDate | 2016 |
| publisher | American Chemical Society (ACS) |
| record_format | dspace |
| spelling | mit-1721.1/1039352022-09-29T11:13:33Z Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis Wuttig, Anna Surendranath, Yogesh Massachusetts Institute of Technology. Department of Chemistry Surendranath, Yogesh Wuttig, Anna Surendranath, Yogesh Herein, we show that group 11 CO[subscript 2] reduction catalysts are rapidly poisoned by progressive deposition of trace metal ion impurities present in high purity electrolytes. Metal impurity deposition was characterized by XPS and in situ stripping voltammetry and is coincident with loss of catalytic activity and selectivity for CO[subscript 2] reduction, favoring hydrogen evolution on poisoned surfaces. Metal deposition can be suppressed by complexing trace metal ion impurities with ethylenediaminetetraacetic acid or solid-supported iminodiacetate resins. Metal ion complexation allows for reproducible, sustained catalytic activity and selectivity for CO[subscript 2] reduction on Au, Ag, and Cu electrodes. Together, this study establishes the principal mode by which group 11 CO[subscript 2] reduction catalysts are poisoned and lays out a general approach for extending the lifetime of electrocatalysts subject to impurity metal deposition. MIT Energy Initiative (Saudi Aramco, research agreement) United States. Air Force Office of Scientific Research (Award FA9550-15-1-0135) Massachusetts Institute of Technology. Department of Chemistry (Junior Faculty Funds) National Science Foundation (U.S.) (Predoctoral Fellowship) National Science Foundation (U.S.) (MIT MRSEC Program, award number DMR-0819762) 2016-08-16T17:30:45Z 2016-08-16T17:30:45Z 2015-06 2015-05 Article http://purl.org/eprint/type/JournalArticle 2155-5435 http://hdl.handle.net/1721.1/103935 Wuttig, Anna, and Yogesh Surendranath. “Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis.” ACS Catalysis 5, no. 7 (July 2, 2015): 4479-4484. https://orcid.org/0000-0001-9519-7907 https://orcid.org/0000-0003-1016-3420 en_US http://dx.doi.org/10.1021/acscatal.5b00808 ACS Catalysis Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Chemical Society (ACS) Prof. Surendranath via Erja Kajosalo |
| spellingShingle | Wuttig, Anna Surendranath, Yogesh Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis |
| title | Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis |
| title_full | Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis |
| title_fullStr | Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis |
| title_full_unstemmed | Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis |
| title_short | Impurity Ion Complexation Enhances Carbon Dioxide Reduction Catalysis |
| title_sort | impurity ion complexation enhances carbon dioxide reduction catalysis |
| url | http://hdl.handle.net/1721.1/103935 https://orcid.org/0000-0001-9519-7907 https://orcid.org/0000-0003-1016-3420 |
| work_keys_str_mv | AT wuttiganna impurityioncomplexationenhancescarbondioxidereductioncatalysis AT surendranathyogesh impurityioncomplexationenhancescarbondioxidereductioncatalysis |