{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,21]],"date-time":"2026-06-21T06:28:49Z","timestamp":1782023329526,"version":"3.54.5"},"reference-count":52,"publisher":"Wiley","issue":"22","license":[{"start":{"date-parts":[[2017,10,19]],"date-time":"2017-10-19T00:00:00Z","timestamp":1508371200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002808","name":"Carlsbergfondet","doi-asserted-by":"publisher","award":["CF15-0165"],"award-info":[{"award-number":["CF15-0165"]}],"id":[{"id":"10.13039\/501100002808","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemPhysChem"],"published-print":{"date-parts":[[2017,11,17]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this work, we propose four non\u2010coupled binding energies of intermediates as descriptors, or \u201cgenes\u201d, for predicting the product distribution in CO<jats:sub>2<\/jats:sub> electroreduction. Simple reactions can be understood by the Sabatier principle (catalytic activity vs. one descriptor), while more complex reactions tend to give multiple very different products and consequently the product selectivity is a more complex property to understand. We approach this, as a logistical classification problem, by grouping metals according to their major experimental product from CO<jats:sub>2<\/jats:sub> electroreduction: H<jats:sub>2<\/jats:sub>, CO, formic acid and beyond CO* (hydrocarbons or alcohols). We compare the groups in terms of multiple binding energies of intermediates calculated by density functional theory. Here, we find three descriptors to explain the grouping: the adsorption energies of H*, COOH*, and CO*. To further classify products beyond CO*, we carry out formaldehyde experiments on Cu, Ag, and Au and combine these results with the literature to group and differentiate alcohol or hydrocarbon products. We find that the oxygen binding (adsorption energy of CH<jats:sub>3<\/jats:sub>O*) is an additional descriptor to explain the alcohol formation in reduction processes. Finally, the adsorption energy of the four intermediates, H*, COOH*, CO*, and CH<jats:sub>3<\/jats:sub>O*, can be used to differentiate, group, and explain products in electrochemical reduction processes involving CO<jats:sub>2<\/jats:sub>, CO, and carbon\u2013oxygen compounds.<\/jats:p>","DOI":"10.1002\/cphc.201700736","type":"journal-article","created":{"date-parts":[[2017,9,5]],"date-time":"2017-09-05T07:28:41Z","timestamp":1504596521000},"page":"3266-3273","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1009,"title":["Electrochemical CO<sub>2<\/sub> Reduction: A Classification Problem"],"prefix":"10.1002","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6394-029X","authenticated-orcid":false,"given":"Alexander","family":"Bagger","sequence":"first","affiliation":[{"name":"Department of Chemistry University of Copenhagen  Universitetsparken 5 Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen","family":"Ju","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Chemical Engineering Division Technical University Berlin  10623 Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Sofia","family":"Varela","sequence":"additional","affiliation":[{"name":"Institute of Chemistry National Autonomous University of Mexico  Mexico City 04510 Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Strasser","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Chemical Engineering Division Technical University Berlin  10623 Berlin Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jan","family":"Rossmeisl","sequence":"additional","affiliation":[{"name":"Department of Chemistry University of Copenhagen  Universitetsparken 5 Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,10,19]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"crossref","unstructured":"B. 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