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To reach the Paris climate agreement, in the coming decades low emission technologies must be developed, which allow for carbon removal on a Gt per year\u2010scale. In this regard, we propose the electrochemical conversion of carbon dioxide to oxalic acid as a potentially viable pathway for large scale CO<jats:sub>2<\/jats:sub> utilization and storage. Combined with water oxidation, in principle this transformation does not need stoichiometric amounts of co\u2010reagents and minimize the necessary electrons for the reduction of carbon dioxide.<\/jats:p>","DOI":"10.1002\/cssc.202401199","type":"journal-article","created":{"date-parts":[[2024,12,4]],"date-time":"2024-12-04T09:11:29Z","timestamp":1733303489000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Proposing Oxalic Acid as Chemical Storage of Carbon Dioxide to Achieve Carbon Neutrality"],"prefix":"10.1002","volume":"18","author":[{"given":"Edson Leonardo","family":"Scarpa de Souza","sequence":"first","affiliation":[{"name":"Leibniz-Institut f\u00fcr Katalyse e. V.  Albert-Einstein-Str. 29a 18059 Rostock Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helfried","family":"Neumann","sequence":"additional","affiliation":[{"name":"Leibniz-Institut f\u00fcr Katalyse e. V.  Albert-Einstein-Str. 29a 18059 Rostock Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carlos","family":"Roque Duarte Correia","sequence":"additional","affiliation":[{"name":"Department of Organic Chemistry Institute of Chemistry University of Campinas, Josu\u00e9 de Castro  Campinas, S\u00e3o Paulo 10384-612 Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5709-0965","authenticated-orcid":false,"given":"Matthias","family":"Beller","sequence":"additional","affiliation":[{"name":"Leibniz-Institut f\u00fcr Katalyse e. V.  Albert-Einstein-Str. 29a 18059 Rostock Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,12,4]]},"reference":[{"key":"e_1_2_3_1_1","unstructured":"United Nation Department of Economic and Social Affairs Population Division (2022). 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Twardowski E.\u2005B. Cole J.\u2005J. Kaczur K. Teamey K.\u2005A. Keets R. Parajuli A. Bauer N. Sivasankar G. Leonard T.\u2005J. Kramer P. Majsztrik Y. Zhu Liquid Light Inc.; US9267212 B2 23. Feb.2016."},{"key":"e_1_2_3_71_1","doi-asserted-by":"publisher","DOI":"10.1039\/D2GC02411J"},{"key":"e_1_2_3_72_1","doi-asserted-by":"publisher","DOI":"10.1039\/C8CP07188H"},{"issue":"1","key":"e_1_2_3_73_1","first-page":"53","volume":"12","author":"An P.","year":"2022","journal-title":"Minerals"},{"key":"e_1_2_3_74_1","doi-asserted-by":"publisher","DOI":"10.1016\/0040-6031(87)88127-3"},{"key":"e_1_2_3_75_1","unstructured":"We thank the referee for pointing out these points and for the illustrative example."},{"key":"e_1_2_3_76_1","doi-asserted-by":"publisher","DOI":"10.1080\/00908319508946072"},{"key":"e_1_2_3_77_1","unstructured":"For comparison purposes we estimate the amount of energy generated by a natural gas power plant that emits 1\u2005million t of CO2. Clearly the amount of energy produced by a natural gas plant varies greatly depending on various factors such as the efficiency of the plant the type of technology used the exact composition of the natural gas and so on. However to give a general estimate we consider the following approximations: to produce 1\u2005kWh of energy 0.39\u2005kg of CO2 is produced. Thus 1 million tons of CO2 would be released after the production of 2.56\u00d7109\u2005kWh=9.23\u00d71015\u2005J=5.76\u00d71034\u2005eV. This is added as a footnote to the text."}],"container-title":["ChemSusChem"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/cssc.202401199","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,13]],"date-time":"2025-10-13T19:51:01Z","timestamp":1760385061000},"score":1,"resource":{"primary":{"URL":"https:\/\/chemistry-europe.onlinelibrary.wiley.com\/doi\/10.1002\/cssc.202401199"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,12,4]]},"references-count":77,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2025,2]]}},"alternative-id":["10.1002\/cssc.202401199"],"URL":"https:\/\/doi.org\/10.1002\/cssc.202401199","archive":["Portico"],"relation":{},"ISSN":["1864-5631","1864-564X"],"issn-type":[{"value":"1864-5631","type":"print"},{"value":"1864-564X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,12,4]]},"assertion":[{"value":"2024-06-05","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-12-04","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e202401199"}}