{"id":1590,"date":"2025-12-23T10:36:13","date_gmt":"2025-12-23T10:36:13","guid":{"rendered":"https:\/\/citations.tools.bio-logic.fr\/?p=1590"},"modified":"2025-12-23T10:36:13","modified_gmt":"2025-12-23T10:36:13","slug":"communication-contribution-of-catalyst-layer-proton-transport-resistance-to-voltage-loss-in-polymer-electrolyte-water-electrolyzers","status":"publish","type":"post","link":"https:\/\/citations.tools.bio-logic.fr\/?p=1590","title":{"rendered":"Communication\u2014Contribution of Catalyst Layer Proton Transport Resistance to Voltage Loss in Polymer Electrolyte Water Electrolyzers"},"content":{"rendered":"<h4>DOI:<\/h4>\n<p><a href=\"https:\/\/doi.org\/10.1149\/2.0031815jes\" target=\"_blank\" rel=\"noopener\">10.1149\/2.0031815jes<\/a><\/p>\n<h4>Authors:<\/h4>\n<p>Ugljesa Babic, Thomas J. Schmidt, Lorenz Gubler<\/p>\n<h4>Abstract:<\/h4>\n<p>Mass transport losses (\u03b7<em><sub>mtx<\/sub><\/em>) play a significant role at high current densities in polymer electrolyte water electrolyzers (PEWEs). Previous work has shown that \u03b7<em><sub>mtx<\/sub><\/em> depends on the porous transport layer (PTL) structure, although a clear correlation between the material morphology and \u03b7<em><sub>mtx<\/sub><\/em> has not been established. In this work, we experimentally determine the overpotential \u03b7<em><sup>H<\/sup><\/em><sup>+<\/sup><em><sub>CLa<\/sub><\/em> associated with the proton transport in the anodic catalyst layer by measuring the ionic resistance in the catalyst layer using electrochemical impedance spectroscopy (EIS) and the transmission-line model. We found that overpotentials, including \u03b7<em><sup>H<\/sup><\/em><sup>+<\/sup><em><sub>CLa<\/sub><\/em>, depend on the PTL morphologic surface properties.<\/p>\n","protected":false},"excerpt":{"rendered":"<h4>DOI:<\/h4>\n<div class=\"b-doi\">10.1149\/2.0031815jes<\/div>\n<h4>Authors:<\/h4>\n<div class=\"b-author\">Ugljesa Babic, Thomas J. Schmidt, Lorenz Gubler<\/div>\n<h4>Abstract:<\/h4>\n<div class=\"b-intro\">Mass transport losses (\u03b7mtx) play a significant role at high current densities in polymer electrolyte water electrolyzers (PEWEs). Previous work has shown that \u03b7mtx depends on the porous transport layer (PTL) structure, although a clear correlation between the material morphology and \u03b7mtx has not been established. In this work, we&hellip;<\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[36],"class_list":["post-1590","post","type-post","status-publish","format-standard","hentry","category-sp-150-potentiostat","tag-eis"],"_links":{"self":[{"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=\/wp\/v2\/posts\/1590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1590"}],"version-history":[{"count":0,"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=\/wp\/v2\/posts\/1590\/revisions"}],"wp:attachment":[{"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/citations.tools.bio-logic.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}