{"id":24655,"date":"2022-08-31T23:52:55","date_gmt":"2022-08-31T21:52:55","guid":{"rendered":"https:\/\/icmsva.vallealto.es\/?articulos_sci=optimization-of-anion-exchange-membrane-water-electrolyzers-using-ionomer-free-electrodes"},"modified":"2026-04-14T11:43:49","modified_gmt":"2026-04-14T09:43:49","slug":"optimization-of-anion-exchange-membrane-water-electrolyzers-using-ionomer-free-electrodes","status":"publish","type":"articulos_sci","link":"https:\/\/icmsva.vallealto.es\/?articulos_sci=optimization-of-anion-exchange-membrane-water-electrolyzers-using-ionomer-free-electrodes","title":{"rendered":"Optimization of anion exchange membrane water electrolyzers using ionomer-free electrodes"},"content":{"rendered":"<figure><img decoding=\"async\" src=\"https:\/\/icmsva.vallealto.es\/wp-content\/uploads\/2022\/08\/Optimization-of-anion-exchange-membrane-water-elec-1.png\" alt=\"Optimization of anion exchange membrane water electrolyzers using ionomer-free electrodes\" \/><\/figure>\n<p>This work is carried out in the context\u00a0of\u00a0the\u00a0anion\u00a0exchange\u00a0membrane\u00a0water\u00a0electrolysis (AEMWE) and pursuits to determine the influence\u00a0of\u00a0different cell components on the global electrochemical performance.\u00a0Ionomer-free\u00a0electrodes\u00a0consisting\u00a0of\u00a0anodic Ni-Fe and cathodic Ni electrocatalysts deposited by magnetron sputtering in an oblique angle deposition configuration were utilized for this study. In addition to the characteristics and equivalent thickness\u00a0of\u00a0the electrocatalysts, other factors affecting the efficiency that have been considered in this study encompass the type\u00a0of\u00a0gas diffusion layer (GDLs), including carbon paper and stainless-steel fiber paper supports, and several commercial\u00a0anion\u00a0exchange\u00a0membranes. The electrocatalytic performances in both a threeelectrode and complete single cell AEMWE set-ups, together with the physico-chemical characterization\u00a0of\u00a0the\u00a0electrodes\u00a0before and after operation, have served to select the optimum components for the utilized cell configuration. Thus, current densities\u00a0of\u00a0670 mA cm-2, at polarization voltage\u00a0of\u00a02.2 V, 1.0 M KOH electrolyte and 40 degrees C were obtained in a\u00a0membrane\u00a0electrode assembly. A seven days chronopotentiometry experiment at a fixed current\u00a0of\u00a0400 mA cm-2 demonstrated a noticeable stability\u00a0of\u00a0this type\u00a0of\u00a0AEMWE cells incorporating\u00a0ionomer-free\u00a0electrodes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This work is carried out in the context\u00a0of\u00a0the\u00a0anion\u00a0exchange\u00a0membrane\u00a0water\u00a0electrolysis (AEMWE) and pursuits to determine the influence\u00a0of\u00a0different cell components on the global electrochemical performance.\u00a0Ionomer-free\u00a0electrodes\u00a0consisting\u00a0of\u00a0anodic Ni-Fe and cathodic Ni electrocatalysts deposited by magnetron sputtering in an oblique angle deposition configuration were utilized for this study. In addition to the characteristics and equivalent thickness\u00a0of\u00a0the electrocatalysts, other factors affecting the&hellip;<\/p>\n","protected":false},"featured_media":24659,"template":"","autores":[],"grupos_de_investigacion":[142],"revistas":[313],"anos":[883],"class_list":["post-24655","articulos_sci","type-articulos_sci","status-publish","has-post-thumbnail","hentry","grupos_de_investigacion-nanotecnologia-en-superficies-y-plasma","revistas-renewable-energy","anos-883","description-off"],"acf":[],"_links":{"self":[{"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=\/wp\/v2\/articulos_sci\/24655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=\/wp\/v2\/articulos_sci"}],"about":[{"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=\/wp\/v2\/types\/articulos_sci"}],"version-history":[{"count":1,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=\/wp\/v2\/articulos_sci\/24655\/revisions"}],"predecessor-version":[{"id":24660,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=\/wp\/v2\/articulos_sci\/24655\/revisions\/24660"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=\/wp\/v2\/media\/24659"}],"wp:attachment":[{"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24655"}],"wp:term":[{"taxonomy":"autores","embeddable":true,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fautores&post=24655"},{"taxonomy":"grupos_de_investigacion","embeddable":true,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fgrupos_de_investigacion&post=24655"},{"taxonomy":"revistas","embeddable":true,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=%2Fwp%2Fv2%2Frevistas&post=24655"},{"taxonomy":"anos","embeddable":true,"href":"https:\/\/icmsva.vallealto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fanos&post=24655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}