{"id":5453,"date":"2025-06-21T13:49:49","date_gmt":"2025-06-21T11:49:49","guid":{"rendered":"https:\/\/www.blue-bears.com\/blog\/?p=5453"},"modified":"2026-07-19T19:40:47","modified_gmt":"2026-07-19T17:40:47","slug":"respirer-sous-leau-electrolyse-hydrogene-oxygene","status":"publish","type":"post","link":"http:\/\/www.blue-bears.com\/blog\/?p=5453","title":{"rendered":"Respirer sous l&rsquo;eau, \u00e9lectrolyse, Hydrog\u00e8ne, Oxyg\u00e8ne. (FBI : Fausse Bonne Id\u00e9e&#8230; ou pas)"},"content":{"rendered":"<ul>\n<li>Question : possibilit\u00e9 de respirer sous l&rsquo;eau avec de l&rsquo;oxyg\u00e8ne produit in-situ par \u00e9lectrolyse ?<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>Respirer un m\u00e9lange de H2 et d&rsquo;O2 semble possible &#8230; mais dangereux compte tenu de la forte explosivit\u00e9 du m\u00e9lange.<\/li>\n<li>Inspiration : 66% H2 + 33% O2\u00a0 =&gt; Air ambiant : 78% azote + 21% oxyg\u00e8ne<\/li>\n<li>CO2 : seuil toxicit\u00e9 8% (ind\u00e9pendamment du taux d&rsquo;O2)<\/li>\n<li>Soit au seuil de toxicit\u00e9 : 8% CO2 + 62% H2 + 30% O2<\/li>\n<li>Une Inspiration : Volume Poumon : 5l dont 1.5l non-expir\u00e9 =&gt; 3.5l<\/li>\n<li>Expiration : CO2 + H2<\/li>\n<li>Consommation O2 :\n<ul>\n<li><a href=\"https:\/\/www.larousse.fr\/encyclopedie\/medical\/consommation_doxyg%C3%A8ne\/12155\">https:\/\/www.larousse.fr\/encyclopedie\/medical\/consommation_doxyg%C3%A8ne\/12155<\/a><\/li>\n<li><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Consommation_maximale_d%27oxyg%C3%A8ne\">https:\/\/fr.wikipedia.org\/wiki\/Consommation_maximale_d%27oxyg%C3%A8ne<\/a><\/li>\n<li>Max O2 sang : On l&rsquo;\u00e9value \u00e0 35-45 ml\/kg\/min chez l&rsquo;homme s\u00e9dentaire, \u00e0 30-40 ml\/kg\/min chez la femme s\u00e9dentaire ; \u00e0 50-60 ml\/kg\/min chez un jeune homme adulte bien entra\u00een\u00e9, \u00e0 45-55 ml\/kg\/min chez une jeune femme bien entra\u00een\u00e9e.<\/li>\n<li>=&gt; 40 ml\/m\/kg * 85kg = 3 400ml\/minute<\/li>\n<li>C&rsquo;est la VO2Max =&gt; effort Max<\/li>\n<li>Au repos Selon Gemini : MET (base metabolique : repos total) 200 \u00e0 250ml minutes pour un adulte (3.5ml\/min\/kg) &#8230; monte facilement \u00e0 1000 ml\/minute soit 14ml\/min\/kg (4 MET) avec une marche rapide.<\/li>\n<li>Compter : (6MET = 3.5ml\/min\/kg * 6 * 90kg ) par s\u00e9curit\u00e9 =<strong> 1\u00a0 890ml\/min<\/strong>\n<ul>\n<li>1.89 Normo litre Nl\/min<\/li>\n<li>113 Nl\/heure<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Production O2 :\n<ul>\n<li>https:\/\/fr.aliexpress.com<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"padding-left: 80px;\">17\/07\/2026 : Maxgeek GT-A1500-6250 60ML-1500ML<\/h3>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2025\/06\/Maxgeek-GT-A1500-6250-60ML-1500ML.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5707\" src=\"http:\/\/www.blue-bears.com\/blog\/wp-content\/uploads\/2025\/06\/Maxgeek-GT-A1500-6250-60ML-1500ML.jpg\" alt=\"\" width=\"603\" height=\"334\" \/><\/a><\/li>\n<li>10cmX10cmX15cm = 1500cc = 1.5DM ou Litre<\/li>\n<li>Poids : 1.5kg<\/li>\n<li>1500ml\/min H2 + 750ml\/min\/O2<\/li>\n<li>Prix 433\u20ac (X2 = 900\u20ac)<\/li>\n<li>GT-A1500-6250 1500ML Electrolytic Cell Module PEM Hydrogen Generator for Pure Water and Distilled WaterSpecification:<br \/>\n&#8211; Model: GT-A1500-6250<br \/>\n&#8211; Hydrogen yield: 6&#215;250 \u00b1 15ml\/min<\/li>\n<li>O2 * 750ml\/min =&gt; 2 pour 1500ml\/min (vs 1890ml secure) =&gt; il en faut 2 !!!<br \/>\n&#8211; Working medium: pure water or distilled water, TDS &lt; 5ppm<br \/>\n&#8211; Input water pressure: &lt;0.2MPa<br \/>\n&#8211; Output pressure: 1.0MPa<br \/>\n&#8211; Water supply: water tank &#8211; module cycle between the water supply, water level difference needs to be more than 15cm<br \/>\n&#8211; Product size: 99 x 91 x 86mm = 774 774 mm3 = 774.7cm3 = 0.774dm3 = 0.77litre<br \/>\n&#8211; Mounting hole size: 4 &#8211; M5<br \/>\n&#8211; Inlet and outlet diameter: 1\/4 inch quick connector<br \/>\n&#8211; Power supply type: constant current power supply<br \/>\n&#8211; Input voltage: DC18 &#8211; 21V<br \/>\n&#8211; Input Current: 32 &#8211; 34A<\/li>\n<li>21V*34A = 714w\/min * 2 = 1 400w\/min =&gt; 84kw\/h<br \/>\n&#8211; Surface temperature: &lt;60\u00b0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 style=\"padding-left: 40px;\">Autre<\/h3>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>\u00c9lectrolyseur au Nafion (idem PAC)<\/li>\n<li>1500ml\/min (base H2) =&gt; 1500ml H2 + 750ml O2<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3bee10b3551040f0b9eb4ffa3827cf340.jpg\" alt=\"\" width=\"504\" height=\"677\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S3bee10b3551040f0b9eb4ffa3827cf340.jpg\" data-spm-anchor-id=\"a2g0o.detail.1000023.i2.152879dahDk8rx\" \/> \/ 1500H2 + 750O2<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/ae01.alicdn.com\/kf\/S42c44e0dcafd4dd3985f0c33a371b1d2s.jpg\" alt=\"\" width=\"506\" height=\"563\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/S42c44e0dcafd4dd3985f0c33a371b1d2s.jpg\" data-spm-anchor-id=\"a2g0o.detail.1000023.i1.152879dahDk8rx\" \/><\/li>\n<li>Consommation : 1500ml\/min =&gt; 20A * 27V =&gt; 540w\/minutes =&gt; 750ml\/min\/O2<\/li>\n<li>Prix Unitaire : 600\u20ac<\/li>\n<li>Volume Unitaire : 48*114*90mm =&gt; environ 5 cm*12 cm*9 cm = 540cm3 =&gt; 0.5 Dm3 = 0.5 litre<\/li>\n<li>Pour 1 890ml\/min\u00a0 d&rsquo;O2 =&gt; 2 unit\u00e9s\n<ul>\n<li>Prix =&gt; 600 * 2 : 1200\u20ac environ<\/li>\n<li>Volume : 1 * 2 = 2l<\/li>\n<li>Conso : 540w\/min*2= 1080 w\/min =&gt; 64kwh<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Batteries :\n<ul>\n<li>Batterie 18650 :\u00a0 3.7V 18650 pour Samsung 18650 Lithium Li Ion d&rsquo;origine 3300mAh 17A (d\u00e9charge total en 12 minutes mini a PU max) =&gt; PU embarqu\u00e9 : 3.7V * 3.3A = 12.21w\n<ul>\n<li>Poids Unitaire : 68g<\/li>\n<li>Prix Unitaire : 3.75\u20ac<\/li>\n<li>Surface : 18mm * 65mm =&gt; Volume 18*18*65 = 21 060 mm3 =&gt; 21cm3<\/li>\n<li>Volume Unitaire : 21 cm3<\/li>\n<\/ul>\n<\/li>\n<li>Au max d\u00e9bit (12 minutes)\n<ul>\n<li>D\u00e9bit Max : 17A * 3.7V = 62W\/batterie<\/li>\n<\/ul>\n<\/li>\n<li>=&gt; 1400 W \/ 62 Wh Batterie =22 batteries (X5 pour 1 heure : 110 bat)\n<ul>\n<li>Prix : 22 bat *3.75 = 84.6\u20ac (X5 pour 1 heure = 420\u20ac)<\/li>\n<li>Poids = 22 bat * 68g = 1.5kg (X5 pour 1 heure= 7.5kg)<\/li>\n<\/ul>\n<ul>\n<li>Volume : 22bat * 21 cm3 = 462cm3 = 0.462Dm3 = 0.462 litres (X5 pour 1 heure = 2.31litre)<\/li>\n<li>Nb Batteries calcul : 22 = 7 en s\u00e9rie (3.7V * 7\u00a0 : 25.9v pour 27v cible) * 3 en parall\u00e8le (17A pour 20A cible) =&gt; 21 batteries. (<strong>Pour 1h : 7 en s\u00e9rie X 16 en parall\u00e8le<\/strong>)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>En gros : avant le recycleur qui extrait le CO2, pour un heure :\n<ul>\n<li>7.5k\u20ac de batterie + 1.5kg d\u2019\u00e9lectrolyser (sans l&rsquo;\u00e9lectronique)<\/li>\n<li>Budget : \u00c9lectrolyseur 1200\u20ac (avant \u00e9lectronique) +\u00a0 500\u20ac de batterie =&gt; 1700\u20ac<\/li>\n<li>2.3 litre<\/li>\n<\/ul>\n<\/li>\n<li>Un recycler :\n<ul>\n<li><a href=\"https:\/\/jj-ccr.com\/the-jj-ccr-rebreather\/\">https:\/\/jj-ccr.com\/the-jj-ccr-rebreather\/<\/a>\u00a0 \u00a0Prix : 8K\u20ac environ<\/li>\n<li>La bouteille oxyg\u00e8ne est de 3litres : ce qui colle avec 1l d\u2019\u00e9lectrolyseur + 2.3l de batteries<\/li>\n<li>Diam\u00e8tre cercle qui contient 7 cercles contigus de 18mm de diam\u00e8tre = 54mm (H = 16X65mm = 1050mm = 1 m\u00e8tre !!)<\/li>\n<li>Diam\u00e8tre cercle qui contient 16 cercles de 18mm de diam\u00e8tre= 84 mm (H : 7X 65mm = 455mm = 45 cm)\n<ul>\n<li>=&gt; coh\u00e9rent avec les 110mm de diam\u00e8tre de la bouteille d\u2019oxyg\u00e8ne<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Question : possibilit\u00e9 de respirer sous l&rsquo;eau avec de l&rsquo;oxyg\u00e8ne produit in-situ par \u00e9lectrolyse ? &nbsp; Respirer un m\u00e9lange de H2 et [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5453","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/5453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5453"}],"version-history":[{"count":11,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/5453\/revisions"}],"predecessor-version":[{"id":5710,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/5453\/revisions\/5710"}],"wp:attachment":[{"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5453"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.blue-bears.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}