{"id":1171,"date":"2016-08-22T10:39:04","date_gmt":"2016-08-22T07:39:04","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/energy\/?p=1171"},"modified":"2017-02-23T11:41:24","modified_gmt":"2017-02-23T09:41:24","slug":"%d7%aa%d7%90%d7%99-%d7%93%d7%9c%d7%a7-%d7%a9%d7%9c-%d7%9e%d7%99%d7%9e%d7%9f-%d7%95%d7%97%d7%9e%d7%a6%d7%9f","status":"publish","type":"post","link":"https:\/\/stweizmann.proj.ac.il\/energy\/%d7%aa%d7%90%d7%99-%d7%93%d7%9c%d7%a7-%d7%a9%d7%9c-%d7%9e%d7%99%d7%9e%d7%9f-%d7%95%d7%97%d7%9e%d7%a6%d7%9f\/","title":{"rendered":"\u05ea\u05d0\u05d9 \u05d3\u05dc\u05e7 \u05e9\u05dc \u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df"},"content":{"rendered":"

\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05d9\u05d9\u05e6\u05d5\u05e8 \u05d7\u05e9\u05de\u05dc \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea, \u05db\u05d0\u05e9\u05e8 \u05ea\u05d5\u05e6\u05e8 \u05d4\u05dc\u05d5\u05d5\u05d0\u05d9 \u05d4\u05d5\u05d0 \u05de\u05d9\u05dd<\/strong><\/span>.<\/p>\n

\u05d4\u05de\u05e2\u05e8\u05db\u05ea \u05d4\u05e4\u05e9\u05d5\u05d8\u05d4 \u05d1\u05d9\u05d5\u05ea\u05e8, \u05d4\u05d9\u05d0 \u05e9\u05dc \u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d5\u05ea \u05d7\u05dc\u05d5\u05dc\u05d5\u05ea \u05de\u05d7\u05d5\u05de\u05e8 \u05d0\u05d9\u05e0\u05e8\u05d8\u05d9 (\u05d1\u05dc\u05ea\u05d9 \u05de\u05d2\u05d9\u05d1 \u05db\u05d9\u05de\u05d9\u05ea), \u05e9\u05d9\u05e9 \u05d1\u05d5 \u05d7\u05d5\u05e8\u05d9\u05dd \u05de\u05d9\u05e7\u05e8\u05d5\u05e1\u05e7\u05d5\u05e4\u05d9\u05d9\u05dd, \u05d4\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05dc\u05d2\u05d6\u05d9\u05dd \u05dc\u05d7\u05dc\u05d7\u05dc \u05d5\u05dc\u05d4\u05d2\u05d9\u05e2 \u05dc\u05de\u05d2\u05e2 \u05e2\u05dd \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05dc\u05d9\u05d8.<\/p>\n

\u05dc\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d4 \u05d0\u05d7\u05ea (\u05d4\u05d0\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d7\u05d9\u05d5\u05d1\u05d9\u05ea) \u05de\u05d6\u05e8\u05d9\u05de\u05d9\u05dd \u05d2\u05d6 \u05d7\u05de\u05e6\u05df (O2<\/sub>), \u05d5\u05dc\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d4 \u05d4\u05e9\u05e0\u05d9\u05d9\u05d4 \u05de\u05d6\u05e8\u05d9\u05de\u05d9\u05dd \u05d2\u05d6 \u05de\u05d9\u05de\u05df (H2<\/sub>).<\/p>\n

\"\u05de\u05e2\u05e8\u05db\u05ea<\/p>\n

\u05d4\u05e8\u05d9\u05d0\u05e7\u05e6\u05d9\u05d4 \u05d1\u05d0\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d7\u05d9\u05d5\u05d1\u05d9\u05ea<\/strong><\/span>:<\/p>\n

O2<\/sub>+2H2<\/sub>O+4e<\/sub>– —> 4OH-<\/span><\/strong><\/p>\n

\u05d4\u05e8\u05d9\u05d0\u05e7\u05e6\u05d9\u05d4 \u05d1\u05e7\u05ea\u05d5\u05d3\u05d4 \u05d4\u05e9\u05dc\u05d9\u05dc\u05d9\u05ea<\/strong><\/span>:<\/p>\n

2H2<\/sub>+4OH- —> 4H2<\/sub>O+4e<\/sub>–<\/span><\/strong><\/p>\n

\u05d4\u05e8\u05d9\u05d0\u05e7\u05e6\u05d9\u05d4 \u05d4\u05db\u05d5\u05dc\u05dc\u05ea<\/strong><\/span>:<\/p>\n

2H2<\/sub>+O2<\/sub> —> 2H2<\/sub>O+4e<\/sub>–<\/span><\/strong><\/p>\n

\u05d9\u05d3\u05d5\u05e2 \u05e9\u05db\u05d0\u05e9\u05e8 \u05de\u05d7\u05d1\u05e8\u05d9\u05dd \u05d2\u05d6 \u05de\u05d9\u05de\u05df, \u05e2\u05dd \u05d2\u05d6 \u05d7\u05de\u05e6\u05df, \u05e0\u05d5\u05e6\u05e8\u05ea \u05d4\u05ea\u05e4\u05d5\u05e6\u05e6\u05d5\u05ea \u05d4\u05de\u05e9\u05d7\u05e8\u05e8\u05ea \u05db\u05de\u05d5\u05ea \u05d2\u05d3\u05d5\u05dc\u05d4 \u05e9\u05dc \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4<\/span><\/strong>.<\/p>\n

\u05d1\u05ea\u05d0 \u05d3\u05dc\u05e7 \u05de\u05ea\u05e8\u05d7\u05e9 \u05ea\u05d4\u05dc\u05d9\u05da \u05d6\u05d4 \u05d1\u05e6\u05d5\u05e8\u05d4 \u05de\u05d1\u05d5\u05e7\u05e8\u05ea, \u05d5\u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05de\u05e9\u05ea\u05d7\u05e8\u05e8\u05ea \u05db\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d7\u05e9\u05de\u05dc\u05d9\u05ea<\/strong><\/span>.<\/p>\n

\u05d1\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d5\u05ea \u05de\u05e9\u05ea\u05de\u05e9\u05d9\u05dd \u05d1\u05e7\u05d8\u05dc\u05d9\u05d6\u05d8\u05d5\u05e8\u05d9\u05dd.<\/p>\n

\u05d4\u05db\u05d0"\u05de (\u05d4\u05e4\u05e8\u05e9 \u05de\u05ea\u05d7 \u05d7\u05e9\u05de\u05dc\u05d9) \u05e9\u05dc \u05ea\u05d0 \u05d3\u05dc\u05e7 \u05de\u05e1\u05d5\u05d2 \u05d6\u05d4, \u05d4\u05d5\u05d0 \u05d1\u05e2\u05e8\u05da 0.9 \u05d5\u05d5\u05dc\u05d8.<\/p>\n

\u05d3\u05d5\u05d2\u05de\u05d4 \u05dc\u05d4\u05e2\u05e8\u05db\u05d4 \u05e9\u05dc \u05e1\u05d3\u05e8 \u05d2\u05d5\u05d3\u05dc<\/strong><\/span>:<\/p>\n

\u05d7\u05d9\u05d1\u05d5\u05e8 \u05e9\u05dc 1 \u05e7\u05d9\u05dc\u05d5\u05d2\u05e8\u05dd \u05de\u05d9\u05de\u05df, \u05e2\u05dd 8 \u05e7\u05d9\u05dc\u05d5\u05d2\u05e8\u05dd \u05d7\u05de\u05e6\u05df, \u05d9\u05d5\u05e6\u05e8 9 \u05e7\u05d9\u05dc\u05d5\u05d2\u05e8\u05dd \u05de\u05d9\u05dd, \u05e2\u05dd \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d7\u05e9\u05de\u05dc\u05d9\u05ea \u05e9\u05dc \u05d1\u05e2\u05e8\u05da 2 * 108<\/sup> \u05d2'\u05d0\u05d5\u05dc.<\/p>\n

\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d6\u05d5 \u05de\u05e1\u05e4\u05d9\u05e7\u05d4 \u05dc\u05d4\u05d3\u05dc\u05e7\u05ea \u05e0\u05d5\u05e8\u05ea \u05dc\u05d4\u05d8 \u05e9\u05dc 100 \u05d5\u05d5\u05d0\u05d8 \u05dc\u05de\u05e9\u05da \u05db\u05d7\u05d5\u05d3\u05e9 \u05d9\u05de\u05d9\u05dd (!).<\/p>\n

\u05d4\u05e1\u05d1\u05e8 \u05d8\u05db\u05e0\u05d9 \u05dc\u05d7\u05d9\u05e9\u05d5\u05d1<\/strong><\/span>:<\/p>\n

\u05de\u05d5\u05dc\u05e7\u05d5\u05dc\u05d4 \u05d0\u05d7\u05ea \u05e9\u05dc \u05d7\u05de\u05e6\u05df, \u05de\u05ea\u05e8\u05db\u05d1\u05ea \u05d1\u05e8\u05d9\u05d0\u05e7\u05e6\u05d9\u05d4 \u05d4\u05db\u05d9\u05de\u05d9\u05ea \u05e2\u05dd \u05e9\u05ea\u05d9 \u05de\u05d5\u05dc\u05e7\u05d5\u05dc\u05d5\u05ea \u05e9\u05dc \u05de\u05d9\u05de\u05df. \u05de\u05db\u05d9\u05d5\u05d5\u05df \u05e9\u05d4\u05d7\u05de\u05e6\u05df \u05db\u05d1\u05d3 \u05e4\u05d9 16 \u05de\u05d4\u05de\u05d9\u05de\u05df, \u05de\u05ea\u05e7\u05d1\u05dc \u05d4\u05d9\u05d7\u05e1 \u05e9\u05dc 1:8 \u05d1\u05d9\u05df \u05d4\u05de\u05e9\u05e7\u05dc\u05d9\u05dd \u05e9\u05dc \u05d4\u05d2\u05d6\u05d9\u05dd \u05d1\u05e8\u05d9\u05d0\u05e7\u05e6\u05d9\u05d4.<\/p>\n

\u05de\u05e1\u05e4\u05e8 \u05d4\u05e9\u05e0\u05d9\u05d5\u05ea \u05d1\u05d7\u05d5\u05d3\u05e9:<\/p>\n

60*60*24*30 = 2,592,000 [s]<\/p>\n

\u05db\u05d0\u05e9\u05e8 \u05de\u05db\u05e4\u05d9\u05dc\u05d9\u05dd 100 \u05d5\u05d5\u05d0\u05d8, \u05e9\u05d4\u05dd 100 \u05d2'\u05d0\u05d5\u05dc \u05d1\u05e9\u05e0\u05d9\u05d9\u05d4, \u05d1\u05de\u05e1\u05e4\u05e8 \u05d4\u05e9\u05e0\u05d9\u05d5\u05ea \u05d1\u05d7\u05d5\u05d3\u05e9, \u05de\u05e7\u05d1\u05dc\u05d9\u05dd \u05de\u05e1\u05e4\u05e8 \u05d4\u05e7\u05e8\u05d5\u05d1 (\u05e1\u05d3\u05e8 \u05d2\u05d5\u05d3\u05dc) \u05dc\u05de\u05e1\u05e4\u05e8 \u05d4\u05de\u05d5\u05d6\u05db\u05e8 \u05d1\u05d3\u05d5\u05d2\u05de\u05d4.<\/p>\n

 <\/p>\n

\"\u05dc\u05e2\u05de\u05d5\u05d3<\/a> \"\u05dc\u05e2\u05de\u05d5\u05d3<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05d9\u05d9\u05e6\u05d5\u05e8 \u05d7\u05e9\u05de\u05dc \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea, \u05db\u05d0\u05e9\u05e8 \u05ea\u05d5\u05e6\u05e8 \u05d4\u05dc\u05d5\u05d5\u05d0\u05d9 \u05d4\u05d5\u05d0 \u05de\u05d9\u05dd. \u05d4\u05de\u05e2\u05e8\u05db\u05ea \u05d4\u05e4\u05e9\u05d5\u05d8\u05d4 \u05d1\u05d9\u05d5\u05ea\u05e8, \u05d4\u05d9\u05d0 \u05e9\u05dc \u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d5\u05ea \u05d7\u05dc\u05d5\u05dc\u05d5\u05ea \u05de\u05d7\u05d5\u05de\u05e8 \u05d0\u05d9\u05e0\u05e8\u05d8\u05d9 (\u05d1\u05dc\u05ea\u05d9 \u05de\u05d2\u05d9\u05d1 \u05db\u05d9\u05de\u05d9\u05ea), \u05e9\u05d9\u05e9 \u05d1\u05d5 \u05d7\u05d5\u05e8\u05d9\u05dd \u05de\u05d9\u05e7\u05e8\u05d5\u05e1\u05e7\u05d5\u05e4\u05d9\u05d9\u05dd, \u05d4\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05dc\u05d2\u05d6\u05d9\u05dd \u05dc\u05d7\u05dc\u05d7\u05dc \u05d5\u05dc\u05d4\u05d2\u05d9\u05e2 \u05dc\u05de\u05d2\u05e2 \u05e2\u05dd \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05dc\u05d9\u05d8. \u05dc\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d4 \u05d0\u05d7\u05ea (\u05d4\u05d0\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d7\u05d9\u05d5\u05d1\u05d9\u05ea) \u05de\u05d6\u05e8\u05d9\u05de\u05d9\u05dd \u05d2\u05d6 \u05d7\u05de\u05e6\u05df (O2), … \u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4 ←<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-1171","post","type-post","status-publish","format-standard","hentry","category-34"],"yoast_head":"\n\u05ea\u05d0\u05d9 \u05d3\u05dc\u05e7 \u05e9\u05dc \u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df - \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d4\u05d9\u05d1\u05d8 \u05e8\u05d1 \u05ea\u05d7\u05d5\u05de\u05d9<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stweizmann.proj.ac.il\/energy\/\u05ea\u05d0\u05d9-\u05d3\u05dc\u05e7-\u05e9\u05dc-\u05de\u05d9\u05de\u05df-\u05d5\u05d7\u05de\u05e6\u05df\/\" \/>\n<meta property=\"og:locale\" content=\"he_IL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u05ea\u05d0\u05d9 \u05d3\u05dc\u05e7 \u05e9\u05dc \u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df - \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d4\u05d9\u05d1\u05d8 \u05e8\u05d1 \u05ea\u05d7\u05d5\u05de\u05d9\" \/>\n<meta property=\"og:description\" content=\"\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05d9\u05d9\u05e6\u05d5\u05e8 \u05d7\u05e9\u05de\u05dc \u05d9\u05e9\u05d9\u05e8\u05d5\u05ea, \u05db\u05d0\u05e9\u05e8 \u05ea\u05d5\u05e6\u05e8 \u05d4\u05dc\u05d5\u05d5\u05d0\u05d9 \u05d4\u05d5\u05d0 \u05de\u05d9\u05dd. \u05d4\u05de\u05e2\u05e8\u05db\u05ea \u05d4\u05e4\u05e9\u05d5\u05d8\u05d4 \u05d1\u05d9\u05d5\u05ea\u05e8, \u05d4\u05d9\u05d0 \u05e9\u05dc \u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d5\u05ea \u05d7\u05dc\u05d5\u05dc\u05d5\u05ea \u05de\u05d7\u05d5\u05de\u05e8 \u05d0\u05d9\u05e0\u05e8\u05d8\u05d9 (\u05d1\u05dc\u05ea\u05d9 \u05de\u05d2\u05d9\u05d1 \u05db\u05d9\u05de\u05d9\u05ea), \u05e9\u05d9\u05e9 \u05d1\u05d5 \u05d7\u05d5\u05e8\u05d9\u05dd \u05de\u05d9\u05e7\u05e8\u05d5\u05e1\u05e7\u05d5\u05e4\u05d9\u05d9\u05dd, \u05d4\u05de\u05d0\u05e4\u05e9\u05e8\u05d9\u05dd \u05dc\u05d2\u05d6\u05d9\u05dd \u05dc\u05d7\u05dc\u05d7\u05dc \u05d5\u05dc\u05d4\u05d2\u05d9\u05e2 \u05dc\u05de\u05d2\u05e2 \u05e2\u05dd \u05d4\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05dc\u05d9\u05d8. \u05dc\u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05d3\u05d4 \u05d0\u05d7\u05ea (\u05d4\u05d0\u05e0\u05d5\u05d3\u05d4 \u05d4\u05d7\u05d9\u05d5\u05d1\u05d9\u05ea) \u05de\u05d6\u05e8\u05d9\u05de\u05d9\u05dd \u05d2\u05d6 \u05d7\u05de\u05e6\u05df (O2), … \u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4 ←\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stweizmann.proj.ac.il\/energy\/\u05ea\u05d0\u05d9-\u05d3\u05dc\u05e7-\u05e9\u05dc-\u05de\u05d9\u05de\u05df-\u05d5\u05d7\u05de\u05e6\u05df\/\" \/>\n<meta property=\"og:site_name\" content=\"\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d4\u05d9\u05d1\u05d8 \u05e8\u05d1 \u05ea\u05d7\u05d5\u05de\u05d9\" \/>\n<meta property=\"article:published_time\" content=\"2016-08-22T07:39:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2017-02-23T09:41:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/stweizmann.proj.ac.il\/wp-content\/uploads\/sites\/56\/2016\/08\/FuelCellH2-300x180.jpg\" \/>\n<meta name=\"author\" content=\"marina\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u05e0\u05db\u05ea\u05d1 \u05e2\u05dc \u05d9\u05d3\" \/>\n\t<meta name=\"twitter:data1\" content=\"marina\" 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