{"id":57621,"date":"2023-04-22T03:03:21","date_gmt":"2023-04-22T08:03:21","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/how-to-generate-electricity-from-air\/"},"modified":"2025-01-27T06:08:28","modified_gmt":"2025-01-27T11:08:28","slug":"how-to-generate-electricity-from-air","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/how-to-generate-electricity-from-air\/","title":{"rendered":"Elekt\u0159ina ze vzduchu: Inovace a technologie"},"content":{"rendered":"<p>V\u00fdroba elekt\u0159iny ze vzduchu se zd\u00e1 b\u00fdt na prvn\u00ed pohled fantastick\u00fdm konceptem, t\u00e9m\u011b\u0159 sci-fi.  Av\u0161ak s rozvojem technologie se st\u00e1v\u00e1 st\u00e1le realisti\u010dt\u011bj\u0161\u00edm c\u00edlem.  Existuje n\u011bkolik p\u0159\u00edstup\u016f k tomuto probl\u00e9mu, a i kdy\u017e \u017e\u00e1dn\u00fd z nich zat\u00edm nedosahuje efektivity konven\u010dn\u00edch zdroj\u016f, otev\u00edraj\u00ed se slibn\u00e9 perspektivy pro budoucnost.  V tomto \u010dl\u00e1nku se budeme zab\u00fdvat n\u011bkter\u00fdmi z t\u011bchto metod.<\/p>\n<h3>Vyu\u017eit\u00ed kinetick\u00e9 energie v\u011btru<\/h3>\n<p>Nejjednodu\u0161\u0161\u00edm a nejzn\u00e1m\u011bj\u0161\u00edm zp\u016fsobem, jak z\u00edskat energii ze vzduchu, je vyu\u017eit\u00ed kinetick\u00e9 energie v\u011btru pomoc\u00ed v\u011btrn\u00fdch elektr\u00e1ren.  Tyto elektr\u00e1rny p\u0159em\u011b\u0148uj\u00ed pohyb vzduchu na rota\u010dn\u00ed pohyb lopatek, kter\u00fd n\u00e1sledn\u011b poh\u00e1n\u00ed gener\u00e1tor a produkuje elekt\u0159inu.  Efektivita tohoto procesu z\u00e1vis\u00ed na rychlosti v\u011btru a velikosti turb\u00edny.  V oblastech s konstantn\u00edm siln\u00fdm v\u011btrem se jedn\u00e1 o vysoce efektivn\u00ed zdroj energie.<\/p>\n<h3>Piezoelektrick\u00fd efekt<\/h3>\n<p>Piezoelektrick\u00e9 materi\u00e1ly generuj\u00ed elektrick\u00e9 nap\u011bt\u00ed v reakci na mechanick\u00fd tlak.  V tomto kontextu by se mohly teoreticky pou\u017e\u00edt k zachycen\u00ed energie z vibrac\u00ed vzduchu, nap\u0159\u00edklad v hlu\u010dn\u00fdch m\u011bstech.  Efektivita tohoto p\u0159\u00edstupu je v\u0161ak velmi n\u00edzk\u00e1, a proto se zat\u00edm nepou\u017e\u00edv\u00e1 v komer\u010dn\u00edm m\u011b\u0159\u00edtku.  V\u00fdzkum v t\u00e9to oblasti se zam\u011b\u0159uje na v\u00fdvoj nov\u00fdch, efektivn\u011bj\u0161\u00edch piezoelektrick\u00fdch materi\u00e1l\u016f.<\/p>\n<h3>Termoelektrick\u00fd gener\u00e1tor (TEG)<\/h3>\n<p>Termoelektrick\u00e9 gener\u00e1tory vyu\u017e\u00edvaj\u00ed rozd\u00edl teplot k generaci elekt\u0159iny.  V kontextu vzduchu by se mohly vyu\u017e\u00edt k zachycen\u00ed energie z teplotn\u00edch rozd\u00edl\u016f mezi dnem a noc\u00ed, nebo mezi r\u016fzn\u00fdmi v\u00fd\u0161kami.  Efektivita TEG je ovlivn\u011bna velikost\u00ed teplotn\u00edho rozd\u00edlu.  V praxi je v\u0161ak tento p\u0159\u00edstup energeticky n\u00e1ro\u010dn\u00fd a jeho efektivita je zat\u00edm n\u00edzk\u00e1.<\/p>\n<h3>Ultrazvukov\u00e1 technologie<\/h3>\n<p>Ultrazvukov\u00e9 technologie nab\u00edz\u00ed potenci\u00e1l pro extrakci energie z vibrac\u00ed a pohybu vzduchu na mikroskopick\u00e9 \u00farovni.  P\u0159evod zvukov\u00e9 energie na elektrickou energii je slo\u017eit\u00fd proces, kter\u00fd vy\u017eaduje vysoce specializovan\u00e9 vybaven\u00ed.  A\u010dkoliv existuje potenci\u00e1l, efektivita je st\u00e1le velmi n\u00edzk\u00e1.  V\u00fdzkum v t\u00e9to oblasti je intenzivn\u00ed, a n\u011bkter\u00e9 pokro\u010dil\u00e9 ultrazvukov\u00e9 p\u0159evodn\u00edky, nap\u0159\u00edklad od firmy Beijing Ultrasonic, ukazuj\u00ed slibn\u00e9, i kdy\u017e st\u00e1le experiment\u00e1ln\u00ed, v\u00fdsledky.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Technologie<\/th>\n<th>Efektivita<\/th>\n<th>Aplikace<\/th>\n<th>V\u00fdhody<\/th>\n<th>Nev\u00fdhody<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>V\u011btrn\u00e9 elektr\u00e1rny<\/td>\n<td>Vysok\u00e1 (v z\u00e1vislosti na v\u011btru)<\/td>\n<td>Produkce elekt\u0159iny ve velk\u00e9m m\u011b\u0159\u00edtku<\/td>\n<td>Relativn\u011b zral\u00e1 technologie<\/td>\n<td>Z\u00e1vislost na v\u011btru, prostorov\u00e9 n\u00e1roky<\/td>\n<\/tr>\n<tr>\n<td>Piezoelektrick\u00fd efekt<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>Zachycov\u00e1n\u00ed energie vibrac\u00ed<\/td>\n<td>Potenci\u00e1l pro miniaturizaci<\/td>\n<td>Velmi n\u00edzk\u00e1 efektivita, omezen\u00e9 aplikace<\/td>\n<\/tr>\n<tr>\n<td>Termoelektrick\u00fd TEG<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>Vyu\u017eit\u00ed teplotn\u00edch rozd\u00edl\u016f<\/td>\n<td>Relativn\u00ed jednoduchost<\/td>\n<td>N\u00edzk\u00e1 efektivita, z\u00e1vislost na teplotn\u00edch rozd\u00edlech<\/td>\n<\/tr>\n<tr>\n<td>Ultrazvuk<\/td>\n<td>Velmi n\u00edzk\u00e1<\/td>\n<td>Experiment\u00e1ln\u00ed, mikroskopick\u00e9 \u00farovni<\/td>\n<td>Potenci\u00e1l pro inovativn\u00ed aplikace<\/td>\n<td>Velmi n\u00edzk\u00e1 efektivita, n\u00e1ro\u010dn\u00e1 technologie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee v\u00fdroba elekt\u0159iny ze vzduchu je st\u00e1le v ran\u00e9 f\u00e1zi v\u00fdvoje.  A\u010dkoliv existuje n\u011bkolik slibn\u00fdch p\u0159\u00edstup\u016f, \u017e\u00e1dn\u00fd z nich zat\u00edm nedosahuje komer\u010dn\u00ed \u017eivotaschopnosti s ohledem na efektivitu.  Pokra\u010duj\u00edc\u00ed v\u00fdzkum a v\u00fdvoj v oblasti nov\u00fdch materi\u00e1l\u016f a technologi\u00ed by v\u0161ak mohly v budoucnu v\u00e9st k pr\u016flomu a umo\u017enit efektivn\u00ed vyu\u017eit\u00ed energie z atmosf\u00e9ry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00fdroba elekt\u0159iny ze vzduchu se zd\u00e1 b\u00fdt na prvn\u00ed pohled fantastick\u00fdm konceptem, t\u00e9m\u011b\u0159 sci-fi. Av\u0161ak s rozvojem technologie se st\u00e1v\u00e1 st\u00e1le realisti\u010dt\u011bj\u0161\u00edm c\u00edlem. Existuje n\u011bkolik p\u0159\u00edstup\u016f k tomuto probl\u00e9mu, a i kdy\u017e \u017e\u00e1dn\u00fd z nich zat\u00edm nedosahuje efektivity konven\u010dn\u00edch zdroj\u016f, otev\u00edraj\u00ed se slibn\u00e9 perspektivy pro budoucnost. V tomto \u010dl\u00e1nku se budeme zab\u00fdvat n\u011bkter\u00fdmi z t\u011bchto<\/p>\n","protected":false},"author":1,"featured_media":18812,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-57621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/57621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=57621"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/57621\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/18812"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=57621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=57621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=57621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}