{"id":28820,"date":"2012-08-07T20:57:21","date_gmt":"2012-08-07T17:57:21","guid":{"rendered":"http:\/\/www.fyysika.ee\/uudised\/?p=28820"},"modified":"2012-08-07T20:57:21","modified_gmt":"2012-08-07T17:57:21","slug":"teadlased-valmistasid-uue-korge-efektiivsusega-painduva-tahkisaku","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=28820","title":{"rendered":"Teadlased valmistasid uue k\u00f5rge efektiivsusega painduva tahkisaku"},"content":{"rendered":"<p><strong>Korea professori Keon Jae Lee t\u00f6\u00f6r\u00fchm KAIST&#8217;i Materjaliteaduste ja tehnoloogia osakonnast t\u00f6\u00f6tasid v\u00e4lja k\u00f5rge efektiivsusega painduva tahkisaku (<em>solid state battery<\/em>), millest v\u00f5ib saada paindlike ekraanide jaoks oluline energiaallikaks.<\/strong><\/p>\n<div id=\"attachment_28821\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2012\/08\/akaistresear.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28821\" class=\"size-medium wp-image-28821\" title=\"akaistresear\" src=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2012\/08\/akaistresear-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.fyysika.ee\/wp-content\/uploads\/2012\/08\/akaistresear-300x225.jpg 300w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2012\/08\/akaistresear-250x187.jpg 250w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2012\/08\/akaistresear.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-28821\" class=\"wp-caption-text\">Sinise LEDi paneb p\u00f5lema paindlik k\u00f5rge efektiivsusega tahkisaku. Pilt: Korea Advanced Institute of Science and Technology<\/p><\/div>\n<p>\u00d5hukeste, paindlike ja kergete ekraanide tehnoloogiline areng on motiveerinud teadlasi t\u00f6\u00f6tama v\u00e4lja suurema energiatiheduse ja soojakindlusega paindlikke akusid. Kuigi taaslaetavaid liitium-ioon akusid (LIB) peetakse k\u00f5rge efektiivsusega painduvate energiaallikate jaoks tugevaks kandidaatiks, saab painduvate LIB-ide jaoks kasutada vaid m\u00f5nest kindlast materjalist (n\u00e4iteks orgaanilised materjalid v\u00f5i nano\/mikrostruktuursed mitteorgaanilised materjalid, mis on kombineeritud pol\u00fcmeerist sideainega) valmistatud elektroode. Ka LIB-ide t\u00f6\u00f6omadused pole siiani piisavalt head olnud, mist\u00f5ttu on neid keeruline painduvatel tarbeseadetel rakendada, kirjutab <a href=\"http:\/\/phys.org\/news\/2012-08-team-high-flexible-solid-state.html\">Physorg.com<\/a>.<\/p>\n<p>Lisaks tuleb katoodelektroodidena kasutatavaid liitium siirdeelemendi oksiide t\u00f6\u00f6delda k\u00f5rge temperatuuriga (n\u00e4iteks ~700 kraadi liitium-koobaltoksiidi korral). Siiski ei saa neid aktiivsest metallist oksiide sel k\u00f5rgel temperatuuril painduval pol\u00fcmeersubstraadil karastada.<\/p>\n<p>Hiljuti t\u00f6\u00f6tas Lee uurimisgrupp universaalse \u00fclekande l\u00e4henemise abil v\u00e4lja k\u00f5rge efektiivsusega paindliku LIB-i, mis on struktureeritud k\u00f5rge tihedusega inorgaanilise \u00f5hukese kilega. K\u00f5rge karastustemperatuuriga vilgust substraadile tr\u00fckitud LIB kantakse pol\u00fcmeersubstraadile substraadi lihtsa f\u00fc\u00fcsikalise delaminatsiooni abil.<\/p>\n<p>,,K\u00f5rge efektiivsusega painduva \u00f5hukesest kilest aku leiutamine kiirendab j\u00e4rgmise p\u00f5lvkonna painduva elektroonika s\u00fcsteemide v\u00e4lja arendamist koos olemasolevate paindlike komponentidega, nagu n\u00e4iteks ekraanid, m\u00e4lud ja LED-id,&#8221; lausus professor Lee.<\/p>\n<p>Hetkel uurivad teadlased laseri abil t\u00f5stmise protsessi paindlike LIB-ide masstootmiseks ning 3D struktuuride \u00fcksteise otsa kuhjamiseks, et akude laengutihedust t\u00f5sta.<\/p>\n<p><a href=\"http:\/\/phys.org\/news\/2012-08-team-high-flexible-solid-state.html\">Allikas<\/a><\/p>\n<p>Teadusartikkel: &#8220;<a href=\"http:\/\/pubs.acs.org\/doi\/abs\/10.1021\/nl302254v?prevSearch=Bendable%2BInorganic%2BThin-Film%2BBattery&amp;searchHistoryKey=\">Bendable Inorganic Thin-Film Battery for Fully Flexible Electronic Systems<\/a>&#8220;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Korea professori Keon Jae Lee t\u00f6\u00f6r\u00fchm KAIST&#8217;i Materjaliteaduste ja tehnoloogia osakonnast t\u00f6\u00f6tasid v\u00e4lja k\u00f5rge efektiivsusega painduva tahkisaku (solid state battery), millest v\u00f5ib saada paindlike ekraanide jaoks oluline energiaallikaks. \u00d5hukeste, paindlike ja kergete ekraanide tehnoloogiline areng on motiveerinud teadlasi t\u00f6\u00f6tama v\u00e4lja suurema energiatiheduse ja soojakindlusega paindlikke akusid. Kuigi taaslaetavaid liitium-ioon akusid (LIB) peetakse k\u00f5rge efektiivsusega painduvate [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[31,16],"tags":[110,53],"class_list":{"0":"post-28820","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rakenduslik-teadus","7":"category-teadusuudis","8":"tag-materjal","9":"tag-tulevikuenergia","10":"entry","11":"has-post-thumbnail"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/28820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=28820"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/28820\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=28820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}