{"id":15160,"date":"2020-12-29T22:07:47","date_gmt":"2020-12-29T22:07:47","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15160"},"modified":"2020-12-29T22:07:47","modified_gmt":"2020-12-29T22:07:47","slug":"printed-graphene-supercapacitors-power-wearable-technology","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/materials-science\/printed-graphene-supercapacitors-power-wearable-technology\/","title":{"rendered":"Grafenul imprimat: viitorul tehnologiei purtabile"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Grafenul imprimat: Viitorul tehnologiei purtabile<\/h2>\n\n<h2 class=\"wp-block-heading\">Introducere<\/h2>\n\n<p>Imagineaz\u0103-\u021bi o lume \u00een care hainele tale ar putea alimenta dispozitivele tale \u0219i monitoriza s\u0103n\u0103tatea ta. Aceast\u0103 viziune futurist\u0103 ar putea deveni \u00een cur\u00e2nd o realitate, datorit\u0103 unei noi dezvolt\u0103ri revolu\u021bionare: supercondensatoarele de grafen imprimate direct pe textile.<\/p>\n\n<h2 class=\"wp-block-heading\">Ce sunt supercondensatoarele de grafen?<\/h2>\n\n<p>Supercondensatoarele de grafen sunt dispozitive flexibile, asem\u0103n\u0103toare bateriilor, fabricate din grafen, o re\u021bea bidimensional\u0103 de atomi de carbon. Spre deosebire de bateriile tradi\u021bionale, supercondensatoarele stocheaz\u0103 energie pe suprafe\u021bele lor prin \u00eenc\u0103rcare static\u0103. Acest lucru le permite s\u0103 se \u00eencarce extrem de rapid, \u00een secunde \u00een loc de ore, \u0219i s\u0103 \u00ee\u0219i men\u021bin\u0103 capacitatea de stocare a energiei chiar \u0219i dup\u0103 milioane de cicluri de \u00eenc\u0103rcare.<\/p>\n\n<h2 class=\"wp-block-heading\">Imprimate pe textile<\/h2>\n\n<p>Cercet\u0103torii au dezvoltat o tehnic\u0103 pentru a imprima supercondensatoare de grafen direct pe textile, folosind o metod\u0103 de serigrafie. Acest proces creeaz\u0103 \u021bes\u0103turi flexibile, conductoare, care pot fi purtate, \u00eentinse \u0219i chiar sp\u0103late f\u0103r\u0103 a deteriora capacit\u0103\u021bile de \u00eenc\u0103rcare ale supercondensatoarelor.<\/p>\n\n<h2 class=\"wp-block-heading\">Aplica\u021bii \u00een tehnologia purtabil\u0103<\/h2>\n\n<p>Aplica\u021biile poten\u021biale ale supercondensatoarelor de grafen imprimate \u00een tehnologia purtabil\u0103 sunt vaste. Ar putea alimenta:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Monitoare cardiace purtabile<\/li>\n<li>Senzori de temperatur\u0103<\/li>\n<li>Senzori EEG pentru monitorizarea somnului \u0219i a activit\u0103\u021bii creierului<\/li>\n<li>\u00cembr\u0103c\u0103minte care \u00eencarc\u0103 telefoane mobile<\/li>\n<li>Computere purtabile<\/li>\n<li>Jachete de stabilizare a temperaturii<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Avantajele supercondensatoarelor de grafen<\/h2>\n\n<p>Supercondensatoarele de grafen ofer\u0103 mai multe avantaje fa\u021b\u0103 de bateriile tradi\u021bionale pentru aplica\u021biile purtabile:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Flexibilitate:<\/strong> Pot fi imprimate pe substraturi flexibile precum textile, permi\u021b\u00e2ndu-le s\u0103 se mi\u0219te odat\u0103 cu corpul.<\/li>\n<li><strong>\u00cenc\u0103rcare rapid\u0103:<\/strong> Se pot \u00eenc\u0103rca \u00een c\u00e2teva secunde, elimin\u00e2nd necesitatea \u00eentreruperilor frecvente de \u00eenc\u0103rcare.<\/li>\n<li><strong>Durabilitate:<\/strong> \u00ce\u0219i men\u021bin capacitatea de stocare a energiei chiar \u0219i dup\u0103 milioane de cicluri de \u00eenc\u0103rcare.<\/li>\n<li><strong>Prietenos cu mediul:<\/strong> Grafenul este un material relativ ecologic.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Provoc\u0103ri \u0219i dezvolt\u0103ri viitoare<\/h2>\n\n<p>De\u0219i supercondensatoarele de grafen sunt foarte promi\u021b\u0103toare, exist\u0103 \u00eenc\u0103 c\u00e2teva provoc\u0103ri care trebuie dep\u0103\u0219ite.<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Scalabilitate:<\/strong> Producerea de cantit\u0103\u021bi mari de grafen de \u00eenalt\u0103 calitate este \u00eenc\u0103 costisitoare \u0219i consumatoare de timp.<\/li>\n<li><strong>Conductivitate:<\/strong> Grafenul nu conduce electricitatea la fel de bine ca metalele, ceea ce poate limita performan\u021ba sa \u00een anumite aplica\u021bii.<\/li>\n<\/ul>\n\n<p>Cercet\u0103torii lucreaz\u0103 activ pentru a aborda aceste provoc\u0103ri \u0219i pentru a \u00eembun\u0103t\u0103\u021bi performan\u021ba supercondensatoarelor de grafen. \u00cen urm\u0103torii ani, ne putem a\u0219tepta s\u0103 vedem aceste dispozitive revolu\u021bion\u00e2nd industria tehnologiei purtabile.<\/p>\n\n<h2 class=\"wp-block-heading\">Viitorul tehnologiei purtabile<\/h2>\n\n<p>Supercondensatoarele de grafen imprimate sunt preg\u0103tite s\u0103 transforme peisajul tehnologiei purtabile. Ofer\u0103 o solu\u021bie puternic\u0103 \u0219i versatil\u0103 de stocare a energiei, care poate dep\u0103\u0219i limit\u0103rile bateriilor tradi\u021bionale. Pe m\u0103sur\u0103 ce cercet\u0103torii continu\u0103 s\u0103 rafineze \u0219i s\u0103 \u00eembun\u0103t\u0103\u021beasc\u0103 aceste dispozitive, ne putem a\u0219tepta s\u0103 vedem o proliferare de produse purtabile inovatoare care ne \u00eembun\u0103t\u0103\u021besc via\u021ba \u0219i s\u0103n\u0103tatea.<\/p>","protected":false},"excerpt":{"rendered":"<p>Grafenul imprimat: Viitorul tehnologiei purtabile Introducere Imagineaz\u0103-\u021bi o lume \u00een care hainele tale ar putea alimenta dispozitivele tale \u0219i monitoriza s\u0103n\u0103tatea ta. Aceast\u0103 viziune futurist\u0103 ar putea deveni \u00een cur\u00e2nd&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3681],"tags":[2404,20231,16070,20005,8239],"class_list":["post-15160","post","type-post","status-publish","format-standard","hentry","category-materials-science","tag-medical-devices","tag-printed-electronics","tag-graphene","tag-energy-storage","tag-wearable-technology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/15160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=15160"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/15160\/revisions"}],"predecessor-version":[{"id":15161,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/15160\/revisions\/15161"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=15160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=15160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=15160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}