Bo\u011fazi\u00e7i \u00dcniversitesi ve MIT, iki kurumun ara\u015ft\u0131rmac\u0131lar\u0131 aras\u0131nda i\u015f birli\u011fi kurulmas\u0131n\u0131 ve her y\u0131l en az \u00fc\u00e7 projenin finanse edilmesini \u00f6ng\u00f6ren MISTI (Science and Technology Initatives) program\u0131 kapsam\u0131nda 2018-2019 d\u00f6neminde desteklenecek yeni projeler aras\u0131na, Bo\u011fazi\u00e7i \u00dcniversitesi Makine M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc \u00f6\u011fretim \u00fcyesi olarak g\u00f6rev yapan Dr. G\u00fclin Vardar\u2019\u0131n \u2018\u2019Cold Sintering: a Novel Solidification Technique for Solid-State Batteries\u2019\u2019 ba\u015fl\u0131kl\u0131 ara\u015ft\u0131rmas\u0131n\u0131 ekledi. G\u00fclin Vardar\u2019\u0131n ara\u015ft\u0131rmas\u0131, elektrikli ara\u00e7larda kullan\u0131lan pillerin depolad\u0131\u011f\u0131 enerji miktar\u0131n\u0131 art\u0131rmay\u0131 ve pillerin performans\u0131n\u0131 g\u00fc\u00e7lendirecek yeni y\u00f6ntemler geli\u015ftirmeyi hedefliyor.<\/p>\n
T\u00fcrkiye\u2019nin ara\u015ft\u0131rma altyap\u0131s\u0131na katk\u0131\u00a0sa<\/span>\u011flamak ve yeni projelerin olu\u015fmas\u0131nda \u00f6nc\u00fc olmak amac\u0131yla Bo\u011fazi\u00e7i \u00dcniversitesi ve Massachusetts Teknoloji Enstit\u00fcs\u00fc (MIT) \u00f6\u011fretim \u00fcyeleri ve \u00f6\u011frencileri aras\u0131nda ortak ara\u015ft\u0131rma projeleri yap\u0131lmas\u0131 hedefiyle 2016 y\u0131l\u0131nda MISTI (MIT Science and Technology Initiatives) \u00e7ekirdek fonu olu\u015fturuldu. MISTI program\u0131 kapsam\u0131nda kurulan MISTI-Bo\u011fazi\u00e7i fonu, iki kurumun ara\u015ft\u0131rmac\u0131lar\u0131 aras\u0131nda i\u015f birli\u011fi kurulmas\u0131n\u0131 ve her y\u0131l en az \u00fc\u00e7 projenin finanse edilmesini \u00f6ng\u00f6r\u00fcyor.<\/p>\n G\u00fclin Vardar<\/strong>, Bo\u011fazi\u00e7i \u00dcniversitesi\u2019nden Makine M\u00fchendisli\u011fi ve Fizik B\u00f6l\u00fcm\u00fc\u2019nden \u00e7ift Anadal derecesiyle 2010 y\u0131l\u0131nda mezun oldu. Amerika\u2019da Michigan \u00dcniversitesi\u2019nde doktora \u00e7al\u0131\u015fmalar\u0131na ba\u015flad\u0131, ayr\u0131ca bir s\u00fcre doktora \u00e7al\u0131\u015fmalar\u0131 i\u00e7in Japonya\u2019da bulundu. Vardar, daha sonra Amerika\u2019ya giderek MIT\u2019de iki y\u0131l s\u00fcreyle doktora sonras\u0131 ara\u015ft\u0131rmac\u0131 olarak \u00e7al\u0131\u015ft\u0131. 2018 y\u0131l\u0131 \u015eubat ay\u0131ndan bu yana ise Bo\u011fazi\u00e7i \u00dcniversitesi\u2019nde Makine M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc\u2019nde Dr. \u00f6\u011fretim \u00fcyesi olarak g\u00f6rev yap\u0131yor. S\u0131v\u0131\u00a0<\/strong>elektrolitli pillerde yanma, patlama gibi risklerin oldu\u011funu belirten Vardar, elektrikli ara\u00e7larda s\u0131v\u0131 yerine daha g\u00fcvenli olan kat\u0131 elektrolitli piller kullan\u0131lmas\u0131 ve kat\u0131 pillerin batarya \u00f6mr\u00fcn\u00fcn uzat\u0131lmas\u0131 y\u00f6n\u00fcnde \u00e7al\u0131\u015fmalar y\u00fcr\u00fct\u00fcyor.<\/p>\n Pillerin \u015fu anda d\u00fcnyada \u00e7ok ilgi \u00e7eken ara\u015ft\u0131rma alanlar\u0131ndan biri oldu\u011funu belirten\u00a0G\u00fclin Vardar,<\/strong>\u00a0MISTI projesi kapsam\u0131nda desteklenecek projesinde MIT\u2019den\u00a0Bilge Y\u0131ld\u0131z<\/strong>\u00a0ile ortak bir ara\u015ft\u0131rma y\u00fcr\u00fct\u00fcyor.<\/p>\n Cep telefonundan arabalara,\u00a0sa<\/span>\u011fl\u0131k alan\u0131ndan elektrikli ev ara\u00e7lar\u0131na geni\u015f bir alanda kulland\u0131\u011f\u0131m\u0131z pillerin y\u00fcksek miktarda enerji depolayabilmeleri ve g\u00fcvenli olmalar\u0131 y\u00f6n\u00fcnde \u00e7al\u0131\u015fan Vardar \u00e7al\u0131\u015fmas\u0131n\u0131, \u2018\u2019Kat\u0131 pillerin enerji depolama hacmi s\u0131v\u0131 elektrolitli Li-iyon pillerin iki kat\u0131 ama \u015farj olma h\u0131z\u0131 Li-iyon pillerin y\u00fczde biri. Bir ba\u015fka deyi\u015fle \u00e7ok yava\u015f \u015farj oluyorlar. Benim \u00e7al\u0131\u015fmalar\u0131m kat\u0131 pillerin \u015farj olma h\u0131z\u0131n\u0131 en az s\u0131v\u0131 elektrolitli piller kadar yapabilmek \u00fczerine<\/i>\u2019\u2019 ifadesiyle \u00f6zetliyor.<\/p>\n G\u00fclin Vardar ara\u015ft\u0131rmas\u0131yla ilgili olarak, \u2018\u2019Pilin i\u00e7inde katmanlar ve katmanlar aras\u0131nda da aray\u00fczler var. E\u011fer lityum iyonlar\u0131 bu aray\u00fczlerden \u00e7abuk ge\u00e7ebiliyorsa pil \u00e7abuk \u015farj olabiliyor demektir. MIT ile yapt\u0131\u011f\u0131m ara\u015ft\u0131rmalarda g\u00f6rd\u00fcm ki kat\u0131 aray\u00fczlerinde b\u00fcy\u00fck rezistanslar oluyor ve pil \u00e7abuk \u015farj olmuyor. Benim amac\u0131m yeni teknikler kullanarak aray\u00fczlerdeki lityum ge\u00e7i\u015flerini h\u0131zland\u0131rmak. Aray\u00fczlerin rezistanslar\u0131n\u0131n y\u00fcksek olmas\u0131n\u0131n nedeni kat\u0131 pillerin y\u00fcksek s\u0131cakl\u0131klarda i\u015flem g\u00f6rmesi. \u0130\u015flem s\u0131cakl\u0131\u011f\u0131n\u0131 300 dereceye \u00e7\u0131kard\u0131\u011f\u0131n\u0131zda pilin \u015farj olma h\u0131z\u0131 sekizde birine d\u00fc\u015f\u00fcyor. Projemde s\u0131cakl\u0131klar\u0131 100 derecenin alt\u0131na \u00e7ekecek ba\u015fka bir i\u015flem geli\u015ftirmeyi planl\u0131yorum. B\u00f6ylece pilin \u015farj olma h\u0131z\u0131n\u0131n d\u00fc\u015f\u00fc\u015f\u00fcn\u00fcn daha az olmas\u0131n\u0131 hedefliyorum. Bu, \u201cCold Sintering\u201d ad\u0131 verilen, aslen Penn State \u00dcniversitesi\u2019nde olduk\u00e7a yak\u0131n tarihte bulunmu\u015f, yeni bir teknik. \u015eimdi de MIT\u2019de daha \u00f6nce birlikte \u00e7al\u0131\u015ft\u0131\u011f\u0131m Bilge Y\u0131ld\u0131z hocayla bu tekni\u011fi kullanarak projeyi devam ettirmeyi planl\u0131yorum\u2019\u2019<\/i>\u00a0bilgisini veriyor.<\/p>\n Hali haz\u0131rda kullan\u0131lan pillerde s\u0131v\u0131 elektrolit bulundu\u011funu belirten Vardar,\u00a0\u2018<\/strong>\u2019Pillerde s\u0131v\u0131 kullan\u0131lmas\u0131 ayn\u0131 zamanda riskler bar\u0131nd\u0131r\u0131yor. \u00d6rne\u011fin s\u0131v\u0131, \u0131s\u0131nan bir ortamda \u00e7ok \u00e7abuk alev al\u0131p yanabiliyor. Biz s\u0131v\u0131 elektrolitler yerine kat\u0131 elektrolitler koymaya \u00e7al\u0131\u015f\u0131yoruz. Kat\u0131 elektrolit s\u0131v\u0131 elektrolit gibi yanm\u0131yor, kat\u0131 halini muhafaza edebiliyor\u2019\u2019<\/i>\u00a0<\/strong>diyor.<\/p>\n Elektrikli arabalarda kullan\u0131lan pillerin \u00f6zellikle yaz mevsiminde a\u015f\u0131r\u0131 \u0131s\u0131nmadan etkilenebildi\u011fini veya herhangi bir \u00e7arp\u0131\u015fma an\u0131nda yang\u0131n riski bar\u0131nd\u0131rd\u0131\u011f\u0131n\u0131 belirten Vardar, bu riskleri minimize etmek \u00fczere pillerde kat\u0131 elektrolit kullan\u0131m\u0131 \u00fczerine \u00e7al\u0131\u015ft\u0131klar\u0131n\u0131 aktar\u0131yor.<\/p>\n G\u00fclin Vardar, pil teknolojisinde t\u00fcketicinin temel beklentisinin pilin \u00e7ok enerji depolamas\u0131 ve bu enerjinin hemen t\u00fckenmemesi oldu\u011funu; ayr\u0131ca pilin \u00e7abuk \u015farj olmas\u0131 ve pilin g\u00fcvenli olmas\u0131n\u0131n da \u00f6nemli oldu\u011funu belirtiyor.<\/p>\n Bu gereklilikleri\u00a0sa<\/span>\u011flayabilen pillerin kat\u0131 elektrolit piller oldu\u011funu ifade eden Vardar, \u2018\u2019Ancak kat\u0131 pillerdeki mevcut sorular\u0131n ba\u015f\u0131nda \u00e7abuk \u015farj olmama sorunu geliyor. \u00d6rnek vermek gerekirse; s\u0131v\u0131 elektrolit kullanan bir pil 1 saatte \u015farj olurken kat\u0131 elektrolit kullan\u0131lan pil 10 saati bulabiliyor. \u00d6zellikle elektrikli arabalarda t\u00fcketiciler bu kadar uzun \u015farj s\u00fcresini tercih etmiyor. Zira pil, elektrikli ara\u00e7 i\u00e7in maliyetin en b\u00fcy\u00fck k\u0131sm\u0131. Araba \u00fcreticileri bu nedenle kendi pillerini kendileri \u00fcretmek istiyorlar. D\u00fcnyada\u00a0bug\u00fcn<\/span>\u00a0en b\u00fcy\u00fck pil \u00fcreticileri Japonya ve \u00c7in. \u00d6rne\u011fin, \u00c7in 2020\u2019de elektrikli araba sat\u0131\u015flar\u0131n\u0131n toplam araba sat\u0131\u015flar\u0131n\u0131n minimum %12 olmas\u0131n\u0131 \u015fart ko\u015ftu. Pil \u00fcreticisi olmayan \u00fclkelerin b\u00fcy\u00fck k\u0131sm\u0131 ise elektrikli ara\u00e7lara ge\u00e7i\u015f s\u00fcrecini hibrid ara\u00e7larla (hem elektrikli hem de benzinli \u00e7al\u0131\u015fan ara\u00e7larla) g\u00fcndemlerine al\u0131yor<\/i>\u2019\u2019 diyerek s\u00f6zlerini tamaml\u0131yor.<\/p>\n","protected":false},"excerpt":{"rendered":" Bo\u011fazi\u00e7i \u00dcniversitesi ve MIT, iki kurumun ara\u015ft\u0131rmac\u0131lar\u0131 aras\u0131nda i\u015f birli\u011fi kurulmas\u0131n\u0131 ve her y\u0131l en az \u00fc\u00e7 projenin finanse edilmesini \u00f6ng\u00f6ren MISTI (Science and Technology Initatives) program\u0131 kapsam\u0131nda 2018-2019 d\u00f6neminde desteklenecek yeni projeler aras\u0131na, Bo\u011fazi\u00e7i \u00dcniversitesi Makine M\u00fchendisli\u011fi B\u00f6l\u00fcm\u00fc \u00f6\u011fretim \u00fcyesi olarak g\u00f6rev yapan Dr. G\u00fclin Vardar\u2019\u0131n \u2018\u2019Cold Sintering: a Novel Solidification Technique for Solid-State Batteries\u2019\u2019 ba\u015fl\u0131kl\u0131 ara\u015ft\u0131rmas\u0131n\u0131 ekledi. G\u00fclin Vardar\u2019\u0131n ara\u015ft\u0131rmas\u0131, elektrikli ara\u00e7larda kullan\u0131lan pillerin depolad\u0131\u011f\u0131 enerji miktar\u0131n\u0131 art\u0131rmay\u0131 ve pillerin performans\u0131n\u0131 g\u00fc\u00e7lendirecek yeni y\u00f6ntemler geli\u015ftirmeyi hedefliyor. T\u00fcrkiye\u2019nin ara\u015ft\u0131rma altyap\u0131s\u0131na katk\u0131\u00a0sa\u011flamak ve yeni projelerin olu\u015fmas\u0131nda \u00f6nc\u00fc olmak amac\u0131yla Bo\u011fazi\u00e7i \u00dcniversitesi ve Massachusetts Teknoloji Enstit\u00fcs\u00fc (MIT) \u00f6\u011fretim \u00fcyeleri ve \u00f6\u011frencileri<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-2223","post","type-post","status-publish","format-standard","hentry","category-sektorel-haberler"],"_links":{"self":[{"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=\/wp\/v2\/posts\/2223"}],"collection":[{"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2223"}],"version-history":[{"count":1,"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=\/wp\/v2\/posts\/2223\/revisions"}],"predecessor-version":[{"id":2224,"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=\/wp\/v2\/posts\/2223\/revisions\/2224"}],"wp:attachment":[{"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.teknolojidergisi.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}