{"id":95544,"date":"2024-09-23T22:00:07","date_gmt":"2024-09-23T22:00:07","guid":{"rendered":"https:\/\/kamucalisani.net\/?p=95544"},"modified":"2024-09-23T22:00:07","modified_gmt":"2024-09-23T22:00:07","slug":"cinli-arastirmacilar-kesildiginde-dahi-calisabilen-lityum-kukurt-pil-gelistirildi","status":"publish","type":"post","link":"https:\/\/kamucalisani.net\/index.php\/2024\/09\/23\/cinli-arastirmacilar-kesildiginde-dahi-calisabilen-lityum-kukurt-pil-gelistirildi\/","title":{"rendered":"\u00c7inli ara\u015ft\u0131rmac\u0131lar, kesildi\u011finde dahi \u00e7al\u0131\u015fabilen lityum k\u00fck\u00fcrt pil geli\u015ftirildi"},"content":{"rendered":"<p><figure> <span> <img decoding=\"async\" src=\"https:\/\/kamucalisani.net\/wp-content\/uploads\/2024\/09\/cinli-arastirmacilar-kesildiginde-dahi-calisabilen-lityum-kukurt-pil-gelistirildi-0-yMEA39x5.jpg\"\/> <\/span> \u00c7in Elektronik Bilimi ve Teknolojisi \u00dcniversitesi&#8217;ndeki ara\u015ft\u0131rmac\u0131lar, kesildi\u011finde dahi \u00e7al\u0131\u015fabilen bir <strong>lityum-k\u00fck\u00fcrt <\/strong>(Li-S) pil prototipi geli\u015ftirdiler. <\/figure>\n<p>Lityum k\u00fck\u00fcrt piller, <strong>k\u00fck\u00fcrt\u00fcn do\u011fada bol bulunmas\u0131 ve ucuz olmas\u0131<\/strong> ve <strong>y\u00fcksek enerji yo\u011funlu\u011fu<\/strong> gibi avantajlara sahip olan, \u015fuan i\u00e7in geli\u015ftirme a\u015famas\u0131nda bulunan bir pil t\u00fcr\u00fc. Bunun yan\u0131nda, <strong>d\u00fc\u015f\u00fck \u00e7evrim \u00f6mr\u00fc, <\/strong>d\u00fc\u015f\u00fck performans ve anot olarak lityum metali kullan\u0131ld\u0131\u011f\u0131nda ortaya \u00e7\u0131kan g\u00fcvenlik problemleri gibi dezavantajlar\u0131 bulunuyor.<\/p>\n<p>Bilim insanlar\u0131 daha \u00f6nce, lityum k\u00fck\u00fcrt pilleri y\u00fcksek s\u0131cakl\u0131klarda kararl\u0131 hale getirmek i\u00e7in demir s\u00fclf\u00fcr ve lityum metalden yap\u0131lm\u0131\u015f elektrotlar\u0131 ay\u0131rabilen karbonat bazl\u0131 bir elektrolit kullanmay\u0131 \u00f6nerdi. Ancak, katottan gelen s\u00fclf\u00fcr, elektrolit i\u00e7inde \u00e7\u00f6z\u00fcnmeye devam ederek par\u00e7alanamayan bir \u00e7\u00f6kelti olu\u015fturarak h\u00fccrenin kapasitesini azaltt\u0131\u011f\u0131 g\u00f6r\u00fcld\u00fc.<\/p>\n<p><b>Poliakrilik asit katman eklediler<\/b><\/p>\n<p>Bu sorunu \u00e7\u00f6zmeye \u00e7al\u0131\u015fan Liping Wang liderli\u011findeki ara\u015ft\u0131rma ekibi, h\u00fccrenin \u015farj edilebilirli\u011fini etkilemeden k\u00fck\u00fcrt \u00e7\u00f6z\u00fcnmesini en aza indirmek amac\u0131yla <strong>katot ve elektrolit aras\u0131na ba\u015fka bir katman <\/strong>eklemeyi \u00f6nerdi. Birden fazla malzemeyle deneyler yapt\u0131ktan sonra ekip, 300 \u015farj-de\u015farj d\u00f6ng\u00fcs\u00fcnden sonra de\u015farj kapasitesini korudu\u011fu i\u00e7in<strong> poliakrilik asidin <\/strong>(PAA) en iyi se\u00e7enek oldu\u011funu buldu.<\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar daha sonra PAA kapl\u0131 demir s\u00fclf\u00fcr katot, karbonat elektrolit ve grafit bazl\u0131 anot i\u00e7eren <strong>kese (pouch) ve d\u00fc\u011fme tipinde<\/strong> pil prototipleri \u00fcrettiler. Ara\u015ft\u0131rma ekibi, 100&#8217;den fazla \u015farj ve de\u015farj d\u00f6ng\u00fcs\u00fcnden sonra,<strong> ikiye katland\u0131\u011f\u0131nda veya kesildi\u011finde dahi \u00e7al\u0131\u015fabilen<\/strong> kese h\u00fccresinde hi\u00e7bir bozulma ger\u00e7ekle\u015fmedi\u011fini tespit etti. D\u00fc\u011fme tipinde h\u00fccrenin ise 300 \u015farj-de\u015farj d\u00f6ng\u00fcs\u00fcnden sonra orijinal kapasitesinin <strong>%72&#8217;sini korudu\u011fu<\/strong> tespit edildi.<\/p>\n<p>Wang, bu \u015fa\u015f\u0131rt\u0131c\u0131 durumu \u015f\u00f6yle a\u00e7\u0131kl\u0131yor: &#8220;Bu muhtemelen mekanik kopmaya ra\u011fmen iyon ve elektron ak\u0131\u015f\u0131na izin veren <strong>sa\u011flam ve esnek bir ba\u011flay\u0131c\u0131 sistem veya yap\u0131sal tasar\u0131mdan kaynaklan\u0131yor. <\/strong>Devre, kesik nedeniyle <strong>iletken yollar tamamen kesilmedi\u011fi i\u00e7in<\/strong> i\u015flevini s\u00fcrd\u00fcrmeye devam ediyor.\u201d<\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar daha sonra kaplamay\u0131 lityum-molibden ve lityum-vanadyum pillerin katotlar\u0131na uygulad\u0131lar. Wang, pillerin ticari kullan\u0131ma ge\u00e7erse, y\u00fcksek enerji yo\u011funlu\u011fu ve dayan\u0131kl\u0131l\u0131\u011f\u0131n \u00f6nemli oldu\u011fu alanlarda kendine yer edinebilece\u011fini belirtiyor.<\/p>\n\n<p>Kaynak\u00a0 :\u00a0<span style=\"background-color: rgb(255, 249, 236); color: rgb(55, 58, 60); font-size: 14px;\">https:\/\/www.donanimhaber.com\/kesildiginde-dahi-calisabilen-lityum-kukurt-pil-gelistirildi&#8211;181931<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c7in Elektronik Bilimi ve Teknolojisi \u00dcniversitesi&#8217;ndeki ara\u015ft\u0131rmac\u0131lar, kesildi\u011finde dahi \u00e7al\u0131\u015fabilen bir lityum-k\u00fck\u00fcrt (Li-S) pil prototipi geli\u015ftirdiler. Lityum k\u00fck\u00fcrt piller, k\u00fck\u00fcrt\u00fcn do\u011fada bol bulunmas\u0131 ve ucuz olmas\u0131 ve y\u00fcksek enerji &#8230;<\/p>\n","protected":false},"author":1,"featured_media":95545,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[227,6118,3162,168],"class_list":["post-95544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-arastirma","tag-kukurt","tag-lityum","tag-pil"],"_links":{"self":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/95544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/comments?post=95544"}],"version-history":[{"count":1,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/95544\/revisions"}],"predecessor-version":[{"id":95547,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/95544\/revisions\/95547"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media\/95545"}],"wp:attachment":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media?parent=95544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/categories?post=95544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/tags?post=95544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}