Chithunzi chojambulidwa ndi: ACS Applied Materials and Interfaces
Mainjiniya ku yunivesite ya Massachusetts ku Amherst apanga njira yatsopano yopangira zinthu zatsopano.nsaluzomwe zimakupangitsani kukhala ofunda pogwiritsa ntchito magetsi amkati. Ukadaulo uwu ndi zotsatira za ntchito ya zaka 80 yopanga nsalu zochokera ku chimbalangondo cha polarubweyaKafukufukuyu adasindikizidwa mu magazini ya ACS Applied Materials and Interfaces ndipo tsopano wapangidwa kukhala chinthu chogulitsidwa.
Zimbalangondo zaku polar zimakhala m'malo ena ovuta kwambiri padziko lapansi ndipo siziopa kutentha kwa Arctic mpaka madigiri Celsius 45. Ngakhale kuti zimbalangondo zimakhala ndi zinthu zambiri zomwe zimazithandiza kuti zikule bwino ngakhale kutentha kukatsika, asayansi akhala akusamala kwambiri za ubweya wawo kuyambira m'ma 1940. Kodi chimbalangondo cha polar chimatha bwanji kusinthasintha?ubweyakutentha?
Nyama zambiri zakuthengo zimagwiritsa ntchito kuwala kwa dzuwa kuti zisunge kutentha kwa thupi lawo, ndipo ubweya wa chimbalangondo ndi chitsanzo chodziwika bwino. Kwa zaka zambiri, asayansi akhala akudziwa kuti chinsinsi cha zimbalangondo ndi ubweya wawo woyera. Kawirikawiri amakhulupirira kuti ubweya wakuda umayamwa kutentha bwino, koma ubweya wa chimbalangondo watsimikizira kuti ndi wothandiza kwambiri potumiza kuwala kwa dzuwa ku khungu.
Chimbalangondo cha polarubweyakwenikweni ndi ulusi wachilengedwe womwe umatsogolera kuwala kwa dzuwa ku khungu la chimbalangondo, womwe umayamwa kuwala ndikutentha chimbalangondo. NdipoubweyaKomanso ndi bwino kwambiri poletsa khungu lofunda kuti lisatulutse kutentha konse komwe kumabwera chifukwa cha dzuwa. Dzuwa likawala, zimakhala ngati kukhala ndi bulangeti lolimba kuti mudzitenthetse kenako n’kusunga kutentha pakhungu lanu.
Gulu lofufuza linapanga nsalu yokhala ndi zigawo ziwiri zomwe pamwamba pake pali ulusi womwe, monga chimbalangondo cha polarubweya, imayendetsa kuwala kooneka ku gawo la pansi, lomwe limapangidwa ndi nayiloni ndipo limakutidwa ndi nsalu yakuda yotchedwa PEDOT. PEDOT imagwira ntchito ngati khungu la chimbalangondo chakumpoto kuti isunge kutentha.
Jekete lopangidwa ndi nsalu iyi ndi lopepuka ndi 30% kuposa jekete lomwelo la thonje, ndipo kapangidwe kake kowunikira ndi kotetezera kutentha kamagwira ntchito bwino mokwanira kutentha thupi mwachindunji pogwiritsa ntchito magetsi omwe alipo mkati. Mwa kuyika mphamvu kuzungulira thupi kuti apange "nyengo yaumwini", njira iyi ndi yokhazikika kuposa njira zomwe zilipo zotenthetsera ndi kutentha.
Nthawi yotumizira: Feb-27-2024