Phunziro limapeza chinsinsi chowongolera moyo wa batri: Kuyanjana pakati pa tinthu tating'onoting'ono

Malinga ndi malipoti akunja atolankhani, Feng Lin, pulofesa wothandizira mu dipatimenti ya Chemistry ku Virginia Tech College of Science, ndi gulu lake lofufuza adapeza kuti kuwonongeka koyambirira kwa batire kumawoneka kuti kumayendetsedwa ndi katundu wa tinthu tating'onoting'ono ta electrode, koma pambuyo pa milandu yambiri. Pambuyo pozungulira, momwe tinthu tating'onoting'ono timagwirizana ndikofunika kwambiri.

"Phunziroli likuwulula zinsinsi za momwe mungapangire ndi kupanga ma electrode a batri kwa moyo wautali wa batri," adatero Lin. Pakadali pano, labu ya Lin ikugwira ntchito yokonzanso ma elekitirodi a batri kuti apange ma elekitirodi othamanga, otsika mtengo, okhala ndi moyo wautali komanso ma elekitirodi ogwirizana ndi chilengedwe.

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Phunziro limapeza chinsinsi chowongolera moyo wa batri: Kuyanjana pakati pa tinthu tating'onoting'ono
GasgooLiu Liting5小时前
Malinga ndi malipoti akunja atolankhani, Feng Lin, pulofesa wothandizira mu dipatimenti ya Chemistry ku Virginia Tech College of Science, ndi gulu lake lofufuza adapeza kuti kuwonongeka koyambirira kwa batire kumawoneka kuti kumayendetsedwa ndi katundu wa tinthu tating'onoting'ono ta electrode, koma pambuyo pa milandu yambiri. Pambuyo pozungulira, momwe tinthu tating'onoting'ono timagwirizana ndikofunika kwambiri.

"Phunziroli likuwulula zinsinsi za momwe mungapangire ndi kupanga ma electrode a batri kwa moyo wautali wa batri," adatero Lin. Pakadali pano, labu ya Lin ikugwira ntchito yokonzanso ma elekitirodi a batri kuti apange ma elekitirodi othamanga, otsika mtengo, okhala ndi moyo wautali komanso ma elekitirodi ogwirizana ndi chilengedwe.

Gwero lachithunzi: Feng Lin

"Pamene ma elekitirodi zomangamanga amalola aliyense tinthu kuyankha mwamsanga zizindikiro magetsi, tidzakhala lalikulu bokosi la zida kuti mofulumira kulipiritsa mabatire,"Lin anati. "Ndife okondwa kuti titha kumvetsetsa za m'badwo wotsatira wa mabatire otsika mtengo. ”

Kafukufukuyu adachitika mogwirizana ndi US Department of Energy's SLAC National Accelerator Laboratory, Purdue University ndi European Synchrotron Radiation Facility. Zhengrui Xu ndi Dong Ho, anzawo a postdoctoral mu labu ya Lin, nawonso ndi olemba nawo pamapepala, otsogola kupanga ma electrode, kupanga mabatire, ndi kuyeza magwiridwe antchito a batri, ndikuthandizira pakuyesa kwa X-ray ndikusanthula deta.

"Zomwe zimamanga ndi tinthu tating'onoting'ono timene timapanga ma electrode a batri, koma zikakwera, tinthu tating'onoting'ono timalumikizana," atero wasayansi wa SLAC Yijin Liu, mnzake ku Stanford Synchrotron Radiation Light Source (SSRL). "Ngati mukufuna kupanga mabatire abwinoko, muyenera Kudziwa momwe mungaphatikizire tinthu tating'ono."

Monga gawo la kafukufukuyu, Lin, Liu ndi anzawo ena adagwiritsa ntchito njira zowonera pakompyuta kuti aphunzire momwe tinthu tating'onoting'ono tomwe timapanga ma elekitirodi a mabatire omwe amatha kuchapitsidwanso amawonongeka pakapita nthawi. Cholinga nthawi ino ndikuwerenga osati tinthu tating'ono, komanso njira zomwe zimagwirira ntchito limodzi kuwonjezera kapena kuchepetsa moyo wa batri. Cholinga chachikulu ndikuphunzira njira zatsopano zowonjezera moyo wa mapangidwe a batri.

Monga gawo la phunziroli, gululo linaphunzira za batri cathode ndi X-ray. Anagwiritsa ntchito X-ray tomography kuti amangenso chithunzi cha 3D cha cathode ya batri pambuyo pa kuyitanitsa kosiyanasiyana. Kenako amadula zithunzi za 3D izi kukhala magawo angapo a 2D ndikugwiritsa ntchito njira zowonera pakompyuta kuti azindikire tinthu tating'onoting'ono. Kuphatikiza pa Lin ndi Liu, kafukufukuyu adaphatikizanso wofufuza za SSRL Jizhou Li, Pulofesa waukadaulo wamakina ku yunivesite ya Purdue Keije Zhao, ndi wophunzira womaliza maphunziro ku Yunivesite ya Purdue Nikhil Sharma.

Ofufuzawo adazindikira kuti tinthu tating'onoting'ono topitilira 2,000, osawerengera mawonekedwe amtundu uliwonse monga kukula, mawonekedwe, ndi kuuma kwapamtunda, komanso mawonekedwe monga momwe tinthu tating'onoting'ono timalumikizirana wina ndi mnzake komanso kuchuluka kwa tinthu tating'onoting'ono tosintha mawonekedwe.

Kenako, adayang'ana momwe katundu aliyense adapangira kuti tinthu tating'onoting'ono tiwonongeke, ndipo adapeza kuti pambuyo pa 10 kuthamangitsa mizere, zinthu zazikuluzikulu zidali zomwe tinthu tating'onoting'ono tating'onoting'ono, kuphatikiza momwe tinthu tating'onoting'ono tating'onoting'ono tating'onoting'ono komanso kuchuluka kwa voliyumu ya tinthu kumtunda. Pambuyo pa mizungu 50, komabe, kuphatikizika ndi kuphatikizika kwamagulu kunapangitsa kuwonongeka kwa tinthu tating'onoting'ono - monga momwe tinthu tating'ono tambiri tambiri tambiri tambiri tambirimbiri tasiyana, momwe mawonekedwe ake adasinthira, komanso ngati tinthu tating'ono tating'ono tokhala ngati mpira tili ndi mawonekedwe ofanana.

"Chifukwa chake sichinalinso gawo lokha, koma kulumikizana kwa tinthu," adatero Liu. Kupeza uku ndikofunikira chifukwa zikutanthauza kuti opanga amatha kupanga njira zowongolera zinthuzi. Mwachitsanzo, atha kugwiritsa ntchito maginito kapena magetsi Kuyanjanitsa tinthu tating'onoting'ono, zomwe zapeza posachedwa zikuwonetsa kuti izi zikulitsa moyo wa batri. ”

A Lin anawonjezera kuti: "Takhala tikufufuza mozama momwe mabatire a EV amagwirira ntchito bwino pakuthawira mwachangu komanso kutentha kochepa. Kuwonjezera pa kupanga zipangizo zatsopano zomwe zingachepetse mtengo wa batri pogwiritsa ntchito zipangizo zotsika mtengo komanso zochulukirapo, labotale yathu Pakhalanso kuyesetsa kosalekeza kumvetsetsa khalidwe la batri kutali ndi kufanana. Tayamba kuphunzira zida za batri komanso momwe zimachitikira kumadera ovuta. ”