Amabhethri e-lithium-ion awubuchwepheshe obucishe bube yonke indawo obunomphumela omubi kakhulu: kwesinye isikhathi abamba umlilo.
Ividiyo yabasebenzi nabagibeli endizeni ye-JetBlue bethela amanzi ngamawala ezikhwameni zabo iba isibonelo sakamuva sokukhathazeka okubanzi mayelana namabhethri, manje esingatholakala cishe kuwo wonke amadivayisi adinga amandla aphathekayo.Kule minyaka eyishumi edlule, kube nokwanda kwezihloko zezindaba mayelana nemililo yebhethri ye-lithium-ion ebangelwa amabhayisikili kagesi, izimoto zikagesi namalaptop ezindizeni zabagibeli.
Ukukhula kokukhathazeka komphakathi kugqugquzele abacwaningi emhlabeni wonke ukuthi basebenzele ukuthuthukisa ukuphepha nokuphila isikhathi eside kwamabhethri e-lithium-ion.
Ukusungulwa kwebhethri bekulokhu kuqhuma eminyakeni yamuva nje, abacwaningi benza amabhethri esimo esiqinile ngokushintsha ama-electrolyte oketshezi oluvuthayo kumabhethri ajwayelekile e-lithium-ion ngezinto eziqinile ze-electrolyte ezifana namajeli angashi, izibuko ze-inorganic kanye nama-polymer aqinile.
Ucwaningo olushicilelwe ngesonto eledlule kumagazini i-Nature luphakamisa indlela entsha yokuphepha yokuvimbela ukwakheka kwe-lithium "dendrites," eyakha lapho amabhethri e-lithium-ion eshisa kakhulu ngenxa yokushajwa ngokweqile noma ukulimaza isakhiwo se-dendritic.Ama-Dendrites angakwazi ukwenza amabhethri amafushane futhi abangele imililo eqhumayo.
"Ucwaningo ngalunye lusinika ithemba elikhulu lokuthi singakwazi ukuxazulula izinkinga zokuphepha kanye nobubanzi bezimoto zikagesi," kusho uChongsheng Wang, uprofesa wobunjiniyela bamakhemikhali kanye ne-biomolecular e-University of Maryland kanye nomlobi oholayo wocwaningo.
Ukuthuthukiswa kukaWang kuyisinyathelo esibalulekile sokuthuthukisa ukuphepha kwamabhethri e-lithium-ion, kusho u-Yuzhang Li, uprofesa osizayo wobunjiniyela bamakhemikhali e-UCLA owayengahileleki ocwaningweni.
U-Lee usebenza ngokusungula kwakhe, enza ibhethri yensimbi ye-lithium yesizukulwane esilandelayo engagcina amandla aphindwe izikhathi ezingu-10 kunezingxenye ze-graphite electrode kumabhethri e-lithium-ion endabuko.
Uma kuziwa ekuphepheni kwezimoto zikagesi, u-Lee uthe amabhethri e-lithium-ion awayona ingozi noma awavamile njengoba umphakathi ucabanga, futhi ukuqonda imigomo yokuphepha kwebhethri ye-lithium-ion kubalulekile.
"Zombili izimoto zikagesi kanye nezimoto ezijwayelekile zinezingozi ezikhona," esho.“Kodwa ngicabanga ukuthi izimoto zikagesi ziphephe kakhudlwana ngoba awuhlali phezu kwamagalani oketshezi oluvutha umlilo.”
U-Lee wengeze ngokuthi kubalulekile ukuthatha izinyathelo zokuvimbela ukushajwa ngokweqile noma ngemva kwengozi yemoto kagesi.
Abacwaningi abacwaninga ukusha kwamabhethri e-lithium-ion kwa-Fire Research Foundation engenzi nzuzo bathole ukuthi imililo yezimoto zikagesi iqathaniswa nemililo yezimoto ezisetshenziswa ngophethiloli, kodwa umlilo wezimoto zikagesi uvame ukuhlala isikhathi eside, udinga amanzi engeziwe ukuze ucime futhi uyanda. okungenzeka ivuthe.futhi.ngemva kwamahora ambalwa ilangabi linyamalala ngenxa yamandla asele ebhethrini.
UVictoria Hutchison, umphathi omkhulu wohlelo locwaningo lwesisekelo, uthe izimoto zikagesi zibeka ingozi eyingqayizivele kubacimi bomlilo, abaphenduli bokuqala nabashayeli ngenxa yamabhethri abo e-lithium-ion.Kodwa lokho akusho ukuthi abantu kufanele babesabe, wengeza.
“Sisazama ukuqonda ukuthi iyini imililo yezimoto zikagesi nokuthi singayiqeda kanjani,” kusho uHutcheson.“Kuyijika lokufunda.Sesinesikhathi eside sinezimoto zenjini evuthayo, yinto engaziwa, kodwa kufanele sifunde ukuthi singabhekana kanjani nalezi zigameko ngendlela efanele.”
Ukukhathazeka mayelana nokusha kwezimoto zikagesi kungase kwenyuse amanani omshwalense, kusho uMartti Simojoki, uchwepheshe wokuvimbela ukulahlekelwa e-International Union of Marine Insurance.Uthe ukwenza umshwalense wezimoto ezisebenza ngogesi njengezimpahla njengamanje kungenye yezindlela ezingaheheki kakhulu kubadayisi bomshwalense, okungase kwenyuse izindleko zomshwalense kulabo abafuna ukuthutha izimoto zikagesi ngenxa yengozi ebonakala isha.
Kodwa ucwaningo olwenziwa yi-International Union of Marine Insurance, iqembu elingenzi nzuzo elimelela izinkampani zomshwalense, lwathola ukuthi izimoto zikagesi aziyona ingozi noma aziyona ingozi kunezimoto ezivamile.Eqinisweni, akuzange kuqinisekiswe ukuthi umlilo wezimpahla eziphezulu ogwini lwaseDutch kuleli hlobo udalwe yimoto kagesi, naphezu kwezihloko ezisikisela okuhlukile, kusho uSimojoki.
"Ngicabanga ukuthi abantu bayanqikaza ukufaka ingozi," esho.“Uma ubungozi buphezulu, intengo izoba phezulu.Ekupheleni kosuku, umthengi wokugcina uyayikhokhela. ”
Ukulungiswa (Nov. 7, 2023, 9:07 am ET): Inguqulo yangaphambilini yalesi sihloko ilipelile kabi igama lombhali oholayo wocwaningo.UnguWang Chunsheng, hhayi uChunsheng.