QuantumScape: Mun fara gwada daskararrun Layer 10 a cikin tsarin kasuwanci. Baturi bayan shekaru 2 ko fiye
QuantumScape, ɗaya daga cikin masu farawa da ke aiki akan ƙwanƙwaran ƙwayoyin lantarki, sun yi alfahari da gwaje-gwaje masu gudana tare da sel masu Layer 10. A cikin 2022, kamfanin yana son nuna sel tare da yadudduka dozin da yawa kuma yana shirin sakin rukunin gwaji na farko da ya dace da motoci a cikin 2023.
Kwayoyin lantarki masu ƙarfi dole ne su kasance masu ƙarfi da ƙarfi. Har yanzu suna dindindin
Kwayoyin da QuantumScape ya haɓaka su ne tsarin Ko karfe ba tare da anode ba. An yi amfani da anode da lithium akan lantarki lokacin da aka yi cajin baturi kuma ya lalace bayan fitarwa. A cikin tantanin halitta na lithium-ion, ana yin anode daga wani nau'i na carbon (kamar graphite), wani lokaci ana yin shi da silicon. Lokacin da babu graphite a cikin tantanin halitta, ba ya ɗaukar sarari, don haka ana iya amfani da mafi yawan ƙarar tantanin halitta da nauyinsa don adana caji.
An dade ana la'akarin QuantumScape a matsayin farkon farawa mai ban sha'awa idan aka zo batun daskararru, amma har ma wannan kamfani ya yi iƙirarin hakan. ci gaban zai kasance a hankali. Bayan sel guda ɗaya da hudu, yana yiwuwa a ƙirƙiri tantanin halitta 1-Layer, wanda a cikin ɗigon dozin na farko na aiki a cikin yanayin 4C-10C (caji da fitarwa tare da iko daidai da ƙarfin tantanin halitta) da C. / 1-C / 1 yanayin yana nuna ƙarancin lalacewa. Amma wannan kewayon 3-3 ne kawai don ƴan sel, kamfanin kai tsaye ya faɗi game da farkon matakan aiki:
Gwajin farko na sel QuantumScape mai Layer 10. Jadawalin ya nuna cewa kawai 20-36 hawan keke (c) na QuantumScape aka kammala.
Amfanin gwajin shine ana yin shi a zazzabi kusa da zafin jiki (kwatanta: yanayin aiki na baturin eCitaro daga BlueSolutions). Kuma cewa muna ma'amala da ƙananan ƙwayoyin cuta a cikin tsarin 7,5 × 8. Wannan kuma ƙari ne yuwuwar hada da QuantumScape m electrolyte tare da arha lithium iron phosphate cathodes. A ƙarshe, fa'ida ita ce haƙiƙan QuantumScape, wanda ke jera duk sigogin gwaji masu dacewa.
Kwayoyin da m electrolyte na baya tsara, 4-Layer Kwayoyin. Mafi munin sel sun rasa kusan kashi 5-6 na iyawar su bayan zagayowar amfani da 400. Abin sha'awa shine a sarari gaɓoɓin canjin kuzarin fitarwa (watau ƙarfin baturi) nan da nan kafin lambar sake zagayowar 400 (c) QuantumScape
Amma wannan shine karshen fa'idar. Kwayoyin ƙarfe na Lithium suna kumbura yayin aiki saboda lithium ɗin da aka daure a baya yana haifar da wani abu dabam a cikinsu - anode. Don haka QuantumScape yana gwada su a yanayi 3,4 don rage aiki. Wannan yana nufin cewa yuwuwar ɓacin rai na ɗakin baturi na iya haifar da gazawar baturi a nan gaba. Haka kuma, ba shakka, tare da taya (huda ba shi da kyau), amma taya ba shi da daraja ko da 1/3 na mota.
Duk da haka, babban tanki mai yiwuwa shine mafi ƙarancin matsalolin. Da kyau, sel masu Layer 10 mataki ne na tsaka-tsaki idan aka kwatanta da sel tare da yadudduka dozin da yawa, sigar ƙarshe ta 2022. Su ne kawai za su ba da isasshen ƙarfin kuzari don samun damar yin gasa tare da ƙwayoyin lithium-ion na yau da kullun dangane da farashi / aiki [QuantumScape bai faɗi ba]. Nau'in samfur na farko da ya dace da amfani da mota zai bayyana a masana'antar QS-0 a California a cikin 2023, shekaru biyu daga yanzu, yayin da kamfanin ke aiki a halin yanzu don faɗaɗa samar da masu raba yumbu (electrolytes).
10-Layer QuantumScape Rigid Cell (hagu) da sabon masana'anta da aka sanya layin annealing QS-0 (c) QuantumSCape
Yiwuwar da aka ambata na amfani da QuantumScape electrolyte a cikin ƙwayoyin LFP yana da ban sha'awa sosai. Godiya ga wannan, irin waɗannan sel sun kai adadin kuzari na 0,6-0,7 kWh / l, wanda ya dace da mafi kyawun ƙwayoyin lithium-ion na zamani tare da nickel-manganese-cobalt cathodes da ruwa electrolytes. Mutum mai magana: tare da m electrolyte QuantumScape Porsche iya kula da Taycan ƙarfin baturi ba tare da canza girman akwati ba tare da raguwa mai mahimmanci a farashinsa ta hanyar amfani da LFP.
Ana sa ran za a sayar da sel ba a baya ba fiye da lokacin 2023 da 2024.
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