Kwanan nan, tashar wutar lantarki ta farko ta kasar Sin mai girma mai girma sodium-ion - tashar wutar lantarki ta batir Volin sodium-ion ta fara aiki a Nanning, Guangxi. Wannan shi ne babban shirin bincike da ci gaba na kasa "fasahar adana makamashin batirin megawatt-hour sodium-ion" aikin nunin aikin kashi na farko na aikin, girman girman megawatts 2.5/10 megawatts.
Kamfanin Guangxi Power Grid na Guangxi Power Grid ne ya saka hannun jari da gina tashar wutar lantarki, kuma ma'aunin wannan lokacin shine MWh 10. Jimillar sikelin aikin zai kai megawatt 100, wanda zai iya samar da tsaftataccen wutar lantarki da ya kai digiri miliyan 73 a duk shekara, Kamfanin Guangxi Power Grid na Southern Power Grid ne ya zuba jari kuma ya gina tashar, kuma girman wannan mataki ya kai MWh 10. Jimillar sikelin aikin zai kai megawatt 100, wanda zai iya samar da tsaftataccen digiri miliyan 73 a duk shekara, wanda hakan zai rage fitar da iskar carbon dioxide da tan 50,000, da kuma biyan bukatun wutar lantarki na masu amfani da gidaje 35,000.
Idan aka kwatanta da ajiyar ƙarfin baturi na lithium-ion, "'yan'uwa" sodium-ion baturi makamashi ajiyar albarkatun albarkatun kasa, mai sauƙin cirewa, ƙananan farashi, mafi kyawun aiki a ƙananan yanayin zafi, a cikin babban adadin makamashi yana da fa'ida a bayyane. "Ajiye makamashin baturi na sodium-ion a cikin sikelin ci gaban matakin ci gaba, ana iya rage farashin farashin da kashi 20% zuwa 30%, a ƙarƙashin yanayin ingantaccen tsarin batir da tsari, haɓaka ƙimar amfani da kayan da sake zagayowar. Rayuwa, ana iya yin la'akari da farashin wutar lantarki zuwa yuan 0.2 / kWh, don haɓaka aikace-aikacen tattalin arziƙin na sabon nau'in adana wani muhimmin al'amari na fasaha," ma'aikatar makamashi ta ƙasa Chen Man, mataimakin sakatare-janar na hukumar. Kwamitin fasaha na Adana Wutar Lantarki na ƙasa da ƙwararren ƙwararren ƙwararren ƙwararrun grid na Kudancin, ya ce.
Ko da yake aikin kasar Sin a fannin bincike da bunkasuwa, da samarwa, da daidaita daidaito, da tallata kasuwa, da yin amfani da kayayyakin batir na sodium-ion yana kan ci gaba, amma babu wani misali na kasa da kasa wajen aiwatar da fasahohin batir na sodium-ion zuwa manyan tashoshin samar da wutar lantarki. .
A watan Nuwamba 2022, Guangxi Power Grid Company, tare da haɗin gwiwar South Grid Energy Storage Company, Cibiyar Nazarin Physics na Kwalejin Kimiyya ta kasar Sin, Zhongkehai Sodium Technology Co., Ltd. da sauran sassan tawagar aikin, sun kaddamar da aikin na kasa a hukumance. mahimmin bincike da shirye-shiryen ci gaba na aikin ƙaramin jigo "100 megawatt-hour sodium-ion baturi tsarin adana makamashin makamashi fasahar haɗin kai da aikace-aikacen aikace-aikacen bincike" Koma aikin. "Muna mayar da hankali kan shirye-shiryen ma'auni mai mahimmanci na lantarki, tsarin haɗin kai da kariya da kariya da sarrafawa da sauran fasaha masu mahimmanci don gudanar da bincike, wanda aka kafa tare da haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin haƙƙin batirin sodium-ion da fasahar haɗin gwiwar tsarin, Kamfanin Grid na Kudancin China Guangxi Grid, mataimakin darektan Sashen Innovation Gao Lik ya gabatar.
Tantanin halitta mai ƙarfin ƙarfin baturi shine ainihin naúrar gabaɗayan tsarin ajiyar ƙarfin baturi na sodium-ion. Bayan shekaru ɗaya da rabi na bincike, ƙungiyar aikin sun haɓaka farkon rayuwa na farko a duniya, yanki mai faɗin zafin jiki, babban aminci 210Ah sodium-ion makamashi baturi. "Daga mahangar aikin, nau'in batirin mu na sodium-ion yana da fa'ida daga yankin zafin jiki mai yawa, caji mai sauri da yawa mai kyau, kuma ana iya cajin shi zuwa 90% a cikin mintuna 12," in ji Hu Yongsheng, mai bincike a cibiyar binciken. Cibiyar Nazarin Kimiya ta Duniya, Kwalejin Kimiyya ta kasar Sin.
A matsayin babban mahalarta fasaha a cikin aikin, Cibiyar Nazarin Makamashin Kasuwanci ta SouthGrid Energy Storage Research Institute a cikin tsarin tsarin ajiyar makamashi na batirin lithium hadewa da kariya da tsaro da sarrafawa a cikin filin yana da kwarewar bincike mai yawa, gudanar da bincike mai mahimmanci na kasa da shirin ci gaba " lithium-ion baturi tsarin ajiyar makamashi tsarin tsarin rayuwa aikace-aikace na aminci fasahar ". "Ko da yake ka'idodin amsawar batirin sodium da lithium sun kasance iri ɗaya, haɓakar cikakken tsarin ajiyar makamashi wanda ya haɗu da caji da halayen batir na sodium yana buƙatar shawo kan sabbin ƙalubale da yawa," in ji Li Yongqi, ƙwararriyar ƙwararrun ƙwararrun ƙwararrun ƙwararrun kamfanin SouthGrid Energy Storage Company. , tare da motsin rai.
Ɗaukar tsarin haɗin kai a matsayin misali, ƙungiyar aikin ta ƙirƙiri sabon tsarin gine-ginen ajiyar makamashi da aka rarraba bisa ga babban ƙarfin lantarki na batir sodium-ion, kuma tsarin gabaɗaya ya haɗa 88 masu canzawa na zamani, suna fahimtar "wasiku ɗaya zuwa ɗaya" tare da gungu na baturi, yayin da na gargajiya rarraba gine-gine na lithium-ion makamashi ajiya tsarin kawai bukatar hade fiye da 40 converters. Manufar nan take na ninka adadin masu juyawa shine don ƙara yawan iya aiki da ingantaccen canjin makamashi. Gabaɗaya ƙarfin jujjuya ƙarfin wannan tsarin ajiyar makamashi na batirin sodium ya fi kashi 92%, yayin da batirin lithium gabaɗaya bai wuce 90% ba, wanda ake sa ran zai cika da maye gurbin batir lithium yadda ya kamata, kuma a yi amfani da shi zuwa manyan ma'ajin makamashi na lantarki, motocin lantarki, injinan gine-gine da sauran filayen.
Dangane da rigakafi da sarrafawa, ƙungiyar ta haɓaka dabarun sarrafa zafin jiki don tsarin sanyaya ruwa da kuma cikakken tsarin rigakafin gobara da fasahar sarrafa wutar lantarki don tsarin adana makamashin batirin sodium-ion, kamar shingen thermal matakin-module da kashe wuta mai inganci.
Bambancin zafin jiki tsakanin fiye da 22,000 sel batir sodium a cikin tsarin gabaɗayan ana sarrafa shi a cikin ma'aunin Celsius 3. Yin amfani da duka ɓarnawar zafi da shinge na thermal runawaygilashin fiber airgel bargoa matsayin kayan kariya na thermal tsakanin wutar lantarki, baturi monomer thermal runaway yada lokaci daga mintuna 30 zuwa sa'o'i 2, yana karawa zuwa sau 4, yana inganta amincin tsarin baturin.
Tawagar ta ɓullo da ingantacciyar hanyar kashe wuta ta nitrogen mai ƙarfi, sanyaya, fasahar hana mulki, mai iya kashe wutar baturin farko a cikin daƙiƙa 5, don yin sa'o'i 24 ba tare da sake kunnawa da fashewa ba. “Fasahar ajiyar makamashi na lithium da sodium na yanzu don haɓaka haɓaka halayen juna a bayyane, wannan saitin tsarin adana makamashin batirin sodium-ion da bincike mai amfani da ruwa nitrogen ingantaccen wuta mai kashewa, sanyaya, fasahar hana mulki ta hanyar ƙarfin batirin lithium-ion. tsarin tsarin tsarin tsarin rayuwa aikace-aikacen canza fasahar aminci a cikin lithium, tsarin daidaita tsarin ajiyar makamashi na sodium a karon farko a cikin aikace-aikacen injiniya, "in ji LiYongQi.
28 ga Janairu, 2024, daga Cibiyar Nazarin Injiniya ta kasar Sin Jiang Jianchun, masanin kimiyyar kasar Sin, Cheng Shijie malami, malami Zhang Yue, masanin ilmin kimiyya na kungiyar tarayyar Turai Sun Jinhua, da sauran kwararru na kwamitin tantance masana'antun masana'antu na kasar Sin kan batun. sakamakon aikin don yin nazari akan kima: gabaɗayan fasahar "tsarin adana makamashin baturi na 10 MWh na tashoshin wutar lantarki" Ƙungiyoyin aikin sun haɓaka a matakin jagorancin duniya.
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