Posachedwapa, malo opangira magetsi opangira mphamvu ya batire ya sodium-ion ku China - Volin sodium-ion batire yosungira mphamvu yamagetsi yakhazikitsidwa ku Nanning, Guangxi. Iyi ndi pulogalamu yapadziko lonse yofufuza ndi chitukuko "100 megawatt-hour sodium-ion battery energy storage" pulojekiti yowonetsera polojekiti ya gawo loyamba la polojekitiyi, kukula kwake kwa 2.5 megawatts / 10 megawatt-hours.
Malo opangira magetsi amaperekedwa ndi kumangidwa ndi Guangxi Power Grid Company of Southern Power Grid, ndipo kukula kwa gawoli ndi 10 MWh. Chiwerengero chonse cha polojekitiyi chidzafika pa 100 MWh, yomwe imatha kupanga madigiri 73 miliyoni a magetsi oyera pachaka, Malo opangira magetsi amapangidwa ndi Guangxi Power Grid Company of Southern Power Grid, ndipo sikelo ya gawoli ndi 10 MWh. Chiwerengero chonse cha ntchitoyi chidzafika pa 100 MWh, yomwe imatha kupanga madigiri 73 miliyoni amagetsi oyera pachaka, momwemonso kuchepetsa kutulutsa mpweya wa carbon dioxide ndi matani 50,000, ndikukwaniritsa zosowa zamagetsi za ogwiritsa ntchito 35,000 okhalamo.
Poyerekeza ndi lithiamu-ion batire mphamvu yosungirako, "abale" sodium-ion batire mphamvu yosungirako yaiwisi nkhokwe, zosavuta kuchotsa, otsika mtengo, ntchito bwino pa kutentha otsika, mu yaikulu yosungiramo mphamvu ndi ubwino zoonekeratu. "Sodium-ion batire mphamvu yosungira mu kukula kwa siteji chitukuko, mtengo wa mtengo akhoza kuchepetsedwa ndi 20% mpaka 30%, pansi pa mfundo ya bwino bwino batire dongosolo ndi ndondomeko, kusintha mlingo wa ntchito zipangizo ndi mkombero moyo, mtengo wa magetsi akhoza kufufuzidwa kuti 0,2 yuan / kWh, ndi kulimbikitsa ntchito zachuma za mtundu watsopano wa yosungirako," mlembi wa mphamvu ya Chetyn National, wotsogolera mphamvu ya Chetyn. National Electric Power Storage Technical Committee komanso katswiri waukadaulo waukadaulo wa Southern Power Grid, adatero.
Ngakhale ntchito ya China pakufufuza ndi chitukuko, kupanga, kuyimitsidwa, kukwezeleza msika ndi kugwiritsa ntchito zinthu za batri ya sodium-ion ikupita patsogolo, palibe chitsanzo chapadziko lonse lapansi chogwiritsa ntchito ukadaulo wa batri wa sodium-ion potengera mphamvu zazikulu zosungira mphamvu.
Mu Novembala 2022, Guangxi Power Grid Company, molumikizana ndi South Grid Energy Storage Company, Institute of Physics ya Chinese Academy of Sciences, Zhongkehai Sodium Technology Co., Ltd. "Ife kuganizira mkulu-ntchito magetsi pachimake sikelo, dongosolo kaphatikizidwe ndi kupewa chitetezo ndi kulamulira ndi matekinoloje ena kiyi kuchita kafukufuku, anapanga ndi ufulu wodziimira aluntha katundu wa sodium-ion batire kukonzekera ndi luso kaphatikizidwe dongosolo," mtsogoleri wa polojekiti, South China gululi Guangxi gululi Company, wachiwiri mkulu wa Dipatimenti ya Innovation Gao Lik anayambitsa.
Selo la batri lamphamvu kwambiri ndilo gawo lofunikira la dongosolo lonse losungiramo batire la sodium-ion. Pambuyo pa kafukufuku wa chaka chimodzi ndi theka, gulu la polojekitiyi linapanga dziko loyamba la moyo wautali, kutentha kwakukulu, chitetezo chachikulu cha 210Ah sodium-ion mphamvu yosungirako batire. "Kutengera momwe timawonera, batire yathu ya sodium-ion ili ndi mwayi wogwiritsa ntchito kutentha kwakukulu, kuthamanga mwachangu komanso kuchulukitsa kwabwino, ndipo imatha kulipiritsidwa mpaka 90% m'mphindi 12," atero a Hu Yongsheng, wofufuza ku Institute of Physics, Chinese Academy of Sciences.
Monga waukulu nawo luso ntchito, ndi SouthGrid Energy Storage Company Energy Storage Research Institute mu lifiyamu batire mphamvu yosungirako dongosolo kaphatikizidwe ndi kupewa chitetezo ndi kulamulira m'munda ali ndi chuma cha kafukufuku zinachitikira, kuchita dziko kiyi kafukufuku ndi chitukuko pulogalamu "lifiyamu-ion batire mphamvu yosungirako dongosolo moyo mkombero ntchito luso chitetezo". "Ngakhale kuti machitidwe a mabatire a sodium ndi lithiamu ali ofanana, kupanga njira yosungiramo mphamvu yokwanira yosungiramo mphamvu yomwe imaphatikizapo kuthamangitsa ndi kutulutsa makhalidwe a mabatire a sodium kumafuna kuthana ndi mavuto ambiri atsopano," anatero Li Yongqi, katswiri wa zaluso ku SouthGrid Energy Storage Company, ndi maganizo.
Kutenga dongosolo kusakanikirana monga chitsanzo, gulu ntchito mwatsopano utenga anagawira mphamvu yosungirako zomangamanga zochokera mkulu voteji wa mabatire sodium-ion, ndi dongosolo lonse integrates 88 m'njira converters, kuzindikira "m'modzi-m'modzi makalata" ndi masango batire, pamene chikhalidwe anagawira kamangidwe ka lifiyamu-ion otembenuka kaphatikizidwe dongosolo yosungirako mphamvu kuposa 40 yekha. Cholinga chachangu chowirikiza kawiri kuchuluka kwa otembenuza ndikuwonjezera kupezeka kwa mphamvu komanso kusinthika kwamphamvu. Mphamvu zonse zosinthira mphamvu za batire yosungiramo mphamvu ya sodium iyi ndizoposa 92%, pomwe mabatire a lithiamu nthawi zambiri amakhala osakwana 90%, omwe akuyembekezeka kuthandizira ndikulowa m'malo mwa mabatire a lithiamu, ndikugwiritsidwa ntchito pakusungirako mphamvu zazikulu zama electrochemical, magalimoto amagetsi, makina omanga ndi magawo ena.
Ponena za kupewa ndi kuwongolera chitetezo, gululi lapanga njira yoyendetsera kutentha kwamadzi ozizira komanso njira zonse zopewera moto ndi kuwongolera njira zosungira mphamvu za batire ya sodium-ion, monga module-level thermal chotchinga ndi kuzimitsa moto kwamphamvu kwambiri.
Kusiyana kwa kutentha pakati pa maselo opitilira 22,000 a sodium batire mu dongosolo lonse kumayendetsedwa mkati mwa 3 digiri Celsius. Kugwiritsiridwa ntchito kwa zonse kutentha kutentha ndi kutentha kuthawa chotchingagalasi fiber airgel bulangetimonga matenthedwe chotchinga zakuthupi pakati pa magetsi pachimake, batire monomer matenthedwe kuthawa kufalikira nthawi kufalitsa mphindi 30 kuti 2 hours, anawonjezera nthawi 4, kwambiri kusintha chitetezo gawo batire.
Gululi linapanga makina amadzimadzi a nayitrogeni ozimitsa moto, ozizira, oletsa kulamulira, okhoza kuzimitsa moto wa batri woyamba mkati mwa masekondi a 5, kuchita maola a 24 popanda kuyatsanso ndi kuphulika. "The lifiyamu panopa ndi sodium mphamvu yosungirako luso kulimbikitsa kusintha kwa makhalidwe wina ndi mzake zoonekeratu, imeneyi ya sodium-ion batire mphamvu yosungirako dongosolo kafukufuku ndi zothandiza madzi asafe imayenera moto kuzimitsa, kuzirala, odana ndi ulamuliro luso kudzera lifiyamu-ion batire mphamvu yosungirako dongosolo moyo mkombero ntchito chitetezo luso kutembenuka ntchito mu lifiyamu, sodium mphamvu yosungirako dongosolo kalunzanitsidwe kwa nthawi yoyamba mu ntchito zomangamanga, LiYongQ anati.
Januware 28, 2024, ndi Chinese Academy of Engineering Jiang Jianchun academician, Chinese Academy of Sciences, Cheng Shijie academician, Zhang Yue academician, European Union Academy of Sciences Sun Jinhua academician ndi akatswiri ena a China Machinery Industry Federation Appraisal Committee pa zotsatira za ntchito yowunikiranso kuwunika: ukadaulo wonse wa MWh system yosungirako mphamvu yamagetsi 10 opangidwa ndi gulu la polojekiti ali pamlingo wotsogola padziko lonse lapansi.
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