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 yosungirako mphamvu pakukula kwa gawo lachitukuko, mtengo wamtengo wapatali ukhoza kuchepetsedwa ndi 20% mpaka 30%, potengera kusintha kwa batri ndi ndondomeko, kupititsa patsogolo kagwiritsidwe ntchito ka zipangizo ndi kuzungulira. moyo, mtengo wa magetsi akhoza kufufuzidwa ku 0,2 yuan / kWh, ndikulimbikitsa kugwiritsa ntchito chuma chamtundu watsopano wosungirako njira yofunikira yaukadaulo," National Power Storage Chen Man, Wachiwiri kwa Mlembi Wamkulu wa 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 posungira 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. ndi magawo ena a gulu la polojekitiyi, adakhazikitsa mwalamulo dzikolo. pulojekiti yofunika kwambiri yofufuza ndi chitukuko cha polojekiti yamutu wamutu wakuti "100 megawatt-hour sodium-ion battery energy system integration technology and application show" kafukufuku Yang'anani ntchitoyo. "Timayang'ana kwambiri kukonzekera kwapakati pamagetsi amagetsi, kuphatikizika kwa dongosolo ndi kupewa ndi kuwongolera chitetezo ndi matekinoloje ena ofunikira kuti tichite kafukufuku, wopangidwa ndi ufulu wodziyimira pawokha waluso laukadaulo wa sodium-ion batire ndi ukadaulo wophatikiza dongosolo," mtsogoleri wa polojekitiyi, South China Grid Guangxi Grid Company, wachiwiri kwa director wa department of Innovation Gao Lik adayambitsa.
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, batri yathu ya sodium-ion ili ndi ubwino wogwiritsa ntchito kutentha kwakukulu, kuthamanga mwachangu komanso kuchulukitsa kwabwino, ndipo imatha kulipiritsidwa mpaka 90% m'mphindi 12," atero a Hu Yongsheng, wofufuza pagulu. Institute of Physics, Chinese Academy of Sciences.
Monga otsogolera luso mu polojekitiyi, SouthGrid Energy Storage Company Energy Storage Research Institute mu lithiamu batire mphamvu yosungirako dongosolo kaphatikizidwe ndi kupewa chitetezo ndi kulamulira m'munda ali ndi zambiri kafukufuku zinachitikira, kupanga dziko kiyi kafukufuku ndi chitukuko pulogalamu " Lifiyamu-ion batire yosungira mphamvu yosungira mphamvu yogwiritsira ntchito ukadaulo wachitetezo". "Ngakhale kuti machitidwe a mabatire a sodium ndi lithiamu ali ofanana, kupanga makina osungira mphamvu zonse zomwe zimagwirizanitsa ndi kuthamangitsa ndi kutulutsa mabatire a sodium kumafuna kuthana ndi mavuto ambiri atsopano," anatero Li Yongqi, katswiri wa zaluso ku SouthGrid Energy Storage Company. , ndi kutengeka mtima.
Kutengera kuphatikizika kwamakina mwachitsanzo, gulu la projekitiyo limagwiritsa ntchito zomangamanga zogawika zosungiramo mphamvu zochokera kumagetsi okwera a mabatire a sodium-ion, ndipo dongosolo lonse limaphatikiza ma modular converter 88, kuzindikira "kulemberana kwa wina ndi mnzake" ndi masango a batri, pomwe mapangidwe amtundu wa lithiamu-ion mphamvu yosungirako mphamvu amangofunika kuphatikiza otembenuza oposa 40. Cholinga chachangu chowirikiza kawiri kuchuluka kwa otembenuza ndikuwonjezera kupezeka kwa mphamvu komanso kusinthika kwamphamvu. Mphamvu zonse zosinthira mphamvu za batire yosungiramo mphamvu ya batire iyi ndi yoposa 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 zamagetsi zamagetsi, magalimoto amagetsi, makina omanga ndi madera ena.
Ponena za kupewa ndi kuwongolera chitetezo, gululi lapanga njira yoyendetsera kutentha kwamadzi ozizira amadzimadzi komanso njira zonse zopewera moto ndikuwongolera njira yosungira mphamvu ya batri ya sodium-ion, monga chotchinga chamodule-level thermal chotchinga ndi kuzimitsa moto kwapamwamba 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 ndi imayenera moto kuzimitsa, kuzirala, odana kulamulira luso kudzera lithiamu-ion batire mphamvu. Kusungirako nthawi yogwiritsira ntchito makina ogwiritsira ntchito chitetezo ku lifiyamu, kugwirizanitsa njira yosungiramo mphamvu ya sodium kwa nthawi yoyamba mu ntchito ya uinjiniya, "adatero LiYongQi.
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 polojekiti yowunikiranso kuwunika: ukadaulo wonse wa "10 MWh sodium ion batire yosungira mphamvu yamagetsi opangira magetsi osungira mphamvu" opangidwa ndi gulu la polojekiti ali pamlingo wotsogola padziko lonse lapansi.
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