Kutshanje, isikhululo samandla sokugcina amandla ebhetri yesodium-ion yokuqala yaseTshayina – iVolin sodium-ion ibhetri yokugcina amandla ebhetri ibekwe eNanning, eGuangxi. Le yinkqubo yesizwe ephambili yophando kunye nenkqubo yophuhliso "i-100 megawatt-yure ye-sodium-ion iteknoloji yokugcina amandla ebhetri ye-sodium-ion" iprojekthi yokubonisa iprojekthi yesigaba sokuqala seprojekthi, ubungakanani obufakelweyo be-2.5 megawatts / 10 megawatt-yure.
Isikhululo sombane sityalwe saza sakhiwa yiNkampani yeGuangxi Power Grid yeSouthern Power Grid, kwaye umlinganiselo wesi sigaba yi-10 MWh. Umlinganiselo opheleleyo weprojekthi uza kufikelela kwi-100 MWh, enokuvelisa i-73 yezigidi zeedigri zombane ococekileyo ngonyaka, Iziko lombane lityalwe kwaye lakhiwe yiNkampani ye-Guangxi Power Grid ye-Southern Power Grid, kwaye isikali sesi sigaba yi-10 MWh. Isikali esipheleleyo seprojekthi siza kufikelela kwi-100 MWh, enokuvelisa i-73 yezigidi zeedigri zombane ococekileyo ngonyaka, ngokuhambelanayo inciphise ukukhutshwa kwekharbon diokside ngeetoni ezingama-50,000, kwaye ihlangabezane neemfuno zombane zabasebenzisi beendawo zokuhlala ezingama-35,000.
Xa kuthelekiswa nokugcinwa kwamandla ebhetri ye-lithium-ion, "abazalwana" ibhetri ye-sodium-ion yokugcina amandla ebhetri egciniweyo, kulula ukuyikhupha, indleko ephantsi, ukusebenza okungcono kumaqondo okushisa aphantsi, kwindawo yokugcina amandla amakhulu kuneenzuzo ezicacileyo. "Ukugcinwa kwamandla ebhetri ye-sodium-ion kwisikali senqanaba lophuhliso, iindleko zeendleko zingancitshiswa nge-20% ukuya kwi-30%, phantsi kwesiseko sokuphucula ngokupheleleyo ubume bebhetri kunye nenkqubo, ukuphucula izinga lokusetyenziswa kwezinto kunye nomjikelo. ubomi, iindleko zombane zinokujongwa ukuya kwi-0.2 yuan / kWh, kukukhuthaza ukusetyenziswa kwezoqoqosho kohlobo olutsha lokugcinwa kwendlela ebalulekileyo yetekhnoloji, "ugcino lwamandla kazwelonke uChen Man, usekela unobhala-jikelele woMbane weSizwe. IKomiti yezoBugcisa boGcino lwaMandla kunye nengcali yesicwangciso-qhinga sobuchwephesha kwiGridi yaMandla yaseMzantsi, yathi.
Nangona umsebenzi waseTshayina kuphando kunye nophuhliso, imveliso, ukubekwa emgangathweni, ukukhuthazwa kweemarike kunye nokusetyenziswa kweemveliso zebhetri yesodium-ion uguquguquka ngokupheleleyo, akukho mzekelo wamazwe ngamazwe wokusetyenziswa kobuchwepheshe bebhetri yesodium-ion kwizikhululo zamandla zokugcina amandla amakhulu. .
NgoNovemba ka-2022, i-Guangxi Power Grid Company, ngokubambisana neSouth Grid Energy Storage Company, iZiko leFiziksi ye-Chinese Academy yeSayensi, iZhongkehai Sodium Technology Co., Ltd. kunye nezinye iiyunithi zeqela leprojekthi, yazisa ngokusemthethweni i-National Academy of Sciences. uphando oluphambili kunye neprogram yophuhliso yeprojekthi isihlokwana "i-100 megawatt-yure ye-sodium-ion yenkqubo yokugcina amandla ebhetri yokugcina amandla eteknoloji kunye nokubonakaliswa kwesicelo" uphando Ukujongana nomsebenzi. "Sigxininise ekusebenzeni okuphezulu kokulungiswa kombane ongundoqo, ukuhlanganiswa kwenkqubo kunye nokukhusela ukhuseleko kunye nokulawula kunye nobunye ubuchwepheshe obuphambili bokuqhuba uphando, olwenziwe ngamalungelo azimeleyo epropathi yengqondo yokulungiswa kwebhetri ye-sodium-ion kunye neteknoloji yokudibanisa inkqubo," inkokeli yeprojekthi, iSouth China Grid Guangxi Grid Company, usekela mlawuli weSebe le-Innovation Gao Lik waziswa.
I-cell-capacity-capacity battery yiyunithi esisiseko yenkqubo yonke yokugcina amandla ebhetri ye-sodium-ion. Emva konyaka onesiqingatha wophando, iqela leprojekthi liphuhlise ubomi obude behlabathi, indawo yobushushu ebanzi, ukhuseleko oluphezulu lwe-210Ah ibhetri ye-sodium-ion yokugcina amandla. "Ngokwembono yokusebenza, uhlobo lwethu lwebhetri ye-sodium-ion lunoncedo lwendawo ebanzi yobushushu bokusebenza, ukutshaja ngokukhawuleza kunye nokuphindaphinda okulungileyo, kwaye kunokuhlawuliswa ukuya kwi-90% kwimizuzu eyi-12," utshilo u-Hu Yongsheng, umphandi Iziko leFiziksi, iZiko leeSayensi zaseTshayina.
Njengabathathi-nxaxheba abaphambili bezobugcisa kwiprojekthi, i-SouthGrid Energy Storage Inkampani ye-Energy Storage Research Institute kwi-lithium yebhetri yokugcina amandla ukuhlanganiswa kunye nokukhusela ukhuseleko kunye nokulawula kwintsimi inobutyebi bamava ophando, yenza uphando oluphambili lwesizwe kunye nenkqubo yophuhliso " I-lithium-ion yebhetri yokugcina amandla enkqubo yokusetyenziswa komjikelo wobomi bobuchwephesha bokhuseleko”. "Nangona imigaqo yokusabela kweebhetri ze-sodium kunye ne-lithium zifana, ukuphuhliswa kwenkqubo yokugcina amandla epheleleyo edibanisa ukutshaja kunye nokukhupha iimpawu zeebhetri zesodium kufuna ukoyisa imingeni emitsha," utshilo uLi Yongqi, ingcali yezobuchwepheshe evela kwiNkampani yeSouthGrid Energy Storage. , ngeemvakalelo.
Ukuthatha udibaniso lwenkqubo njengomzekelo, iqela leprojekthi lamkela ngokutsha ulwakhiwo lokugcina amandla olusasazwayo olusekwe kumbane ophezulu weebhetri zesodium-ion, kwaye inkqubo yonke idibanisa abaguquli beemodyuli ezingama-88, beqonda “imbalelwano enye ukuya komnye” kunye amaqoqo ebhetri, ngelixa i-architecture yendabuko esasazwayo ye-lithium-ion inkqubo yokugcina amandla idinga kuphela ukudibanisa ngaphezu kwe-40 converters. Injongo ekhawulezileyo yokuphinda kabini inani labaguquli kukwandisa ukufumaneka kwamandla kunye nokusebenza kakuhle kokuguqulwa kwamandla. Ukuguqulwa kwamandla okusebenza ngokubanzi kwale nkqubo yokugcina amandla ebhetri ye-sodium ingaphezulu kwe-92%, ngelixa iibhetri ze-lithium ngokuqhelekileyo zingaphantsi kwe-90%, ekulindeleke ukuba zincedise kwaye zithathe indawo ngokufanelekileyo iibhetri ze-lithium, kwaye zisetyenziswe kwindawo enkulu yokugcina amandla e-electrochemical, izithuthi zombane, oomatshini bokwakha kunye namanye amabala.
Ngokubhekiselele kukhuseleko kunye nokulawula ukhuseleko, iqela liye laqulunqa isicwangciso solawulo lwe-thermal yenkqubo yokupholisa ulwelo kunye neseti epheleleyo yokukhusela umlilo kunye nokulawula iteknoloji yenkqubo yokugcina amandla ebhetri ye-sodium-ion, njengesithintelo semodyuli ye-thermal kunye ucimi-mlilo olusebenza kakuhle kakhulu.
Umahluko weqondo lokushisa phakathi kweeseli zebhetri ze-sodium ezingaphezu kwe-22,000 kwinkqubo yonke ilawulwa ngaphakathi kwe-3 degrees Celsius. Ukusetyenziswa kokubini ukutshatyalaliswa kobushushu kunye nomqobo wokubaleka kwe-thermalglass fiber airgel blanketnjengento yokuthintela i-thermal phakathi kwe-core yombane, i-battery monomer i-thermal runaway yokusabalalisa ixesha lokusasazeka ukusuka kwimizuzu ye-30 ukuya kwiiyure ze-2, yandiswe ngamaxesha e-4, iphucula kakhulu ukhuseleko lwemodyuli yebhetri.
Iqela liphuhlise i-nitrogen eyi-liquid esebenzayo yokucima umlilo, ukupholisa, iteknoloji yokuchasana nokulawula, ekwazi ukucima umlilo wokuqala webhetri ngaphakathi kwemizuzwana ye-5, ukwenza iiyure ze-24 ngaphandle kokuvutha kwakhona kunye nokuqhuma. "I-lithium yangoku kunye neteknoloji yokugcina amandla e-sodium ukukhuthaza ukuphuculwa kweempawu zomnye nomnye ngokucacileyo, le seti yenkqubo yokugcina amandla ebhetri yesodium-ion kunye nolwelo olusebenzayo lwenitrogen yokucima umlilo, ukupholisa, iteknoloji yokuchasana nokulawula ngokusebenzisa amandla ebhetri ye-lithium-ion. inkqubo yokugcina umjikelo wobomi isicelo sokuguqulwa kweteknoloji yokhuseleko kwi-lithium, inkqubo yokugcina amandla e-sodium ukuvumelanisa okokuqala kwisicelo sobunjineli, "kusho uLiYongQi.
EyoMqungu 28, 2024, yi 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 kunye nezinye iingcali China Machinery Industry Federation IKomiti yoVandlakanyo kwi iziphumo zeprojekthi ukwenza uphononongo lovandlakanyo: ubuchwephesha bubonke be-“10 MWh isodiyam ye-ion yenkqubo yokugcina amandla ebhetri ye-ion yezikhululo zamandla okugcina amandla ombane” ephuhliswe liqela leprojekthi ikwinqanaba eliphambili lamazwe ngamazwe.
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