Muva nje, isiteshi sokuqala esikhulu sokugcina amandla sebhethri le-sodium-ion eChina – isiteshi samandla sokugcina amandla sebhethri le-Volin sodium-ion saqala ukusebenza eNanning, eGuangxi. Lolu uhlelo lukazwelonke locwaningo nokuthuthukiswa olubalulekile “ubuchwepheshe bokugcina amandla ebhethri le-sodium-ion elingu-100 megawatt-hour” lwephrojekthi yokubonisa isigaba sokuqala sephrojekthi, usayizi ofakiwe wama-megawatt angu-2.5/ama-megawatt angu-10.
Isiteshi sikagesi sitshalwe futhi sakhiwe yiGuangxi Power Grid Company yeSouthern Power Grid, kanti isilinganiso salesi sigaba singama-MWh ayi-10. Isikali esiphelele sephrojekthi sizofinyelela ku-100 MWh, okungakhiqiza ama-degrees ayizigidi ezingama-73 kagesi ohlanzekile minyaka yonke. Isitshalo sikagesi sitshalwe futhi sakhiwa yiGuangxi Power Grid Company yeSouthern Power Grid, kanti isilinganiso salesi sigaba singama-MWh ayi-10. Isikali esiphelele sephrojekthi sizofinyelela ku-100 MWh, okungakhiqiza ama-degrees ayizigidi ezingama-73 kagesi ohlanzekile minyaka yonke, ngaleyo ndlela kuncishiswe ukukhishwa kwe-carbon dioxide ngamathani angama-50,000, futhi kuhlangatshezwane nezidingo zikagesi zabasebenzisi basemakhaya abangu-35,000.
Uma kuqhathaniswa nesitoreji samandla sebhethri le-lithium-ion, isitoreji samandla sebhethri le-sodium-ion “abafowethu” sigcina izinto zokusetshenziswa, kulula ukuzikhipha, izindleko eziphansi, ukusebenza kangcono emazingeni okushisa aphansi, endaweni yokugcina amandla enkulu kunezinzuzo ezisobala. “Isitoreji samandla sebhethri le-sodium-ion esikalini sesigaba sokuthuthukiswa, izindleko zezindleko zingancishiswa ngo-20% kuya ku-30%, ngaphansi kwesisekelo sokuthuthukisa ngokugcwele isakhiwo sebhethri kanye nenqubo, ukuthuthukisa izinga lokusetshenziswa kwezinto kanye nempilo yomjikelezo, izindleko zikagesi zingahlolwa zifike ku-0.2 yuan / kWh, ukukhuthaza ukusetshenziswa komnotho kohlobo olusha lwesitoreji sendlela ebalulekile yobuchwepheshe,” kusho isitoreji samandla sikazwelonke uChen Man, iphini likanobhala-jikelele weKomidi Lobuchwepheshe Lesitoreji Samandla Kagesi Sikazwelonke kanye nochwepheshe wezobuchwepheshe wezinga lamasu e-Southern Power Grid, kusho.
Nakuba umsebenzi waseShayina ocwaningweni nasekuthuthukisweni, ekukhiqizweni, ekulinganisweni, ekukhuthazeni imakethe kanye nasekusetshenzisweni kwemikhiqizo yebhethri le-sodium-ion uqhubeka ngokugcwele, asikho isibonelo samazwe ngamazwe sokusetshenziswa kobuchwepheshe bebhethri le-sodium-ion eziteshini zamandla zokugcina amandla ezinkulu.
NgoNovemba 2022, iGuangxi Power Grid Company, ngokubambisana neSouth Grid Energy Storage Company, i-Institute of Physics of the Chinese Academy of Sciences, iZhongkehai Sodium Technology Co., Ltd. kanye nezinye izikhungo zethimba lephrojekthi, bethule ngokusemthethweni iphrojekthi yohlelo lokucwaninga nokuthuthukiswa kwesihloko esithi “ubuchwepheshe bokuhlanganiswa kwesistimu yokugcina amandla yebhethri le-sodium-ion engu-100 megawatt-hour kanye nokuboniswa kwesicelo” ucwaningo. Sibheke umsebenzi. “Sigxila ekulungiseleleni isikali sikagesi esisebenza kahle kakhulu, ukuhlanganiswa kwesistimu kanye nokuvimbela nokulawula ukuphepha kanye nobunye ubuchwepheshe obubalulekile bokwenza ucwaningo, okwakhiwa ngamalungelo obunikazi azimele okulungiselela ibhethri le-sodium-ion kanye nobuchwepheshe bokuhlanganisa uhlelo,” kusho umholi wephrojekthi, iSouth China Grid Guangxi Grid Company, iphini lomqondisi woMnyango Wezokusungula Izinto Ezintsha uGao Lik.
Iseli lebhethri elinamandla aphezulu liyiyunithi eyisisekelo yesistimu yokugcina amandla yebhethri le-sodium-ion yonke. Ngemva konyaka owodwa nesigamu socwaningo, ithimba lephrojekthi lakha ibhethri lokuqala emhlabeni elihlala isikhathi eside, indawo yokushisa ebanzi, indawo yokuphepha ephezulu ye-sodium-ion engu-210Ah. “Ngokombono wokusebenza, uhlobo lwethu lwebhethri le-sodium-ion lunezinzuzo zendawo yokushisa yokusebenza ebanzi, ukushaja okusheshayo kanye nokuphindaphinda okuhle, futhi lingashajwa ku-90% ngemizuzu eyi-12,” kusho uHu Yongsheng, umcwaningi e-Institute of Physics, i-Chinese Academy of Sciences.
Njengabahlanganyeli abaphambili kwezobuchwepheshe kule phrojekthi, i-SouthGrid Energy Storage Company Energy Storage Research Institute ekuhlanganisweni kwesistimu yokugcina amandla ebhethri le-lithium kanye nokuvimbela nokulawula ukuphepha emkhakheni inolwazi oluningi locwaningo, yenza uhlelo lukazwelonke locwaningo kanye nentuthuko "ukusetshenziswa komjikelezo wokuphila kohlelo lokugcina amandla ebhethri le-lithium-ion kobuchwepheshe bokuphepha". "Nakuba izimiso zokusabela kwamabhethri e-sodium ne-lithium zifana, ukuthuthukiswa kohlelo lokugcina amandla oluphelele oluhlanganisa izici zokushaja nokukhipha amabhethri e-sodium kudinga ukunqoba izinselele eziningi ezintsha," kusho uLi Yongqi, uchwepheshe wezobuchwepheshe ovela eSouthGrid Energy Storage Company, onemizwa.
Uma sithatha ukuhlanganiswa kwesistimu njengesibonelo, ithimba lephrojekthi lisebenzisa ngendlela entsha isakhiwo sokugcina amandla esisatshalaliswe ngokusekelwe ku-voltage ephezulu yamabhethri e-sodium-ion, futhi lonke uhlelo luhlanganisa abaguquli be-modular abangu-88, beqaphela "ukuxhumana komuntu ngamunye" namaqoqo ebhethri, kuyilapho isakhiwo sendabuko esisatshalaliswe sohlelo lokugcina amandla e-lithium-ion sidinga ukuhlanganisa abaguquli abangaphezu kuka-40 kuphela. Inhloso esheshayo yokuphinda kabili inani labaguquli ukwandisa ukutholakala kwamandla kanye nokusebenza kahle kokuguqulwa kwamandla. Ukusebenza kahle kokuguqulwa kwamandla okuphelele kwalesi simiso sokugcina amandla ebhethri le-sodium kungaphezu kuka-92%, kuyilapho amabhethri e-lithium ngokuvamile engaphansi kuka-90%, okulindeleke ukuthi agcwalise futhi athathe indawo yamabhethri e-lithium ngempumelelo, futhi asetshenziswe kwisitoreji esikhulu samandla se-electrochemical, izimoto zikagesi, imishini yokwakha kanye neminye imikhakha.
Ngokuphathelene nokuvimbela nokulawula ukuphepha, ithimba lithuthukise isu lokuphatha ukushisa kwesistimu yokupholisa uketshezi kanye nesethi ephelele yobuchwepheshe bokuvimbela nokulawula umlilo besistimu yokugcina amandla ebhethri le-sodium-ion, njengesivimbelo sokushisa esisezingeni lemojuli kanye nokucima umlilo okusebenza kahle kakhulu.
Umehluko wokushisa phakathi kwamaseli ebhethri le-sodium angaphezu kuka-22,000 ohlelweni lonke ulawulwa ngaphakathi kwamadigri Celsius ama-3. Ukusetshenziswa kokubili kokushabalalisa ukushisa kanye nesithiyo sokushisa esibalekayo.ingubo yeglasi ye-airgel yefayibhaNjengento yokuvimbela ukushisa phakathi kwe-core kagesi, isikhathi sokusabalala kwe-monomer yebhethri esishisayo sisukela kumaminithi angu-30 kuya emahoreni ama-2, sandiswa saya ezikhathini ezine, okuthuthukisa kakhulu ukuphepha kwemojuli yebhethri.
Ithimba lithuthukise ubuchwepheshe bokucisha umlilo obusebenzisa i-nitrogen ewuketshezi, obusebenzisa ukupholisa, obusebenzisa ugesi, obukwazi ukucima umlilo wokuqala webhethri ngaphakathi kwemizuzwana emi-5, ukuze busebenze amahora angama-24 ngaphandle kokuvuselela nokuqhuma. “Ubuchwepheshe bamanje bokugcina amandla e-lithium ne-sodium ukukhuthaza ukuthuthukiswa kwezimpawu zomunye nomunye busobala, lolu hlu locwaningo lwesistimu yokugcina amandla ebhethri le-sodium-ion kanye nobuchwepheshe bokucima umlilo obusebenzisa i-nitrogen ewuketshezi, obusebenzisa ugesi, obusebenzisa ugesi ngokusebenzisa uhlelo lokugcina amandla ebhethri le-lithium-ion umjikelezo wokuphila kohlelo lokuguqulwa kobuchwepheshe bokuphepha ku-lithium, ukuvumelanisa uhlelo lokugcina amandla e-sodium okokuqala ngqa ohlelweni lobunjiniyela,” kusho uLiYongQi.
Januwari 28, 2024, yi-Chinese Academy of Engineering uJiang Jianchun academician, i-Chinese Academy of Sciences, i-Cheng Shijie academician, i-Zhang Yue academician, i-European Union Academy of Sciences Sun Jinhua academician kanye nabanye ochwepheshe be-China Machinery Industry Federation Appraisal Committee ngemiphumela yephrojekthi ukuze kubuyekezwe ukuhlolwa: ubuchwepheshe obuphelele be-"10 MWh sodium ion battery energy storage system for electric energy storage stations" obuthuthukiswe yithimba lephrojekthi busezingeni eliphambili emhlabeni jikelele.
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