Momwe Mabatire A Redox Flow Amagwirira Ntchito

Momwe Mabatire A Redox Flow Amagwirira Ntchito

Kulekanitsa mphamvu ndi mphamvu ndiye kusiyana kwakukulu kwa ma RFB, poyerekeza ndi enama electrochemical storage systems. Monga tafotokozera pamwambapa, dongosolo mphamvu amasungidwa mu buku la electrolyte, amene mosavuta ndi chuma kukhala mu osiyanasiyana kilowatt-maola kwa makumi a megawatt-maola, malinga ndi kukula kwamatanki osungira. Mphamvu yamphamvu ya dongosololi imatsimikiziridwa ndi kukula kwa mulu wa ma cell a electrochemical. Kuchuluka kwa ma elekitiroliti oyenderera mu mulu wa electrochemical pa nthawi iliyonse si kawirikawiri kupitirira pang'ono peresenti ya chiwerengero chonse cha electrolyte yomwe ilipo (pa mavoti a mphamvu omwe amagwirizana ndi kutuluka pa mphamvu yovotera kwa maola awiri kapena asanu ndi atatu). Kuthamanga kumatha kuyimitsidwa mosavuta panthawi ya vuto. Zotsatira zake, kusatetezeka kwadongosolo pakutulutsidwa kwamphamvu kosalamulirika pankhani ya ma RFB kumachepetsedwa ndi kamangidwe kadongosolo mpaka maperesenti ochepa a mphamvu zonse zosungidwa. Mbaliyi ndi yosiyana ndi zomangamanga, zophatikizira zosungirako zosungiramo maselo (lead-acid, NAS, Li Ion), kumene mphamvu zonse za dongosolo zimagwirizanitsidwa nthawi zonse ndipo zimapezeka kuti zitheke.

Kupatukana kwa mphamvu ndi mphamvu kumaperekanso kusinthasintha kwapangidwe pakugwiritsa ntchito ma RFB. Kuthekera kwa mphamvu (kukula kwa stack) kumatha kusinthidwa mwachindunji ndi katundu wogwirizana kapena katundu wopanga. Kuthekera kosungirako (kukula kwa akasinja osungira) kumatha kupangidwa mokhazikika pazosowa zosungirako mphamvu zamagwiritsidwe ntchito. Mwanjira imeneyi, ma RFB amatha kupereka njira yabwino yosungiramo ntchito iliyonse. Mosiyana ndi zimenezi, chiŵerengero cha mphamvu ndi mphamvu chimakhazikika kwa maselo ophatikizika panthawi yopanga ndi kupanga maselo. Kuchulukirachulukira mukupanga ma cell kumachepetsa kuchuluka kwa mapangidwe osiyanasiyana a cell omwe alipo. Chifukwa chake, mapulogalamu osungira okhala ndi ma cell ophatikizika nthawi zambiri amakhala ndi mphamvu zambiri kapena mphamvu.

Ma RFB atha kugawidwa m'magulu awiri: 1) zoonamabatire a redox, kumene mitundu yonse yamankhwala yomwe imagwira ntchito posungira mphamvu imasungunuka mu njira yothetsera nthawi zonse; ndi 2) ma hybrid redox otaya mabatire, pomwe mtundu umodzi wa mankhwala umakutidwa ngati olimba m'maselo a electrochemical panthawi yolipira. Zitsanzo za ma RFB enieni ndi mongamachitidwe a vanadium-vanadium ndi iron-chromium. Zitsanzo za ma RFB osakanizidwa ndi zinc-bromine ndi zinc-chlorine system.