Otu esi arụ ọrụ batrị Redox Flow

Otu esi arụ ọrụ batrị Redox Flow

Nkewa nke ike na ike bụ isi ihe dị iche iche nke RFB, ma e jiri ya tụnyere ndị ọzọusoro nchekwa electrochemical. Dị ka akọwara n'elu, a na-echekwa ike usoro ahụ na olu nke electrolyte, nke nwere ike ịdị mfe na nke akụ na ụba n'ime awa kilowatt ruo iri iri nke megawatt-awa, dabere n'ịdị elu.tankị nchekwa. A na-ekpebi ike ike nke usoro ahụ site na nha nke nchịkọta nke mkpụrụ ndụ electrochemical. Ọnụ ọgụgụ nke electrolyte na-asọba na nchịkọta electrochemical n'oge ọ bụla adịkarịghị karịa pasent ole na ole nke ọnụọgụ electrolyte dị ugbu a (maka ọkwa ike nke kwekọrọ na mwepu na ike a tụrụ anya maka awa abụọ ruo asatọ). Enwere ike ịkwụsị ọsọ ọsọ n'oge ọnọdụ mmejọ. N'ihi nke a, adịghị ike nke sistemu na mwepụta ike a na-achịkwaghị achịkwa n'ihe gbasara RFB bụ site na nhazi usoro na-ejedebe na pasent ole na ole nke ike echekwara. Njirimara a dị iche na ngwugwu, ụlọ nchekwa nchekwa cell agbakwunyere (lead-acid, NAS, Li Ion), ebe a na-ejikọta ike zuru oke nke usoro ahụ n'oge niile ma dị maka nkwụsị.

Nkewa nke ike na ume na-enyekwa mgbanwe nhazi na ntinye nke RFBs. Enwere ike ịhazi ikike ike (nha nchịkọta) ozugbo na ibu metụtara ma ọ bụ na-emepụta ihe bara uru. Enwere ike ịhazi ikike nchekwa (nha nke tankị nchekwa) na-adabere na mkpa nchekwa ike nke ngwa a kapịrị ọnụ. N'ụzọ dị otu a, RFB nwere ike ịnye usoro nchekwa kachasị maka ngwa ọ bụla. N'ụzọ dị iche, a na-edozi oke nke ike na ike maka sel jikọtara ọnụ n'oge nhazi na imepụta sel. Akụ na ụba nke ọnụ ọgụgụ dị na mmepụta cell na-amachi ọnụ ọgụgụ bara uru nke ụdị mkpụrụ ndụ dị iche iche dị. N'ihi ya, ngwa nchekwa nwere sel agbakwunyere ga-enwekarị ike ike ma ọ bụ ike ike.

Enwere ike kewaa RFB ụzọ abụọ: 1) eziokwuredox eruba batrị, ebe ụdị kemịkalụ niile na-arụ ọrụ na-echekwa ike na-agbaze n'ụzọ zuru ezu na ngwọta mgbe niile; na 2) ngwakọ redox eruba batrị, ebe opekata mpe otu ụdị kemịkal ka etinyere dị ka ihe siri ike na mkpụrụ ndụ electrochemical n'oge ụgwọ. Ọmụmaatụ nke ezi RFB gụnyeresistemu vanadium-vanadium na iron-chromium. Ọmụmaatụ nke ngwakọ RFBs gụnyere zinc-bromine na usoro zinc-chlorine.