Igama lesiNgesi le-valve-regulated lead-acid battery yi-Valve Regulated Lead Battery (ibhetri ye-VRLA ngokufutshane).Kukho ivalve yendlela enye yokukhupha (ekwabizwa ngokuba yivalve yokhuseleko) kwikhava.Umsebenzi wale valve kukukhupha igesi xa isixa segesi ngaphakathi kwebhetri sidlula ixabiso elithile (elidla ngokubonakaliswa ngexabiso loxinzelelo lomoya), oko kukuthi, xa uxinzelelo lomoya ngaphakathi kwebhetri lukhuphukela kwixabiso elithile.Ivalve yegesi izivula ngokuzenzekelayo ukukhupha igesi, ize ivale ngokuzenzekelayo ivalve ukuthintela umoya ukuba ungangeni ngaphakathi ebhetrini.
Ubunzima bokutywina iibhetri ze-lead-acid yi-electrolysis yamanzi ngexesha lokutshaja.Xa ukutshaja kufikelela kumbane othile (ngokubanzi ngaphezu kwe-2.30V / iseli), i-oksijini ikhululwa kwi-electrode enhle yebhetri, kwaye i-hydrogen ikhutshwa kwi-electrode engalunganga.Kwelinye icala, irhasi ekhutshiweyo ikhupha inkungu yeasidi ukungcolisa okusingqongileyo;Ibhetri ye-lead-asidi elawulwa yivalve yimveliso ephuhliswe ukoyisa ezi ntsilelo.Iimpawu zayo zemveliso zezi:
(1) I-Multi-element i-alloy yegridi yekhwalithi ephezulu isetyenziselwa ukuphucula i-overpotential yokukhululwa kwegesi.Oko kukuthi, i-alloy yegridi yebhetri eqhelekileyo ikhupha igesi xa ingaphezulu kwe-2.30V/cell (25°C).Emva kokusebenzisa i-alloys ye-multi-component high-quality, igesi ikhutshwa xa iqondo lokushisa lingaphezulu kwe-2.35V / monomer (25 ° C), elinciphisa inani legesi ekhutshweyo.
(2) Vumela i-electrode engalunganga ibe nomthamo ogqithisileyo, oko kukuthi, i-10% yamandla angaphezu kwe-electrode efanelekileyo.Kwinqanaba lamva lokutshaja, ioksijini ekhutshwe yi-electrode elungileyo idibana ne-electrode engalunganga, iphendule, kwaye ihlaziye amanzi, oko kukuthi, O2+2Pb→2PbO+2H2SO4→H2O+2PbSO4, ukuze i-electrode engalunganga ibekwimeko engachajiyo. ngenxa yesenzo seoksijini, ngoko ke akukho hydrogen iveliswayo.I-oksijini ye-electrode ephilileyo ifunxwa yi-lead ye-electrode engafanelekanga, kwaye iphinda iguqulwe ibe ngamanzi, ebizwa ngokuba yi-cathode absorption.
(3) Ukuze kuvumeleke ioksijini ekhutshwe yi-electrode elungileyo ukuba ihambe iye kwi-electrode engalunganga ngokukhawuleza, uhlobo olutsha lwe-ultra-fine glass fine fibre separator eyahlukileyo kwi-microporous separator yerabha esetyenziswa kwiibhetri eziqhelekileyo ze-asidi. kufuneka isetyenziswe.I-porosity yayo inyuswe ukusuka kwi-50% ye-rubber separator ukuya ngaphezu kwe-90%, ukuze i-oksijini ikwazi ukuhamba ngokulula kwi-electrode engalunganga kwaye iguqulelwe emanzini.Ukongeza, i-ultra-fine glass fiber separator inomsebenzi wokubhengeza i-electrolyte ye-sulfuric acid, ngoko ke nokuba ibhetri iyachithwa, i-electrolyte ayiyi kuphuphuma.
(4) Ulwakhiwo lokucoca ivalve etywiniweyo olulawulwa yi-asidi luyamkelwa, ukuze inkungu ye-asidi ingakwazi ukubaleka, ukuze kuphunyezwe injongo yokhuseleko kunye nokukhuselwa kwendalo.
Kwinkqubo yokufunxa i-cathode ekhankanywe ngasentla, ekubeni amanzi avelisiweyo akakwazi ukuphuphuma phantsi kwemeko yokutywinwa, ibhetri ye-lead-asidi elawulwa yivalve inokukhululwa kulondolozo lwamanzi olongezelelweyo, olukwayimvelaphi ye-valve-regulated lead etywiniweyo. -ibhetri yeasidi ebizwa ngokuba yi-dimension-free battery.Nangona kunjalo, intsingiselo yokungabikho kwesondlo ayithethi ukuba akukho lungiso lwenziwayo.Ngokuchasene noko, ukuze kuphuculwe ubomi benkonzo yeebhetri zeVRLA, kukho imisebenzi emininzi yokugcina elindele ukuba siyenze.Indlela yokusetyenziswa echanekileyo inokuphononongwa kuphela ngexesha lenkqubo.phuma.
Ukusebenza kombane kwiibhetri ze-lead-asidi kulinganiswa ngezi parameters zilandelayo: amandla ebhetri e-electromotive, i-voltage yesekethe evulekileyo, i-voltage yokuphela, i-voltage esebenzayo, i-dicharge current, umthamo, ukuxhathisa kwangaphakathi kwebhetri, ukusebenza kokugcinwa, ubomi benkonzo (ubomi bokudada, intlawulo kunye nokukhutshwa. ubomi bomjikelezo), njl.
Ixesha lokuposa: Apr-26-2022
