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I-1 Ukuba ngaphezulu kweeyure ze-15, le nkcazo ngokucacileyo yingxelo evela kwiibhetri ze-nickel (ezifana ne-nickel-cadmium kunye ne-nickel hydrogen). Ngoko ngale ndlela, unokuthi isiphelo kukusetyenziswa kakubi. Iimpawu zokutshaja kunye nokukhupha iibhetri ze-lithium-ion kunye neebhetri ze-nickel zingacaca kakhulu, kwaye sinokusixelela ngokucacileyo, lonke ulwazi olusesikweni olusesikweni lobugcisa endiluphononongileyo lugxininisa ukuba ukugqithiswa kunye nokukhutshwa ngokugqithiseleyo kuya kuba ngamaqela eebhetri ze-lithium-ion, ngakumbi. Ibhetri ye-lithium-ion yolwelo ibangela umonakalo omkhulu.
Ke ingaba ibhetri iyasebenza? Impendulo I case is affirmative, funa activation! Nangona kunjalo, le nkqubo iphelile ngokongeza abavelisi, kungakhathaliseki ukuba abasebenzisi, abasebenzisi abanakukwazi ukuphelisa. Inkqubo yokwenyani yokuvula ibhetri ye-lithium ion ifana nokuba ibhetri ye-lithium ion ifakwe i-electrolyte - ukutywinwa - ihlala rhoqo, emva koko i-voltage eqhubekayo ihlawuliswa, emva koko ikhutshwe, ukwenzela ukuba i-electrode ininzi, i-electrolytic fluid ininzi, de umthamo ufikelela kwiimfuno zokuyeka, lo ngumxholo wenkqubo yokuvula, kodwa kwakhona ukuthetha ukuba ibhetri ye-lithium-ion kumsebenzisi sele ivuliwe emva kwefektri. Abanye, kukho inkqubo yokuvula ibhetri kwiibhetri ezikwimeko yokuvula, vula ikamva, ngaphandle kokuba unesixhobo esisetyenzwe ngebhetri, siyintoni isiphelo? Ibhetri ivela kumzi-mveliso, emva koko uthengise, emva koko uye kwizandla zomsebenzisi, uya kuba namava okwethutyana, inyanga enye okanye iinyanga, ngale ndlela, idatha ye-electrode yebhetri iya kudlula, inkcazo iphakamisa ibhetri yokuqala okokuqala. kathathu ngokupheleleyo intlawulo kunye nenkqubo yokukhupha, kukuphelisa ngokukhawuleza ubuqhetseba bedatha ye-electrode Chemical, ukufikelela kwezona zinto ziphezulu I ukusebenza okuphezulu.
Nangona kunjalo, le nkqubo ayisekho imfuno ngokupheleleyo kwiiyure ze-12, kufuneka ibe ngonaphakade. Kwakhona kunokwenzeka ukuphelisa i-passivation ixesha elithile. Ke ngoko, ibhetri entsha ye-lithium ion ikwinkqubo yokuvula, yindlela ekhethekileyo engafunwayo kunye nezixhobo.
Ukongeza, ibhetri ye-lithium-ion okanye itshaja iya kuyeka ngokuzenzekelayo emva kokuba ibhetri iphelile, kwaye akukho ntlawulo ekhohlisayo kwiishaja zombane ze-nickel. Kwakhona kuthiwa kuyatshaja okumhlophe ukuba ibhetri yakho ye-lithium-ion ikwitshaja. Kwaye ngubani na ongenakuqiniseka ukuba iimpawu zebhetri yentlawulo kunye nokukhuselwa kwesekethe yokukhusela ayinakuze itshintshe kunye nomgangatho, ngoko ibhetri yakho iya kuba ngumda womngcipheko.
Esi sesinye isizathu sokuba sikuchase ukubizwa kwexesha elide. Emva kokuba ukutshaja kudlula ixesha elithile, kucingelwa ukuba ishaja ayisuswanga, kodwa inkqubo ayigcini nje ukuyeka ukuhlawula, kodwa ikhupha umjikelo wokutshaja amandla. Mhlawumbi umenzi wale ndlela unenjongo yakhe, kodwa kucacile ukuba inani leebhetri liyancipha.
Kwangaxeshanye, imfuno yokutshaja ixesha elide inde, ihlala ifuna ebusuku, ngelixa kwigridi yamandla yelizwe lam, i-voltage ebusuku iphezulu ngokwentelekiso, kwaye iyaguquguquka enkulu. Njengoko kukhankanyiwe ngaphambili, ibhetri ye-lithium-ion ithambile kakhulu, inamandla kakhulu kunokuba amandla ombane we-nickel ahlawule kwaye akhuphe, ngoko oku kuzisa ingozi eyongezelelweyo. 2.
Xa isicelo esiqhelekileyo kufuneka siqalise ukutshaja ngenxa yokuba inani lentlawulo kunye nokukhutshwa lilinganiselwe, ngoko umbane webhetri ye-lithium ion kufuneka uhlawulwe njengokukhanya ngokusemandleni. Kodwa ndifumene umjikelezo wokutshaja kwebhetri ye-lithium-ion, kwaye idatha kwinani lobomi be-cyclic zidweliswe ngezantsi: inani lobomi be-cyclic (10% DOD): amaxesha angama-1000 kumjikelo (100% DOD): amaxesha angama-200 Khuphela isifinyezo sesiNgesi ubunzulu bokukhupha. Njengoko kunokubonwa kwitheyibhile, inani lamaxesha inani lamaxesha kunye nobunzulu bokukhutshwa, inani le-cyclic life ngexesha le-10% DOD lide kakhulu kune-100% DOD.
Ewe, cinga ukuba ixhotyiswe kumthamo opheleleyo wokutshaja: 10% * 1000 = 100, 100% * 200 = 200, intlawulo yokugqibela ecokisekileyo kunye nokukhutshwa kusengcono, kodwa intetho yomnatha wangaphambili kufanele ukuba. ezinye ezifikelelekayo: Phantsi kweemeko eziqhelekileyo, kufuneka ugcine umgaqo wokutshaja kwakhona ngokuhambelana nebhetri eseleyo, kodwa ukuba ibhetri yakho ayinakwenzeka ukunyanzelisa usuku lonke, kufuneka ihlawulwe kwangexesha, ewe, ucinga ukuba ufuna Ukuthwala itshaja ukuya eofisini ngomnye umcimbi. .
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