Ziziphi ukusetyenziswa kweebhetri ze-18650 ze-lithium?

2022/04/08

Umbhali :Iflowpower-UMboneleli weSikhululo saMandla esiphathwayo

Sebenzisa uluhlu olubanzi lweelaptops, ii-walkie-talkies, iiDVD eziphathwayo, izixhobo, izixhobo zomsindo, imifuziselo, iithoyi, iikhamera, iikhamera zedijithali, njl.njl izixhobo zombane 18650 zizinyanya zeempumlo zeebhetri ze-lithium ion - Japan Sony iye yahlaliswa ukuze gcina iindleko. Imodeli yebhetri ye-lithium-ion eqhelekileyo, apho i-18 ibonisa ububanzi be-18 mm, i-65 imele ubude be-65 mm, i-0 imelwe njengebhetri ye-cylindrical.

Iibhetri eziqhelekileyo ze-18650 zihlulwe kwiibhetri ze-lithium-ion, iibhetri ze-lithium iron phosphate. Umbane webhetri ye-lithium-ion yi-voltage ebizwa ngokuba yi-3.7V, ukutshaja kwe-cutoff voltage yi-4.

I-2V, ibhetri ye-lithium phosphate ombane yegama yi-3.2V, i-voltage yokutshaja i-cutoff yi-3.6V, umthamo udla ngokuba yi-1200mAh-3350mAh, umthamo oqhelekileyo ngu-2200mAh-2600mAh.

I-Li-Ion, i-LithiumBattery: Ibhetri ye-lithium ion ineenzuzo zobunzima bokukhanya, umthamo omkhulu, akukho mphumo yememori, kwaye ngoko ifumana isicelo esiqhelekileyo se-18650 lithium ibhetri ye-18650 ibhetri ye-lithium - Izixhobo ezininzi zedijithali zinikwa amandla yibhetri ye-lithium-ion Nangona kunjalo. Ibiza kakhulu nangona ixabiso lixabisa kakhulu. Ubuninzi bamandla ebhetri ye-lithium-ion buphezulu kakhulu, amandla ayo angama-1.5 ukuya kuma-2 ubunzima obufanayo beebhetri ze-NiMH, kwaye inezinga eliphantsi lokuzikhupha.

Ukongeza, ibhetri ye-lithium-ion ayinayo "impembelelo yememori" kwaye izibonelelo zokungabikho kwezinto ezinobuthi nazo zingunobangela obalulekileyo. Kwakhona qaphela ukuba ngaphandle kwebhetri ye-lithium iphawulwe ngokubanzi ngesiNgesi 4.2VLithiumBattery, 4.

2VLithiumsecondaryBattery, 4.2VLithiumionRechargeable battery (itshaja ibhetri ye-lithium), ngoko ke abasebenzisi kufuneka babone iimpawu zokubonakala kwebhlokhi yebhetri xa bethenga iibhetri. Thintela i-cadmium nickel, ibhetri ye-hydrogen-nickel, ukungaqondi kakuhle kuba akukho hlobo loyilo.

Ibhetri yeLithium esemgangathweni 3.7V okanye 4.2V iyafana.

Iyafana kuphela nophawu lomenzi. I-3.7V ibhekisa kumbane weqonga (oko kukuthi, amandla ombane aqhelekileyo) akhutshwa ngexesha lebhetri, kunye ne-4.

I-2 volts yi-voltage ngentlawulo epheleleyo. Isiqhelo sinokubiza i-18650 ibhetri ye-lithium, i-voltage isemgangathweni 3.6 okanye 3.

I-7V, igcwele umbane yi-4.2V, oku kulandelwa (umthamo) akukho mkhulu, i-18650 ibhetri ye-mainstream umthamo ukusuka kwi-1800mAh ukuya ku-2600mAh, (18650 amandla ebhetri amandla) Ngaphezulu kwi-2200 ~ 2600mAh), umthamo wesiqhelo okanye umgangatho we-3500 okanye 4000mAh okanye ngaphezulu (khumbuza wonke umntu, ibhetri yasekhaya "ukuba 3350mAh okanye ngaphezulu kwimarike kusenokwenzeka ukuba fake, umthamo omkhulu wemveliso yasekhaya 3350mAh. ).

Ngokuqhelekileyo kucatshangelwa ukuba i-voltage engekho yomthwalo webhetri ye-lithium ingaphezulu kwe-3.0V, ethathwa njengombane osetyenziswayo (ixabiso elithile lifuna ukubona ixabiso lomgubasi weplate yokukhusela ibhetri, njengephantsi ukuya kwi-2.8V, kunye no3.

2V). Uninzi lokukhutshwa kwebhetri ye-lithium alukwazi ukukhupha i-voltage engekho-mthwalo okanye ngaphantsi, ngaphandle koko ukukhutshwa ngokugqithiseleyo kuya kuyonakalisa ibhetri (ibhetri ye-lithium kwimarike ngokubanzi isetyenziswa ngokusisiseko, ngoko ke ukukhutshwa ngokugqithiseleyo kunokubangela ukuba ibhodi yokukhusela ibone i-Go to the battery, can ungatshaji ibhetri). 4.

I-2V ngowona mbane uphezulu womda wentlawulo yebhetri, ngokuqhelekileyo ithathwa njengehlawulisa i-voltage engekho yomthwalo webhetri ye-lithium ukuya kwi-4.2V igcwele. Ngexesha lenkqubo yokutshaja ibhetri, amandla ombane ebhetri ayanda ukuya kutsho kwi-4.

I-2V, kunye nebhetri ye-lithium ayinakubizwa. I-voltage engekho yomthwalo ingaphezu kwe-4.2V, ngaphandle koko ibhetri iya konakala nayo, eyona ndawo ikhethekileyo kwiibhetri ze-lithium.

18650 ubomi bebhetri Ithiyori kukutshaja okujikelezayo amaxesha angama-1000. Ekubeni umthamo weyunithi yoxinaniso likhulu, uninzi lwazo lusetyenziswa kwiibhetri ze-laptop, ngaphandle kwe-18650 ibhetri ye-lithium 18650 ibhetri ye-lithium, ngenxa yokusebenza kozinzo lwe-18650 emsebenzini, isetyenziswa ngokubanzi kwiinkalo ezinkulu ze-elektroniki: isetyenziswa rhoqo kwi-High-grade. Ithotshi ebambekayo, amandla aphathwayo, isidluliseli sedatha esingenazingcingo, impahla yombane eshushu eshushu, izihlangu, isixhobo esiphathwayo, isibane esiphathwayo, umshicileli ophathwayo, isixhobo soshishino, isixhobo sonyango, njl. njl. 18650 uthetha, 18 mm ubukhulu, 65 mm ubude.

Kwaye imodeli yeNombolo ye-5 yi-14500, i-14 mm ububanzi, i-50 mm ubude. Ngokubanzi, ibhetri ye-18650 isetyenziswa kusetyenziso lwemizi-mveliso, incinci kakhulu, ixhaphakile, ngaphezu kwebhetri yelaptop kunye nethotshi ephezulu.

I-18650 kuphela ubukhulu bebhetri, ngokohlobo lwebhetri, i-18650, i-lithium iron phosphate 18650, i-18650 (enqabileyo) ye-nickel-hydrogen, i-18650 eqhelekileyo i-lithium ion. Umgaqo wokusebenza womgaqo wokutshaja kunye nokukhutshwa kwebhetri ye-lithium-ion uthetha umgaqo wayo wokutshaja kunye nokukhutshwa. Xa utshaja ibhetri, kukho ukuveliswa kwe-lithium ion kwi-electrode efanelekileyo yebhetri, kunye ne-lithium eveliswayo 18650 ibhetri ye-lithium 18650 i-ion ye-lithium ibhetri ihanjiswe kwi-electrode engafanelekanga.

Ikhabhoni njenge-electrode engalunganga i-laminated, kwaye kukho i-micropores eninzi, kwaye i-lithium ion ifikelela kwi-electrode engafanelekanga ifakwe kwi-microporous ye-carbon layer, i-lithium ion ifakwe ngakumbi, iphezulu umthamo wokutshaja. Inyaniso efanayo, xa ukhulula ibhetri (oko kukuthi, inkqubo esisebenzisa ibhetri), i-ion ze-lithium efakwe kwi-carbon electrode engafanelekanga, kwaye ibuyele kwi-electrode efanelekileyo. Okukhona i-lithium ion ibuyela kwi-electrode efanelekileyo, iphezulu umthamo wokukhupha.

Sidla ngokuthi umthamo webhetri ubhekiselele kumthamo wokukhupha. Akunzima ukubona ukuba ngexesha lokuhlawuliswa kunye nokukhutshwa kwebhetri ye-lithium ion, i-lithium ion ikwimo yokunyakaza ye-electrode efanelekileyo → i-electrode engalunganga → i-electrode efanelekileyo. Ukuba sithelekisa umfanekiso webhetri ye-lithium-ion njengesihlalo sokugungqa, iziphelo ezibini zesitulo sokugungqa zizibonda ezimbini zebhetri, kwaye i-lithium ion ifana nemidlalo egqwesileyo, ibaleke ibuyele kwisitulo sokugungqa.

Ke, iingcali zanika ibhetri ye-lithium-ion igama elimnandi lokunyakamisa ibhetri yesitulo. Ulawulo lokuhlawuliswa kwentlawulo kunye nenkqubo yokukhupha ihlulwe ibe yizigaba ezibini. Inqanaba lokuqala lihlala litshaja ngoku, kwaye itshaja iya kuhlawulisa ngoku rhoqo xa umbane webhetri ungaphantsi kwe-4.

2V. Inqanaba lesibini linqanaba lokutshaja ombane rhoqo. Xa amandla ombane ebhetri afikelela kwi-4.

I-2V, ngenxa yeempawu zebhetri ye-lithium, ukuba i-voltage iphezulu, iya konakaliswa, ishaja igxininiswe kwi-4.2V, kwaye umbane wokutshaja uya kuncipha ngokuthe ngcembe, xa ukhoyo xa uncitshiswa kwixabiso elithile (ngokuqhelekileyo i-1/ I-10 iseti yangoku), unqumle isiphaluka sokutshaja, ukuhlawula isalathisi sokugqiba, ukugqitywa kokutshaja. Ukuhlawuliswa okugqithisileyo kunye nokukhutshwa kweebhetri ze-lithium ion kuya kubangela umonakalo osisigxina kwizibonda ezintle kunye nezibi.

Ukukhutshwa okugqithiseleyo kubangela ukuwa kwe-electrode negative carbon sheet structure, kwaye ukuwa kunokubangela i-18650 lithium ishaja ibhetri ye-18650 ishaja yebhethri ye-lithium ngexesha lokutshaja, i-lithium ion ayikwazi ukufakwa; ukutshaja okugqithisileyo kwenza ukugqithisa kwee-ion ze-lithium kufakwe ulwakhiwo lwekhabhoni engalunganga, okukhokelela ekubeni i-moiety Lithium ion ayinakuphinda ikhululwe. Ezinye iitshaja ziphunyezwa kusetyenziswa izisombululo ezingabizi kakhulu, ezingenakulunga ngokwaneleyo ukulawula ukuchaneka, okulula ukubangela ibhetri engaqhelekanga, okanye ukonakalisa ibhetri. Xa uthengela itshaja, zama ukukhetha i-brand 18650 yebhetri ye-lithium-ion enkulu, umgangatho kunye nesiqinisekiso sokuthengisa emva kokuthengisa, ukwandisa ubomi bebhetri.

Ukukhuselwa kweBrand 18650 ishaja yebhetri ye-lithium-ion inezikhuseli ezine: ukukhusela isiphaluka esifutshane, ukukhuselwa kwe-overcurrent, ukukhuselwa kwe-overvoltage, umsebenzi wokukhusela ukubuyisela ibhetri, njl njl. ngenxa yokunyuka kweqondo lokushisa, kuyimfuneko ukuphelisa imeko yokutshaja. Ukuza kuthi ga ngoku, isixhobo sokukhusela kufuneka sibeke iliso kumbane webhetri.

Xa ifika kwibhetri egcweleyo, ukhuseleko lokutshajiswa luyasebenza, kwaye ukutshaja kuyekiwe. Ukhuseleko lokukhupha ngaphezulu: ukuze kuthintelwe imeko yokukhutshwa ngaphezulu kwebhetri ye-lithium ion, xa ibhetri ye-lithium ion iphantsi kunendawo yokufumanisa i-voltage ephuma ngaphezulu, ukhuseleko lokukhupha ngaphezulu, ukukhutshwa kuyasebenza, kwaye ibhetri ibamba ibhetri ikwimowudi yokulinda esezantsi. Ukukhuselwa kwe-Overcurrent and short circuit circuit: Xa ukukhutshwa kwangoku kwebhetri ye-lithium ion kukhulu kakhulu okanye kufutshane, isixhobo sokukhusela siya kusebenzisa umsebenzi wokukhusela ngokugqithisileyo.

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