Intshayelelo:
Ibhetri yeLithiumyibhetri esebenzisa i-lithium metal okanye i-lithium compound njengezinto ze-electrode. Ngenxa yeqonga le-voltage ephezulu, ubunzima obulula kunye nobomi benkonzo ende ye-lithium, ibhetri ye-lithium iye yaba lolona hlobo luphambili lwebhetri olusetyenziswa kakhulu kwi-elektroniki yabathengi, iinkqubo zokugcina amandla, izithuthi zombane kunye nezinye iindawo. Namhlanje, makhe sihlolisise amanyathelo okugqibela okwenziwa kwebhetri ye-lithium, i-Formation-OCV testcapacity-Separation.
Ulwakhiwo
Ukwenziwa kwebhetri yeLithium yinkqubo yokuqala yokutshaja yebhetri emva kokuba ibhetri yeLithium izaliswe lulwelo.
Le nkqubo ingenza izinto ezisebenzayo kwibhetri zisebenze kwayeibhetri ye-lithiumKwangaxeshanye, ityuwa yelithium isabela kunye ne-electrolyte ukuze yenze ifilimu ye-solid electrolyte interface (SEI) kwicala le-electrode elingalunganga lebhetri yelithium. Le filimu inokuthintela ukwenzeka okuqhubekayo kweempendulo ezingalindelekanga, ngaloo ndlela inciphisa ukulahleka kwe-lithium esebenzayo kwibhetri yelithium. Umgangatho we-SEI unempembelelo enkulu kubomi bomjikelo, ukulahleka komthamo wokuqala, kunye nokusebenza kwesantya kweebhetri zelithium.
Uvavanyo lwe-OCV
Uvavanyo lwe-OCV luvavanyo lwe-open circuit voltage, ukumelana kwangaphakathi kwe-AC kunye ne-shell voltage yeseli enye. Luyinxalenye ebaluleke kakhulu kwinkqubo yokuvelisa ibhetri. Kufuneka luhlangabezane nokuchaneka kwe-OCV kwe-0.1mv kunye nokuchaneka kwe-shell voltage ye-1mv. Uvavanyo lwe-OCV lusetyenziselwa ukuhlela iiseli.
Inkqubo yokuvelisa uvavanyo lwe-OCV
Uvavanyo lwe-OCV lulinganisa kakhulu iimpawu zebhetri ngokucinezela iiprobe eziqhagamshelwe kwi-voltage tester kunye ne-internal resistance tester kwiindlebe ezilungileyo nezingalunganga zebhetri ye-soft pack.
Uvavanyo lwe-OCV lwangoku luvavanyo oluzenzekelayo. Umsebenzi ubeka ibhetri ngesandla kwisixhobo sovavanyo, kwaye iprobe yesixhobo sovavanyo idibana neendlebe ezilungileyo nezingalunganga zebhetri ukuze yenze uvavanyo lwe-OCV kwibhetri, aze emva koko ayikhuphe ngesandla aze ayihlele ibhetri.
Ulwahlulo lomthamo webhetri yeLithium
Emva kweqela leiibhetri ze-lithiumzenziwe, nangona ubukhulu bufana, amandla eebhetri aya kwahluka. Ke ngoko, kufuneka zitshajwe ngokupheleleyo kwizixhobo ngokweemfuno, emva koko zikhutshwe (zikhutshwe ngokupheleleyo) ngokwe-current echaziweyo. Ixesha elithathwayo ukukhupha ibhetri liphindaphindwe ngokupheleleyo yi-discharge current yi-capacity yebhetri.
Ukuba nje umthamo ovavanyiweyo ufikelela okanye udlula umthamo ocwangcisiweyo, ibhetri ye-lithium iyafaneleka, kwaye ibhetri enekhono elingaphantsi komthamo ocwangcisiweyo ayinakuthathwa njengebhetri efanelekileyo. Le nkqubo yokukhetha iibhetri ezifanelekileyo ngovavanyo lomthamo ibizwa ngokuba kukwahlulwa komthamo.
Indima kaibhetri ye-lithiumUlwahlulo lwamandla alupheleli nje ekuzinzeni kwefilimu ye-SEI, kodwa lunokufinyeza ixesha elichithwa yinkqubo yolwahlulo lwamandla, lunciphise ukusetyenziswa kwamandla kwaye lonyuse amandla emveliso.
Enye injongo yokwahlulahlula amandla kukwahlulahlula iibhetri ngokweendidi, oko kukuthi, ukukhetha ii-monomers ezinokumelana kwangaphakathi okufanayo kunye nomthamo ofanayo wokudibanisa. Xa zidityaniswe, zezo zisebenza ngendlela efanayo kuphela ezinokwenza ipakethe yebhetri.
Isiphelo
Ekugqibeleni,ibhetri ye-lithiumsele igqibile zonke iinkqubo zeseli yebhetri emva kokuhlolwa ngokupheleleyo, ukutshiza ikhowudi yebanga, ukuhlolwa kokuskena kwebanga, kunye nokupakishwa, ilinde ukuhlanganiswa kwiphakheji yebhetri.
Ngokuphathelele iipakethi zebhetri, ukuba unombono weepakethi zebhetri ze-DIY, iHeltec ibonelelaabavavanyi bomthamo webhetriukukwazisa ukuba uqonde iiparameter zebhetri yakho kwaye ucinge ukuba kufanelekile na ukuhlanganisa iphakheji yebhetri oyifunayo. Sikwabonelelaisilinganisi sebhetriukugcina iibhetri zakho ezindala kunye nokulinganisela iibhetri ngokutshaja okungalinganiyo kunye nokukhupha umbane ukuphucula ukusebenza kakuhle kwebhetri kunye nobomi bayo.
IHeltec Energy liqabane lakho elithembekileyo ekwenzeni iibhetri. Ngokugxila kwethu kuphando nophuhliso, kunye noluhlu lwethu olubanzi lwezixhobo zebhetri, sinikezela ngezisombululo ezihlala zihleli ukuhlangabezana neemfuno eziguqukayo zoshishino. Ukuzinikela kwethu ekugqweseni, izisombululo ezilungiselelwe wena, kunye nobudlelwane obuqinileyo nabathengi kusenza sibe lukhetho olukhethwayo kubavelisi kunye nababoneleli beebhetri kwihlabathi liphela.
Ukuba unemibuzo okanye ungathanda ukwazi okungakumbi, nceda ungathandabuzi ukubuzaqhagamshelana nathi.
Isicelo seNgqikelelo:
UJacqueline:jacqueline@heltec-energy.com/ +86 185 8375 6538
Impumelelo:sucre@heltec-bms.com/ +86 136 8844 2313
UNancy:nancy@heltec-energy.com/ +86 184 8223 7713
Ixesha leposi: Novemba-11-2024