About lithium ion battery consistency and response

2022/04/08

Umbhali :Iflowpower-UMboneleli weSikhululo saMandla esiphathwayo

Okokuqala, ibhetri ye-lithium-ion enamandla kakhulu inamandla kakhulu, idibana neengozi, ibangela ukuba i-thermal ingalawuleki, kunye nempendulo yangaphakathi ye-radical kwibhetri. Ngexesha elifutshane, amandla amaninzi akukho ndawo yokukhulula, kuyingozi kakhulu. Ngokukodwa kwizakhono zokhuseleko, ulawulo alukwazi ukuphuhlisa, onke amandla ebhetri kufuneka athintelwe.

Okwesibini, amandla ahlanganiswe yindlu yebhetri ye-lithium-ion, xa sele kubonakaliswe iingozi, abacimi bomlilo, ii-agent zokucima umlilo azikwazi ukuchukumisa, amandla awasuki entliziyweni, anokwahlula kuphela indawo xa ukuhlaselwa, ibhetri ibuyile, ukutshisa amandla kumisiwe. Ewe, ngenxa yezizathu zokhuseleko, ibhetri ye-lithium-ion ngelo xesha icwangcise iindlela ezininzi zokhuseleko. Thatha ibhetri yecylindrical njengomzekelo.

I-valve yokukhusela, xa ukusabela kwangaphakathi kwebhetri kudlula ubungakanani obuqhelekileyo, ukushisa kuphakama, kunye nokuhamba kunye nesizukulwana se-sub-reverb gas, uxinzelelo lufika kwixabiso elicwangcisiweyo, i-valve yokukhusela ivuliwe ngokusebenzayo, ikhutshwe kuxinzelelo. Xa ivalve yokhuseleko ivuliwe, ibhetri ayisebenzi kwaphela. I-Thermistor, ezinye iibhetshi zixhotyiswe nge-thermistor.

Emva kokuba kukho ukuphuphuma, emva kokufikelela kwiqondo lokushisa elithile, ukuchasana kuye kwanda kancinci, i-circuit current yehla, ukunyuka kobushushu bomqobo. I-fuse, ibhetri ixhotywe nge-fuse enomsebenzi we-overflow-fuse, emva kokuba umngcipheko we-overcurrent, isiphaluka sinqanyuliwe, kunye nokuhlaselwa kokufudumala.
Ngeli xesha, kuyimfuneko ukujongana nengxaki kunye nokuqhelekileyo. Amava ethu emihla ngemihla kukuba iibhetri ezimbini ezomileyo, ezilungileyo kunye nezibi zixhunyiwe, kwaye i-flashlight inokukhanya, kwaye nabani na ongasebenzi kunye. Kwaye ukusetyenziswa okukhulu kwebhetri ye-lithium-ion, imeko ayikho lula.

Iiparamitha zebhetri zeLithium-ion azibelani ngomthamo, ukuchasana kwangaphakathi, kunye nombane ovulekileyo. Intambo yebhetri engaqhelekanga isetyenziswe kunye, iya kubonisa ingxaki elandelayo. I-1) Ukulahlekelwa kwamandla, i-monomer yeseli yenza ipakethi yebhetri, umthamo uhambelana nomgaqo webhakethi yokhuni, umthamo webhetri uthatha isigqibo sokuba yonke iphakheji yebhetri.

Ukuze uthintele ibhetri ezaliswe ngokugqithisileyo, ingqiqo yebhetri ivunyelwe ukuba: ukukhupha, xa i-monomer voltage ephantsi ifikelela kwi-discharge cutoff voltage, yonke ibhetri yebhethri iyeka ukukhutshwa; xa utshaja, xa umbane ophezulu we-monomer uchukumisa i-cutoff yokutshaja, Yeka ukutshaja. Thatha iibhetri ezimbini kuthotho. Umthamo webhetri omnye 1c, omnye umthamo ode ube ngu-0.

9c. Ubudlelwane bochungechunge, iibhetri ezimbini zidlula umsinga omkhulu ofanayo. Xa utshaja, ibhetri enomthamo omncinci kufuneka iphuphume ngokupheleleyo, ifikelele kumhla wokugqibela wokutshaja, inkqubo ayisaqhubeki ukutshaja.

Xa ukukhutshwa kukhutshwa, ibhetri incinci, kwaye kufuneka iqale ibeke ukukhanya, kwaye inkqubo ingasetyenziselwa, kwaye inkqubo kufuneka imise ukukhutshwa. Ngale ndlela, iiseli zebhetri ezinomthamo omncinci zihlala zihlawulwe, kwaye ibhetri enomthamo omkhulu ibisoloko isetyenziswa kwinxalenye yomthamo. Umthamo opheleleyo wepakethi yebhetri yonke inxalenye yesimo esingasebenziyo 2) Ilahlekile, ifanayo, ipakethe yebhetri, isiseko sebhetri sinqunywe ngowona mncinci wobomi.

Inkulu kakhulu, eyona bhetri imfutshane, ibhetri imfutshane, yibhetri encinci. Ibhetri umthamo omncinci, ixesha ngalinye izele overproduction, ebanzi, wafika kakhulu kwinani lokuzalwa. Ukuphela kwenani leebhetshi zeeseli zebhetri, iseti yeebhetshi ezithengiswayo, ezilandelwa lihlabathi.

I-3) Ukuchasana kwangaphakathi kwanda, ukuchasana okuhlukeneyo kwangaphakathi, ukugeleza kwinqanaba elifanayo, ukuchasana kwangaphakathi kweseli yombane kuthelekiswa ngakumbi. Ubushushu bebhetri buphezulu kakhulu, kwaye isantya sokuwohloka komgaqo-siseko sikhawuleza, kwaye ukuchasana kwangaphakathi kuya kwanda ngakumbi. Ukuxhathisa kwangaphakathi kunye nokunyuka kwamaqondo obushushu, zenza iperi yengxelo engalunganga, ukuze ibhetri ephezulu yokumelana nayo iyancipha.

Ezi parameters ezintathu zingasentla azizimele ngokupheleleyo, kwaye ukuchasana kwangaphakathi kwinqanaba lokuguga kukhulu, kwaye ukuthotywa kwamandla kuninzi. Ngokwahlukileyo chaza, funa nje ukuyichaza ngokucacileyo ngempembelelo yabo. Indlela yokujongana nokungaphumeleli kweeseli ezingabonakaliyo, zenziwe kwinkqubo yokucubungula, inzulu ngexesha lesicelo.

Ibhetri ekwipakethi yebhetri enye ayinamandla, kwaye ayinamandla. Iqondo lokucalula phakathi kweengxoxo phakathi kweeseli zeyunithi, kunye nokunyusa izinga lokuguga. Ngelo xesha, injineli ayikwazanga ukusebenza kunye nebhetri ye-monomer.

Ukuhlelwa kwebhetri ye-Monomer, emva kweqela, lixesha lokuphatha, kunye nenani elincinci lexesha elingaqhelekanga lokucutshungulwa kwebhetri lilinganisiwe. 1) Ubungakanani beebhetshi ezahlukeneyo zeebhetshi, ngokwethiyori musa ukudibanisa. Nokuba ibhetshi enye ikhethiwe, faka iiparamitha kwibhetri yepakethi kwibhetri enye.

Injongo yokhetho kukukhetha ibhetri efana neeparamitha. Indlela yokuhlela ixoxiwe iminyaka emininzi, ulwahlulo oluphambili lokuhlela okumileyo kunye nokuhlelwa okuguquguqukayo amacandelo amabini. Ukuhlelwa kwe-Static, ukhetho lweeparamitha zeempawu ezifana nombane wesekethe evulekileyo, ukuxhathisa kwangaphakathi, umthamo webhetri, iiparamitha ezikhethiweyo zomgaqo-nkqubo, ukwazisa i-algorithms yamanani, ukucacisa okukhethiweyo, kwaye ekugqibeleni uhlukanise ibhetshi enye yeecores zombane zibe ngamaqela amaninzi.

Ukukhethwa kweDynamic kukukhethwa kweempawu ezibonakaliswe ngexesha lokuhlawuliswa kunye nenkqubo yokukhupha. Abanye bakhetha inkqubo yokutshaja rhoqo koxinzelelo lwangoku, kwaye enye ye-pulse shock charge and discharge process, abanye bazithelekisa phakathi kokutshaja kunye nokukhupha ubudlelwane bejika. Indibaniselwano eguquguqukayo ikhethiwe, kwaye iqela lokuqala lenziwa ngokukhetha okumileyo.

Ngesi siseko, ukhetho oluguquguqukayo lwenziwa, olungaphezulu kweqela, kodwa ukuchaneka kuphezulu, kodwa iindleko ziya kuvuka ngokufanelekileyo. Oku kubonakaliswa okuncinci kwe-lithium-ion ye-bettery processing scale scale. Ukuthunyelwa kweenqanawa ezinkulu kwenza abavelisi benze ukuhlelwa okucwangcisiweyo ngakumbi, ukufumana ipakethe yebhetri.

Ukuba imveliso incinci kakhulu, kukho iipakethi ezininzi, kwaye ibhetshi ayinakuxhotyiswa ngepakethi yebhetri, kwaye indlela efanelekileyo ayinakuboniswa. 2) I-Thermal ayiyi kufana nokuchasana kwangaphakathi, kwaye ukushisa akufani. Ukudibanisa kwenkqubo ye-thermal kunokulungelelanisa iqondo lokushisa kwipakethi yebhetri yonke ukuyigcina kwisikali esincinci.

Ukuvelisa iiseli ezishushu ezingakumbi, amaqondo obushushu, kodwa azizukutsala umgama ukusuka kwezinye iiseli, kwaye umgangatho wokuwohloka awuzukubonisa umgama obalulekileyo. I-3) Ukulinganisa ukungahambelani kwemodyuli, enye i-voltage engundoqo yombane yokuphela kombane, rhoqo kwangaphambili, ifike kwinqanaba lokulawula, okubangelwa umthamo omncinci. Ukuze kulungiswe le ngxaki, inkqubo yokuphatha ibhetri ye-BMS icwangcise umsebenzi olungeleleneyo.

Undoqo othile ngowokuqala ukufikelela kumbane wokutshaja we-cutoff, kwaye umbane oseleyo wombane ubambekile kakhulu, i-BMS iqala ukutshaja ukulingana, okanye ukuchasana nokufikelela, inxalenye yeseli yombane ophezulu, okanye ukuhambisa ukuhanjiswa kwamandla, uyibeke Ibhetri yombane ophantsi. Ngaloo ndlela, umhla wokugqibela wokutshaja ukhululiwe, inkqubo yokutshaja iqala kwakhona, kwaye ipakethe yebhetri ihlawuliswa kumandla angaphezulu.

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