Ngokumalunga nebhetri ye-lithium ion kunye nokuphendula

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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 asongelwe yindlu yebhetri ye-lithium-ion, xa sele ibonakaliswe iingozi, abacimi bomlilo, ii-agent zokucima umlilo azikwazi ukuchukumisa, amandla awaveli entliziyweni, anokwahlula kuphela indawo xa uhlaselo luyi, ibhetri ibuyile, ukutsha kwamandla kumisiwe. Ngokuqinisekileyo, ngenxa yezizathu zokhuseleko, ibhetri ye-lithium-ion ngelo xesha icwangcise iindlela ezininzi zokhuseleko. Thatha ibhetri yecylindrical njengomzekelo.

I-valve yokhuseleko, 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 ibhetri yonke iphakheji.

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 kangango 0.

9c. Ubudlelwane bochungechunge, iibhetri ezimbini zidlula umsinga omkhulu ofanayo. Xa utshaja, ibhetri enomthamo omncinci kufuneka iphuphume ngokupheleleyo, ifike 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 zigcwele ngaphezulu, kwaye ibhetri enomthamo omkhulu ibisoloko isetyenziswa kwinxalenye yomthamo. Umthamo opheleleyo wepakethi yebhetri yonke kwinxalenye yesimo esingasebenziyo 2) Ilahlekile, efanayo, ipakethe yebhetri, isiseko sebhetri sichongwa ngobuninzi obufutshane bobomi.

Inkulu kakhulu, eyona bhetri imfutshane, ibhetri imfutshane, yibhetri encinci. Umthamo omncinci webhetri, ixesha ngalinye ligcwele ukuveliswa okugqithisileyo, okubanzi, kwafika kakhulu kwinani lokuzalwa. Ukuphela kwenani leebhetshi zeeseli zebhetri, iseti yeebhetshi ezithengiswayo, ezilandelwa lihlabathi.

I-3) Ukuchasana kwangaphakathi kwanda, ukuchasana okuhlukeneyo kwangaphakathi, ukugeleza kumbane ofanayo, 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, ukwenzela ukuba 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 ukuyibonakalisa ngokucacileyo ngempembelelo yabo. Indlela yokujongana nokungaphumeleli kweeseli ezingabonakaliyo, zenziwa 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 lokulungisa ibhetri lilinganisiwe. 1) Ubungakanani beebhetshi ezahlukeneyo zeebhetshi, ngokwethiyori musa ukudibanisa. Nokuba ibhetshi enye ikhethiwe, faka iiparamitha kwipakethi yebhetri kwipakethi yebhetri, kwipakethi yebhetri efanayo.

Injongo yokhetho kukukhetha ibhetri efana neeparamitha. Indlela yokuhlela ixoxiwe iminyaka emininzi, ulwahlulo oluphambili lokuhlela okumileyo kunye nokuhlelwa okuguquguqukayo kweendidi ezimbini. 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 olushukumisayo lwenziwa, olungaphezulu kweqela, kodwa ukuchaneka kuphezulu, kodwa iindleko ziya kuvuka ngokufanelekileyo. Oku kubonakaliswa okuncinci kwesikali esinamandla se-lithium-ion yokucubungula ibhetri. 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. I-2) I-Thermal ayiyi kufana nokuchasana kwangaphakathi, kwaye ukushisa akufani. Ukudibanisa kwenkqubo ye-thermal kunokulungelelanisa umahluko weqondo lokushisa kwipakethi yebhetri yonke ukuyigcina kwisikali esincinci.

Ukuvelisa iiseli ezishushu ezingakumbi, kusekho amaqondo obushushu, kodwa aziyi kutsala umgama ukusuka kwezinye iiseli, kwaye umgangatho wokuwohloka awuzukubonisa umgama obalulekileyo. I-3) Ukulinganisa ukungahambelani kwemodyuli, enye i-voltage engundoqo yombane yokuphela kombane, rhoqo kusengaphambili, ifike kumda wokulawula, 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 ukudlulisa ukuhanjiswa kwamandla, uyibeke Ibhetri yombane ophantsi. Ngaloo ndlela, umhla wokugqibela wokutshaja ukhululiwe, inkqubo yokutshaja iqala kwakhona, kwaye ipakethe yebhetri ihlawuliswa kumandla amaninzi.