Yuav ua li cas Temperature Sensitivity cuam tshuam lithium roj teeb?

Cov roj teeb lithium tau dhau los ua ib feem tseem ceeb ntawm lub zog tshiab ecosystem, siv txhua yam los ntawm lub tsheb hluav taws xob thiab lub zog cia chaw rau khoom siv hluav taws xob. Txawm li cas los xij, ib qho kev sib tw uas cov neeg siv thoob ntiaj teb ntsib yog qhov cuam tshuam tseem ceeb ntawm qhov kub thiab txias ntawm lub roj teeb kev ua haujlwm - lub caij ntuj sov feem ntau coj teeb meem xws li roj teeb o thiab to, thaum lub caij ntuj no ua rau txo qis ntau yam thiab tsis zoo them nqi. Qhov no yog rooted nyob rau hauv qhov kub thiab txias rhiab heev ntawm lithium roj teeb, nrog lithium hlau phosphate roj teeb, ib tug ntawm cov feem ntau siv hom, ua tau zoo ntawm 0 ° C thiab 40 ° C. Tsis pub dhau qhov no, cov tshuaj tiv thaiv sab hauv thiab ion tsiv teb tsaws chaw ua haujlwm ntawm qhov ua haujlwm siab tshaj plaws, ua kom muaj zog tshaj tawm.

Kub sab nraum lub qhov rais nyab xeeb no ua rau muaj kev pheej hmoo loj rau cov roj teeb lithium. Nyob rau hauv ib puag ncig kub kub, electrolyte volatilization thiab decomposition sai, txo ion conductivity thiab muaj peev xwm tsim roj uas ua rau lub roj teeb o los yog tawg. Tsis tas li ntawd, cov qauv kev ruaj ntseg ntawm cov khoom siv electrode deteriorates, ua rau irreversible peev xwm poob. Qhov tseem ceeb tshaj, cov cua kub ntau dhau tuaj yeem ua rau thermal khiav tawm, cov tshuaj tiv thaiv kab mob uas yuav ua rau muaj kev nyab xeeb, uas yog qhov ua rau muaj kev ua haujlwm tsis zoo hauv cov khoom siv hluav taws xob tshiab. Qhov kub tsis tshua muaj teeb meem sib npaug: nce electrolyte viscosity slows lithium ion tsiv teb tsaws, tsa sab hauv tsis kam thiab txo cov nqi hluav taws xob. Kev quab yuam them nyiaj hauv cov xwm txheej txias tuaj yeem ua rau lithium ions los nag rau ntawm qhov chaw tsis zoo electrode, tsim cov lithium dendrites uas tho qhov sib cais thiab ua rau lub voj voog luv luv, ua rau muaj kev nyab xeeb tseem ceeb.

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Txhawm rau txo cov kev pheej hmoo ntawm qhov kub thiab txias, Lithium Battery Protection Board, feem ntau hu ua BMS (Battery Management System), yog qhov tseem ceeb. Cov khoom zoo BMS yog nruab nrog cov high-precision NTC kub sensors uas tsis tu ncua saib xyuas roj teeb kub. Thaum qhov kub thiab txias tshaj qhov txwv tsis pub, lub kaw lus ua rau lub tswb nrov; nyob rau hauv cov xwm txheej kub ceev spikes, nws tam sim ntawd activates tiv thaiv kev txiav tawm Circuit Court, tiv thaiv kev puas tsuaj ntxiv. Advanced BMS nrog cov cua kub cua kub tswj logic kuj tseem tuaj yeem tsim cov kev ua haujlwm zoo rau cov roj teeb hauv qhov chaw txias, daws cov teeb meem zoo li kev txo qis thiab them nyiaj nyuaj, ua kom muaj kev ruaj ntseg nyob rau ntau qhov xwm txheej kub.

Raws li lub hauv paus tseem ceeb ntawm lithium roj teeb kev nyab xeeb system, BMS kev ua haujlwm siab tsis tsuas yog tiv thaiv kev ua haujlwm kev nyab xeeb tab sis tseem txuas ntxiv roj teeb lub neej, muab kev txhawb nqa tseem ceeb rau kev ua haujlwm txhim khu kev qha ntawm cov khoom siv hluav taws xob tshiab.


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