18650 Battery Charging Guide: Qhov Yeej Siv Thiab Qhov Yeej Tsis Siv

Kev siv txoj kev sib ntsib yooj yim yog qhov tseem ceeb heev rau kev nyap siab ntau tiam ntawm koj 18650 battery . Cov li-ion battery no tau hla tshaj tawm los ua kev pib rau qhov chaw sib xyaw ntau, ntawm laptop thiab roj teeb kho vaj tse thiab mus rau cov roj teeb siv hluav taws khaus thiab kev ruaj khov roj. Kev paub txog kev sib ntsib tswv yim tsis only qhia tias battery zoo li cas tab sis tseem tiv thaiv kev puas tsuaj uas tuaj yeem ploj los ntawm kev tsis sib ntsib.

Daim ntawv pov tseg 18650, sib npaug 18mm nyob rau sab laj thiab 65mm nyob rau sab xis, txhais tau tias yog ib qhov chaw tsim kws tseem ceeb tshaj plaws hauv kev lag luam nyiaj cuam siv tshwj xeeb. Cov daim ntawv pov tseg no muaj zog siab heev thiab zoo li cas li cas yog tias muab ntxiv zog thiab saib xyuas tau lus. Tab sis, kev ntxiv zog tsis raug yuav ua rau kho kom tsawg dua, lub sijhawm siv lom zem, lossis txhob pub muaj kev phem nyot zoo li kev ploj zog hluas mus.

Paub txog Kev Tsim Ntawv Pov Tseg 18650 thiab Lus Qhia Tshawb Nrhiav

Lus Qhia Tshawb Nrhiav Txog Lithium-Ion

Daim ntawv pov tseg 18650 ua haujlwm los ntawm lithium-ion technology, uas lithium ions txuas ntxiv mus rau hauv qhov chaw positive cathode thiab negative anode thaum muaj kev nres thiab tso tawm. Thaum tso tseg, daim duab ntau tshaj li siv los tso cov lithium ions mus rau hauv anode, nyob ib leeg lub zog hluav taws xob. Qhov kev tuag no yog qhov tseem ceeb heev rau voltage, current, thiab teeb liab, yog li kev tso tseg yooj yim yog qhov tseem ceeb rau kev ua haujlwm zoo.

Kev paub txog qhov voltage ntawm daim ntawv pov tseg 18650 yog qhov tseem ceeb rau kev tso tseg yooj yim. Cov cell no feem ntau ua haujlwm ntawm 2.5V thiab 4.2V, uas 3.7V yog qhov voltage tseem ceeb. Yog tias tso siab dua 4.2V thaum tso tseg, yuav tshwm sim kev pu tsuaj rau qhov chaw cell, thaum tso voltage saib xyaw dua 2.5V yuav tshwm sim kev tig hauv qhov chaw tswj kom tso tseg thiab tseem yuav tsis tuaj yeem siv tau.

Kev Tso Tseg Current thiab Voltage Txhais Lus

Txoj kev siv hluav taws xob rau ib lub 18650 battery yuav tsum tsis txhob ntau dua li qhov muaj nyob rau hauv qhov chaw tsim khoom, feem ntau yog qhov muaj nyob rau hauv qhov hluav taws xob (C-rate). Lub 18650 battery tshwj tsis feem ntau tuaj yeem txaus siab tias yuav tsum tau siv hluav taws xob ntawm 0.5C thiab 1C, txhais tau tias lub battery 3000mAh yuav tsum tau siv hluav taws xob ntawm 1.5A thiab 3A. Yog tias npog qhov no, yuav tsim tau qhov ntxuav ntau thiab yuav ploj tshaj lub battery.

Kev saib xyuas qhov voltage zoo tshiab nyob thaum kev siv hluav taws xob ua kev ob kauj ruam uas hu ua CC/CV charging. Lub sijhawm hluav taws xob raug sau ua ib qho kev txaus siab txog thaum lub battery txog qhov 4.2V, tom qab ntawd yog lub sijhawm voltage txaus siab thaum hluav taws xob rov qib hauv qab thaum lub battery ncav qha mus rau qhov txaus. Txoj kev no txheej tias lub battery yuav txaus siab tab sis tsis txhob npog qhov uas yuav tsum ploj lub 18650 battery.

Cov cuab yeej siv hluav taws xob zoo tshiab thiab cov lwm yas tswj fais

Xaiv cov charger uas raug

Kev xaiv tus txhaj tshuab siv rau koj lub 18650 battery yog qhov tseem ceeb rau kev ua haujlwm thiab kev nyob deb. Tus txhaj tshuab lithium-ion tsim tseg rau 18650 cells muaj feem ntau tso cai rau voltage thiab current regulation uas tseem ceeb rau kev nyob deb. Cov txhaj tshuab no feem ntau muaj ntau yam kev nyob deb xws li kev tshuab kom tsis txhob overcharge, kev sau hli ntawm kub, thiab kev tshuab kom tsis txhob reverse polarity kom tswj yeej lub battery thiab cov khoom siv txhaj tshuab.

Cov txhaj tshuab zoo rau 18650 batteries feem ntau muaj kev sib txiav txiav ntawm kev siv hluv siab, txhais tau hais tias tus neeg siv tuaj yeem xaiv kev siv hluv siab kom nyab xeeb rau kev nyob ntev ntawm lub battery lossis siv hluv siab dua thaum kheej kub. Cov smart charger muaj microprocessor control tuaj yeem pom lub chemistry, capacity, thiab txoj kev nyob ntawm lub battery nrog lub sijhawm, thiab pab kho kev siv hluv siab raws li yuav tsum los pab kev siv hluv siab zoo dua rau txhua lub cell.

Khoom Nyob Deb thiab Qhov KeV Nyob Rau Hauv Chaw

Kev tsim kho ob thiab nyob rau qhov chaw siv feem rau lub 18650 battery yuav tsum muaj kev xav txog ntau yam cuab yeej hauv av. Qhov chaw siv feem yuav tsum muaj dej nkhaus zoo, nyob deb ntawm yam khoom uas tuaj yeem dag, thiab tswj xyuas kom sov ntawm 32°F thiab 113°F (0°C thiab 45°C). Cov teeb meem kub txias tuaj yeem muaj kev pheej nyav rau kev siv feem thiab ob, thiab tuaj yeem cuam tshuam rau kev kub hlu ib cheeb, lossis kev txo qhov capacity tag nrho.

Cov khoom lag luam tseem ceeb rau ob tau suav nrog lub tsoom phooj, lub neeg tshem dag uas raug sau rau kev tshem dag feem, thiab daim ntawv tsis siv feem rau kev siv feem. Ntau tus neeg siv nyob meej kuj siv cov pouch siv feem khaws dag lossis cov chaw khaws los yog cov chaw siv feem tsim tshwj xeej rau lithium-ion battery, muab ib qhov rooj nyob ntxiv rau kev tseg dag nyob rau thaum kev siv feem.

Kev Siv Feem Txoj Cai Kev Pib Thiab Lwm Txoj Keeb Kwm Zoo

Kev Saib Xyuas Thiab Tsim Kev Pib Thaum Yeej Siv Feem

Kab ua ke ntxiv tshuab, txhua lub 18650 yuav tsum tau muaj kev saib xyuas nrog kev saib saum npoo los ntawm kev kuaj xyuas rau kev puas tsuaj, kab mob, lossis kev tshuaj tso tawm. Lub tshuab puas tsuaj tsis pub ntxiv thiab yuav tsum tshem tawm raws li lwm hom nyiaj uas tsis zoo. Saib xyuas cov cuab yeej ntawm lub tshuab rau kev khaum lossis daim ntawv uas tuaj yeem tshem tawm kev sib txuas hluav taws xob.

Kev muab ntsuas qhov chaw pib hluav taws xob ntawm lub 18650 ua vor tshuab pib ntxiv tshuab muab cov ntaub ntawv tseem ceeb txog qhov chaw nyob hauv lub sijhawm no thiab pab pom qhov kev ntxiv tshuab tswj hwm. Cov tshuab uas muaj hluav taws xob saum 2.5V yuav tsum tau muaj kev kho kom zoo lossis yuav tsum tau xaiv tshiab, vim tias kev ntxiv tshuab ntau dua feem ntau tuaj yeem ua rau lub tshuab puas tsuaj tsis tuaj yeem kho.

Kev Ntxiv Tshuab Zoo Tshaj Plaws

Kev nruab lub roj teeb rwb lub tshuab nres roj sib thooj xws li yuav tsum muaj kev txiav txim siab tias lub roj teeb thiab lub tshuab nres roj muaj kev txiav txim siab tshiab. Lub tshuab nres roj tseem ceeb tshaj plaws muaj qhov sau ntxiv thiab qhov chaw txiav txim siab kom tsis pub nruab hlo li, uas tuaj yeem ua rau phom sij lub roj teeb thiab lub tshuab nres roj. Xaiv xyuas tias lub tshuab nres roj muaj kev txiav txim siab sib xws nrog lub roj teeb ua vor pib kev nres roj.

Xyuas kev nres roj tas li, tshaj tshua nyob rau hauv ob peb zaug nres roj tam sim thaum muaj lub roj teeb 18650 lossis lub tshuab nres roj tshiab. Lub tshuab nres roj tshiab tseem ceeb tshaj plaws muaj qhov saum npog pom tau qhia tias kev nres roj, yam li cas yog qhov nres roj pib, thiab qhov teeb meem uas tuaj yeem tshwm sim nyob hauv kev nres roj. Sijhawm nres roj feem ntau nyob ntswm 2 rau 6 awmas nyob ntawm lub roj teeb muaj neeg nres roj, kev nres roj, thiab qhov chaw pib nres roj.

Qhov tsim nyuj lawm nyob rau kev nres roj thiab yuav ua li twb kom tsis txhob tau

Nres roj loj heev thiab qhov voltage tsis raug

Kev ntx tawm yog ib qhov nyuaj tshaj plaws uas tsis txaus siab rau kev nyob dav hlau thiab kev nyob ruaj khov ntawm 18650 battery. Yog tso battery nrog nrog cov khaub ncaws tom qab battery tau npav lawm, yuav ua rau voltage loj dua qhov tseem ceeb, tsim tej tshuaj kub ntau thiab tuaj yeem cuam tshuam rau thermal runaway. Nco ntsoov siv cov khaub ncaws muaj feem tswj automatic uas yuav tig khaub ncaws thaum voltage ntawm battery txog 4.2V thiab khaub ncaws current hlawv mus txog qhov predetermined cutoff level.

Qhov tsis raug ntawm voltage kuj tuaj yeem pom thaum siv cov khaub ncaws tsis raug siv rau lithium-ion chemistry. Cov khaub ncaws siv tshwj xeej lossis cov khaub ncaws tsim los ntawm neeg tuaj yeem tsis muaj qhov kho voltage tshwj xeej uas yuav tsum tau siv rau kev khaub ncaws battery 18650 nyob ruaj khov. Cov khoom no tuaj yeem xa voltage lossis currents uas tsis raug uas tuaj yeem ua rau hloj qhov chaw nyob hauv battery thiab tsim kev phem nyoba.

Temperature-Related Charging Errors

Kev sib ntsib li 18650 hauv su temperatures tsis raug yog qhov yuam kev uas feem ntau tuaj yeem cuam tshuam heev rau kev ua haujlwm thiab kev nyab xeeb. Kev pib sib ntsib li uas muaj mob lossis kub npaum ib txhis tuaj yeem ua rau cov dundawb hlawv, ntxuav nplhaib hauv, thiab kev puav tso tseg cell. Npaj nruj siab tias li tau txog teb chaws kub ua ntej sib ntsib thiab tiv thaiv kev sib ntsib hauv zaj lus kub lossis nyob deb ntawm kuv kub.

Kev tiv thaiv tsis zoo hauv kev sib ntsib tuaj yeem ua rau kub ncav cuag ntawm li 18650, tsim kho plua pluas uas tuaj yeem tshem ceev kev xauv thiab nce qhov kev nyab xeeb. Tshawb xyuas tias muaj kev hluav taws xob zoo hauv kev sib ntsib thiab tiv thaiv kev sib ntsib li hauv qhov chaw kheej uas kub tsis tuaj yeem tsho tau zoo.

Kev daws teeb meem thiab Kev Ua Haujlwm Ntev

Kev Cuad thiab Kev Daws Teeb Meem Txoj Cai

Kev cim nyob zoo yuav pab txeej xyuas lub sijhawm tau ntev dua rau ib lub 18650 thiab pab tshem tawm qhov kev ua haujlwm ntawm nws thaum sijhawm. Cim nyob lub battery nyob rau hauv 40-60% thaum tsis siv, vim qhov chaw no yuav pab kom saib xyuas kom tsis txhob muaj kev puas tsuaj rau hauv cell thiab tshem tawm kev sib tshuam uas yuav pab kom muaj kev cuam tshuam rau hauv circuit.

Kev cim nyob ntev yuav xav tau kev them tshuaj txhua 3-6 xyaas kom kom muaj zog los ntawm kev them zog hauv li tiassium ion cell. Kev saib xyuas no pab tshem tawm kev tsis nyob ruaj khov ntawm electrolyte thiab tshem tawm kev tsim kho ntawm lithium uas yuav pab kom tsis muaj kev lag luam thiab pab kom muaj kev nyiam siab ntau dua thaum sijhawm.

Kev Saib Xyuas Kev Ua Haujlwm thiab Qhov Siv Los Txheej

Kev sim txoj kev ua haujlwm txaus siab tuaj yeem pab pom thaum twg li 18650 lub roj teeb tuaj yeem tseem ceeb ntau dua rau thaum kawg ntawm nws cheeb tsheej siv thiab xav tau kev kho. Cov ntsiab lus tseem ceeb muaj feem tsawg dua runtime, siv ntau zhuag rau kev sov, tsim tshuaj tsha tsha hauv kev sov lossis tso, thiab tsis tuaj yeem txog voltage sib npaug tom qab sov. Kev ntuav cov leej cipher no tuaj yeem pab kom meej zoo haujlwm thiab tiv thaiv kev phom sij tsis raug.

Kev test neeg tshwj xeej siv cov cuab yeej xa tshiab tuaj yeem pab tau cov ntsiab lus tseem ceeb ntawm lub roj teeb nyob hauv qab tias nws tseem zoo li cas kom compared rau cov ntsiab lus dhau los. Ntau qhov 18650 lub roj teeb tseem muaj feem pib li 80% ntawm nws qhov chaw pib tom qab 300-500 kev sov thaum siv tau zoo, tab sis qhov no tuaj yeem hlo sij tag luaj li cas nyob rau hauv kev siv thiab dej num.

FAQ

Kuv yuav tsum sov kuv lub roj teeb 18650 ntau saib los txais kev zoo tshaj plaws

Sij hawm xa ntau ntawm lub 18650 battery nyob ntawm nws qhov loj, lub xa ntau ntawm lub charger, thiab lub teeb meem tshaj tawm. Feem ntau, lub 3000mAh battery uas tas li siv tag yuav xav tau 3-4 teev thaum xa ntau ntawm 1A, lossis 6-8 teev ntawm 0.5A. Npaj tias tshawb xyuas lub charger tsam los ntawm kev saib xyuas tsam rau kev xa ntau dhau los ntawm sij hawm tseem ceeb, vim sij hawm xa ntau tuaj yeem sib txawv nyob ntawm lub battery nyob twg thiab lub teeb meem.

Kuv puas tuaj yeem siv li cas li-ion charger rau kuv 18650 battery

Txhawm tias ntau qhov li-ion charger tuaj yeem xa ntau 18650 battery nyob ntawm tus poj ntaub, tab sis siv lub charger uas tsim rau no yuav pab kom muaj kev nyob siab zoo tshaj plaws thiab ua haujlwm zoo. Cov charger tsawg kawm tuaj tsis muaj kev raug rau qhov loj, kev xa ntau tsis raug, lossis cov cuab yeej tseem ceeb rau kev nyob siab. Npaj tias tshawb xyuas tias koj lub charger support 18650 qhov loj thiab muab lub voltage thiab current specification raug rau kev nyob siab.

Koj yuav tsum ua li cas yog tias koj lub 18650 battery ploj tsha thaum xa ntau

Yog tias li 18650 battery rov cuar hauv qab no rau hauv kev sib ntsib, tshaj tawm nws los ntawm kev sib ntsib thiab sau nws rau hauv qhov chaw nyob deb ntawm cov khoom sib tshuam. Qhov ua siab tsis txaus yog ib yam uas feem ntau hauv qab no rau hauv kev sib ntsib ntev, tab sis qhov cua sov loj heev tuaj yeem txhais tau tias muaj teeb meem nrog rau li, kev sib ntsib lossis qhov chaw sib ntsib. Thaiv li kom sov tag nrho ua ntej pib mus saib xyuas tus teeb meem lossis pib sib ntsib dua nrog qhov kub tsawg dua.

Kuv yuav paub li cas tias li 18650 battery twb ncav los lawm

Feem ntau li sib ntsib zoo tuaj yeem pom tseeb tias li 18650 battery twb ncav los lawm, feem ntau los ntawm kev hloov li cas los ntawm LED lossis tseg tseg. Li twb ncav los yog thaum nws tshwm 4.2V thiab qhov kub sib ntsib hloov mus rau ib qho tshwj xeeb ntawm 10% ntawm qhov kub sib ntsib thawj. Tsis txhob tshuam nkaus xwb rau qhov sib npaug, vim tias qhov sib ntsib nyob txwv ntau yam, xws li tus cwj pwm ntawm li thiab cua hla.