Kev Sib Piv ntawm Kev Ua Haujlwm ntawm Cov Roj Teeb Carbon-Zinc thiab Cov Roj Teeb Alkaline

Nyob rau lub caij nyoog niaj hnub no uas siv zog ntau, cov roj teeb, ua cov khoom tseem ceeb ntawm cov chaw muab hluav taws xob nqa tau, tau siv dav hauv ntau yam khoom siv hluav taws xob. Cov roj teeb carbon-zinc thiab cov roj teeb alkaline, ua cov roj teeb qhuav feem ntau, txhua tus muaj cov yam ntxwv tshwj xeeb thiab kev ua tau zoo. Tsab xov xwm no yuav ua qhov kev sib piv tob tob ntawm kev ua tau zoo ntawm ob hom roj teeb, thiab muab kev tshuaj xyuas ntxaws ntxaws thiab txhais lus Askiv ntawm cov yam ntxwv tseem ceeb, ua rau cov neeg nyeem nkag siab tag nrho lawv qhov sib txawv thiab cov xwm txheej siv.

I. Cov Ntsiab Cai Tseem Ceeb ntawm Cov Roj Teeb

(1) Cov roj teeb Carbon-Zinc

Cov roj teeb carbon-zinc siv manganese dioxide ua lub electrode zoo, zinc ua lub electrode tsis zoo, thiab cov kua dej ntawm ammonium chloride lossis zinc chloride ua electrolyte. Lawv txoj cai ua haujlwm yog raws li cov tshuaj redox. Thaum lub sijhawm tso tawm, zinc ntawm lub electrode tsis zoo dhau los ua qhov tshuaj oxidation thiab poob cov electrons. Cov electrons no ntws los ntawm lub voj voog sab nraud mus rau lub electrode zoo, qhov twg manganese dioxide dhau los ua qhov tshuaj txo qis. Tib lub sijhawm, kev tsiv teb tsaws chaw ntawm cov ions hauv cov kua electrolyte tswj hwm qhov sib npaug ntawm tus nqi.

(2) Cov roj teeb alkaline

Cov roj teeb alkaline kuj siv zinc ua lub electrode tsis zoo thiab manganese dioxide ua lub electrode zoo, tab sis lawv siv cov kua dej ntawm potassium hydroxide ua lub alkaline electrolyte. Qhov chaw alkaline hloov pauv qhov nrawm ntawm cov tshuaj tiv thaiv sab hauv ntawm lub roj teeb. Piv nrog cov roj teeb carbon-zinc, cov tshuaj tiv thaiv redox hauv cov roj teeb alkaline ua haujlwm tau zoo dua, ua rau lawv muaj zog ruaj khov thiab kav ntev dua.

II. Kev Sib Piv Kev Ua Tau Zoo

(1) Hluav Taws Xob

Feem ntau, qhov voltage ntawm cov roj teeb carbon-zinc yog 1.5V. Thaum siv lub roj teeb tshiab thawj zaug, qhov voltage tiag tiag yuav siab dua me ntsis, nyob ib ncig ntawm 1.6V - 1.7V. Thaum cov tshuaj lom neeg ua haujlwm, qhov voltage maj mam txo qis. Thaum qhov voltage poob qis txog li 0.9V, lub roj teeb yuav tas thiab tsis tuaj yeem muab hluav taws xob zoo rau feem ntau cov khoom siv.

Lub zog hluav taws xob ntawm cov roj teeb alkaline kuj yog 1.5V, thiab lub zog hluav taws xob pib ntawm lub roj teeb tshiab kuj yog nyob ib puag ncig 1.6V - 1.7V. Txawm li cas los xij, qhov zoo ntawm cov roj teeb alkaline yog qhov tseeb tias thaum lub sijhawm tag nrho cov txheej txheem tso tawm, lawv lub zog hluav taws xob poob qis maj mam. Txawm tias tom qab ntau dua 80% ntawm lub zog tau siv, lub zog hluav taws xob tseem tuaj yeem nyob siab dua 1.2V, muab kev muab hluav taws xob ruaj khov dua rau cov khoom siv.

(2) Peev Xwm

Lub peev xwm ntawm lub roj teeb feem ntau yog ntsuas hauv milliampere-teev (mAh), uas sawv cev rau qhov ntau ntawm cov hluav taws xob uas lub roj teeb tuaj yeem tso tawm. Lub peev xwm ntawm cov roj teeb carbon-zinc yog qhov tsawg heev. Lub peev xwm ntawm cov roj teeb carbon-zinc AA feem ntau yog ntawm 500mAh - 800mAh. Qhov no yog vim cov yam ntxwv ntawm lawv cov electrolyte thiab electrode cov ntaub ntawv, uas txwv tag nrho cov tshuaj uas koom nrog hauv cov tshuaj tiv thaiv thiab kev ua haujlwm ntawm cov tshuaj tiv thaiv.

Lub peev xwm ntawm cov roj teeb alkaline siab dua li cov roj teeb carbon-zinc. Lub peev xwm ntawm cov roj teeb alkaline AA-loj tuaj yeem ncav cuag 2000mAh - 3000mAh. Cov electrolyte alkaline tsis yog tsuas yog txhim kho kev ua haujlwm ntawm cov khoom siv electrode xwb tab sis kuj ua kom zoo dua qhov kev ua haujlwm ntawm ionic conduction, ua rau cov roj teeb alkaline khaws cia thiab tso tawm ntau lub zog hluav taws xob, ua rau lawv haum rau cov khoom siv hluav taws xob ntau.

(3) Kev Tiv Thaiv Sab Hauv

Qhov tsis kam sab hauv yog ib qho tseem ceeb rau kev ntsuas qhov poob ntawm lub roj teeb thaum lub sijhawm tso tawm. Qhov tsis kam sab hauv ntawm cov roj teeb carbon-zinc yog qhov siab heev, kwv yees li 0.1Ω - 0.3Ω. Qhov tsis kam sab hauv siab yuav ua rau lub zog poob loj hauv lub roj teeb thaum lub sijhawm tso tawm tam sim no siab, ua rau poob zog. Yog li ntawd, cov roj teeb carbon-zinc tsis haum rau cov khoom siv uas xav tau lub zog fais fab siab.

Qhov tsis kam sab hauv ntawm cov roj teeb alkaline yog qhov tsawg heev, kwv yees li 0.05Ω - 0.1Ω. Qhov tsis kam sab hauv qis ua rau cov roj teeb alkaline tswj tau qhov hluav taws xob siab thaum lub sijhawm tso tawm tam sim no siab, txo qhov poob hluav taws xob. Lawv zoo dua rau kev tsav tsheb cov khoom siv hluav taws xob siab xws li cov koob yees duab digital thiab cov khoom ua si hluav taws xob.

(4) Lub Neej Ua Haujlwm

Lub neej ua haujlwm ntawm cov roj teeb carbon-zinc luv heev. Tom qab khaws cia rau hauv chav sov li 1-2 xyoos, lub zog yuav txo qis heev. Txawm tias tsis siv los xij, nws tus kheej tawm los. Hauv qhov chaw kub thiab noo noo, cov roj teeb carbon-zinc kuj tseem yuav muaj teeb meem xau, ua rau cov khoom siv xeb.

Cov roj teeb alkaline muaj lub sijhawm khaws cia ntev dua thiab tuaj yeem khaws cia rau hauv chav sov li 5 - 10 xyoo nrog rau qhov tso tawm tus kheej qis dua. Tsis tas li ntawd, kev tsim qauv thiab cov yam ntxwv electrolyte ntawm cov roj teeb alkaline ua rau lawv tiv taus kev xau, muab kev txhawb nqa hluav taws xob ntev dua thiab ruaj khov dua rau cov khoom siv.

(5) Tus nqi thiab kev tiv thaiv ib puag ncig

Tus nqi tsim khoom ntawm cov roj teeb carbon-zinc yog qis heev, thiab lawv tus nqi ua lag luam kuj pheej yig heev. Lawv tsim nyog rau cov khoom siv yooj yim uas tsis tas siv hluav taws xob ntau thiab cov ntawv thov uas tsis tas siv nyiaj ntau, xws li cov chaw taws teeb tswj thiab cov moos. Txawm li cas los xij, cov roj teeb carbon-zinc muaj cov hlau hnyav xws li mercury. Yog tias tsis pov tseg kom raug tom qab pov tseg, lawv yuav ua rau muaj kuab paug rau ib puag ncig.

Tus nqi tsim cov roj teeb alkaline kim heev, thiab lawv tus nqi muag kuj kim heev. Txawm li cas los xij, cov roj teeb alkaline tsis muaj mercury thiab zoo rau ib puag ncig. Ntxiv mus, vim lawv muaj peev xwm siab thiab lub neej ua haujlwm ntev, tus nqi ib chav ntawm lub zog hluav taws xob yuav qis dua li cov roj teeb carbon-zinc hauv kev siv ntev, ua rau lawv tsim nyog dua rau cov khoom siv hluav taws xob siv zog ntau.

III. Cov Lus Qhia Sib Piv ntawm Cov Txheej Txheem Kev Siv

IV. Xaus Lus

Cov roj teeb carbon-zinc thiab cov roj teeb alkaline txhua tus muaj lawv tus kheej qhov zoo thiab qhov tsis zoo hauv kev ua haujlwm. Cov roj teeb carbon-zinc pheej yig tab sis muaj peev xwm me me, lub neej ua haujlwm luv luv, thiab muaj kev tiv thaiv sab hauv siab. Txawm hais tias cov roj teeb alkaline kim dua, lawv muaj qhov zoo ntawm lub peev xwm siab, lub neej ua haujlwm ntev, tsis muaj kev tiv thaiv sab hauv, thiab zoo rau ib puag ncig. Hauv kev siv tiag tiag, cov neeg siv yuav tsum xaiv hom roj teeb raws li qhov xav tau fais fab ntawm cov khoom siv, zaus siv, nrog rau tus nqi thiab kev tiv thaiv ib puag ncig kom ua tiav qhov zoo tshaj plaws ntawm kev siv thiab cov txiaj ntsig kev lag luam.