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Alkaline roj teeb thiab lawv kom zoo dua

Cov niaj hnub ntiaj teb no yog lawm ua tus sau nrog electronics: los ntawm qhov tsawg tshaj plaws ntaus ntawv nyob rau hauv daim ntawv ntawm ib lub teeb khoo rau loj loj cov khoom nyob rau hauv lub chaw ua hauj lwm. Tab sis tsis yog txhua txhua ntawm lawv ua hauj lwm los ntawm qhov chaw ntawm lub zog, muaj ntau yam ntawm lawv yog ua tau hauj lwm los ntawm mobile pab kiag li lawm, rau piv txwv, xws li alkaline roj teeb.

Ntawm lawv yog cov ob lub ntsiab hom: hlau-npib tsib xee thiab npib tsib xee-cadmium. Qhov ceeb thawj rau qhov zoo phiaj ob hom roj teeb yog npib tsib xee hydroxide, rau tsis zoo raws li nws yog ib tug sib tov ntawm cadmium thiab hlau. Rechargeable alkaline roj teeb pib muab tam sim no rau 1.5 nyob rau hauv., Tom qab uas cov voltage maj nce mus 1.8 volts. Nws yuav tsum tau muab sau tseg hais tias thaum lub kub yog nws txo qis roj teeb muaj peev xwm yog txo los ntawm 0.5% rau txhua txhua degree.

Wb hais txog qhov zoo uas alkaline roj teeb yuav ua-acid:

1. Nyob rau hauv lawv siv tsis siv tsawg tsawg thiab scarce lead.

2. Paub txhua yam muaj zog thiab toughness (tsis muaj kev ntshai thiav, tuav, thiab luv luv-circuits).

3. Alkaline roj teeb yog ntev npaum li cas, txawm tias tom qab ntev kaw lub sij hawm.

4. vapors thiab gases teeb meem roj teeb tsim tsawg.

5. Muab piv nrog cov hlau lead, lawv yog zoo nkauj yooj yim.

6. Tsawg xav tawm mus.

Alkaline roj teeb kuj muaj disadvantages:

1. EMF yog tsawg tshaj li uas ntawm cov hlau lead - acid.

2. tshem hauv qab no txog 40 - 50%.

3. Tus nqi yog ntau dua.

Niaj hnub no, alkaline roj teeb yog tsuas yog siv rau cov cav tov uas ua hauj lwm yog nqa tawm nyob rau hauv huab tej yam kev mob, los yog qhov twg tsim nyog durability thiab kev cia siab (siv thiab ua liaj ua teb machinery). Cia tus tham txog lub ob lub ntsiab hom roj teeb, namely npib tsib xee-cadmium thiab npib tsib xee-hlau hydride.

Tus thawj npib tsib xee-cadmium roj teeb tau ua nyob rau hauv 1950. Txij thaum ntawd los, lawv tau raug siab explored. Improvement ntawm txoj kev ntau lawm technologies tso cai ntawm lub sij hawm mus kom lawv cov kev kawm. Lub peev xwm ntawm cov roj teeb yog nquag siv nyob rau hauv txawv kev kho vajtse (txawm nyob rau hauv qhov chaw) thiab tshwj xeeb cov khoom. Nws yog ib qho tseem ceeb yuav tau nco ntsoov hais tias tus domestic zus tau tej cov hom txawv los ntawm txawv teb chaws analogues, t. Yuav kom. Lawv ntau lawm txawv teb chaws yog cais batches rau tej qhua tuaj noj mov cov kev xav tau.

Nickel hlau hydride alkaline roj teeb yog tsawg nrov vim lub fact tias ntau tshaj lub xyoo caum kawg lawv xav nias npib tsib xee-cadmium kuaj. Tsis ntev los no kev tshawb fawb tau tso cai ho kom lawv ua tau zoo. Vim hais tias ntawm xav txog kev teem los ntawm ib puag ncig muaj kev ruaj ntseg txoj kev tshawb no cadmium roj teeb yog maj txo, thiab nyiam yog muab rau hlau hydride, tab sis hmoov tsis, lawv tej chaw muaj tsis tau zog.

Thaum kawg nws yuav tsum uas sau hais tias cov efficiency, thiab tseem ceeb tshaj, qhov ntev ntawm lub lag luam nyob rau hauv lub ntsiab nyob rau them pab kiag li lawm los muab leej tswj ntawm lub them cov txheej txheem nyob rau hauv txawv tej yam kev mob. Yog li ntawd, yuav Alkaline roj teeb, ua tib zoo xyuas lawv tus yam ntxwv thiab lub tej yam kev mob ntawm lawv lub lag luam.

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