Rezistenta Interna Flashcards

1
Q

Cele mai raspandite tipuri de acumulatori

A
Li-ion
Li-pa
Li-fe
Ni-cl
Ni-m
Pb-o
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2
Q

Cei 3 parametrii de baza care determina performantele unui acumulator

A

Capacitatea
Rezistenta interna
Autodescarcarea

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3
Q

Cantitatea de energie specifica este detwrminata de

A

Capacitatea sa

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4
Q

Puterea specifica este

A

Impusa

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5
Q

Aculatorul

A

Exemplu de sarcina conplexa care prezinta un comportament rezistiv inductiv si capacitiv .

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6
Q

Diferenta de potential a unei celule (u=v+-v_) este guvernata de

A

Tensiunea circuitului deschis

Supratensiunile cauzate de polarizarea de concentratie rezistiva si de activare

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7
Q

Rezistivitatea electrica

A

Rez interna propie

Rezistivitate( anod,catod ,electroliti ,cur de colectare)

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8
Q

Fara curent dif de potential tinde catre 0 ,

A

Acumul guvernat de legile mersului in gol

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9
Q

Ri=

A

Ri=Ui-Ui+1/Ii+1-Ii

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