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Conductivity of rechargeable battery

M

Man-wai Chang

Jan 1, 1970
0
Would the stuff inside ever become an insulator and stop conducting
electricity?

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T

Tom Biasi

Jan 1, 1970
0
Would the stuff inside ever become an insulator and stop conducting
electricity?
Is that really what you want to know or are you interested why certain a
chemistry fails to recharge?
If the latter, there are many explanations on the web.

Tom
 
M

Man-wai Chang

Jan 1, 1970
0
Is that really what you want to know or are you interested why certain a
chemistry fails to recharge?
If the latter, there are many explanations on the web.

So the electrolyte inside a rechargeable battery should never lose
conductivity?

--
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J

Jasen Betts

Jan 1, 1970
0
So the electrolyte inside a rechargeable battery should never lose
conductivity?

yeah, sometimes it comes out, or the plates get contaminated,
then the battery stops working.
 
M

Man-wai Chang

Jan 1, 1970
0
So the electrolyte inside a rechargeable battery should never lose
yeah, sometimes it comes out, or the plates get contaminated,
then the battery stops working.

Thanks.

--
@~@ Remain silent. Nothing from soldiers is real!
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T

Tom Biasi

Jan 1, 1970
0
So the electrolyte inside a rechargeable battery should never lose
conductivity?
Of course it will lose conductivity, nothing lasts forever.
 
C

Cydrome Leader

Jan 1, 1970
0
Ian Field said:
You'd get more sensible answers if you specified what chemistry.

Lead acid batteries are prone to sulphation if left discharged - the plates
become coated with an insulating layer of lead sulphate, also pure distilled
water is a lousy electrical conductor, so its pretty difficult to get any
charge current going.

With nickel-cadmium cells short circuits were a common problem due to
whisker growth through the separator (condition of electrolyte is then
irrelevant) - not sure what happens with NiMh cells and no idea what happens

I've seen many NiHM cells just become large resistors. I've never seen
them leak electrolyte, but it seems they can dry out over time.
 
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