The batteries in series is not a straight series circuit. The reason is
that there are voltage sources in series. The less charged battery acts as
a load and the more charged batteries act as sources. The less charged
battey acts as a resister and would then consume power and dissipate it as
heat. The current would still be going in the same direction, but it would
heat up the less charged battery.
Mike, does this sound right?
I'm not an engineer, but I was an electrician in the Navy, and am at this
moment taking a break from preparing to teach basic electrical theory to
students where I work. This differnece between sources and loads is
precisely what I have to keep clear to my students. The big lead acid
batteries display this characteristic if one cell is below the charge of the
rest of the bank for some reason. It can be a problem.
Now with parrallel batteries, I could see the charge effect which would also
produce heat for a different reason (different chemical reaction in reverse
of the reaction during discharge).
Vince
Mike Monett writes:
url: http://escribe.com/health/thesilverlist/m60591.html
Re: CS>Answer to Catherine, warning to Mike Monett...
From: Marshall Dudley
Date: Mon, 23 Jun 2003 12:03:31
> How could the current flow backwards when you have cells in series
> and none are backwards. If it reveresed in one of the cells it
> would have to reverse in all the cells, and energy would be going
> into all the cells, which would require an external power source.
> It is physically impossible. If you find a way, let me know, I
> could use a free energy machine.
Marshall,
I know what your mental block is, and I'm trying to figure out a way
around it.
Let's pretend one of the batteries is dead. The current in a series
circuit is everywhere the same.
Then it doesn't matter what the original polarity of the battery
was. It is now just a chemical cell.
In a battery, the current flows though the electrolyte in the form
of ions, not as electrons.
The current that is flowing through the circuit is now the opposite
of the original process that gave the battery energy, and the ions
now go in the direction that charges the battery in reverse.
This generates gas, which the battery is not designed to handle.
If this doesn't help, why don't you write Energizer and ask them?
Best Regards,
Mike Monett
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