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re: battery charging question
17 jun 2000
larry caldwell wrote:
>ghio@netconnect.com.au writes:
>> 1) hydorgen sulfide gas is released during charging...
>actually, that is plain old hydrogen... flammable and explosive.
but probably hard to keep around in any significant concentration in a
non-airtight house. as i recall, you can make about 1 ft^3/kwh if you
try hard, so a residential pv system might make 1 ft^3/h in a 32'x32'x16'
= 16k ft^3 "airtight" house with 0.1 air changes per hour, diluting the
h2 by 1600:1 to a concentration of 0.06%, even if it weren't lighter
than air. what's the explosive limit?
nick
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