On 12/08/2016 08:51, dennis@home wrote:
On 11/08/2016 23:02, John Rumm wrote:
On 11/08/2016 17:58, Capitol wrote:

Read a Telegraph article today on these. Do they have a future?

Nice in that they have a long life and should not lose capacity over
time. However the normal problem of energy density still exists - many
offer less than 1MJ per litre (compared to 43MJ/l for petrol)


I don't think they are intended to replace petrol.

Not suggesting they were, just illustrating that the energy density is
pretty low in relative terms.

They could be used as "pumped" storage on the grid to get windymills to
work better.
100,000l tanks aren't that big.

Dealing with the waste could be a long term problem though.





--
Cheers,

John.

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