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EnerGeeWhiz! | February 23, 2018

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Hydrogen Storage

| On 08, Apr 2013

HydrogenFrom The Telegraph:

We all know that Hydrogen is an excellent energy store.  It is, after all, the source of all life on earth given our Sun runs off it.  It has three times the energy density of gasoline; and it gives off zero carbon emissions at point of use.

The trouble is, storing it so that it can be a useful fuel source requires either cooling it to -252 degrees C to liquefy it, or compressing it to extremely high pressure as a gas. In either case,  it is particularly hazardous and requires a lot of energy just to get it into these useful forms.

Cella Energy gets around these issues using nano-structuring technology to encapsulate hydrides within polymers. Nice! This area of their web-site gets into what all that means, or you can watch the video below.

But the bottom line? hydrogen can be made safe and convenient to store in open air at ambient temperatures and pressures. The nano-structures themselves can be formed into micro-beads, which are sufficiently small that they can be pumped and stored like liquids. This, Cella claims, allows them to be pumped by gas pumps into car fuel tanks, hence the ability to avoid designing and installing an entirely new fueling infrastructure. Bonus feature: it’s also less energy intensive to get the hydrogen into this useful form.

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