Dr. Daniel Nocera: A new method of storing solar energy

[uldulublujumtuzusnus]

Rossi_y_Focardi

rare earth

[uldulublujumtuzusnus]

come on man! f## arabia saudi.

[medicialberto]

Wow!

[catatonicable]

People who invent these things seem to suddenly go missing.uuumm.?

[rickharbour1]

you diddnt figure it out that was patented in early 1900 ..people say then why have it been used intill now umm gas is a 1trillion dollar a year bussiness electrcity is a 1 trillion doallar a year business thats why

[johnnylance]

You need pure water and that's a problem...

[nescius2]

@johnnylance actually you don’t need clear water, there is a longer video explaining the process more thoroughly

[adastra123]

Probably one of the most honest and optimistic videos I have seen.

MIT have some of the most brilliant minds in the world. I would have faith in this technology even with all the problems of conversion.

Thanks for giving me some realistic hope of the future.

[ZacharyStowe]

it only takes 5 liters of water and no deep cycle batteries are a very bad idea.

i was just at a 2 hour lecture that this man put through and it was amazing.

he went through all of the problems u guys are talking about and explained them very efficiently

[josefinoperez]

so what is the catalyst you are using?

[Bjowolf2]

@josefinoperez

Maybe nickel - in a special configuration - , which doesn't cost very much to produce - unlike platin or paladium ;-) At least researchers over here (Denmark) have recently had great results with that material.

Finally a light at then end of the tunnel :-)

[nthnlsmmrs]

The biggest problem is that while the splitting of water and storing of energy in this manner is indeed very efficient and easy to accomplish... hydrogen fuel cells are not easy to make, and are very expensive. Deep cycle batteries are still a better choice simply because they're easier and cheaper to use than hydrogen fuel cells.

[NoSleeves4Ever]

Two questions I can't find the answers to; what efficiencies can be expected, and is this useful for water desalinization? It seems a extremely useful technology, but the storage amount (volume of water to watt hour ratio) and operating voltage are important factors to consider that have not been discussed.

[robz40]

Such system would be very expensive indeed for a house with a requirement of say 3.5kW. Considering the losses and the appliances required when converting solar radiation--> PV electricity--> hydrogen--> storage H2--> Fuel cell electricity, I guesstimate a cost between 70,000 and 130,000$, with a maximum duration of 25 years and extra maintenance costs.