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MIT Professor: Power Your House With 5 Liters of Water Per Day

 
water hydrogen

At the Aspen Environment Forum today, MIT professor Dan Nocera gave a revolutionary picture of the new energy economy with an assertion that our homes will be our power plants and our fuel stations, powered by sunlight and water. And it’s not science fiction.
 

 
Nocera stated that even if we put all available acreage into fuel crops, all available acreage in wind power, and build a new nuclear power plant every 1.5 days, and we save 100% of our current energy use (yes, you read that correctly), we will still come up short by 2050. His estimate is that we will need 16 TW of energy production by then, and with our current methods, we won’t get there.

But there is a solution. And we don’t need to invent anything new to get from here to there.

Nocera said that MIT will announce its patent next week of a cheap, efficient, manufacturable electrolyzer made from cobalt and potassium phosphate. This technology, powered by a 6 meter by 5 meter photovoltaic array on the roof, is capable of powering an entire house’s power needs plus a fuel cell good for 500 km of travel, with just 5 liters of water.

The new electrolyzer works at room temperature (“It would work in this water glass right here”) to efficiently produce hydrogen and oxygen gases from water in a simple manner, which will enable a return to using sunlight for our primary energy source.

This technology will decentralize power production and provide true energy independence. The details of implementation still need to be worked out, but Nocera says that fears of hydrogen technology (safety) are unfounded, as companies that work with these gases have the capability to safely store and use them.  “It’s safer than natural gas. You burn that in your house with an open flame. Now that’s dangerous.”

Image: emrank at Flickr under Creative Commons

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Written By

Derek lives in southwestern New Mexico and digs bicycles, simple living, fungi, organic gardening, sustainable lifestyle design, bouldering, and permaculture. He loves fresh roasted chiles, peanut butter on everything, and buckets of coffee. Catch up with Derek on Twitter, Google+, or at his natural parenting site, Natural Papa!

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