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Exeter team develops low-cost photoelectrode for spontaneous water-splitting using sunlight

Green Car Congress

The researchers believe this new type of photoelectrode is not only cheap to produce, but can also be recreated on a larger scale for mass and worldwide use. The greatest challenge is to develop a suitable technology for large scale and cost effective solar fuel production to compete with fossil fuel. —Pawar and Tahir.

Water 342
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MIT/Tsinghua high-rate aluminum yolk-shell nanoparticle anode for Li-ion battery with long cycle life and high capacity

Green Car Congress

Aluminium should be an attractive anode material for rechargeable Li-ion batteries for many reasons, such as low cost (~$2,000 ton −1 ), high theoretical capacity (2,235 mAh g −1 if Li 9 Al 4 , low potential plateau (~0.19–0.45 V V against Li + /Li 3 ), high electrical conductivity and so on.

Li-ion 150
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Inventing Postscript, the Tech That Took the Pain out of Printing

Cars That Think

This article was first published as "‘PostScript’ prints anything: a case history." The time was right because of the imminence of three hardware developments: the first low-cost, bit-mapped personal computer, the first low-cost laser printer, and a decline in price of high-density memory chips.

Design 104
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New metal-free ORR catalyst outperforms platinum in fuel cell

Green Car Congress

The technology to make the metal-free ORR catalysts builds on a simple and cheap industrial process several of the researchers developed to make graphene sheets from graphite. The weaker the oxygen bonds became, the more efficiently the oxygen was reduced and converted to water at the cathode. —Jeon et al. Catalysts Fuel Cells'

Fuel 247
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Creating the Commodore 64: The Engineers’ Story

Cars That Think

This article was first published as "Design case history: the Commodore 64." You waste a little bit of silicon, but silicon’s pretty cheap. Not only were development costs absorbed in company overhead, but there was no markup to pay, as there would have been inf the chips had been built by another company. It’s only sand.”

Engine 115
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Electric Car Makers: Oregon Wants You - Green Inc. Blog - NYTimes.com

Tony Karrer Delicious EVdriven

Furthermore, changing the battery pack on say a Toyota Prius often costs a fortune, at least in most European countries, so such cars better be VERY cheap, but they’re not. April 10, 2009 10:06 pm Link I make, convert and drive EV’s and have for 13 yrs. — Jeff U 6. Lead batts are around 98% recycled.

Oregon 58