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NEC develops prototype 4.5V, long-life manganese Li-ion battery; 30% more energy density, high capacity and light weight

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NEC presented the new cell at PRIME 2012, the Pacific Rim Meeting on Electrochemical and Solid-State Science, in Honolulu. To enable this, NEC changed the solvent of the electrolyte solution from a conventional carbonate-based solvent to a fluorinated solvent that is highly resistant to oxidation. from the 3.8V

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Alcoa and Phinergy enter joint development agreement for high energy-density aluminum-air batteries

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Aluminium–air cells are high-energy density primary (non-rechargeable) batteries originally developed in the 1960s. As a result, the air electrodes are immune to carbonization-related problems, and have a lifespan of thousands of operating hours. kWh/kg of Al—second only to the Li-air battery (13.0 Earlier post.). Wood, Keith R.

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ARPA-E to award $22M to 18 projects to accelerate production of macroalgae for energy and other uses; MARINER

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Nautical Offshore Macroalgal Autonomous Device (NOMAD) The Pacific Northwest National Laboratory team at the Marine Sciences Laboratory in Sequim, Washington, will develop a free-floating, carbon fiber seaweed longline to be released far offshore and collected after a six- month, 1,500km path along nutrient-rich ocean currents. Honolulu, HI.

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