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National University of Singapore researchers devise membrane-based supercapacitors; possible new route to high-performance supercapacitive energy storage

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The network has two unique features: 1) it allows for high capacitance (up to 400 F/g) energy storage in a simple film configuration without the need of high-surface-area nanostructures; 2) it is unstable in water, but becomes extremely stable in electrolyte with high ionic strength. —Xie et al. —Xian Ning Xie.

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Axion Power and ePower Engine Systems enter 5-year agreement for use of PbC batteries in diesel-electric drivetrains for Class 8 trucks; tests suggest up to 35% improvement in fuel economy

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Axion Power International, Inc, the developer of advanced lead-carbon PbC batteries and energy storage systems ( earlier post ), has entered a strategic relationship with ePower Engine Systems LLC. ePower showed its first converted truck—a Peterbilt 387—at the 2011 Mid-America Truck Show.

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Tier 1 HELLA evaluating PowerGenix NiZn batteries for 48V mild hybrid vehicles

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PowerGenix, the developer of nickel-zinc (NiZn) rechargeable batteries ( earlier post ), has signed a product evaluation contract with HELLA, a Tier 1 supplier to major automotive manufacturers worldwide. billion market for energy storage devices, according to a 2012 Lux Research report on micro and mild hybrids. Earlier post.)

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24M emerges from stealth mode with new semi-solid Li-ion cell; <$100/kWh by 2020

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Co-founded by MIT’s Dr. Yet-Ming Chiang, 24M’s Chief Scientist, the company is leveraging existing, preferred energy storage chemistry but using a new cell design with semi-solid (a mixture of solid and liquid phases) thick electrodes and manufacturing innovations to deliver what it says will be up to a 50% reduction in current Li-ion costs.

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False Starts: The Story of Vehicle-to-Grid Power

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Photo-illustration: Max-o-matic; photo source: M&N/Alamy Some operators of early direct-current power plants at the turn of the 20th century solved the problem of uneven power output from their generators by employing large banks of rechargeable lead-acid batteries, which served as a kind of buffer to balance the flow of electrons.

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Axion supplying PbC batteries to Norfolk Southern for all-battery switcher and working on line-haul hybrid locomotives; micro-hybrid and stationary expansion

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PbC batteries are multi-celled asymmetrically supercapacitive lead-acid-carbon hybrid batteries. Like a lead-acid battery, it comprises a series of cells. NS originally built NS-999 in early 2009 with leadacid batteries; however, the leadacid system consistently failed field testing.

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Nano-Terra, Inc. and Exide Technologies Announce Collaboration on Energy Storage Solutions

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a surface engineering and nanotechnology co-development company and Exide Technologies, one of the world’s largest producers and recyclers of lead-acid batteries, have formed an alliance to develop innovative energy storage solutions. Nano-Terra, Inc., EJ O’Leary, Chief Operating Officer of Exide Technologies.