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Chalmers team develops graphite-like anode for Na-ion batteries; Janus graphene

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Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The estimated sodium storage up to C 6.9 Na is comparable to graphite for standard lithium ion batteries.

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KAUST uses laser pulses to boost performance of MXene electrode

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The researchers hope that this strategy could help to engineer an improved anode material in next-generation batteries. Graphite contains flat layers of carbon atoms, and during battery charging, lithium atoms are stored between these layers in a process called intercalation. A paper on their work is published in the journal Small.

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What are the types of batteries used in EV? | EV Basics

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Battery: The battery is suitable for pure electric vehicles, including lead-acid batteries, nickel-metal hydride batteries, sodium-sulfur batteries, secondary lithium batteries, air batteries, and ternary lithium batteries. (1) It is widely used as a starting power source for internal combustion engine vehicles.

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Pike Research forecasts hybrid electric locomotive sales could reach nearly 500 units from 2011 to 2020; to utilize 514 MWh of battery capacity by 2020

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Hurst also notes that the market for hybrid locomotives faces stiff competition from newer fuel-efficient locomotives such as diesel gensets, and in many world regions, the locomotive engine does not have to meet strict emissions rules. Other benefits include reduced noise levels and lower maintenance costs.

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OSU smart membrane could enable new category of high-energy, high-power energy storage for EVs

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The shelf-life of stored charge in rechargeable devices does not scale linearly with maximum SP and has led to trends referred to as ‘range-anxiety’, ‘compulsive charging’, etc. A control circuitry is connected to the membrane separator regulate the ionic impedance and ion transport between the electrodes. (B) Click to enlarge.

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Mercedes-AMG brings cylinder deactivation to 5.5L V8; 30% reduction in fuel consumption

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liter AMG V8 engine with AMG Cylinder Management and ECO stop/start. liter V8 engine (M152) featuring the AMG Cylinder Management cylinder shut-off system. Although peak output in the new engine increased by 60 hp to 415 hp (309 kW) and torque increased from 376 lb-ft to 398 lb-ft (540 N·m) compared to the existing AMG 5.5L

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DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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This three-year project incorporates engineering of fleet control, manufacturing and installation of seven 500-kW/6-hour TransFlow 2000 energy storage systems in California, Massachusetts, and New York to lower peak energy demand and reduce the costs of power interruptions. Demonstration of Sodium Ion Battery for Grid Level Applications.