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OSU team demonstrates concept of potassium-air battery as alternative to lithium-air systems

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Researchers at Ohio State University (OSU) have demonstrated the concept of a potassium-air (K?O V), which renders the system with a low round-trip energy efficiency around 60%. O 2 battery can can provide an exceptional round-trip energy efficiency of >95%.As O 2 battery (0.5 M KPF6 in DME) at a current density of 0.16

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Research team demonstrates Li-air battery capable of long cycle life

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A team from Hanyang University (Korea) and University of Rome Sapienza (Italy) have demonstrated a lithiumair battery capable of operating over many cycles with capacity and rate values as high as 5,000 mAh g carbon ?1 1 and 3 A g carbon ?1 1 , respectively. Nature Chemistry doi: 10.1038/nchem.1376 1376 10.1038/nchem.1376.

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Researchers show feasibility of lithium-metal-free anode for Li-air battery; addressing one of three main barriers to Li-air battery development

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Researchers from University of Rome Sapienza (Italy), Hanyang University (Korea) and the Argonne National Laboratory (US) have shown that the highly reactive lithium metal anode typically projected for use in Li-air batteries can be replaced with a lithiated silicon-carbon anode. Cycling current: 200 mA g ?1

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DOE announces $60M to accelerate advanced vehicle technologies research

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The US Department of Energy (DOE) Vehicle Technologies Office (VTO) announced up to $60 million in new and innovative advanced vehicle technologies research. ( DOE is working to lower the cost of the power electronics and motors in an EV to $7/kW by 2022 from $30/kW in 2012. Lithium-sulfur and lithium-air battery cell development.

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3 winners of DOE’s “America’s Next Top Energy Innovator” Challenge: hydrogen-assisted lean-burn engines, graphene for Li-air and -sulfur batteries, and titanium process

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US Energy Secretary Steven Chu announced three winning startup companies—based on a public vote and an expert review—out of the 14 participating in the US Department of Energy (DOE) “ America’s Next Top Energy Innovator ” challenge. Earlier post.).

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St. Andrews team elucidates behavior of carbon cathodes in Li-air batteries; the importance of the synergy between electrode and electrolyte

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Carbon is seen as an attractive potential cathode material for aprotic (non-aqueous) Lithium-air batteries, which are themselves of great interest for applications such as in electric vehicles because of the cells’ high theoretical specific energy. A team at the University of St. 2012 AkzoNobel UK Science Award.

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Univ. of St. Andrews researchers show reversible, higher-rate non-aqueous Li-air battery using gold cathode and DMSO electrolyte

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Very high energy density rechargeable lithium air (or Li-O 2 ) batteries are of great interest for future electrified transportation because at best their practical energy density could approach that of current gasoline engined vehicles (after factoring in tank-to-wheel efficiencies). Earlier post.). —Peng et al.

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