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

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V), which renders the system with a low round-trip energy efficiency around 60%. Recently, researchers have also found out the instability of electrolyte and carbon electrode under the high charging potential (>3.5 O 2 battery containing a potassium metal foil, a glassy fiber separator and a porous carbon electrode, with 0.5

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Researchers directly visualize formation and disappearance of Li-O2 reaction products; insights to support development of rechargeable lithium-air batteries

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air (Li-O 2 ) battery represents a conceptually attractive energy storage device for electric vehicle applications due to its high theoretical energy storage capacity ( earlier post ); however, among the obstacles to commercialization is a lack of fundamental understanding of the reactions involved. Click to enlarge.

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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. 2012 AkzoNobel UK Science Award. A team at the University of St.

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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. carbon composite particles with a lithium foil.

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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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China team outlines 5 key areas of future research to realize Li-air batteries

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In an open access paper published in the International Journal of Smart and Nano Materials , researchers from the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences review significant developments and remaining challenges of practical Li–air batteries and the current understanding of their chemistry.

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