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KERI researchers develop high-capacity Li-metal battery with improved rate performance and stability

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A research team at Korea Electrotechnology Research Institute (KERI) has developed a high-capacity Li-metal battery with improved rate performance and stability using a one-dimensional Li-confinable porous hollow carbon host. However, these hosts suffer from unwanted Li growth on their surface (i.e., Kang et al.

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CUE at Ryerson University testing 150 kW Li-ion battery from Electrovaya

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The Center for Urban Energy (CUE) at Ryerson University in Canada is testing a 150 kW Li-ion battery provided by Electrovaya in collaboration with Toronto Hydro to prove how off-peak electricity can be stored. When energy generation is high, we can store it in batteries; when the demand is high, we can use that power.

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UH, Toyota researchers develop new cathode and electrolyte for high-power Mg battery rivaling Li-ion

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Magnesium batteries have long been considered a potentially safer and less expensive alternative to lithium-ion batteries, but previous versions have been severely limited in the power they delivered. Magnesium ions hold twice the charge of lithium, while having a similar ionic radius. —Dong et al. Neither approach is practical.

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Researchers develop room-temp 1,000+ cycle rechargeable solid-state lithium-air battery

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Researchers from the Illinois Institute of Technology (IIT), Argonne National Laboratory, and the University of Illinois at Chicago have developed a room-temperature solid-state lithium-air battery that is rechargeable for 1,000 cycles with a low polarization gap and can operate at high rates. Ngo, Paul C. Redfern, Christopher S.

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Tohoku, UCLA team advance 4V-class metal-free organic Lithium-ion batteries; croconic acid cathode

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A joint research team from Tohoku University and the University of California, Los Angeles (UCLA) has made a significant advance towards high-voltage metal-free lithium-ion batteries by using a small organic molecule: croconic acid. An open-access paper on their work is published in the journal Advanced Science.

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New electrode material for solid-state batteries improves performance

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An all-solid-state lithium battery using inorganic solid electrolytes requires safety assurance and improved energy density, both of which are issues in large-scale applications of lithium-ion batteries. Operational difficulty of all-solid-state batteries using them generally lies in the construction of the electrode-electrolyte interface.

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New group of materials could lead to faster-charging Li-ion batteries

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Researchers from the University of Cambridge, with colleagues from Argonne National Laboratory in the US and Diamond Light Source, Harwell Science and Innovation Campus, UK, have identified a group of materials—niobium tungsten oxides—that could be used to make even higher power batteries. Griffith et al.

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