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U Michigan study finds cracking in Li-ion batteries speeds up EV charging

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Rather than being solely detrimental, cracks in the cathodes of lithium-ion batteries reduce battery charge time, according to research done at the University of Michigan. This runs counter to the view of many electric vehicle manufacturers, which try to minimize cracking because it decreases battery longevity.

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ARPA-E awarding $39M to 16 projects to grow the domestic critical minerals supply chain

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The selected projects, led by universities, national laboratories, and the private sector aim to develop commercially scalable technologies that will enable greater domestic supplies of copper, nickel, lithium, cobalt, rare earth elements, and other critical elements. Feedstocks will include Li/Ni/Ca/Mg-rich igneous and sedimentary minerals.

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Researchers discover how nickel may inhibit charge/discharge rate in Li-ion batteries

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Simulated zone projection image based on LMNO crystal model with 20% Ni/Li disorder corresponding to blue rectangle. Simulated zone projection image based on LMNO crystal model with 10% Ni/Li disorder corresponding to white rectangle. For example, a layered composite based on lithium nickel manganese oxide Li 1.2

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Argonne and Hanyang University Develop New High-Energy Cathode Material With Improved Thermal Stability; Good Fit for PHEV Applications

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SEM of Li[Ni 0.64 Mn 0.18 ]O 2 particle with concentration gradient of Ni, Co, and Mn contents. The results, say the researchers, suggest that the cathode material could enable production of batteries that meet the demanding performance and safety requirements of plug-in hybrid electric vehicles. From Sun et al.

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Researchers call for integration of materials sustainability into battery research; the need for in situ monitoring

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In a review paper in the journal Nature Materials , Jean-Marie Tarascon (Professor at College de France and Director of RS2E, French Network on Electrochemical Energy Storage) and Clare Gray (Professor at the University of Cambridge), call for integrating the sustainability of battery materials into the R&D efforts to improve rechargeable batteries.

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Study finds resource constraints should not be a limiting factor for large-scale EV battery production

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On the order of 1 billion 40 kWh Li-based EV batteries could be built with the currently estimated reserve base of lithium, according to a recent study by researchers from Lawrence Berkeley National laboratory and the University of California, Berkeley. only for grid-scale batteries? only for grid-scale batteries?

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Yale team introduces new Li-O2 cell architecture with mesoporous catalytic membrane; improved cycling stability

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Schematic illustration of a Li-O 2 cell employing a mesoporous catalytic polymer membrane. A modified Li-O 2 battery with a catalytic membrane showed a stable cyclability for 60 cycles with a capacity of 1000 mAh/g and a reduced degree of polarization (?0.3 Credit: ACS, RYu et al. Click to enlarge.

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