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Researchers show clean solid–electrolyte/electrode interfaces double capacity of solid-state Li batteries

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Scientists at Tokyo Institute of Technology (Tokyo Tech), Tohoku University, National Institute of Advanced Industrial Science and Technology, and Nippon Institute of Technology, have demonstrated by experiment that a clean electrolyte/electrode interface is key to realizing high-capacity solid-state lithium batteries (SSLBs).

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U Texas team develops cobalt-free high-energy lithium-ion battery

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Researchers from the Cockrell School of Engineering at The University of Texas at Austin have developed a cobalt-free high-energy lithium-ion battery, eliminating the cobalt and opening the door to reducing the costs of producing batteries while boosting performance in some ways. graduate Wangda Li. —Li et al.

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Argonne team develops new approach to cobalt-free Li-ion cathodes

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Researchers at Argonne National Laboratory have developed a new approach to cobalt-free Li-ion cathodes that avoids some of the problems with other low-cobalt cathode approaches. A paper on their work appears in the Journal of Power Sources. Ni is in between Co and Mn in all these criteria. Croy, Brandon R. 2019.227113.

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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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Stanford researchers develop new electrolysis system to split seawater into hydrogen and oxygen

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Hongjie Dai and his research lab at Stanford University have developed a prototype that can generate hydrogen fuel from seawater. Theoretically, to power cities and cars, you need so much hydrogen it is not conceivable to use purified water, said Hongjie Dai, J.G. Image credit: Courtesy of H. Dai, Yun Kuang, Michael Kenney).

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UCSD researchers improve method to recycle and renew used cathodes from Li-ion batteries via eutectic molten salts

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Researchers at the University of California San Diego have improved their recycling process that regenerates degraded cathodes from spent lithium-ion batteries. Zheng Chen, a professor of nanoengineering who is affiliated with the Sustainable Power and Energy Center at UC San Diego, led the project. 2019) “Ambient?Pressure O 2 (0 Adv.

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Dahn team develops ethylene-carbonate-free electrolytes for better-performing high-voltage Li-ion cells

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Conventional electrolytes for Li-ion batteries contain ethylene carbonate (EC) and other additives. However, the cycling performance of Li-ion cells using these carbonate-based electrolytes has been poor at higher voltages (≥4.4 A paper on their work is published the Journal of Power Sources. O 2 (NCA)/graphite Li-ion cells).

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