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PNNL: single-crystal nickel-rich cathode holds promise for next-generation Li-ion batteries

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High-energy nickel (Ni)–rich cathode will play a key role in advanced lithium (Li)–ion batteries, but it suffers from moisture sensitivity, side reactions, and gas generation. We observe reversible planar gliding and microcracking along the (003) plane in a single-crystalline Ni-rich cathode. —Bi et al.

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

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The projects were selected as part of ARPA-E’s Mining Innovations for Negative Emissions Resource Recovery (MINER) program. Feedstocks will include Li/Ni/Ca/Mg-rich igneous and sedimentary minerals. The technology has been proved for copper-sulfide minerals, which will improve the yields of Cu and ultimately Ni.

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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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The team is tuning this process so that it can be used to recycle any type of cathode materials used in lithium-ion and sodium-ion batteries. Pressure Relithiation of Degraded Li x Ni 0.5 —first author Yang Shi, who performed this work as a postdoc in Chen’s lab. 2019) “Ambient?Pressure O 2 (0 Adv. Energy Mater.

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

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We need new storage technologies if more renewables are to be used on the electrical grid; similarly, the electrification of transport requires much cheaper and longer-lasting batteries. The size of these batteries (in comparison to those used for portable electronics) places severe pressure on materials resources. Elemental resources.

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New direct borohydride fuel cell increases peak power density by factor of 1.7–3.7

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A direct borohydride fuel cell—first demonstrated in the early 1960s—is a type of alkaline fuel cell directly fed by a sodium borohydride or potassium borohydride solution. Xiaodong Yang, Yongning Liu, Sai Li, Xiaozhu Wei, Li Wang & Yuanzhen Chen (2012). DBFCs feature a high open circuit voltage (1.64 2009.08.002.

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