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New smelting reduction process to recover Co, Ni, Mn, and Li simultaneously from Li-ion batteries

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A team from metals research institute SWERIM in Sweden reports on a smelting reduction process to recover cobalt, nickel, manganese and lithium simultaneously from spent Li-ion batteries. A paper on their work is published in the Journal of Power Sources. —Hu et al. —Hu et al. 2020.228936.

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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). O 4 interfaces.

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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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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. More nickel in a battery means it can store more energy.

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UC Irvine team creates long-lasting, cobalt-free, low-nickel lithium-ion batteries

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In a discovery that could reduce or even eliminate the use of cobalt—which is often mined using child labor—in the batteries that power electric cars and other products, scientists at the University of California, Irvine (UCI) have developed a long-lasting alternative made with nickel. The LiNi 0.5 mA cm −2 ).

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New cobalt-free high-voltage spinel cathode material with high areal capacity

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The paper on their work is published in the Journal of Power Sources. Advancing cathode materials with both high energy density and low cost have always been the main objective of battery material research. The price of Co fluctuates significantly, with the inconspicuous fall of Ni price and continues growing of Li price. . …

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IDTechEx comments on Volkswagen’s long-term, high-manganese cathode strategy

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During Volkswagen’s recent Power Day ( earlier post ), the company referred to a long-term strategy of using high-manganese cathodes for its volume segment. A comparison between NMC 811 and three high-manganese cathodes (LMFP, Li-Mn-rich, LNMO) shows that trade-offs in performance are always involved. Source: IDTechEx.

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