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New Sn-Ni-P Anode Material for Li-ion Batteries Shows High Capacity and Efficiency

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A new ternary Sn–Ni–P anode material for Li-ion batteries shows high reversible capacity and excellent coulombic efficiency, with an initial discharge capacity and charge capacity of 785.0 After the 100 th discharge–charge cycling, capacity retention is 94.2% mAh g -1 and 567.8 mAh g -1 , respectively.

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Nanjing researchers design new Li-rich layered cathode

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Researchers at Nanjing University (China) have introduced a new layered C2/m oxide—Li 2 Ni 0.2 Compared with Li 2 MnO 3 (LMO), LNMR displays superior capacity, a more stable capacity retention rate, higher energy density and average discharge voltage. In such materials, 1/3 of the TM sites are occupied by Li phase.

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New high-voltage electrolyte additive supports high energy density and stability in LMNC Li-ion battery; 2x energy density over LiCoO2

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A team led by researchers at Chungnam National University (S. Korea) has developed a novel high-voltage electrolyte additive, di-(2,2,2 trifluoroethyl)carbonate (DFDEC), for use with the promising lithium-rich layered composite oxide high-energy cathode material xLi 2 MnO 3 ·(1-x)LiMO 2 (M = Mn, Ni, Co). O 2 (Li 1.2 O 2 (Li 1.2

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Dalhousie researchers find low-voltage NMC532 cells have higher energy density than LFP, very long lifetime

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Researchers led by Professor Jeff Dahn at Dalhousie University in Canada report that low-voltage NMC cells—particularly those balanced and charged to 3.8V Single crystal Li[Ni 0.5 V) were cycled with charging to either 3.65 V) were cycled with charging to either 3.65 V vs Li + /Li.

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New self-purifying electrolyte for high-energy Li-ion batteries

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A research team in China has developed a new type of electrolyte for high-energy Li-ion batteries with a self-purifying feature that opens a promising approach for electrolyte engineering for next-generation high-energy Li-ion batteries. Electrochemical performance of Li||NMC811 half-cells using different electrolytes. (a)

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HIU researchers develop extremely high energy density lithium-metal cell with good stability

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Researchers at the Helmholtz Institute Ulm (HIU), founded by the Karlsruhe Institute of Technology (KIT) in cooperation with the University of Ulm, have developed a new lithium-metal battery that offers extremely high energy density of 560 Wh/kg—based on the total weight of the active materials—with remarkably good stability.

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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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