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Fluorine-incorporated interface enhances cycling stability of Li metal batteries with Ni-rich NCM cathodes

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The electrolyte evenly formed a protective film on the negative electrode and the positive electrode of the lithium metal battery, increasing the lifespan and output of the entire battery. Li/Li + ). O 2 full cell, with a high Coulombic efficiency of 99.98% after 100 cycles at 25 °C. —Lee 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. graduate Wangda Li. energy lithium?ion

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MIT electrolyte enables ultra-high voltage Ni-rich cathodes in Li-metal batteries

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V in lithium-metal batteries (LMBs). In a paper in the journal Nature Energy , the MIT team reports that a lithium-metal battery with the electrolyte delivers a specific capacity of >230?mAh?g V lithium-metal battery can retain >88% capacity for 90 cycles. O 2 cathode with a cut-off voltage up to 4.7?V

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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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UNIST team develops new electrolyte additive for high-energy-density Li-ion batteries

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Researchers at the Ulsan National Institute of Science and Technology (UNIST) in Korea have developed an innovative electrolyte additive that enables a high-energy-density Li-ion battery to retain more than 80% of its initial capacity even after hundreds of cycles. C and fast charging capability (1.9% O 2 cathodes.

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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.

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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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