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

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A joint research team led by Professor Nam-Soon Choi and Professor Sang Kyu Kwak in the School of Energy and Chemical Engineering at Ulsan National Institute of Science and Technology (UNIST) has developed an ion concentrate electrolyte using a solvent containing fluorine atoms. Li/Li + ). —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. graduate Wangda Li.

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

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In a paper published in the journal Nature Energy , the researchers report using a complex concentrated doping strategy to eliminate cobalt in a commercial NMC-532 cathode. Specific capacity and specific energy comparison of HE-N50, NMC-532 and NMC-811. Nat Energy. The LiNi 0.5 V vs graphite, at 1 C, 1.5 mA cm mA cm −2 ).

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

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The electrolyte not only suppresses side reactions, stress-corrosion cracking, transition-metal dissolution and impedance growth on the cathode side, but also enables highly reversible Li metal stripping and plating on the lithium-metal anode (LMA), leading to a compact morphology and low pulverization. Huang, M.,

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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. O 2 cathodes. O 2 cathodes. C and fast charging capability (1.9%

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Argonne, PNNL researchers develop new cobalt-free cathode for high-energy Li-ion cells

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A team from Argonne National Laboratory and Pacific Northwest National Laboratory (PNNL) has developed a new cobalt-free cathode for high-energy lithium-ion cells. In an open-access paper in the RSC journal Chemical Communications , the team reports that Li/LT-LiMn 0.5 The novel LiMn 0.5 O 2 cells operate between 5.0

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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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