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

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V in lithium-metal batteries (LMBs). 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.

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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. —Lu et al.

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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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UMD team uses high concentration of LiFSI salt to suppress dendrite formation on Li-metal anode; paired with Ni-rich cathode

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of Li deposition and stripping, along with an anodic stability of >5.5 of Li deposition and stripping, along with an anodic stability of >5.5 Pairing a Li-metal anode in this electrolyte with and LiNi 0.6 When coupled with a high Ni-content cathode such as LiNi 0.6 O 2 (NMC622), a 500 Wh/kg battery becomes possible.

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US DOE releases 2023 Critical Materials Assessment to evaluate supply chain security for clean energy technologies

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The US Department of Energy (DOE) released its 2023 Critical Materials Assessment (2023 CMA), which evaluated materials for their criticality to global clean energy technology supply chains. The Assessment focuses on key materials with high risk of supply disruption that are integral to clean energy technologies.

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PNNL team develops composite sulfur/Ni-MOF composite cathode for Li-S batteries showing excellent capacity retention

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Researchers at Pacific Northwest National Laboratory (PNNL) have used a novel Ni-based metal organic framework (Ni-MOF) significantly to improve the performance of Li-sulfur batteries by immobilizing polysulfides within the cathode structure through physical and chemical interactions at molecular level. Li-S anode work.

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