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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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Researchers in China develop high-voltage-resistant electrolyte for ultrahigh voltage Li metal batteries

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Researchers in China have developed a high-voltage-resistant (HV electrolyte) for use in ultrahigh-voltage lithium metal batteries. As reported in an open-access paper in the RSC journal Energy & Environmental Science , Li||LiNi 0.8 Li||NCM811 cells with a thin (50 ?m) ion batteries (LIBs), although it is challenging.

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University of Sydney team advances rechargeable zinc-air batteries with bimetallic oxide–graphene hybrid electrocatalyst

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University of Sydney team advances rechargeable zinc-air batteries with bimetallic oxide–graphene hybrid electrocatalyst. Zinc-air batteries are powered by zinc metal and oxygen from the air. Zinc-air batteries are powered by zinc metal and oxygen from the air. Other two amorphous bimetallic, Ni 0.4

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New aqueous rechargeable lithium battery shows good safety, high reliability, high energy density and low cost; another post Li-ion alternative

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Schematic illustration of the aqueous rechargeable lithium battery (ARLB) using the coated lithium metal as anode, LiMn 2 O 4 as cathode and 0.5 mol l -1 Li 2 SO 4 aqueous solution as electrolyte. Combining with the coated lithium metal as anode, LiMn 2 O 4 as cathode and 0.5 Wang et al. Click to enlarge.

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AIST researchers synthesize new class of high-voltage, high-capacity cathode materials for Li-ion batteries

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Researchers at Japan’s National Institute of Advanced Industrial Science and Technology (AIST) have developed a new class of contenders for high-voltage and high-capacity Li-ion cathode materials with the composition Na x Li 0.7-x x Ni 1-y Mn y O 2 (0.03. One of the compositions—Na 0.093 Li 0.57

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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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New class of high-capacity cation-disordered oxides for Li-ion battery cathodes; up to 250 mAh/g

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Gerbrand Ceder (now at UC Berkeley/Lawrence Berkeley Lab as of 1 July, formerly at MIT) have developed a new class of high capacity cation-disordered oxides—lithium-excess nickel titanium molybdenum oxides (Li-Ni-Ti-Mo, or LNTMO)—for Li-ion cathode materials which deliver capacities up to 250 mAh/g.

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