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ORNL team develops low-cost scalable method to join materials in solid-state batteries; electrochemical pulse

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Scientists at the Department of Energy’s Oak Ridge National Laboratory have developed a scalable, low-cost method to improve the joining of materials in solid-state batteries, resolving one of the big challenges in the commercial development of safe, long-lived energy storage systems. Credit: Andy Sproles/ORNL, US DOE.

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Japan team evaluates battery-assisted low-cost hydrogen production from solar energy

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Researchers from Japan’s NIMS (National Institute for Materials Science), the University of Tokyo and Hiroshima University have jointly conducted a techno-economic analysis for hydrogen production from photovoltaic power generation (PV) utilizing a battery-assisted electrolyzer. This approximately converts to US$1.92 to US$3.00/kg

Low Cost 403
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New long-duration, extended capacity Na-Al battery design for grid storage

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Researchers led by the Department of Energy’s Pacific Northwest National Laboratory (PNNL) have extended the capacity and duration of sodium-aluminum batteries. The new sodium-based molten salt battery uses two distinct reactions. The team previously reported a neutral molten salt reaction. of peak charge capacity. —Weller et al.

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Tokyo Tech team develops low-cost germanium-free solid electrolyte for Li-ion batteries

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Researchers at Tokyo Institute of Technology have devised a low-cost, scalable approach to developing all-solid-state batteries, improving prospects for scaling up the technology for widespread use in electric vehicles, communications and other industrial applications. Si 1.08 ]P 1.65 S 12 (Li 3.45 [Sn 0.09 Si 0.36 ]P 0.55

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Researchers use graphite positive electrodes in high-capacity rechargeable lithium/chlorine batteries

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The study is published in the Journal of the American Chemical Society. In an earlier study, the researchers reported ∼3.5 In an earlier study, the researchers reported ∼3.5 This work could open up widely available, low-cost graphitic materials for high-capacity alkali metal/Cl 2 batteries. 2c07826.

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Silica-based cathode enables long-life Li-S batteries

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Scientists from the Daegu Gyeongbuk Institute of Science and Technology, Korea, have developed a novel silica-based cathode for lithium–sulfur batteries, thereby enabling the realization of batteries that can last for more than 2,000 charge/discharge cycles. However, using sulfur in batteries is tricky for two reasons.

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Fraunhofer researchers develop new low-cost dry-film electrode production process

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Researchers at the Fraunhofer Institute for Material and Beam Technology IWS in Dresden have developed a new battery cell production process that coats the electrodes of the energy storage cells with a dry film instead of liquid chemicals. BroadBit uses it to produce new types of sodium-ion batteries. © Fraunhofer IWS.

Low Cost 339