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UCR researchers find commercial fast-charging damages EV batteries, propose new internal-resistance-based technique

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Commercial fast-charging stations subject electric car batteries to high temperatures and high resistance that can cause them to crack, leak, and lose their storage capacity, according to researchers at the University of California, Riverside (UCR) in a new open-access study published in the journal Energy Storage. Ozkan Lab/UCR).

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Ampcera announces internal battery heating architecture for fast-charging solid-state batteries

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a developer of solid electrolyte technologies for advanced electric vehicle batteries ( earlier post ), announced a new, low-cost, energy-efficient internal heating battery architecture that directly targets the solid electrolyte separator, the key component in solid-state batteries. Ampcera Inc.,

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Penn State, EC Power use internal thermal modulation to enable stable fast charging

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A team from Penn State University and start-up EC Power has developed a material-agnostic technology based on asymmetric temperature modulation with a thermally stable dual-salt electrolyte to achieve stable fast charging for Li-ion batteries. In a paper in Nature , the team reports charging of a 265?Wh?kg —Wang et al.

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Cummins invests $24M in flow battery leader VoltStorage

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Cummins has invested $24 million in Germany-based VoltStorage, a developer of stationary flow batteries. The company says that it has the largest fleet of operating flow batteries in the world. Vanadium redox flow battery cell. The cells of a vanadium redox flow battery each consist of two half cells. Source: VoltStorage.

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Enevate announces new production license agreement for silicon-dominant battery technology

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South Korea-based EnerTech International is a leader in delivering lithium-ion cells using state-of-the-art manufacturing facilities to produce high-performance, large format batteries. Pre-production batteries have been built and tested using EnerTech’s existing lithium-ion battery manufacturing equipment.

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LiNa Energy successfully demonstrates Na-ion technology for battery energy storage systems

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Solid-state sodium-ion battery company LiNa Energy ( earlier post ) successfully completed an independent demonstration of its lithium-free sodium batteries for energy storage systems with commercial partner ion Ventures. The test was performed continuously for 5 days and tested over a range of states-of-charge.

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Skeleton, Martinrea Effenco to collaborate on fast-charging batteries in refuse collection vehicles

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SuperBattery, based on Skeleton’s proprietary Curved Graphene raw material, offers a safer and more efficient alternative to conventional Li-ion batteries, can be charged in 90 seconds, has 50,000 life cycles, and is free from cobalt, copper, and nickel.

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