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

Green Car Congress

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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Who Really Invented the Rechargeable Lithium-Ion Battery?

Cars That Think

Fifty years after the birth of the rechargeable lithium-ion battery, it’s easy to see its value. It was manufactured in small volumes by Exxon, appeared at an electric vehicle show in Chicago in 1977, and served briefly as a coin cell battery. Did Exxon invent the rechargeable lithium battery?

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SES unveils 107 Ah hybrid Li-metal battery, announces new Shanghai gigafactory

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SES (formerly known as SolidEnergy Systems), a developer of high-performance hybrid lithium-metal rechargeable batteries for electric vehicles (EVs) and other applications ( earlier post ), unveiled Apollo, a 107 Ah Li-Metal battery that is the largest in the world and is targeted at the automotive industry.

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INL, UCSD researchers find slow, low-energy charging of Li batteries creates glassy lithium; high-performance Li-metal batteries

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The findings suggest strategies for fine-tuning recharging approaches to boost battery life and—intriguingly—for making glassy metals for other applications. Compared to crystalline Li, glassy Li outperforms in electrochemical reversibility, and it has a desired structure for high-energy rechargeable Li batteries.

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Univ. of Missouri team progressing with convection battery; enabling rechargeable lithium-metal batteries

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The Li / Support is the electrode made possible with the convection battery technology. Galen Suppes say that they have further developed and validated the “convection battery” or “convection cell” technology originally announced in 2011 and 2012 ( earlier post ). Lower mass often translates to lower costs. Source: Dr. Galen Suppes.

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Chalmers, Volvo Group team uses dynamic stochastic route planning to minimize electric commercial vehicle energy consumption

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Range anxiety with electric commercial vehicles is real, since running out of battery can have serious consequences. Additionally, we can ensure that electric vehicles are not running out of battery or charging unnecessarily in complex traffic networks. We have developed systematic tools to learn optimal energy usage.

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Mobilize launching first commercial V2G service starting in 2024 with Renault 5; France, Germany and UK initially

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A smartphone app used to program bidirectional charging, simply by setting the time when the vehicle is going to be used next and the desired battery level.

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