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December 1, 2021

StoreDot develops self-restoring battery cells

Patented technology uses algorithms to restore underperforming cells in a battery pack.

By Graeme Roberts

StoreDot, the Israeli pioneer of extreme fast charging (XFC) battery technology for electric vehicles (EVs), has revealed new patented technology that will allow battery cells to regenerate while they are in use, through a seamless background repair mechanism.

The newly developed system includes software algorithms with corresponding hardware. The self-repairing system identifies a cell or string of cells that are underperforming or overheating, temporarily disabling them in order to proactively recondition them back to 100% performance, without the driver experiencing any driving interruption or loss of performance in their electric vehicle.

This advancement of a ‘self-healing’ approach to electric vehicles will play a major role in prolonging battery life and driving range, as well as improving safety by preventing overheating or any danger of thermal runaway, the manufacturer claimed.

A recent granted global patent, ‘Recovering defective branches and/or cells of battery packs by deep discharges’, covers the novel method of how this innovation should be implemented in various EV battery pack scenarios, while the vehicle is either charging, resting or driving.

Doron Myersdorf, StoreDot CEO, said: “This approach is truly transformative with huge real-world benefits for electric vehicle owners, improving performance, safety and the longevity of their vehicles. It also plays a crucial role in eradicating range-anxiety, which remains the main barrier to electric vehicle ownership.”

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