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DNV GL unveils battery testing tool

UNITED STATES: DNV GL has created what it claims is the first testing-based verification procedure for the lifetime for Lithium-ion batteries.

No two batteries have the same performance, DNV GL Americas' energy storage leader explained (pic credit: E.on)
No two batteries have the same performance, DNV GL Americas' energy storage leader explained (pic credit: E.on)

The certification body’s new software tool Battery XT compiles life-cycle data and predicts battery degradation under different conditions and duty cycles, the company said.

Battery XT enables operators to verify product warrantees and performance guarantees before they buy, DNV GL stated.

Davion Hill, DNV GL’s energy storage leader for the Americas, explained markets have different duty cycles — operating parameters of a battery, depth of discharge, cycle length and length of time in standby mode, for example — and that all batteries perform differently.

This leads to bottlenecks in project development because each project requires a unique lifetime verification.

"To solve this, we calibrated legacy automotive life prediction models with a minimum dataset," Hill added.

"Once tested, batteries can be sized to any duty cycle and developers can scale without waiting on data from suppliers.

"We have built the world’s only independently created database of Li-on battery performance to help the market deploy faster."

DNV GL has created an interactive online demonstration of Battery XT, with three scenarios.

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