"It's called the Dectravalve and it can be fitted to any battery, no matter the chemistry. The device can independently cool or heat up to four independent battery zones with no cross-flow and a single inlet. Keeping an electric car's battery in the right temperature zone is essential. That's why almost all new EVs have some sort of heating and cooling system that ensures the battery can be fast-charged safely and that it will deliver as many miles of range as possible, whatever the weather."
"Usually, an EV battery will have a cooling plate that runs above or below the modules. That's fine for most situations, but it also means that some cells might get too hot in certain situations because they're too far from the coolant. And if one cell is too hot, it forces the whole pack to throttle the power input or output."
Hydrohertz developed the Dectravalve to provide precise thermal management for electric vehicle batteries. The compact device uses a single coolant inlet to independently cool, heat, or recover energy from up to four separate battery zones without cross-flow. The Dectravalve can fit any battery chemistry and targets specific areas to prevent isolated overheating that would otherwise force pack-wide power throttling. The device promises faster safe charging, improved driving range, and reduced battery degradation while avoiding the cost of redesigning battery packs. The company arranged independent testing by the Warwick Manufacturing Group on a 100-kWh LFP EV battery.
Read at insideevs.com
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