09 Jul '18, 4am

New Cold-Immune Battery Charges at Freezing Temperatures

New Cold-Immune Battery Charges at Freezing Temperatures

The new battery has the ability to heat itself. It will allow a rapid 15-minute charge at a temperature above -45° F. Engineers used a thin nickel foil with one end attached to a negative terminal and the other one going outside the battery to create an additional terminal. They use a temperature sensor attached to a switch that whenever the temperature is below the room temperature, causes electrons to flow through the foil to complete the circuit. Because of the resistance, the foil heats up and warms the battery. When the temperature rises above room temperature, the switch will activate and the battery starts charging.

Full article: https://www.greenoptimistic.com/new-cold-immune-battery-c...

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