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Eaton Introduces Portfolio of Battery Pack Vent Valves for Electrified Vehicles

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Power management company Eaton announced its eMobility business has introduced a single-stage vent valve for electrified vehicle (EV) batteries. The valve acts as an overpressure relief for the vehicle’s battery pack.

“As the electrified vehicle market continues to grow, battery packs are becoming progressively more powerful and create more heat. OEMs are designing new safety systems to ease the impact of thermal events,” said Jens Buhlinger, manager, Battery Technology Development, Eaton’s Vehicle Group. “Our new battery vent valve is designed to enable rapid overpressure release in the battery pack.”

A battery pack thermal runaway situation can occur when individual cells inside the unit fail due to physical impact or short circuit. Eaton’s single-stage battery vent valve can be precisely and flexibly designed to meet specific opening pressures and optimize venting. The valve’s proven resealing technology allows Eaton’s customers to specify very low opening pressures and testing for 100% functionality compared with the conventional burst-valve technology commonly used in the market today.

“Our new battery vent valve features an easily assembled quick-connect technology, reducing complexity for battery pack manufacturers while ensuring a robust connection that stays in place,” Buhlinger said. “Our quick-connect feature was developed based on proven technologies from our more than 30 years of experience in safety-critical fuel emissions venting.”

Eaton plans to add new technologies to its battery safety offerings, including a dual-stage valve that incorporates all the features of the single-stage version as well as humidity management solutions for inside EV battery packs.

Learn more about Eaton’s single-stage battery pack vent valve.

Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. Eaton is guided by its commitment to do business right, operate sustainably, and to help its customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, Eaton is accelerating the planet’s transition to renewable energy, helping to solve the world’s most urgent power management challenges, and doing what’s best for its stakeholders and all of society.

Founded in 1911, Eaton has been listed on the NYSE for nearly a century. We reported revenues of $19.6 billion in 2021 and serve customers in more than 170 countries. For more information, visit www.eaton.com. Follow us on Twitter and LinkedIn.

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Contact information

Thomas Nellenbach
thomasjnellenbach@eaton.com
(216) 333-2876 (cell)

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