Battery

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Battery thermal barriers

New materials from carbon nanotubes to intumescent polymers are opening up innovative ways of providing thermal management in e-mobility battery packs, as Nick Flaherty finds out. From mica sheets to thermal gap fillers and aerogels, there are now more options than ever for managing heat flow through a battery pack and powertrain, and for mitigating the effects of thermal runaway.

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Battery separator materials

Peter Donaldson examines the essential properties of battery separator materials. Every lithium-ion cell has a separator between the electrodes, an often overlooked but fundamental component with three key functions.

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Henkel unveils new thermal potting solutions to boost electric vehicle power electronics reliability

Henkel has announced two new additions to its thermal potting portfolio for electric vehicle powertrain systems, responding to the increasing demand for integrated x-in-1 architectures that combine inverter, on-board charger, e-motor, and DC-DC converter functions.

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AGCO Power Future Battery Concept brings tailored electric power to next generation farming

AGCO Power is stepping into the future of farming with its Future Battery Concept, unveiled at Agritechnica 2025 as a prototype energy storage system designed specifically for agricultural machinery. This 150 kWh battery is built around NMC (Nickel-Manganese-Cobalt) chemistry, using approximately 1,400 cylindrical cells to deliver the kind of energy density and durability needed for farm tasks.

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Asahi Kasei and EAS launch ultra-high-power LFP cell with advanced electrolyte

Asahi Kasei and EAS Batteries are aligning electrolyte chemistry with cell design to push LFP into ultra-high-power territory, anchoring a licensed acetonitrile-containing electrolyte in a new cylindrical 22 Ah format due on the market by March 2026.

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Vernay’s passive vent reduces battery moisture ingress

Vernay has developed a passive battery vent valve system that radically reduces uncontrolled moisture ingress during pressure equalization. The Volta Vent, now in series production, combines overpressure and vacuum relief with a sealed "protection zone" that only opens during necessary venting events, writes Peter Donaldson. 

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Porsche develops structural battery for next-generation Cayenne Electric

Porsche has unveiled details of the high-voltage technology underpinning its first all-electric Cayenne, a model set to extend the brand’s E-Performance philosophy to the large SUV segment. Built on an evolution of the Premium Platform Electric (PPE) architecture, the Cayenne Electric combines an 800-volt system with intelligent energy management to deliver performance, efficiency and long-range capability suited to both everyday driving and long-distance travel.

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Scansonic’s laser welding optics enhance precision in EV battery enclosure manufacturing

Laser welding is taking on an increasingly critical role in the series production of battery enclosures for electric vehicles as vehicle manufacturers accelerate the transition to fully electric drive systems.

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Innovative battery cell production cuts energy use by 70% with Dürr and GROB dry coating technology

Dürr and GROB have developed a battery cell production concept factory focused on reducing energy consumption and space requirements while improving performance and battery quality. The concept employs dry coating technology that eliminates the drying stage by using a dry-mixed active material pressed into a free-standing film and laminated onto the collector foil.

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24M ETOP battery technology boosts EV range by up to 50%

24M ETOP battery pack integrates energy-storing electrodes directly into the pack, boosting EV range while reducing size and cost. 24M Technologies has unveiled its revolutionary 24M ETOP (Electrode-to-Pack) battery pack technology, delivering up to 50% more electric vehicle range through unmatched energy density.

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