Materials

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Motor materials

Materials are as fundamental to e-motors as they are to every other engineered artifact, and selecting the right material for each application is crucial in any motor development project. Powering a broad range of vehicles with diverse duty cycles and operating environments, presents multifaceted challenges and material trade-offs.

Deep Insight

Motor cooling

E-motor cooling technology is evolving rapidly, as Peter Donaldson finds out Discussions on thermal management in electric vehicles (EVs) usually focus on the battery because of the risk and potential consequences of thermal runaway. However, keeping motors comfortable in terms of temperature is also crucial to the performance, reliability, efficiency and longevity of an EV’s powertrain

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Henkel unveils battery innovations for performance and circularity

Henkel will showcase a range of new materials and technologies at The Battery Show Europe 2025 (June 3–5, Messe Stuttgart, Hall 10, Booth G10) aimed at speeding up EV battery development, improving safety, and supporting sustainability throughout the battery lifecycle.

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Parker launches CoolTherm TC850 for EV battery integration

Parker Hannifin has expanded its CoolTherm materials portfolio with the introduction of CoolTherm TC850, a thermally conductive structural adhesive engineered for electric vehicle battery pack applications. The new material addresses critical requirements in battery module assembly, including efficient thermal management, structural bonding, and process optimization.

Grid

Hyundai Mobis develops pulsating heat pipes for ultrafast charging

Hyundai Mobis has developed a ‘pulsating’ heat-pipe (PHP) material to improve the thermal performance of battery packs during fast charging. It aims to prevent overheating during the ultra-fast charging of EVs, writes Nick Flaherty.

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Freudenberg Sealing Technologies offers ew sealing material for safe battery cells

Freudenberg Sealing Technologies offers an optimized sealing material for e-mobility applications as an alternative to PFAS-containing thermoplastic and FKM seals. This new material series is processed by injection molding, delivers superior sealing performance, ensures battery life and meets increasingly stringent environmental regulations.

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Ricardo develops rare earth and copper free, electric propulsion motor

Ricardo, a global strategic, environmental and engineering consulting company, has designed, developed and tested a prototype electric propulsion module, Alumotor, an innovative rare earth metal free synchronous reluctance motor.

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Precise measurement of battery films

The combiSENSOR KSB6430 combines two different measuring principles and converts their advantages into precise thickness measurements. The measuring range of the sensor extends from 5 µm to 3 mm and is therefore designed for both very thin and thicker coatings.

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New manufacturing innovations offer EV weight loss

The quest for greater efficiency and range in EVs is often focused on battery technology and drivetrain efficiency, but fundamental physics point to another key factor in the equation: weight. The increasingly popular move from 400V to 800V systems saves weight through lighter cables, but even reductions of a few kilogrammes can make a tangible difference and one company is exploring innovations in sheet metal that could change the game.

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Analysis finds Altilium’s CAM outperforms virgin mined materials

Altilium has announced the results of research by Imperial College London, revealing that its recycled cathode materials (CAM) match and outperform virgin mined materials – a critical milestone in the bid to meet net-zero targets.

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