Thermal runaway in EV battery packs: designing a mitigation strategy


Aspen Aerogels’ cutting-edge materials protect against thermal runaway Thermal runaway occurs inside a battery cell through a fault, a crash scenario or some other defect that causes the cell to release thermal energy through chemical reactions. That thermal energy increases the temperature of the cell, the increased temperature drives faster kinetics, and more heat is… Read more »

Inside Exro’s all-in-one EV powertrain technology 


Exro Technologies is building a future in which an EV’s motor, drive, gearing and AC charging system are integrated into one highly compact and efficient system. Engineers are always looking for cost-effective ways to get the most range out of an electric vehicle’s battery pack. Exro Technologies is triangulating on a solution with three core… Read more »

6 tips for creating high-throughput battery production in record time


Batteries represent nearly one third of the total price of a typical EV, and there’s a push to get that down to 20% or less by the end of this decade. In an effort to lower costs and accelerate production, the EV industry has been searching for ways to make the assembly process more efficient… Read more »

HBK’s digital algorithm can map EV motor efficiency 10 times faster than analog systems


In order to maximize an EV’s range for a given battery capacity and vehicle weight, engineers try to eke out as much performance as possible from the electrical and mechanical systems. Using a process called efficiency mapping, they determine the “sweet spots” of a powertrain—the regions of the torque-speed curve where the system operates at… Read more »

Sealing expert KACO expands portfolio of shaft grounding rings


KACO, a maker of sealing technologies, has expanded its product line to include shaft grounding rings designed to protect the bearings and gearing of electrical machines. The company offers a portfolio of shaft grounding rings ranging from single washers to complex customer-specific solutions with various carrier parts.  KACO’s modular system of shaft grounding rings, specially… Read more »

InnoSwitch3-AQ supports EV designs with expanded 30-1,200 V input range


Power Integrations has expanded its InnoSwitch3-AQ family of devices, which combine a MOSFET, primary and secondary controllers and Fluxlink reinforced isolated feedback into a single IC. The new family members feature a 900 V primary MOSFET, which is designed for safe and reliable operation during system voltage transients while reducing the number and cost of… Read more »

Silicon Mobility improves inverter and motor efficiency through digital control


Silicon Mobility, a provider of digital controls for EV powertrains, says its control system improves inverter and motor efficiency by 2% to 4.6% compared to the industry-standard SVPWM control technique.  During the 34th International EV Symposium, Silicon Mobility and Cascadia Motion presented their latest research results, in which Optimized Pulse Pattern (OPP) modulation increased the… Read more »

Skeleton Technologies raises €70 million to develop EV batteries and supercapacitors


Skeleton Technologies, a maker of energy storage devices, has secured an additional €29 million in Series D financing, bringing its total Round D financing to €70.4 million. “Unlike Tesla, Panasonic or LG, who use similar raw materials and compete in engineering, Skeleton has focused on vertical integration based on our proprietary curved graphene material,” said… Read more »

BMW begins E-drivetrain production for its iX and i4 electric models


Production of BMW’s fifth-generation high-voltage batteries and battery modules for use in the BMW iX and i4 is now underway at the Competence Centre for E-Drive Production in Dingolfing, Germany. At the same time, the company is increasing production capacity for its fifth-generation electric motor, which has been built in Dingolfing for the iX3 since… Read more »

Marposs updates its Optoquick inspection system from motor shafts and other cylindrical components


Marposs, a specialist in measurement, inspection and test technologies, has announced a new generation of its Optoquick measuring system, which combines a touch measuring system and an automatic stylus changing system. Within a measuring cycle, the contact sensor stylus can automatically be exchanged with the new multi-axis G65 contact gauge, enabling measurement of non-visible features… Read more »