US-based power semiconductor company Navitas has released 650 V bidirectional GaNFast integrated circuits (ICs) and high-speed isolated gate drivers for single-stage bidirectional switch (BDS) converters for applications such as roadside and onboard EV chargers and motor drives. The bidirectional GaNFast plus new IsoFast drivers enable advanced single-stage topologies to further enhance efficiency, power density, and… Read more »
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re/cell launches lithium-ion blocks using recycled cells from Tesla battery packs
US-based supplier of remanufactured battery packs for EVs, re/cell has introduced lithium-ion blocks using recycled cells from Tesla battery packs. Smart battery features built on re/cell’s block architecture include an LED fuel gauge, current detection, charge warning and safety protection, built-in cell balancing with real-time pack status using CAN/SMBus communication and integrated crossflow cooling. The… Read more »
Video: A look at high-voltage EV contactor technology
In a recent interview with Charged, Matt Reynolds from TDK provided a detailed look into the role and design of high-voltage DC contactors used in electric vehicles. These vital safety devices manage the connection and disconnection between the battery and other high-voltage systems like the inverter or charging port. Most EVs use at least four… Read more »
Giyani ramps up to produce battery-grade manganese at demonstration plant in South Africa
Giyani Metals, developer of the K.Hill Battery-Grade Manganese Project in Botswana, has started production at its demonstration plant in Johannesburg, South Africa. The company has developed a hydrometallurgical process to produce battery-grade manganese (HPMSM), a lithium-ion battery cathode precursor material. The production ramp-up has commenced and the plant is working towards initial production of battery-grade… Read more »
Webinar: An integrated approach to electric motor design
Accelerating innovation from initial requirements setting to performance validation To develop high-performance, efficient, and cost-effective electric motors, engineers must navigate a series of challenges. A key hurdle is optimizing these motors to integrate seamlessly into electric drive systems. This task requires a deep understanding of the complex interplay of electromagnetic, thermal, structural, and vibro-acoustic performance…. Read more »
Yanmar’s vision for electric construction equipment includes self-propelled EV battery-charging vehicle
The future, according to Yanmar, is smart electrification, and that includes getting power to where it is needed. If an off-highway electric vehicle cannot go off-site to be charged because the operator cannot afford any downtime, Yanmar will send a charger to the OHEV. Yanmar, a Japanese engine and heavy machinery manufacturer, has released its… Read more »
Eleven companies join project to demonstrate optimized battery production for EVs
Eleven companies will jointly present their battery cell production project, demonstrating a model production process to scale and optimize robot-assisted production of EV battery cells and packs. Bosch Rexroth, DBR77, EDAG, FANUC, Fraunhofer FFB, IBG, KEYENCE, Lenze, Mybotshop, SCHUNK and Vision Lasertechnik will show how different technologies interact to make production processes scalable and increase… Read more »
C-BATT demonstrates Obsidia anode material
C-BATT, a joint venture between US lithium-ion battery components producer X-BATT and carbon and graphite products manufacturer CONSOL Innovations, has developed its US-sourced Obsidia high-capacity battery anode material, which is designed to increase battery energy density and cycle life. Silicon-carbon-based Obsidia and its blends hold more lithium per gram than graphite. In addition to its… Read more »
A closer look at multilevel traction inverters
The vast majority of EV traction motors must be supplied with sinusoidal 3-phase alternating current with the frequency proportional to RPM, and the overwhelmingly favorite way to do this is with a triple half-bridge voltage source inverter, or VSI. In this topology, each bridge switch can connect its output terminal (i.e. motor phase winding) either… Read more »
Herrmann Ultrasonics unveils new tech center in Monterrey, Mexico
German automotive parts manufacturer Herrmann Ultrasonics has opened its newest tech center and laboratory in Monterrey, Mexico. The 1,600-square-foot facility will support collaborative development of customized solutions tailored to specific manufacturing needs. It will also provide access to ultrasonic welding machines, such as the HiQ series, which combine the flexibility of custom machines with the… Read more »
