The Tech

Bel’s new inverter for commercial EV accessories

Bel Power Solutions has launched the 700INV60-120-240-9G, a DC-AC inverter for powering accessories on commercial electric and hybrid vehicles. The inverter converts a DC power source into split-phase AC power at 120/240 volts to power auxiliary equipment such as air conditioning. The 6-kW inverter has an efficiency of 93 percent, according to Bel, and can… Read more »

BMW i Ventures to invest in CelLink flexible circuit technology

BMW i Ventures plans to invest in CelLink, a San Carlos, California-based manufacturer of flexible circuit technology. The funding will support CelLink as it moves several projects into full-scale production. CelLink, which plans to continue to ramp production of large-area flexible circuits for power and data transmission in its first manufacturing facility through the end… Read more »

Eaton’s new Flex Power Distribution Unit for EVs

The e-mobility business of power management company Eaton has launched the Flex Power Distribution Unit (PDU) for high-voltage EVs. The Flex PDU is designed to protect vehicle power electronics from short circuits, crashes and system faults. Features of the Flex PDU include: Isolation detection Voltage and current sensing Precharge functionality High-voltage interlock Circuit protection and… Read more »

New report: Cost and performance of batteries improving much faster than forecast

A new report from the Rocky Mountain Institute (via Forbes) finds that improvements in the cost and performance of batteries are quickly outpacing forecasts, due to massive investments in battery manufacturing and steady advances in technology. According to RMI’s Breakthrough Batteries Report, venture capital firms invested over $1.4 billion in battery tech in the first… Read more »

PNNL scientists pinpoint cause of dendrites in lithium batteries

Scientists at the DOE’s Pacific Northwest National Lab have uncovered a “root” cause of the growth of needle-like structures – known as dendrites and whiskers – that plague lithium batteries and can cause short circuit, failure, and even fire. Dendrites are tiny, rigid tree-like structures that can grow inside a lithium battery. Their needle-like projections… Read more »

Eaton launches transmission for heavy-duty EVs

The e-mobility business of power management company Eaton has launched a four-speed transmission for heavy-duty commercial EVs. Designed for Class 7 and 8 vehicles, the new transmission features fine-pitch helical gears and low-noise operation. Eaton said its new gearbox does not have a clutch and is synchronized via the traction motor. The transmission is scheduled… Read more »

Littelfuse launches new high-speed semiconductor fuses

Circuit protection manufacturer Littelfuse has added 275 new fuses to its line of POWR-SPEED PSR high-speed fuses. The new fuses come in various sizes and amperages, and feature bolted and DIN rail mounting options. Littelfuse designed its PSR series fuses for use in power conversion and conditioning equipment for critical semiconductor devices such as diodes,… Read more »

Eaton launches Breaktor high-voltage protection device for EVs

Power management company Eaton has launched a high-voltage circuit protection device called Breaktor. The new circuit protection device for EVs combines the function of fuses, pyro switches and contactors into one solution for high-power battery and inverter systems. Breaktor features less than 5-millisecond actuation up to 1,000 volts and 30,000 amps. The device is also… Read more »