Tech Features

Wildcat Discovery Technology creates new experiments to accelerate battery research

The pulse of the industry: Wildcat Discovery Technology is at the forefront of battery research, solving problems and accumulating insight. When Charged wants to catch up on the newest trends in cutting-edge battery technology, there are a few companies we turn to for insight. At the top of the list is a group whose high-speed… Read more »

LG Chem Power CEO: We’re the Li-ion leader for PEVs because of material science

Q&A with LG Chem Power’s CEO: Dr. Prabhakar Patil on how the company became a Li-ion battery front-runner, the economics of building batteries, and why it spends little energy on what comes after lithium. Among Tier 1 automotive suppliers of lithium-ion cells, LG Chem is off to a clear lead, based on the number of announced… Read more »

The future of integrated inverters: Press-fit solderless interconnects and smarter design

Interplex, the complex assemblies expert, on power electronics, the automotive industry and the continuous drive for smarter design Power modules containing high-power insulated-gate bipolar transistors (IGBTs) are at the core of most modern inverters. These modules are the electronic muscle of the system. They perform all the switching, and they generate all the heat. But… Read more »

Ionic liquid electrolytes may open the door for higher-voltage batteries

The curious case of ionic liquids: Boulder Ionics/CoorsTek Specialty Chemicals Iolyte electrolytes When you think of liquids under the brand name Coors, you think of the Silver Bullet, the Banquet Beer. You certainly don’t think of high technology, unless you’re really easily impressed by cold-activated cans. However, not everyone knows that there’s another huge conglomerate under… Read more »

Siemens saves weight and space with integrated motor and inverter

Screw it in and drive Among the companies pushing the boundaries of packaging efficiency is the German engineering colossus Siemens. The company has developed an integrated motor and inverter contained in a single housing, the Siemens Sivetec MSA 3300. The new drive unit reduces weight, frees up six to seven liters of additional space, lowers… Read more »

The EVSE GMI circuit: Should the standards be changed?

Leviton’s Director of Engineering explains the EVSE GMI circuit and why he believes the standards should be changed. One of the many safety features integrated into EVSE is the ground monitor interrupter (GMI) circuit. The GMI circuit ensures that the ground path is connected from the vehicle chassis all the way to the electric service… Read more »

AutoLion Li-ion battery simulation software claims a unique modeling technology

Super modeling: EC Power’s AutoLion claims unique technology, reliable results and extraordinary savings in development time and cost With battery technology being one of the key bottlenecks slowing down the widespread adoption of electric vehicles, Pennsylvania’s growing startup EC Power proposes a tantalizing offer to battery developers: cut your product development cycle by around 20 percent, and… Read more »

Pushing the power limits: Fuji Electric on the new requirements of power electronics

With each passing model year, the requirements demanded of automotive power electronics increase. Market forces are pushing Insulated Gate Bipolar Transistor (IGBT) modules towards lighter, smaller, more powerful and more reliable technology. These switching devices are what power an EV or hybrid inverter, and with increasingly stringent emissions requirements, automakers are looking for more innovative… Read more »

Voltabox begins building Li-ion battery packs in Texas

Three Li-ion battery chemistries, the speed of its software and hardware systems configuration and the automotive legacy of Voltabox make this newly-landed American spin-off company a player in the realm of rechargeable batteries for public transit and heavy industrial vehicles. Austin, Texas is known for many things: music festivals, barbequed ribs, the Texas Longhorns, filmmaker… Read more »

Next-gen battery pack testing: AeroVironment launches the AV-900 EX

In the late 1980s, General Motors contracted with the California-based firm AeroVironment to develop the Impact electric concept car. It was the prototype that evolved into the infamous EV1 production car. While designing the Impact, AeroVironment needed the ability to test large-format battery packs for automotive applications. However, at that time, essentially no one else… Read more »