Results for: "army"

US Army plans for an EV future

The US Army has been tentatively testing EV technology for some time. Electrification offers opportunities to streamline the military’s logistics tail and to improve its mobility and reach, and the process needs to move faster, a general with Army Futures Command told Defense News in a recent interview. “Let’s be clear. We’re behind. We’re late… Read more »

Hydro-Québec and US Army collaborate on 5 V 1.2 Ah cell technology

Researchers from Hydro-Québec and the US Army Research Laboratory (ARL) used a new high-voltage cathode to produce what they say is the world’s first 5 V, 1.2 Ah Li-ion cell. According to ARL scientists Jan Allen and Richard Jow, who published their findings in the Journal of Power Sources, the cells enable higher energy densities and improved… Read more »

US Army partners with Brown University to study SEI on silicon anodes

The US Army Research Laboratory (ARL) and Brown University researchers have teamed up to study the solid electrolyte interphase (SEI) layer that forms on the anodes of lithium-ion batteries, with particular emphasis on experimental silicon anodes. The Army is working to replace its alkaline and nickel-metal hydride field batteries with Li-ion batteries. “The Army is… Read more »

US Army microgrid features bidirectional EV chargers

It’s not just trees and money that are green – it’s also the color of military uniforms. The US Army is a pioneer in electric mobility and renewable energy, especially in the field of microgrids – small independent smart grids that can power an entire military base. Last December, the Army Corps of Engineers commissioned… Read more »

US Army base uses EVs as energy storage devices on microgrid

While many have discussed the potential of EVs to act as energy storage devices in a smart grid of the future, the day when this idea can be implemented on a citywide scale is probably pretty far off. However, a smaller, self-contained “microgrid” offers the perfect opportunity to test the concept. Microgrids are one of… Read more »

USA Rare Earth acquires permanent magnet manufacturing capability

USA Rare Earth has purchased the neodymium iron boron (NdFeB) permanent magnet manufacturing equipment formerly owned and operated in North Carolina by Hitachi Metals America. Demand for rare earth magnets is being driven by plug-in vehicles (electric motors and batteries), wind generators (direct drive generators), medical devices (personal vital sign monitors and medical imaging machines)… Read more »

A look at BMS validation testing

The battery pack is not only one of the most expensive components in an EV—it’s also incredibly complex, in some cases comprising thousands of individual cells. The tasks of preserving a battery’s efficiency, lifespan, thermal stability and safety rest upon the battery management system (BMS), an embedded controller that regulates the flow and distribution of… Read more »

Tesla’s battery research partner Jeff Dahn calls new chemistry the best he’s seen in 10 years

21st-century soldiers use lots of battery-powered gadgets, and they need batteries that are light to carry, safe, and impervious to abuse – exactly the characteristics required by EV batteries. A new battery tech developed by the US Army has attracted the attention of battery luminary Jeff Dahn, who works with Tesla on battery research. In… Read more »

Short sellers burn, financial pundits fulminate as Elon Musk announces plan to take Tesla private

Wheee! What fun it must be to set the financial markets and the media ablaze with a single tweet, and incinerate $1.3 billion of your enemies’ wealth with a few keystrokes. Tesla has been through some roller coaster rides before, but this year has been unlike anything we’ve ever seen, and things just got even… Read more »

Water-in-salt electrolyte boosts energy density

Researchers at the University of Maryland (UMD) and the US Army Research Lab (ARL) are collaborating on a new type of lithium-ion battery that uses a high concentration of salt in an aqueous electrolyte. They hope to develop a battery that offers greater energy density and better safety than current designs. “Lithium-ion batteries raise safety,… Read more »