The Nissan Leaf is a historic and much-loved vehicle. First-generation (2011-2016) Leafs lack the range that current EV buyers expect, but thousands of owners (including your correspondent) still find them to be delightful daily drivers. One of the many nifty things about EVs is that it’s possible to replace a degraded or damaged battery pack… Read more »
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Heraeus Electronics introduces cost efficient, highly reliable Ag-free AMB solution for high powered electronics
Sponsored by Heraeus Electronics In recent years, the demand for high powered electronics has grown exponentially. With rapid growth in electric/hybrid vehicles, we are seeing that more electronics and power modules are needed to keep up with demand. However, EV/Hybrid vehicles are not the only applications driving this increased demand. Other major applications, such as… Read more »
How to make heavy-duty electric trucks work in practice
Fleets tested Volvo VNR Electric Class 8 tractors for three years: Here’s what they learned. Large commercial trucks and other heavy equipment have run on diesel fuel for many decades now. Requirements for more aggressive emission after-treatment and the hardware to achieve that add cost and complexity for fleet operators. Rising fuel-economy standards during the… Read more »
New electrode material preserves its volume, solving a major limitation of solid-state batteries
Solid-state batteries (SSBs) offer several potential advantages over current lithium-ion batteries, including improved safety and faster charging. However, SSBs suffer from a problem that limits their durability. When lithium ions are inserted into or extracted from the electrodes, the crystalline structure of the material changes, making the electrode expand or shrink. These repeated changes in… Read more »
It’s about time: the 6 phases of thermal runaway propagation
Sponsored by Aspen AerogelsThermal runaway propagation is a complex challenge. No matter the cell chemistry or pack architecture, lithium-ion batteries are at risk of experiencing a thermal runaway event. Although there is no one-size-fits-all solution, battery engineers do not need to reinvent the wheel when developing a solution to meet critical safety requirements. By understanding… Read more »
5 electric vehicle trends seen in 2022
Sponsored by Parker LordJust over a decade ago, a report by IDTechEx predicted 1.5 million battery-electric vehicle (EV) sales by the start of 2021—a prediction seen by many as overly optimistic. Yet, it turned out to be a significant underestimate by more than half. And there is no sign of EV sales slowing in 2022. In fact, Bloomberg… Read more »
Innovative approaches to electrified propulsion system development
Sponsored by AVL There are many ways to develop an e-drive system, or a vehicle with an e-drive system as the source of propulsion. Traditional development methods, while effective for some applications, also present some major challenges—especially when it comes to scalability. Technical and non-technical issues challenge developers and manufacturers in this propulsion system development… Read more »
Jaguar Land Rover to use Wolfspeed’s silicon carbide semiconductor tech in its next-gen EVs
Semiconductor manufacturer Wolfspeed will supply silicon carbide semiconductors for Jaguar Land Rover’s next generation of EVs. Wolfspeed’s technology will be used specifically in the vehicles’ inverter, managing the transfer of power from the battery to the electric motors. The new technology is scheduled to be used in Range Rover vehicles starting in 2024, and in… Read more »
Researchers study particle boundaries in cathodes, develop new NMC cathode design
Image shows single crystals of cathode material: (A) no internal boundaries and (B) internal boundaries visible. (Image by Argonne National Laboratory.) A research team has developed a new NMC cathode design that prevents cracking in cathode particles through a structure that doesn’t have boundaries between particles. “A different approach to avoid this cracking involves single-crystal… Read more »
Researchers achieve a breakthrough in the development of lithium metal batteries
A team of researchers working in collaboration with the Nagoya Institute of Technology has discovered a new mechanism to stabilize the lithium metal electrode and electrolyte in lithium metal batteries. The researchers say the new mechanism, which does not depend on the traditional kinetic approach, has the potential to enhance the energy density of batteries…. Read more »