Hiroshima University researchers say Ultraviolet-C light with a wavelength of 222 nm effectively kills SARS-CoV-2. Other studies involving 222-nm UV-C have so far only examined how well it kills seasonal coronaviruses structurally similar to the SARS-CoV-2 but not on the COVID-19-causing virus itself. Operation at 222 nm is said to be safer than emitting light […]
Higher contrast, better resolution: Automotive display full-array local dimming
By Logan Cummins, Infotainment Systems Engineer, Texas Instruments A local dimming backlight technology individually adjusts LEDs in an LCD panel to save power and improve contrast ratios in automotive displays. Compared to globally dimmed displays and organic LEDs (OLEDs), local dimming with LEDs is a more practical design choice because it can withstand the extreme […]
A better automotive display from pixel to picture with local dimming
By Logan Cummins, Infotainment Systems Engineer, Texas Instruments Automotive specifications and environmental conditions have caused the automotive display market to lag behind the consumer display industry in contrast ratio, black levels, resolution, curvature, and form factor. Automakers try to differentiate their infotainment human-machine interface (HMI) displays and catch up to the technological advances now common […]
How to design modular DC-DC systems
When designing a modular DC-DC system, it is important to look at the entire power-delivery system from source to load to achieve the desired functionality and performance. This tutorial series examines the modular DC-DC system design process and walks through an example set of system loads and the process to supply those from a given […]
Flow battery application challenges and considerations – Virtual Roundtable (part 2 of 2)
In this second part of EEWorld’s “virtual roundtable” discussion on flow batteries, our panelists delve into the impact that the emergence of flow batteries is having on energy storage compared with conventional rechargeable batteries: What factors determine when flow batteries are more cost-effective than rechargeable batteries? How do the maintenance and monitoring needs of flow […]
Flow battery capabilities and performance – Virtual Roundtable (part 1 of 2)
In this first part of EEWorld’s “virtual roundtable” discussion on flow batteries, our panelists delve into the impact that the emergence of flow batteries is having on energy storage compared with conventional rechargeable batteries: What performance advantage do flow batteries have? What is the barrier to large scale deployment? And how do the environmental or […]
Formula E Gen3 smaller batteries, regen and fast charging
The battery and energy systems of Formula E cars will change significantly with the introduction of the third generation (Gen3) design in 2022. The Gen3 specifications are scheduled to last three seasons until 2025. In Gen3 cars, the battery will be lighter (so will the entire car), it will be capable of handling fast charging […]
Formula E teams and technology partners
Formula E has a total of 12 teams with 24 drivers and 24 cars. In addition, there are numerous technology sponsors. This third and final FAQ in EEWorld’s Formula E series reviews some of the current technology partnerships of the various teams. Powertrain partners are particularly important, and battery cooling is becoming an issue, especially […]
Formula E Gen2 and attack mode
Formula E is an all-electric-powered FIA (Fédération Internationale de l’Automobile) championship that began in 2014. In 2018, ABB is brought its name to the series, which is now known as the “ABB FIA Formula E Championship.” The races are set to 45 minutes plus one lap. During the first four seasons, drivers made one mandatory […]
On the energy storage front: Structural batteries, capacitors with ultra-high energy density
The high interest in more economical energy storage these days yields a continual stream of news about advances in battery chemistry. Here are a couple recent developments of particular note: Capacitors with a high energy density — Capacitors generally have low energy densities relative to batteries or fuel cells. Researchers at the Dept. of Energy’s […]
- 1
- 2
- 3
- …
- 59
- Next Page »
