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IntroductionThe small hole mode swing laser welding has gained increasing recognition due to its ability to bridge gaps, refine microstructures, and enhance the mechanical properties of welds. However, the effects of amplitude, frequency, welding speed, laser beam power, and beam radius on heat flux distribution, melting mode, and three-dimensional temperature field have not been well understood. ...
When you shoot a laser at a solid-state battery, you find that the particles inside are not thrown into the chaos. This surprised a team of researchers from the United States and the United Kingdom.The team discovered the persistence of memory in ions that help move electricity around solid-state batteries.This discovery has improved the understanding of solid-state batteries, which are candidate...
In the process of selecting electric vehicles, the effectiveness of the heating system is often overlooked. However, this system is crucial for providing a warm and comfortable driving environment and removing frost and fog from winter windows. More importantly, it can also improve battery efficiency, as the battery performs best within a specific temperature range.Unlike internal combustion engin...
On quartz sheets, the angular rhombic boron nitride crystals with a thickness of only 1 to 3 microns are as thin as cicada wings, but their energy efficiency is 100 to 10000 times higher than traditional optical crystals. At the opening ceremony of the 2024 Zhongguancun Forum Annual Conference held on April 25th, the world's thinnest known optical crystal was listed as one of the top ten technolog...
It is reported that researchers from TRUMPF in Germany reported research on using dynamic beam shaping of high-power lasers to improve the productivity of hairpin stators, creating opportunities for the electric vehicle industry. Relevant research was published in "PhotonicsViews" under the title "Unlocking opportunities for the EV industry with beam shaping of high-power lasers".The electric vehi...