11 22 Contents 4 March 2023 FEATURES 4 Laser Beam Shaping Increases Welding Speed of EV Battery Coolers 11 Refining Automotive Battery Management Systems with Lumped-Approach Thermal Modeling 16 Building Out the EV Battery-Recycling Ecosystem 22 Advancing Higher Speeds and New Techniques for EV Recharging BRIEFS 26 Anode-Free Lithium Batteries with Maximized Energy Density 26 Simplifying the Production of Lithium-ion Batteries 27 New Hybrid Electrolyte for High-Performance Lithium-ion Batteries 28 Using Nano-Engineering Techniques to Develop a Safer Battery 29 Improving Accuracy of Battery Charge Measurement 30 Sodium-Ion Battery Anode for Energy Storage 30 A Sodium-Aluminum Battery Aims to Integrate Renewables for Grid Resiliency ON THE COVER The ability to charge EVs at a very fast rate is a key to electrifying mobility across the U.S. It's a focus of the U.S. Department of Energy's Extreme Fast Charger project and other companies are also developing super-fast electric charging technologies, including charging without stopping at all with a roadway-embedded wireless charging network. Learn more on page 22. (Image: Blue Planet Studio/Adobe Stock) 16 DEPARTMENTS 33 New Products Concept From Reality to Make the Leap with Our Automotive Passive Components Thin Film Resistors: RN73H * High reliability and stability at elevated temperatures * Long term precision thin Metal Plate Current Sense Resistors: TLR Series * Low resistance * High reliability and performance with low T.C.R. Check out our solutions for Automotive Applications at KOASpeer.com/auto 2 Specialty Resistors: HV73V * Maximum working voltage: 800V, 2.5x of general-purpose type * Suitable for high reliability applications Battery & Electrification Technology, March 2023 MORE THAN JUST RESISTORShttp://info.hotims.com/84477-748