Batteries are a key element in electric vehicles (EVs), and there has been a lot of development in solid-state and other EV battery chemistry. This FAQ will highlight the promising materials that align with solid-state and other EV batteries, making them suitable for EV batteries. Material advances in solid-state batteries In solid-state batteries, sulfide, oxide,…

ABLIC has introduced the S-19161A/B integrated circuit (IC) designed to support the miniaturization of backup power systems in automotive applications. This new IC enables vehicle manufacturers to replace multiple nickel-hydride batteries with a single lithium-ion battery in emergency backup systems, offering the same functionality in a more compact design. The S-19161A/B operates in extreme temperature…

This final part of the multipart FAQ will explain the mechanical assembly and soldering process used to make joints during electric vehicle (EV) battery production. Although these two mechanisms are somewhat primitive in nature, they still find applications for making low-cost EVs where the makers do not have access to automation and advanced technologies. Mechanical…

This third part of the multipart FAQ will discuss magnetic pulse welding, micro-TIG, and clinching for electric vehicle (EV) battery productions. While the first two mechanisms use high temperatures to make joints, the clinching mechanism is based on applying force to create mechanical interlocking to create joints. All three mechanisms are less popular than the…

Resistance spot welding and wire bonding are popular choices for creating joints during EV battery production. However, every joining technology comes with a trade-off, giving packaging engineers room to select the appropriate one for their battery design. This is the second part of the multipart FAQ on the joining methods for EV battery production and…

Joints are important electrical and mechanical connections in producing electric vehicle (EV) batteries. They link individual battery cells to make a full battery pack. However, the process of making joints has evolved over the years due to various technologies. This first part of the multipart FAQ will discuss ultrasonic welding and laser welding, two commonly…

Renesas Electronics Corporation has introduced two new ICs for Extended Power Range (EPR) USB Power Delivery (PD): the RAA489118 buck-boost battery charger and the RAA489400 USB Type-C port controller. The RAA489118 operates as either a battery charger supporting two to seven battery cells in series or as a voltage regulator supporting 30V input and 30V…

Innoscience Technology has launched a new generation of battery management system (BMS) solutions based on VGaN technology. Increased demand for convenient eco-friendly travel, mobile energy storage, and small power solutions has driven rapid market developments. Battery protection system (BMS) technology needs further advancement to improve battery safety and efficiency. GaN technology supports this by improving efficiency, […]

MIT engineers say they developed tiny batteries that could enable the deployment of cell-sized autonomous robots for drug delivery in the human body. The battery measures 0.1. mm long and 0.002 mm thick, coming at roughly the thickness of a human hair. It can capture oxygen from air and use it to oxidize zinc. According…

NXP Semiconductors has announced the MC33777, a battery junction box integrated circuit (IC) that combines sense, think, and act capabilities for battery management systems. The MC33777 integrates pack-level functions into a single device, which differs from conventional solutions that use multiple discrete components, external actuators, and processing support. The MC33777 IC monitors battery current and…