Researchers at the University of California San Diego and CEA-Leti unveiled a groundbreaking microactuator driving system, combining innovative solid-state battery technology with novel integrated circuit designs for 2-in-1 storage and voltage boost conversion techniques. Presented in a paper at ISSCC 2025, “An Autonomous and Lightweight Microactuator Driving System Using Flying Solid-State Batteries,” the breakthrough addresses a…
IC improves lithium-ion battery protection for automotive applications
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…
What joining methods optimize EV battery production efficiency? part 2
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…
What are the main challenges in developing solid-state batteries for EVs?
Samsung recently announced the development of a groundbreaking solid-state electric vehicle (EV) battery (Figure 1), promising a 600-mile range, 9-minute rapid charging, and a 20-year lifespan. In contrast, EVs with conventional lithium-ion (Li-ion) batteries typically offer a 250 to 350-mile range, 25 to 30-minute rapid charging, and an 8 to 15-year lifespan. Although many major…
How much could solid-state batteries improve EV range?
First-generation solid-state batteries are poised to boost the driving range of electric vehicles (EVs) by 50% to 80%. Solid-state batteries could extend this range even further, with some automotive manufacturers ambitiously targeting 900 to 1,000 miles per charge. This article reviews how solid-state technology increases EV battery capacity and range, discussing lighter and more energy-dense…
What are solid-state batteries, and how do they differ from current EV batteries?
Lithium-ion (Li-ion) battery traction packs power most electric vehicles (EVs) on the road today. These batteries enable electric motors to efficiently generate the high torque required for rapid acceleration and consistent speeds. Although Li-ion batteries offer high energy density and a relatively long lifespan, many automotive companies are actively researching and developing solid-state battery technology.…
Electrode material improves flowless zinc-bromine batteries
The flawless zinc-bromine battery (FLZBB) is a promising alternative to flammable lithium-ion batteries because it uses non-flammable electrolytes. However, it suffers from self-discharge due to the crossover of active materials, generated at the positive graphite felt (GF) electrode, to the negative electrode, significantly affecting performance. Now, researchers have developed a novel nitrogen-doped mesoporous carbon-coated GF…
5A fuses protect Li-ion batteries from overcharging
Littelfuse, Inc. announced the extension of its ITV2718 surface-mountable Li-ion battery protector series. These fuses safeguard Li-ion battery packs against overcurrent and overcharging (overvoltage) conditions—even when fast charging. The latest addition, the ITV2718, provides a five-amp, three-terminal fuse in a 2.7 x 1.8 mm footprint. The innovative design utilizes an embedded fuse and heater element combination…
Q & A: why automation is essential for advancing EV battery manufacturing
Battery technology is the foundational element of electric vehicles (EVs), influencing their efficiency, range, charging speed, lifespan, cost, and overall performance. Engineering firm Bosch Rexroth is well aware of how battery manufacturing affects every one of these factors. It believes innovations in battery technology and advanced manufacturing processes are essential for the widespread adoption and…
What is the EV battery supply chain?
The electric vehicle (EV) battery supply chain is vast and complex, spanning mining and processing to assembly and end-of-life management. This article reviews the supply chain’s four primary stages: upstream, midstream, downstream, and recycling or repurposing. It also highlights major supply chain challenges and explores potential solutions to improve resiliency, efficiency, and sustainability. Defining the…