Toyota's research team has made huge advances in lithium-ion battery technology that could potentially revolutionize longevity and the durability of batteries for electric vehicles. Scientists at the Toyota Central Research Laboratory in Japan have developed a method to restore the capacity of damaged lithium-ion batteries, thereby reducing the need for regular replacement.
This new technique involves injecting a specially developed chemical solution into the dead battery. The solution triggers a reaction that increases the number of charged particles such as lithium ions and electrons, effectively restoring the battery's capacity. This process can restore up to 80% of the battery's original capacity, allowing it to withstand up to 100 charge-discharge cycles while maintaining its performance.
The efficiency of this recovery method does not depend on the size of the battery, making it suitable for a variety of applications, including electric vehicles. However, this does not apply to batteries with structural damage. Toyota scientists emphasize the need for continuous research in this area to ensure sufficient reliability of this technology. Further tests are needed to fully verify the process and rule out possible side effects.
Along with this groundbreaking development, Toyota is advancing its battery technology development roadmap. In 2023, the company presented a strategic plan aimed at launching solid-state batteries by the end of the decade. These batteries are expected to provide a range of around 1,000 kilometers and the quick charge time from 10 to 80% will be only 10 minutes.
Prior to the advent of solid-state batteries, Toyota plans to release other advanced solutions. By 2026, the company intends to introduce the "Performance" liquid electrolyte batteries that will provide 800 kilometers of range, 20 minutes of charging time and a 20% cost reduction compared to bZ4X batteries.
In 2026-2027, Toyota will introduce LFP batteries with a bipolar structure, which will provide a range of 600 km, a charging time of 30 minutes and a 40% reduction in costs. Additional innovations are expected in 2027-2028 with the launch of the "High-Performance" batteries that will provide a range of 1000 km, a charging time of 20 minutes and a 10% reduction in costs compared to the "Performance" the batteries.