The company says it wants to have a battery capacity of 180 to 200 gigawatt-hours by 2030. It's fair to say that the world's largest automaker has lagged behind towards battery electric vehicles.
The situation seems to be changing. Toyota announced on Tuesday that it will spend $13.6 billion (1.5 1.5 trillion) on batteries by 2030. Of this amount, $9 billion (1 1 trillion) will be allocated to battery production, with a planned production of 180-200 GWh/by the end of the decade .
"What Toyota values most is developing batteries that its customers can use safely. In particular, we focus on safety, longevity and longevity." Masahiko Maeda, “High quality for good production, low cost and high performance batteries,” said Chief Technology Officer. On batteries, the high power demand from lithium-ion batteries can cause internal sore points in the package, but by monitoring the voltage, current and temperature of the cells, modules and the entire package, Toyota says it can now produce abnormal heat control. .
The automaker also sets an ambitious battery life goal. In the United States, federal regulations require manufacturers to warrant a BEV battery pack for at least eight years, or 100,000 miles, by which time the pack must retain 70 percent of its original capacity.
But Toyota wants to go further. On top of that, he says the new bZ4x electric crossover, which will launch next year, should retain 90 percent of its battery capacity after 10 years. The company intends to achieve this goal by preventing deterioration of the anode surface which requires moisture prevention during production. Toyota also uses standardized battery cooling and better control software.
In addition, Maidah explained that improving the quality prevents foreign metals from entering the cells during production, as they may be damaged if metals are attached to the cells. Anode and cathode directly. Announcement
From 2025, Toyota says it intends to reduce the cost of each car battery by 50% compared to the bZ4x, by lowering the actual cost of the batteries themselves (up to 30%) and optimizing them. Vehicle efficiency (again 30%).
According to plan, Toyota should be seen carrying a solid battery in the second half of the decade. "We're developing solid-state batteries to see if we can show the fun in things like higher output, longer range and shorter charging time," Maeda said.
In the summer of 2020, the company built a car and began testing it with solid-state batteries. Maeda said most of the output from solid-state batteries means they appear first in Toyota hybrids, which require an immediate power delivery (rather than focusing on the durability of BEV batteries).
However, this project requires control over the lifetime or absence of frequently charged solid state cells due to the formation of lithium metal dendrites that penetrate the anode through the separator and can puncture the cathode. , Will be destroyed. In this regard, "Toyota identified an issue that brought us one step closer to marketing." In total, Toyota says it plans to sell 70 different electric models by 2025.
Toyota is finally getting serious about electric cars, announcing a $13.6 billion battery program
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