Toyota makes breakthrough – Bangkok Post

Posted: Friday, November 25, 2016







TOKYO: Toyota Motor Corp has developed a new way of observing the movements of tiny particles in batteries used to power electric vehicles — an advance it says will help boost their cruise range by 10 to 15%.

Toyota engineer Hisao Yamashige explained to reporters yesterday at the Japanese automaker’s Tokyo office the complex method for tracking the lithium ions, which are tiny particles in lithium-ion batteries, also used in laptops and smartphones.

The ions’ movements, which are extremely hard to detect, are critical in determining the efficiency and power of a battery.

Increasing cruise range is the biggest obstacle for electric vehicles, especially because charging stations aren’t as common as gas stations.

Toyota is more bullish about fuel-cell vehicles, which are expensive but can deliver the same cruise range as gas engines.

Yamashige said there was no change to that overall company policy.

Toyota, which makes the Prius hybrid, has no pure electric vehicles in its line-up since production of its electric iQ subcompact and other earlier models were discontinued after selling in only small numbers.

“Toyota’s new technology will allow the company to test various materials and battery structures, and an improved electric vehicle is being planned for the commercial market within the next several years,” said Yoshinori Suga, a department manager.

The tests are being carried out in collaboration with Japanese research organization Riken, using its high-intensity X-ray facility.

Toyota will present its observation method at a battery symposium in Japan later this month, sharing it with other automakers, although not its findings.




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