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Scramble for mass market

Reuters
Monday, October 30, 2017

TOKYO - Toyota Motor Corp is scrambling to solve outstanding issues as it races to commercialise a battery breakthrough during the first half of the 2020s with the potential to cut the cost of making electric cars.

All solid-state battery technology is a next-generation, high-capacity energy storage device that improves on today's lithium-ion batteries, replacing the liquid or gel-form electrolyte with a solid, conductive material.

Among other benefits, the new technology offers more capacity and better safety.

"There are a few next-generation battery technologies we're looking at, and the most promising is an all solid-state battery," Toyota Chairman Takeshi Uchiyamada said in an interview ahead of the Tokyo Motor Show, which opened to the public on Friday.

"We're scrambling to finish developing this technology, but a few issues still remain as we try to mass produce this."

Battery life is the biggest of those issues, Mr Uchiyamada said, adding Toyota has developed the know-how to produce all solid-state batteries in such a way as to hit all the technology's performance potential.

But it hasn't yet mastered how to mass produce them to last as intended for a mainstream car that some buyers could expect to drive for 200,000 kms (124,274 miles) or more.








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