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writer, Content Director Tohoca, LLC

Professor Emeritus of Engineering & TechnologyFreelance WriterInstructional DesignerArmchair PhilosopherTohoca, LLC 

  • Member since 2017
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  • Apr 15, 2020
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A look at renewable energy projects, including solar, infrastructure, energy storage, battery technology, and online training.

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Matt Chester's picture
Matt Chester on Apr 15, 2020

On the research side, scientists from Samsung recently published a paper in Nature Energy demonstrating an all-solid-state lithium-ion battery with an energy density of 900 Wh/l—more than 33 percent higher than today’s Li-ion batteries, which could lead to electric vehicles with ranges of 500 miles (800 km)

An interesting point I've seen brought up is how much these increases in ranges are going to help sales of EVs. You can get ~300 miles per charge today, and obviously 500 miles is better for longer trips-- but what portion of the potential base of buyers is that getting to the sales lot? Obviously the advancements are needed, but it begs the question if the best spent money on rolling out EVs more widely will instead simply come from readily available charging infrastructure

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Tom Lombardo on Apr 16, 2020

If nothing else, it helps to squelch the "limited range" argument against EVs. But beyond passenger cars, batteries with higher energy density will help the electric semi market, where both range and weight are significant issues.

Matt Chester's picture
Matt Chester on Apr 16, 2020

Absolutely true, Tom-- the technology is certainly needed for the trucking industry, though for many reasons that's quite a different beast than the personal vehicle market

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