Back in time – A Bit About Batteries, with Martin Eberhard

November 30, 2006 By now most people know that the Tesla Roadster is powered by Lithium-ion (Li-ion) batteries. But here are a few things about our batteries you might not have heard. Our battery system – or Energy Storage System, as we like to call it – is comprised of 6,831 individual Li-ion cells. It’s roughly…

Inside Panasonic NCR18650 Lithium-Ion battery cell

Cristian Miuta, Jan 30, 2018. The metal case holds a long spiral comprising three thin sheets pressed together: a positive electrode, a negative electrode, and separator. Inside the metal case, these sheets are submerged in an organic solvent that acts as the electrolyte – Ethylene Carbonate, Diethyl Carbonate and Lithium Hexafluorophosphate (salt).   The separator…

Japanese Quality Management

The Japanese have had phenomenal impact on world markets. Many industries, such as electronics, cameras, watches, motorcycles, machine tools, automotive products, shipbuilding, and even some aspects of aerospace are either dominated by Japanese firms or are heavily impacted by them. Many people mistakenly attribute this phenomenon strictly to cultural differences. The vision of dedicated Japanese…