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…

Panasonic Battery History

An outline of the major products that shaped our history, including a number of notable events from SANYO, a company Panasonic acquired in 2010. Development and release of battery-powered shell lamps In March 1923, Konosuke Matsushita, founder of the business that would later become Panasonic, successfully developed a cannonball-shaped battery-powered shell lamp for bicycles. It…

RQ-11B Raven UAV – the most popular fixed-wing military drone

  Primary Function Reconnaissance and surveillance with low altitude operation Contractor Aerovironment, Inc. Services USN, USMC, USAF, US Army Power Plant Electric Motor, rechargeable lithium ion batteries Wingspan 4.5 feet (1.37 meters) Weight 4.2 lbs (1.9 kilograms) Weight (ground control unit) 17 lbs (7.7 kilograms) Speed 30-60 mph (26-52 knots) Range 8-12 km (4.9-7.45 miles)…