I like how he used the kilowatt-hour as an energy unit to avoid any comparison to gasoline. Reading the center of the Li-ion zone of the graph as 120 kWh/t and 300 kWh/m³, I get 0.43 MJ/kg and 1.1 MJ/L vs. gasoline at about 42.5 MJ/kg, 31.6 MJ/L (CA reformulated gasoline per DoE). (My analysis ignores the mass of the fuel tank, but a modern plastic automotive (empty) fuel tank is considerable lighter than the fuel it will hold. The gasoline figures might reduce 10-20% when the tank is considered.)
"Tankage" of electrical energy vs chemical energy remains a problem. ________________________________ From: Pat Naughtin <[email protected]> To: U.S. Metric Association <[email protected]> Cc: USMA Metric Association <[email protected]> Sent: Mon, December 20, 2010 12:53:48 AM Subject: [USMA:49239] Lithium ion batteries Dear Stan, This might interest you. Search for the word, metric. http://climateerinvest.blogspot.com/2010/12/is-lithium-ion-dead-end-electric-drive.html Cheers, Pat Naughtin LCAMS Author of the ebook, Metrication Leaders Guide, see http://metricationmatters.com/MetricationLeadersGuideInfo.html Hear Pat speak at: http://www.youtube.com/watch?v=_lshRAPvPZY PO Box 305 Belmont 3216, Geelong, Australia Phone: 61 3 5241 2008 Metric system consultant, writer, and speaker, Pat Naughtin, has helped thousands of people and hundreds of companies upgrade to the modern metric system smoothly, quickly, and so economically that they now save thousands each year when buying, processing, or selling for their businesses. Pat provides services and resources for many different trades, crafts, and professions for commercial, industrial and government metrication leaders in Asia, Europe, and in the USA. Pat's clients include the Australian Government, Google, NASA, NIST, and the metric associations of Canada, the UK, and the USA. See http://www.metricationmatters.com/ to subscribe.
