tag:blogger.com,1999:blog-705380580990022257.post4451029638696133677..comments2023-10-02T09:30:22.180+02:00Comments on Materials Science and Engineering Defined: Will Vanadium take the pressure off Lithium (prices)?Anonymoushttp://www.blogger.com/profile/09465549527688041257noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-705380580990022257.post-63408436090924216802010-07-19T17:25:10.728+02:002010-07-19T17:25:10.728+02:00VRB will have both volumetric and voltage problems...VRB will have both volumetric and voltage problems with respect to automotive applications. The electrolyte will hold approximately 25Wh of energy per litre. A litre will weigh about 1.4Kg. The VRB chemistry produces about 1.4V per cell and the cells are very bulky.<br /><br />Toyota Prius uses a 1.3kWh battery pack as standard. However, to extend the battery range, there have been conversions to install 9 kWh battery systems in the Prius. Excluding the weight of the VRB cells, 9 kWh of Vanadium Electrolyte will require 2 x 360 litres (two equal tanks of electrolyte are required for each half cell). This will weigh over 1,000 KG in fluid alone.<br /><br />VRB is a none starter for automotive applications where space and weight are a premium.Anonymousnoreply@blogger.com