Lithium, a highly reactive metal, will fire off its electrons in a fizzy display if placed in water. As one source explains, “The lithium-water reaction at normal temperatures is brisk but not violent.” It comes as a surprise then that one lithium battery manufacturer, PolyPlus Battery Company, insists on putting its lithium battery electrodes in H2O. The firm makes both lithium/air and lithium/water batteries, holds over 72 patents on its intellectual property and has recently earned, along with its partner Corning, an ARPA-E (Advanced Research Project Agency – ENERGY) grant of nearly $5 million. It also made Time magazine’s list of the “50 Best Inventions of 2011.” It will be presented as a finalist in the Edison Awards dinner in New York City on April 26 for the Best New Product prize. Even more surprising are their performance claims, which Bruce Katz, Manager of Intellectual Property for the company, made at last April’s Electric Aircraft Symposium in Santa Rosa, California. …