Filed under: Misc. Gadgets, Handhelds, LaptopsAlthough's Moore's Law continues to race along, battery tech hasn't nearly kept up pace -- so we're excited by developments like the one just announced by Argonne National Labs, which has managed to increase Li-on capacity by 30 percent while making the batteries safer and longer-lasting. The secret ingredients in Argonne's new juice box are a new composite battery material that's partially electrically inactive and manganese oxide-based electrodes in place of the traditional cobalt oxide. Argonne s
