Lithium ion batteries bring benefits, but safety have safety issues

A lithium-ion power-pack can deliver more energy than a similar-size battery based on another metal, but the very chemistry that makes these high-tech batteries so attractive to designers may increase their risk of overheating and catching fire, a situation that has contributed to the global grounding of about 50 Boeing Dreamliners in use and a halt to new deliveries after two onboard fires, according to The Wall Street Journal. For the full story, click here.