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GS Yuasa recently dissolved its long-standing, money-losing joint venture with Sanyo, but that move has not impacted the company's ability to develop breakthrough battery technology. GS Yuasa has developed and prototyped a new vanadium phosphate cathode material for lithium-ion batteries and the initial round of testing shows that the cathode material could improve output density, increase battery safety and potentially lead to the production of lower cost lithium-ion batteries.

Battery breakthroughs seem to pop up almost every day. There's always a new idea, different material or unique design that makes the battery better. Some manufacturers make outlandish claims that can't be true while other companies string us out for years awaiting amazing products. This time around, Hitachi makes a bold claim for its breakthrough-tech, but it's believable and has already been put through preliminary tests.