Japanese chemist Akira Yoshino, who won this year's Nobel Prize in chemistry with two other researchers, said Wednesday there are still many unanswered questions in his research on lithium-ion batteries and he is thrilled to continue his work.Yoshino, 71, honorary fellow at Japanese chemical company Asahi Kasei Corp. and a professor at Meijo University in Nagoya, studied petrochemistry at Kyoto University and finished his graduate program there in 1972.He then joined Asahi Kasei where he became involved in the development of rechargeable batteries, which at the time were bulky and expensive…READ FULL ARTICLE