The 2019 Nobel Prize in Chemistry has been awarded to John Goodenough, Stanley Whittingham and Akira Yoshino. The trio of scientists won for their work on developing rechargeable lithium-ion batteries, which are used in everything from smartphones to pacemakers. At 97-years-old, Professor Goodenough from the US is the oldest-ever Nobel laureate. The announcement was made at the Royal Swedish Academy of Sciences on Wednesday morning, with the winners awarded a share of the nine milli...