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epa07907063 A screen displays the portraits of the laureates of the 2019 Nobel Prize in Chemistry (L-R) John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino 'for the development of lithium-ion batteries' during a news conference at the Royal Swedish Academy of Sciences in Stockholm, Sweden, 09 October 2019. EPA/Naina Helen Jama/TT SWEDEN OUT