Larcher, D.
Tarascon, J-M.
Article History
Received: 31 October 2013
Accepted: 11 September 2014
First Online: 17 November 2014
Change Date: 19 November 2014
Change Type: Correction
Change Details: In the html version of this Review originally published, the 'Accepted' date was incorrect, and should have read 11 September 2014. The PDF and print versions are correct.
Competing interests
: The authors declare no competing financial interests.