%0 Journal Article
%K fluorinated polymers
%K nonflammable electrolytes
%A Dominica H. C Wong
%A Jacob L Thelen
%A Yanbao Fu
%A Didier H Devaux
%A Ashish A Pandya
%A Vincent S Battaglia
%A Nitash P Balsara
%A Joseph M DeSimone
%B Proceedings of the National Academy of Sciences
%D 2014
%N 9
%P 3327 - 3331
%R 10.1073/pnas.1314615111
%T Nonflammable perfluoropolyether-based electrolytes for lithium batteries
%V 111
%8 03/2014
%! Proceedings of the National Academy of Sciences
%X <p>The flammability of conventional alkyl carbonate electrolytes hinders the integration of large-scale lithium-ion batteries in transportation and grid storage applications. In this study, we have prepared a unique nonflammable electrolyte composed of low molecular weight perfluoropolyethers and bis(trifluoromethane)sulfonimide lithium salt. These electrolytes exhibit thermal stability beyond 200 °C and a remarkably high transference number of at least 0.91 (more than double that of conventional electrolytes). Li/LiNi<sub>1/3</sub>Co<sub>1/3</sub>Mn<sub>1/3</sub>O<sub>2</sub> cells made with this electrolyte show good performance in galvanostatic cycling, confirming their potential as rechargeable lithium batteries with enhanced safety and longevity.</p>