Sep. 10,2020  60  US 2020/0285149 Al  described in JP-A 2010-215608, JP-A 2012-041320, JP-A  2012-106986, and JP-A 2012-153644.  [0122]  Examples of the anion having formula (IA) are  shown below, but not limited thereto.  0  0  ~  ,.....,s03- 0  C  F2  0  ~  ,.....,s03- 0  C  F2  0  ~  ,.....,s03- 0  C  F2  -continued  0  0  r(’l  ~  F2  0 