Asymmetric electrolyte salts and batteries incorporating such salts
AssigneeOhio State Innovation Foundation
InventorsYiying Wu, William McCulloch
Life of this patent
Estimating the term…
Abstract
The present technology is directed to fluorinated alkylsulfonamide electrolyte salts with high solubility, conductivity, and electrochemical stability as well as batteries incorporating fluorinated alkylsulfonamide salts. In any aspect and/or embodiment herein of the present technology, the battery may include a separator disposed between the cathode and the anode. The separator may be a porous paper, porous ceramic, or porous polymer separator.
Claims20
An electrolyte salt according to Formula I
- wherein
- R1 is OCH3H;
- M1 is Li+, Na+, K+, Rb+, or Cs+, and
- n is 0, 1, or 2;
- provided that when n is 0, M1 is not Li+.
An electrolyte salt according to Formula II
- wherein
- R2 is CH3 or CH(CH3)2;
- M2 is Li+, Na+, K+, Rb+, or Cs+, and
- p is 0, 1, or 2;
- provided that when R2 is CH3, p is not 0.
An electrolyte salt according to Formula III
- wherein
- R3 is F, CF3, or CF2CF3;
- M3 is Li+, Na+, K+, Rb+, or Cs+, and
- r is 0, 1, or 2.
A battery comprising a cathode;
- an anode;
- and a non-aqueous electrolyte, wherein the non-aqueous electrolyte comprises a solvent and at least one electrolyte salt according to Formula III, Formula IV, or Formula V
- wherein in Formula III
- R3 is F, CF3, or CF2CF3;
- M3 is Li+, Na+, K+, Rb+, or Cs+, and
- r is 0, 1, or 2;
- wherein in Formula IV
- R4 is OCH3;
- M4 is Li+, Na+, K+, Rb+, or Cs+, and
- s is 0, 1, or 2;
- wherein in Formula V
- R5 is CH3 or CH(CH3)2;
- M5 is Li+, Na+, K+, Rb+, or Cs+;
- and
- t is 0, 1, or 2.
An electrolyte salt according to Formula I
- wherein
- R1 is H;
- M1 is Li+, Na+, K+, Rb+, or Cs+, and
- n is 1 or 2.
Dependencies are inferred from the claim text.