Electrolytic solution and electrochemical device
One aspect of the present invention provides an electrolytic solution comprising a compound represented by the following formula (1), wherein a content of the compound is 10% by mass or less based on the total amount of the electrolytic solution, wherein R 1 to R 3 each independently represent an alkyl group or a fluorine atom, R 4 represents an alkylene group, and R 5 represents an organic group containing a nitrogen atom.
1. An electrolytic solution comprising a compound represented by the following formula (1), wherein a content of the compound is 0.0001% by mass or more and 10% by mass or less based on a total amount of the electrolytic solution,
wherein R 1 to R 3 each independently represent an alkyl group or a fluorine atom, at least one of R 1 to R 3 is a fluorine atom, R 4 represents an alkylene group, and R 5 represents a group represented by the following formula (2):
wherein R 6 and R 7 each independently represent a hydrogen atom or an alkyl group, and * represents a bond.
2. An electrochemical device comprising:
a positive electrode;
a negative electrode; and
the electrolytic solution according to claim 1 .
3. The electrochemical device according to claim 2 , wherein the negative electrode comprises a carbon material.
4. The electrochemical device according to claim 3 , wherein the carbon material comprises graphite.
5. The electrochemical device according to claim 3 , wherein the negative electrode further comprises a material comprising at least one element of the group consisting of silicon and tin.
6. The electrochemical device according to claim 2 , wherein the electrochemical device is a non-aqueous electrolytic solution secondary battery or a capacitor.