Electrolyte solution, electrochemical device, lithium ion secondary battery, module and compound

Patent metadata

Field	Value
Publication number	US-12107225-B2
Application number	US-201917041717-A
Country	US
Kind code	B2
Filing date	Mar 11, 2019
Priority date	Mar 27, 2018
Publication date	Oct 1, 2024
Grant date	Oct 1, 2024

Abstract

An electrolyte solution containing a compound represented by the following formula (1). In the formula, R 101 and R 102 are each individually a substituent such as a C1-C7 alkyl group, the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group, and at least one selected from the group consisting of R 101 and R 102 when both being an alkyl group, contains at least one divalent to hexavalent hetero atom in the structure or has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C0-C7 functional group:

First claim

The invention claimed is:

1. An electrolyte solution comprising a compound represented by the following formula (1):

wherein R 101 and R 102 are each individually a substituent represented by
—F,
a group represented by the formula:—O p101 —(SiR 103 2 O) n101 —SiR 104 3 , wherein R 103 and R 104 are each individually an alkyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, an alkenyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, an alkynyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, or an aryl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom; n101 is an integer of 0 or greater; and p101 is 0 or 1,
a C1-C7 alkyl group,
a C2-C7 alkenyl group,
a C2-C7 alkynyl group,
a C6-C15 aryl group,
—SO 2 X 101 , wherein X 101 is —H, —F, or an alkyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, with the proviso that, if one of R 101 or R 102 is —SO 2 X 101 , then the other of R 101 or R 102 is also —SO 2 X 101 ,
—SO 3 X 102 , wherein X 102 is —H, —F, or an alkyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, or
a C2-C7 hydrocarbon group that forms a cyclic structure by bonding of R 101 and R 102 , the cyclic structure optionally containing a multiple bond,
the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C1-C7 functional group, and
at least one selected from the group consisting of R 101 and R 102 , when both being an alkyl group, contains at least one divalent to hexavalent hetero atom in the structure or has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C1-C7 functional group.

2. An electrochemical device comprising the electrolyte solution according to claim 1 .

3. A lithium ion secondary battery comprising the electrolyte solution according to claim 1 .

4. A module comprising the electrochemical device according to claim 2 .

5. A compound represented by the following formula (1-1):

wherein R 201 and R 202 are each individually a substituent represented by
—F,
a group represented by the formula: —O p101 —(SiR 103 2 O) n101 —SiR 104 3 , wherein R 103 and R 104 are each individually an alkyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, an alkenyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, an alkynyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, or an aryl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom; n101 is an integer of 0 or greater; and p101 is 0 or 1,
a C1-C7 alkyl group,
a C2-C7 alkenyl group,
a C2-C7 alkynyl group,
a C6-C15 aryl group,
—SO 2 X 101 , wherein X 101 is —H, —F, or an alkyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom, or
—SO 3 X 102 , wherein X 102 is —H, —F, or an alkyl group obtained by optionally replacing at least one hydrogen atom by a fluorine atom,
the substituent optionally contains at least one divalent to hexavalent hetero atom in a structure or optionally has a structure obtained by replacing at least one hydrogen atom by a fluorine atom or a C1-C7 functional group, and
at least one selected from the group consisting of R 201 and R 202 is —F.

6. A module comprising the lithium ion secondary battery according to claim 3 .

Assignees

• Daikin Ind Ltd

Inventors

• Kinoshita Masakazu
• Hidaka Tomoya
• Kuwajima Yoshiko
• Suzuki Yuuki
• Yamauchi Akiyoshi
• Hayashi Kotaro
• Yamazaki Shigeaki
• Takahashi Kenzou
• Yamada Takaya

Classifications

• H01M2300/0034

  Fluorinated solvents · CPC title

• H01M10/0569

  characterised by the solvents · CPC title

• H01M10/0567 Primary

  characterised by the additives · CPC title

• H01M10/0525 Primary

  Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

• C07C307/02

  Monoamides of sulfuric acids or esters thereof, e.g. sulfamic acids · CPC title