Nonaqueous Electrolytic Solution and Nonaqueous Electrolytic Solution Battery
AssigneesMitsubishi Chemical Corporation, Mu Ionic Solutions Corporation
InventorsEiji Nakazawa, Kaho Tamai
Life of this patent
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Abstract
Provided are: a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, which nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (1) along with an alkali metal salt and a nonaqueous solvent.
Claims11
A nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery comprising a positive electrode and a negative electrode that are capable of occluding and releasing metal ions,
- wherein the nonaqueous electrolytic solution comprises a compound represented by the following Formula (1) along with an alkali metal salt and a nonaqueous solvent:
- wherein, R1 represents a hydrogen atom, a halogen atom, or a monovalent hydrocarbon group optionally having a substituent;
- R2 represents a hydrogen atom, a monovalent hydrocarbon group optionally having a substituent, or an alkoxy group optionally having a substituent;
- X1 represents a divalent hydrocarbon group optionally having a substituent;
- n1 represents 2 or 3;
- p1 represents an integer of 0 to 2, q1 represents an integer of 1 to 3, and p1+q1=2 or 3;
- two of R1(s) and X1(s) are optionally bound to each other to form a ring;
- and A1 represents a divalent or trivalent atomic group represented by the following Formula (2-1), or a trivalent atomic group represented by the following Formula (3-1):
- wherein, Z1 represents a carbon atom, a sulfur atom, a phosphorus atom, or a boron atom;
- Y101 represents an oxygen atom or a sulfur atom;
- Y1, Y2, and Y3 each independently represent a single bond, an oxygen atom, a sulfur atom, or an NR101 group;
- R101 represents a hydrogen atom or a monovalent hydrocarbon group;
- when R101 is a monovalent hydrocarbon group, this R101 is optionally bound to one of R1 and X1 in Formula (1) to form a ring;
- r1 is 1 when Z1 is a carbon atom;
- 0, 1, or 2 when Z1 is a sulfur atom;
- 0 or 1 when Z1 is a phosphorus atom;
- or 0 when Z1 is a boron atom;
- r2 is 0 when Z1 is a carbon atom or a sulfur atom, or 1 when Z1 is a phosphorus atom or a boron atom;
- and
- * represents a binding site with R1 or X1 in Formula (1),
- with a proviso that, when Z1 is a sulfur atom and r1 is 2, Y1 and Y2 are not single bonds simultaneously:
- wherein, Y4, Y5, and Y6 each independently represent an oxygen atom, a sulfur atom, or NR201;
- R201 represents a hydrogen atom or a monovalent hydrocarbon group;
- and * represents a binding site with R1 or X1 in Formula (1)
A nonaqueous electrolytic solution battery, comprising:
- a positive electrode and a negative electrode that are capable of occluding and releasing metal ions;
- and
- a nonaqueous electrolytic solution,
- wherein
- a negative electrode active material contained in the negative electrode comprises a material comprising a Li-alloyable metal element and/or metalloid element, and
- the nonaqueous electrolytic solution comprises an alkali metal salt, a nonaqueous solvent, and a compound represented by the following Formula (4):
- wherein, R3 represents a hydrogen atom, a halogen atom, or a monovalent hydrocarbon group optionally having a substituent;
- R4 represents a hydrogen atom, a monovalent hydrocarbon group optionally having a substituent, or an alkoxy group optionally having a substituent;
- X2 represents a divalent hydrocarbon group optionally having a substituent;
- n2 represents an integer of 1 to 3;
- p2 represents an integer of 0 to 2, q2 represents an integer of 1 to 3, and p2+q2=2 or 3;
- two of R3(s) and X2(s) are optionally bound to each other to form a ring;
- and A2 represents a divalent or trivalent atomic group represented by the following Formula (5-1), or a trivalent atomic group represented by the following Formula (6-1):
- wherein, Z3 represents a carbon atom, a sulfur atom, a phosphorus atom, or a boron atom;
- Y102 represents an oxygen atom or a sulfur atom;
- Y10, Y11, and Y12 each independently represent a single bond, an oxygen atom, a sulfur atom, or NR102;
- R102 represents a hydrogen atom or a monovalent hydrocarbon group;
- r6 is 1 when Z3 is a carbon atom;
- 0, 1, or 2 when Z3 is a sulfur atom;
- 0 or 1 when Z3 is a phosphorus atom;
- or 0 when Z3 is a boron atom;
- r6 is 0 when Z3 is a carbon atom or a sulfur atom, or 1 when Z3 is a phosphorus atom or a boron atom;
- and
- * represents a binding site with R3 or X2 in Formula (4),
- with a proviso that, when Z3 is a sulfur atom and r6 is 2, Y10 and Y11 are not single bonds simultaneously:
- wherein, Y13, Y14, and Y15 each independently represent an oxygen atom, a sulfur atom, or NR202;
- R202 represents a hydrogen atom or a monovalent hydrocarbon group;
- and * represents a binding site with R3 or X2 in Formula (4).
Dependencies are inferred from the claim text.