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US 2026/0234309 A1Published application
Patterned alkaline exchange membranes
AssigneeEcolectro, Inc
InventorChristopher Simoneau
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to patterned anion exchange membranes comprising cross-linked segments and non-crosslinked segments. The present disclosure further relates to methods of manufacturing of the patterned anion exchange membranes, as well as electrochemical devices comprising the disclosed patterned anion exchange membranes.
Claims59
A polymer film, comprising a first plurality of volumes and a second plurality of volumes, wherein:
- each volume of the first plurality of volumes comprises a cross-linkable precursor ionomer, and each volume of the second plurality of volumes comprises a cross-linked product ionomer, the cross-linkable precursor ionomer and the cross-linked product ionomer each comprising:
- a plurality of first repeat units, wherein each first repeat unit is represented by the following structural formula:
- and
- a plurality of second repeat units, wherein each first repeat unit is represented by the following structural formula:
- and further wherein:
- the cross-linkable precursor ionomer comprises one or more cross-linkable moieties represented by any one of the following structural formulas:
- and
- the cross-linked product ionomer comprises one or more cross-linking moieties represented by any one of the following structural formulas:
- wherein, for each occurrence of the cross-linkable moiety, the symbol represents a point of attachment to L2, and, for each occurrence of the cross-linking moiety, the symbol represents a point of attachment to L2 and the symbol represents a point of attachment to a first repeat unit or a second repeat unit, and further wherein:
- is a moiety represented by one of the following structural formulas:
- is a moiety represented by any one of the following structural formulas:
- W is a C1-12 alkyl or a moiety represented by one of the following structural formulas:
- wherein the symbol represents a point of attachment to L3, and the symbol represents a double bond or a single bond;
- Z1, Z3, Z5, and Z7 each independently is a C1-3 alkylene or a bond;
- Z2 is selected from —CHR5—, a C5-12 cycloalkylene, and a 5 to 16-membered heterocyclylene;
- R1 is selected from H, a C1-12 alkyl, and C6-12 aryl, and
- Z4 is a bond or a C6-12 arylene, or
- Z4 is CH, and R1 and Z4 together with the C2 alkylene to which they are attached form a C5-12 cycloalkyl or a 5 to 12-membered heterocyclyl;
- and
- Z6 is selected from —CHR6—, a C5-12 cycloalkylene, and a 5 to 16-membered heterocyclylene;
- R3 is selected from H, a C1-12 alkyl, and C6-12 aryl, and
- Z8 is a bond or a C6-12 arylene, and CH, or
- Z8 is CH, and R3 and Z8 together with the C2 alkylene to which they are attached form a C5-12 cycloalkyl or a 5 to 12-membered heterocyclyl;
- and
- Z9 is NR10 or a bond;
- R5, R6, and Ry each independently is H or a C1-12 alkyl;
- R7, R8, and R9 each independently is selected from NR11R12, a C6-12 aryl, and 5 to 12-membered heterocyclyl;
- R10 is a C1-12 alkyl;
- R11 and R12 each independently is C1-12 alkyl or a C3-12 cycloalkyl, or R11 and R12 together with the nitrogen atom to which they are attached form a 5 to 12-membered heterocyclyl;
- R13 is selected from a C1-12 alkyl, C6-12 aryl, and 5 to 12-membered heterocyclyl;
- R14 is a C1-12 alkyl or a C3-12 cycloalkyl;
- R15 and R16 each independently is selected from C1-12 alkyl, C6-12 aryl, and 5 to 12-membered heterocyclyl;
- or R15 and R16 together with the carbon atoms to which they are attached form a C6-12 aryl or a 5 to 12-membered heterocyclyl;
- and
- R17, R18, and R19 each independently is a C1-12 alkyl or a C3-12 cycloalkyl;
- or
- R18 and R19 together with the nitrogen atom to which they are attached form a 5 to 12-membered heterocyclyl and (i) R17 is a C1-12 alkyl or a C3-12 cycloalkyl, or (ii) R17 and at least one atom of L3 together with the nitrogen atom to which L3 and R17 are attached form a 5- to 12-membered heterocyclyl;
- or
- R17, R18, and R19 together with the nitrogen atom to which they are attached form a bicyclic 5 to 12-membered heterocyclyl;
- Rx and Rz each independently is selected from H, F, Cl, Br, OH, NH2, NO2, CN, C1-12 alkyl, C6-12 aryl, 5 to 12-membered heterocyclyl, and 5 to 12-membered heteroaryl;
- Ar1 is a C6-12 aryl or a 5 to 12-membered heterocyclyl;
- Ar2 is a C6-12 arylene or a 5 to 16-membered heterocyclylene;
- L2 is selected from a C1-12 alkylene, C6-12 arylene, C6-12 arylene-C1-12 alkylene, C1-12 alkylene-C6-12 arylene, C1-12 alkylene-O—C1-12 alkylene, (O—C1-12 alkylene)m, (C1-12 alkylene-O)m, C(O)(O—C1-12 alkylene)m, OC(O)(C1-12 alkylene)m, C1-12 alkylene-NH—C1-12 alkylene, C1-12 alkylene-N(C1-12 alkyl)-C1-12 alkylene, C(O)(NH—C1-12 alkylene)m, (NH)C(O—C1-12 alkylene)m, (NH—C1-12 alkylene)m, and (C1-12 alkylene-NH)m;
- L3 is selected from a C1-12 alkylene, C6-12 arylene, C6-12 arylene-C1-12 alkylene, C1-12 alkylene-C6-12 arylene, C1-12 alkylene-O—C1-12 alkylene, (O—C1-12 alkylene)n, (C1-12 alkylene-O)n, C(O)(O—C1-12 alkylene)n, OC(O)(C1-12 alkylene)n, C1-12 alkylene-NH—C1-12 alkylene, C1-12 alkylene-N(C1-12 alkyl)-C1-12 alkylene, C(O)(NH—C1-12 alkylene)n, (NH)C(O—C1-12 alkylene)n, (NH—C1-12 alkylene)n, (C1-12 alkylene-NH)n, and a bond;
- m is an integer between 1 and 6;
- n is an integer between 1 and 6;
- Y2 is selected from —C(O)—, —O—, —S—, —NH—, —N(C1-12 alkyl)-, and a bond;
- X− is selected from F−, Cl−, Br−, OH−, NO−2, CN−, HCO3−, CO32-, PF6−, BF4−, and a C1-12 carboxylate;
- provided that W is C1-12 alkyl only when V is a cationic moiety,
- and wherein:
- each C1-12 alkyl, C3-12 cycloalkyl, C5-12 cycloalkyl, C6-12 aryl, 5 to 12-membered heteroaryl, 5 to 12-membered heterocyclyl, C1-12 alkylene, C6-12 arylene, C5-12 cycloalkylene, 5 to 16-membered heterocyclylene, and 5 to 12-membered heteroarylene is independently optionally substituted with 1 to 6 substituents independently selected from the group consisting of F, Cl, Br, OH, NH2, NO2, oxo, CN, a C1-12 alkyl, C6-12 aryl, C1-12haloalkyl, C1-12 alkoxy, C6-12 aryl, C6-12 aryloxy, 5 to 16-membered heterocyclyl, 5 to 12-membered heteroaryl, NH(C1-12 alkyl), N(C1-12 alkyl)2, OC(O)(C1-12 alkyl), C(O)O(C1-12 alkyl), S(O)2(C1-12 alkyl), S(O)2(C6-12 aryl), NHC(O)(C1-12 alkyl), and C(O)NH(C1-12 alkyl).
48 more elements
Dependencies are inferred from the claim text.