IP Library Granted Patent US 8,530,109
Granted Patent B2
US 8,530,109 · App. 13/186,214 · Granted Sep 10, 2013

Anion exchange polymer electrolytes

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Quick Facts
Patent No.
US 8,530,109
App. No.
13/186,214
Granted
Sep 10, 2013
Kind
B2
Abstract

Solid anion exchange polymer electrolytes include chemical compounds comprising a polymer backbone with side chains that include guanidinium cations.

Claims (36)

1. A solid anion exchange polymer electrolyte comprising the structure

wherein

i) p=1-100;

ii) R 14 =CF 2 and R 15 =CF; or R 14 =CF 2 and R 15 =CH; or R 14 =CH 2 and R 15 =CF; or R 14 =CHF and R 15 =CF; or R 14 =CHF and R 15 =CH;

iii) R 16 is CH 2 or CF 2 or CHF;

iv) R 17 is CH or CF;

v) A is a spacer selected from —O—, —S—, —SO 2 —, —NH—, —N(CH 3 )—, —(CH 2 ) n — wherein n=1-10,

wherein R 5 , R 6 , R 7 and R 8 each are independently selected from —H, —NH 2 , —F, —Cl, —Br, —CN, a C 1 -C 6 alkyl group, or any combination thereof;

vi) G is

wherein R 9 , R 10 , R 11 , R 12 , and R 13 are each independently are selected from —H, —CH 3 , —NH 2 , —N(═O), —NO 2 , —CN, —(CH) n CH 3 wherein n=1-6, HC(═O)—, CH 3 C(═O)—, NH 2 , —N(═O)—, —(CH 2 ) n COOH wherein n=1-6, —(CH 2 ) n C(NH 2 )COOH wherein n=1-6, ═CH(COOH)CH 2 COOH, —CH 2 CH(O—CH 2 CH 3 ) 2 , —C(═S)NH 2 , —C(═NH)N((CH 2 ) n1 CH 3 )((CH 2 ) n2 CH 3 ) wherein n1 and n2=0-6, —NHC(═S)SH, —CH 2 C(═O)OC(CH 3 ) 3 , —O(CH 2 ) n CH(NH 2 )COOH wherein n=1-6, —(CH 2 ) n CH═CH 2 wherein n=1-6, —(CH 2 ) n CH 2 CN where n=1-6, an aromatic group selected from phenyl, benzyl, phenoxy, methylbenzyl, nitrogen-substituted benzyl, nitrogen-substituted phenyl, halide, or a halide-substituted methyl group, and wherein R 10 , R 11 , R 12 and R 13 each independently or together may form a heterocyclic group selected from imide, imidazole, pyrazole, or benzimizaole group wherein AN is counter anion selected from OH—, CO 3 2− , HCO 3 − , F − , Cl − , Br − , I − , IO 3 − , SO 4 2− , HSO 3 − , H 2 PO 4 − , NO 3 − , and CH 3 OSO 3 − .

2. The solid anion exchange polymer electrolyte of claim 1 , wherein A is a spacer selected from —SO 2 —Ar—, —C(═O)Ar—, —C(═O)NHAr—, —C(═O)N(CH 3 )Ar—, —SO 2 —NH—, and —SO 2 —NH—SO 2 — where Ar is an aryl moiety.

3. The solid anion exchange polymer electrolyte of claim 1 , wherein R 14 and R 16 are CF 2 and R 15 and R 17 is CF.

4. The solid anion exchange polymer electrolyte of claim 1 , wherein R 5 , R 6 , R 7 and R 8 are H.

5. The solid anion exchange polymer electrolyte of claim 1 , wherein R 9 , R 10 , R 11 , R 12 , or R 13 are CH 3 .

6. A solid anion exchange polymer electrolyte comprising the structure:

wherein

i) n and m are from 1-50 and p=0-10;

ii) A is a spacer selected from —O—, —S—, —SO 2 —, —N(CH 3 )—,

—(CH 2 ) n — wherein n=1-10,

wherein R 5 , R 6 , R 7 and R 8 each are independently selected from —H, —NH 2 , —F, —Cl, —Br, —CN, a C 1 -C 6 alkyl group, or any combination thereof,

iii) G is

wherein R 9 , R 10 , R 11 , R 12 , and R 13 are each independently selected from —H, —CH 3 , —N 2 , —N(═O), NO 2 , —CN, —(CH) n CH 3 wherein n=1-6, HC(═O)—, CH 3 C(═O)—, NH 2 C(═O)—, —(CH 2 ) n COOH wherein n=1-6, —(CH 2 ) n C(NH 2 )COOH where n=1-6, —CH(COOH)CH 2 COOH, —CH 2 CH(OCH 2 CH 3 ) 2 , —C(═S)—NH 2 , C(═NH)N((CH 2 ) n1 CH 3 ((CH 2 ) n2 CH 3 ) wherein n=0-6 and n 2 =0-6, —NHC(═S)SH, —CH 2 C(═O)OC(CH 3 ) 3 , —O(CH 2 ) n CH(NH 2 )COOH, wherein n=1-6, —(CH 2 ) n CH═CH wherein n=1-6, —(CH 2 ) n CH 2 CN wherein n=1-6, an aromatic group selected from phenyl, benzyl, phenoxy, methylbenzyl, nitrogen-substituted benzyl, nitrogen substituted phenyl, a halide, or a halide-substituted methyl group, and wherein R 10 , R 11 , R 12 and R 13 each independently or together may form a heterocyclic group selected from imide, imidazole, pyrazole, or benzimizaole groups; wherein AN is counter anion selected from OH—, CO 3 2− , HCO 3 − , F − , Cl − , Br − , I − , IO 3 − , SO 4 2− , HSO 3 − , H 2 PO 4 − , NO 3 − , and CH 3 OSO 3 − .

7. The solid anion exchange polymer electrolyte of claim 6 , wherein A is a spacer selected from —SO 2 —Ar—, —C(═O)Ar—, —SO 2 —NH—, and —SO 2 —NH—SO 2 .

8. The solid anion exchange polymer electrolyte of claim 6 , wherein R 5 , R 6 , R 7 and R 8 are H.

9. The solid anion exchange polymer electrolyte of claim 6 , wherein R 9 , R 10 , R 11 , R 12 , and R 13 are CH 3 .

10. A composition suitable for a membrane electrode assembly, said composition comprising a polymer, cationic residues comprised of guanidinium cations, and spacers A for attaching the guanidiniums to the polymer, the composition having the formula:

wherein:

i) A is a spacer selected from —O—, —S—, —SO 2 —, —NH—, —N(CH 3 )—, —(CH 2 ) n — wherein n=1-10,

or any combination thereof, wherein R 5 , R 6 , R 7 and R 8 each are independently selected from —H, —NH 2 , —F, —Cl, —Br, —CN, or a C 1 -C 6 alkyl group;

ii) R 9 , R 10 , R 11 , R 12 , and R 13 are each independently selected from —H, —CH 3 , —NH 2 , —N(═O), —NO 2 , —CN, —(CH)CH 3 wherein n=1-6, HC(═O)—, CH 3 C(═O)—, NH 2 C(═O)—, —(CH 2 ) n COOH wherein n=1-6, —(CH 2 ) n C(NH 2 )COOH wherein n=1-6, —CH(COOH)CH 2 COOH, —CH 2 CH(OCH 2 CH 3 ) 2 , —C(═S)NH 2 , C(═NH)N((CH 2 ) n1 CH 3 )((CH 2 ) n2 CH 3 ) wherein n 1 and n 2 =0-6, —NHC(═S)SH, —CH 2 C(═O)OC(CH 3 ) 3 , —O(CH 2 ) n CH(NH 2 )COOH wherein n=1-6, —(CH 2 ) n CH═CH 2 wherein n=1-6, —(CH 2 ) n CH 2 CN wherein n=1-6, an aromatic group such as phenyl, benzyl, phenoxy, methylbenzyl, nitrogen-substituted benzyl, nitrogen-substituted phenyl, a halide, or a halide-substituted methyl group; and where in AN is counter anion selected from OH—, CO 3 2− , HCO 3 − , F − , Cl − , Br − , I − , IO 3 − , SO 4 2− , HSO 3 − , H 2 PO 4 − , NO 3 − , and CH 3 OSO 3 − .

11. The solid anion exchange polymer electrolyte of claim 10 , wherein A is a spacer selected from —SO 2 —Ar—, —C(═O)Ar—, —C(═O)N(CH 3 )Ar—, —C(═O)N(CH 3 )Ar—, —SO 2 —NH—, and —SO 2 —NH—SO 2 where Ar is an aryl moiety.

12. The composition of claim 10 , wherein R 9 , R 10 , R 11 , R 12 , or R 13 are CH 3 .

13. The composition of claim 10 , wherein the solvent is selected from an aprotic solvent, an alcohol, or mixtures thereof.

14. The composition of claim 13 , wherein the aprotic solvent is selected from dimethylformamide, dimethylacetamide, N-methylpyrrolidone, dimethylsulfoxide, and combinations thereof.

15. The composition of claim 13 , wherein the alcohol is selected from ethanol, n-propanol, iso-propanol, n-butanol, sec-butanol, iso-butanol, tert-butanol, ethylene glycol, propylene glycol, 1,2-butanediol, 1,3-butanediol, 2,3-butanediol, 1,4-butanediol, 1,5 pentanediol, propane-1,2,3-triol, 1,2,4 butanetriol, and combinations thereof.

16. The composition of claim 10 , wherein the composition further comprises a catalyst.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 7, 2018
From: LOS ALAMOS NATIONAL SECURITY, LLC
To: TRIAD NATIONAL SECURITY, LLC
Reel/Frame 048007/0874 →
CONFIRMATORY LICENSE Recorded Dec 28, 2011
From: LOS ALAMOS NATIONAL SECURITY
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 027455/0686 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 19, 2011
From: KIM, YU SEUNG; KIM, DAE SIK
To: LOS ALAMOS NATIONAL SECURITY, LLC
Reel/Frame 026616/0015 →