Ion exchange membrane filling composition, method of preparing ion exchange membrane, ion exchange membrane, and redox flow battery
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-008/02
B01J-041/00
H01M-008/1044
H01M-008/1058
H01M-008/18
B01J-047/12
H01M-008/20
H01M-008/0289
H01M-008/1004
H01M-008/1053
H01M-004/88
H01M-004/86
C08J-005/22
H01M-004/36
B01J-041/08
H01M-002/16
출원번호
US-0710994
(2015-05-13)
등록번호
US-9728792
(2017-08-08)
우선권정보
KR-10-2011-0114123 (2011-11-03)
발명자
/ 주소
Lee, Myung-jin
Park, Joung-won
Mun, Jun-young
Oh, Duk-jin
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
12
초록
A composition for filling an ion exchange membrane, a method of preparing the ion exchange membrane, the filled ion exchange membrane, and a redox flow battery using the filled ion exchange membrane. The composition includes an ion conductive material and a water soluble support.
대표청구항▼
1. A redox flow battery comprising: a catholyte;an anolyte; andan ion exchange membrane disposed between the catholyte and the anolyte,wherein at least one of the catholyte and the anolyte is an organic electrolyte,wherein the ion exchange membrane comprises a porous substrate film having ion exchan
1. A redox flow battery comprising: a catholyte;an anolyte; andan ion exchange membrane disposed between the catholyte and the anolyte,wherein at least one of the catholyte and the anolyte is an organic electrolyte,wherein the ion exchange membrane comprises a porous substrate film having ion exchanging properties, said porous substrate film being filled with the polymerization product of a composition comprising:an ion conductive material; wherein the ion conductive material is at least one compound selected from the group consisting of an ion conductive monomer and an ion conductive polymer; wherein the ion conductive monomer or ion conductive polymer comprises a quaternary ammonium salt selected from the group consisting of compounds represented by Formulas 1, 2 and 4 below: wherein in Formula 1, a ratio of x to y (x/y) is in a range of about 0.1 to about 0.5; wherein in Formula 4, n is an integer of 100 to 10,000;a thermal polymerization initiator or a photopolymerization initiator; anda hydrophilic support;wherein the ion exchange membrane has a thickness of about 20 μm to about 100 μm. 2. The redox flow battery of claim 1, wherein the ion conductive polymer comprises at least one of poly (diallyldimethylammonium chloride), poly(acrylamide-co-diallyldimethylammonium chloride), and poly(dimethylamine-co-epichlorohydrin-co-ethylenediamine). 3. The redox flow battery of claim 1, wherein the hydrophilic support comprises at least one of a water soluble monomer and a water soluble polymer. 4. The redox flow battery of claim 3, wherein the water soluble monomer comprises at least one of vinyl alcohol, vinyl acetate, acrylonitrile, and methyl methacrylate. 5. The redox flow battery of claim 3, wherein the water soluble polymer comprises at least one of polyacrylamide, polyacrylic acid, poly(acrylamide-co-acrylic acid), polyvinylalcohol, and poly(sodium 4-styrenesulfonate). 6. The redox flow battery of claim 1, wherein a weight ratio of the ion conductive material to the hydrophilic support is in a range of 70:30 to 30:70. 7. The redox flow battery of claim 1, wherein the composition further comprises at least one solvent. 8. The redox flow battery of claim 7, wherein the solvent comprises at least one of water, methanol, ethanol, dimethylacetamide, N-methyl-2-pyrrolidone, dimethylformamide, dimethyl sulfoxide, and tetrahydrofuran. 9. The redox flow battery of claim 8, wherein an amount of the solvent is in a range of about 0 to about 100 parts by weight based on a total of 100 parts by weight of the ion conductive material and the hydrophilic support. 10. The redox flow battery of claim 1, wherein the ion exchange membrane has an ion conductivity of 1.0×10−4 S/cm or more. 11. The redox flow battery of claim 1, wherein the ion exchange membrane is an anion exchange membrane.
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