KR102053622B1 - 알칼라인 연료전지용 고분자 전해질막, 이를 포함하는 알칼라인 연료전지, 알칼라인 연료전지용 고분자 전해질막의 제조방법 - Google Patents
알칼라인 연료전지용 고분자 전해질막, 이를 포함하는 알칼라인 연료전지, 알칼라인 연료전지용 고분자 전해질막의 제조방법 Download PDFInfo
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- 239000012528 membrane Substances 0.000 title claims abstract description 86
- 239000005518 polymer electrolyte Substances 0.000 title claims abstract description 69
- 239000000446 fuel Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920000642 polymer Polymers 0.000 claims abstract description 45
- 239000000126 substance Substances 0.000 claims abstract description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- -1 amino alkane thiol Chemical class 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 238000005342 ion exchange Methods 0.000 claims description 16
- 125000000524 functional group Chemical group 0.000 claims description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 125000005843 halogen group Chemical group 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 18
- 239000000243 solution Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 150000002500 ions Chemical class 0.000 description 12
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 229920006260 polyaryletherketone Polymers 0.000 description 5
- 150000003573 thiols Chemical class 0.000 description 5
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- NQTADLQHYWFPDB-UHFFFAOYSA-N N-Hydroxysuccinimide Chemical group ON1C(=O)CCC1=O NQTADLQHYWFPDB-UHFFFAOYSA-N 0.000 description 3
- 239000003011 anion exchange membrane Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- OSSNTDFYBPYIEC-UHFFFAOYSA-N 1-ethenylimidazole Chemical compound C=CN1C=CN=C1 OSSNTDFYBPYIEC-UHFFFAOYSA-N 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- KMGBZBJJOKUPIA-UHFFFAOYSA-N butyl iodide Chemical compound CCCCI KMGBZBJJOKUPIA-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000000235 small-angle X-ray scattering Methods 0.000 description 2
- 238000001464 small-angle X-ray scattering data Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000001757 thermogravimetry curve Methods 0.000 description 2
- AZLYSPMCQFZMBX-UHFFFAOYSA-N 2-hex-1-enyl-5-iodo-1H-imidazole Chemical compound IC=1N=C(NC=1)C=CCCCC AZLYSPMCQFZMBX-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000005670 ethenylalkyl group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004442 gravimetric analysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 229940030980 inova Drugs 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/102—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer
- H01M8/1025—Polymeric electrolyte materials characterised by the chemical structure of the main chain of the ion-conducting polymer having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters
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- C—CHEMISTRY; METALLURGY
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
- C08G65/4012—Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
- C08G65/4012—Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones
- C08G65/4031—(I) or (II) containing nitrogen
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Abstract
Description
도 2는 본 발명의 실시예 1 내지 5와, 비교예 1 각각의 SAXS 패턴 그래프를 나타낸 도면이다.
도 3은 본 발명의 실시예 1 내지 5와, 비교예 1 각각의 온도변화에 따른 수산화이온 전도도 특성 평가 그래프를 나타낸 도면이다.
도 4는 본 발명의 실시예 1 내지 5와, 비교예 1 각각의 TGA 커브를 나타낸 도면이다.
구분 | AET의 양 (wt %) |
PBVIm-OH의 분자량 (gmol -1) |
이온교환용량 (meq g-1) |
실시예 1 PAEK-g-[PBVIm-OH]-0.25 |
0.25 | 7034 | 1.41 |
실시예 2 PAEK-g-[PBVIm-OH]-0.5 |
0.50 | 6192 | 1.30 |
비교예 1 AHA(Tokuyama사) |
- | - | 1.21 |
실시예 3 PAEK-g-[PBVIm-OH]-1.0 |
1.0 | 5234 | 1.21 |
실시예 4 PAEK-g-[PBVIm-OH]-2.0 |
2.0 | 3521 | 1.17 |
실시예 5 PAEK-g-[PBVIm-OH]-3.0 |
3.0 | 1512 | 1.02 |
구분 | 이온클러스터 크기(nm) |
실시예 1_PAEK-g-[PBVIm-OH]-0.25 | 2.79 |
실시예 2_PAEK-g-[PBVIm-OH]-0.5 | 2.51 |
실시예 3_PAEK-g-[PBVIm-OH]-1.0 | 2.39 |
실시예 4_PAEK-g-[PBVIm-OH]-2.0 | 2.00 |
실시예 5_PAEK-g-[PBVIm-OH]-3.0 | 1.68 |
Claims (14)
- 제1항에 있어서,
상기 화학식 1에서,
m은 30 이상의 정수를 나타내고,
n은 10 내지 55 사이의 정수를 나타내는 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막.
- 제1항에 있어서,
상기 화학식 1에서, n은 35 이상 42 이하의 정수를 나타내는 것을 특징으로 하는, 알칼라인 연료전지용 고분자 전해질막.
- 제1항에 있어서,
상기 화학식 1의 폴리(아릴렌에테르 케톤) 구조의 주쇄에 -L1-CONH-L2-를 통해서 연결된 폴리(비닐 알킬이미다졸리움)과 수산화이온을 포함하는 측쇄 작용기의 평균 분자량은, 1,000 g/mol 내지 8,000 g/mol인 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막.
- 제4항에 있어서,
상기 측쇄 작용기의 평균 분자량은 6,000 g/mol 초과 8,000 g/mol 이하인 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막.
- 제5항에 있어서,
이온교환용량이 1.21 meq/g 초과인 것을 특징으로 하는, 알칼라인 연료전지용 고분자 전해질막.
- 제1항에 있어서,
상기 화학식 1의 n값은 상기 화학식 1로 나타내는 폴리머의 제조 공정에서 이용되는 아미노알칸 티올의 함량에 따라 조절되는 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막.
- 청구항 1 내지 청구항 8 중 어느 한 항에 따른 고분자 전해질막이 2개의 전극들 사이에 개재된 구조를 갖는,
알칼라인 연료전지.
- 하기 화학식 1로 나타내는 폴리머를 제조하는 단계를 포함하되,
상기 단계는 하기 화학식 2로 나타내는 폴리(아릴렌에테르 케톤)에 하기 화학식 3으로 나타내는 폴리머를 반응시킨 후에 OH- 이온을 제공하는 용액을 이용하여 X-를 OH-로 이온교환하는 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막의 제조 방법;
<화학식 1>
<화학식 2>
<화학식 3>
상기 화학식 1 내지 3에서,
R1 및 R2는 각각 독립적으로 탄소수 1 내지 5를 갖는 알킬기를 나타내고,
L1은 -(CH2)x-를 나타내고(이때, x는 1 내지 5의 정수를 나타냄),
L2는 -(CH2)y-S-를 나타내며(이때, y는 1 내지 5의 정수를 나타냄),
m 및 n은 각각 독립적으로 1 이상의 정수를 나타내고,
X는 할로겐 원소를 나타낸다.
- 제10항에 있어서,
상기 OH- 이온을 제공하는 용액은 NaOH 용액인 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막의 제조 방법.
- 제13항에 있어서,
상기 화학식 3으로 나타내는 폴리머의 n값은 상기 반응식 1에서 첨가하는 아미노알칸 티올의 함량에 따라 조절되는 것을 특징으로 하는,
알칼라인 연료전지용 고분자 전해질막의 제조 방법.
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KR20130062252A (ko) * | 2011-12-02 | 2013-06-12 | 주식회사 엘지화학 | 고분자 전해질막 및 이를 포함하는 연료전지 |
KR20170051743A (ko) * | 2015-10-30 | 2017-05-12 | 한국화학연구원 | 폴리페닐렌계 친수성 주쇄 구조를 갖는 음이온 전도성 블록공중합체를 포함하는 음이온 이온전도체, 이의 제조방법 및 이의 용도 |
KR20180040013A (ko) * | 2016-10-11 | 2018-04-19 | 경상대학교산학협력단 | 폴리에테르에테르케톤 계열의 공중합체, 이를 포함하는 연료전지용 음이온교환막 및 이의 제조방법 |
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