KR102598527B1 - 전해질 막 제조장치 및 이를 이용한 변색방지 전해질 막 제조방법 - Google Patents
전해질 막 제조장치 및 이를 이용한 변색방지 전해질 막 제조방법 Download PDFInfo
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- KR102598527B1 KR102598527B1 KR1020180055227A KR20180055227A KR102598527B1 KR 102598527 B1 KR102598527 B1 KR 102598527B1 KR 1020180055227 A KR1020180055227 A KR 1020180055227A KR 20180055227 A KR20180055227 A KR 20180055227A KR 102598527 B1 KR102598527 B1 KR 102598527B1
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- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 3
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 3
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- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 3
- 238000003618 dip coating Methods 0.000 claims description 3
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 claims description 3
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- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims description 3
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- OBTWBSRJZRCYQV-UHFFFAOYSA-N sulfuryl difluoride Chemical compound FS(F)(=O)=O OBTWBSRJZRCYQV-UHFFFAOYSA-N 0.000 claims description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
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- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
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- 229920006275 Ketone-based polymer Polymers 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
-
- 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
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1081—Polymeric electrolyte materials characterised by the manufacturing processes starting from solutions, dispersions or slurries exclusively of polymers
-
- 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
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1046—Mixtures of at least one polymer and at least one additive
- H01M8/1051—Non-ion-conducting additives, e.g. stabilisers, SiO2 or ZrO2
-
- 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
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1053—Polymer electrolyte composites, mixtures or blends consisting of layers of polymers with at least one layer being ionically conductive
-
- 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
- H01M8/1058—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
-
- 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
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1086—After-treatment of the membrane other than by polymerisation
-
- 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
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1086—After-treatment of the membrane other than by polymerisation
- H01M8/109—After-treatment of the membrane other than by polymerisation thermal other than drying, e.g. sintering
-
- 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
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Manufacturing & Machinery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Conductive Materials (AREA)
Abstract
Description
(도 2)는 물과 노말프로필알코올의 증발과정을 나타낸 것이다.
(도 3)는 노말프로필알코올과 황산의 탈수반응에 따른 색 변화를 관찰한 사진이다.
(도 4)은 본 발명의 건조단계를 거친 전해질 막의 색 변화를 관찰한 사진이다.
(도 5)는 본 발명의 건조단계를 거치지 않고, 종래의 방법에 의해 제조된 전해질 막의 색 변화를 관찰한 사진이다.
(도 6)는 상대습도를 달리하는 건조환경에 따라 전해질 막의 색 변화를 관찰한 사진이다.
(도 7)는 시간에 따른 막의 활성화 속도 및 성능을 나타낸 그래프이다.
2, 3, 4: 가이드롤
5: 리와인딩롤
6: 기재
7: 코팅된 기재
8: 이오노머가 분산된 용매를 코팅하는 장치
9: 포화수증기가 있는 건조장치
10: 열처리장치
W: H2O(물)
S: nPA(노말프로필알코올)
R1: (80℃ RH 5% 건조과정을 거친) 전해질 막
R2: (80℃ RH 20% 건조과정을 거친) 전해질 막
R3: (80℃ RH 30% 건조과정을 거친) 전해질 막
R4: (80℃ RH 60% 건조과정을 거친) 전해질 막
R5: (80℃ RH 80% 건조과정을 거친) 전해질 막
M1: 미변색 막
M2: 변색된 막
Claims (17)
- 이오노머를 2종 이상의 용매에 분산하여 이오노머 용액을 제조하는 단계;
상기 이오노머 용액을 기재상에 코팅하여 코팅층을 형성하는 단계; 및
상기 코팅층이 형성된 기재를 건조장치에서 건조시키는 건조 단계; 를 포함하고,
상기 건조 단계는 상기 코팅층에 상기 2종 이상의 용매 중 포함된 1종의 용매와 동일한 성분의 가스가 포화상태로 건조장치 내에 존재하는 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 이오노머는 플루오르계 고분자, 퍼플루오르술폰계 고분자, 벤즈이미다졸계 고분자, 폴리이미드계 고분자, 폴리에테르이미드계 고분자, 폴리페틸렌술파이드계 고분자, 폴리술폰계 고분자, 폴리에테르술폰계 고분자, 폴리에테르케톤계 고분자, 폴리에테르-에테르케톤계 고분자, 폴리페닐퀴녹살린계 고분자, 폴리스티렌계 고분자로 이루어진 군으로부터 선택된 어느 하나 또는 이들 중 2종 이상의 고분자를 포함하는 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 용매는 물을 포함하고,
에탄올, 이소프로필알코올, n-프로필알코올, 부틸알코올, 메탄올, 디메틸포름아마이드, 디메틸아세트아마이드, 디메틸술폭사이드, N-메틸피롤리돈, 테트라하이드로퓨란, 아세톤, 메틸에틸케톤, 테트라메틸우레아, 트리메틸포스페이트, 부티로락톤, 이소포론, 카르비톨아세테이트, 메틸이소부틸케톤, N-부틸아세테이트, 사이클로헥사논, 디아세톤알코올, 디이소부틸케톤, 에틸아세토아세테이트, 글리콜 에테르, 프로필렌카보네이트, 에틸렌카보네이트, 디메틸카보네이트 및 디에틸카보네이트 중에서 선택된 어느 하나 또는 이둘 중 2종 이상을 더 포함하는 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 기재는 폴리에틸렌, 폴리프로필렌, 폴리에틸렌테레프탈레이트, 폴리부틸렌테레프탈레이트, 폴리비닐리덴플로라이드, 폴리비닐다이플루오르에틸렌, 폴리비닐클로라이드, 폴리비닐리덴클로라이드, 폴리에스테르, 폴리아세탈, 폴리아미드, 폴리카보네이트, 폴리이미드, 폴리에테르케톤, 폴리에테르에테르케톤, 폴리에틸렌에테르나이트릴, 폴리에틸렌나프탈렌, 폴리에테르설폰, 폴리페닐렌옥사이드, 폴리페닐렌설파이드로, 폴리테트라플루오로에틸렌, 테트라플루오로에틸렌-헥사플루오로프로필렌 공중합체 및 테트라플루오로에틸렌-퍼플루오로알킬비닐에테르 공중합체로 이루어진 군으로부터 선택된 어느 하나 또는 이들 중 2종 이상의 혼합물로 형성되는 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 코팅층을 형성하는 단계에서 형성된 코팅층 상에 다공성 지지체(ePTFE)를 삽입하고, 삽입된 다공성 지지체 상에 다시 이오노머 용액을 코팅하는 단계를 더 포함하는 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계에서 코팅층에 포함된 2종 이상의 용매 중 상기 건조장치 내에 가스상태로 존재하지 않는 나머지 용매가 먼저 증발되는 것을 특징으로 하는 전해질 막의 제조방법.
- 삭제
- 제1항에 있어서,
상기 건조 단계에서 코팅층에 포함된 2종 이상의 용매 중 먼저 증발되는 용매는 전해질막 상에 잔존 시 변색을 유발하는 용매인 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계에서 코팅층에 포함된 2종 이상의 용매 중 먼저 증발되는 용매는 알코올계 용매인 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계에서 코팅층에 포함된 2종 이상의 용매 중 나중에 증발되는 용매는 물인 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계에서 건조시키는 시간이 5 내지 30분 이내인 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계에서 건조장치 내부 상대습도(RH)는 30% 이상인 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계에서 건조장치의 온도가 코팅층에 포함된 2종 이상의 용매 중 가장 낮은 끓는점을 갖는 용매의 끓는점 온도 미만으로 유지하는 것을 특징으로 하는 전해질 막의 제조방법.
- 제1항에 있어서,
상기 건조 단계 이후 코팅층이 형성된 기재를 온도 140 내지 200℃ 에서 열처리하는 단계; 를 더 포함하는 것을 특징으로 하는 전해질 막의 제조방법.
- 제14항에 있어서,
상기 열처리하는 시간이 5 내지 30분 이내인 것을 특징으로 하는 전해질 막의 제조방법.
- 기재를 공급하는 언와인딩롤;
언와인딩롤로부터 공급된 기재 상에 이오노머를 2종 이상의 용매의 분산시킨 이오노머 용액을 코팅하는 코팅장치;
상기 코팅장치에 의해 상기 이오노머 용액이 코팅된 기재를 상기 2종의 용매 중 1종의 용매와 동일한 성분의 가스가 포화상태로 존재하는 상태에서 건조를 수행하는 건조장치;
건조장치를 통과한 기재를 열처리하여 전해질 막을 제조하는 열처리장치; 및
열처리장치를 통과한 전해질 막을 권취하는 리와인딩롤; 을 포함하는 것을 특징으로 하는 전해질 막 제조장치.
- 제16항에 있어서,
상기 코팅하는 장치가 나이프(knife)코팅, 그라비어(gravure)코팅, 마이크로 그라비어(micro gravure)코팅, 슬롯다이(slot die)코팅, 롤(roll)코팅, 스핀(spin)코팅, 스프레이(spray)코팅, 딥(dip)코팅, 플로우(flow)코팅, 닥터블레이드(doctor blade)와 디스펜싱(dispensing), 잉크젯 프린팅, 옵셉 프린팅, 스크린 프린팅, 패드(pad)프린팅, 그라비아 프린팅, 플렉소(flexography)프린팅, 스텐실 프린팅에서 선택된 어느 하나 또는 이들 중 2종 이상의 방법에 의해 코팅되는 것을 특징으로 하는 전해질 막 제조장치.
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