KR101170197B1 - 고체 고분자형 연료 전지용 세퍼레이터재와 그 제조 방법 - Google Patents
고체 고분자형 연료 전지용 세퍼레이터재와 그 제조 방법 Download PDFInfo
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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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0213—Gas-impermeable carbon-containing materials
-
- 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
- H01M8/02—Details
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0221—Organic resins; Organic 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0226—Composites in the form of mixtures
-
- 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
-
- 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
-
- 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
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Abstract
Description
|
실시예 | 비교예 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | ||
제 조 조 건 |
에폭시 수지 중량% 에폭시기 당량(g/eq) |
61 200 |
67 200 |
56 200 |
61.5 200 |
53 200 |
65 240 |
71 200 |
40 200 |
페놀 수지 중량% 수산기 당량(g/eq) |
38 125 |
32 125 |
43 125 |
*1 125 |
46 170 |
34 125 |
28 125 |
59 125 |
|
당량비 | 1.0 | 1.3 | 0.8 | 1.0 | 1.0 | 1.0 | 1.6 | 0.4 | |
경화 촉진제 중량% | 1 | 1 | 1 | 0.01 | 1 | 1 | 1 | 1 | |
재 질 특 성 |
NH4+ 용출량(㎍/g) | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 |
TOC 용출량(㎍/g) | 40 | 35 | 41 | 38 | 44 | 46 | 115 | 120 | |
신장율(%) | 0.05 | 0.08 | 0.07 | 0.06 | 0.04 | 0.04 | 0.25 | 0.22 | |
굴곡 강도, 상온(MPa) | 57 | 55 | 54 | 54 | 52 | 55 | 39 | 35 | |
굴곡 강도, 80℃(MPa) | 55 | 52 | 53 | 52 | 50 | 54 | 38 | 32 | |
고유 저항(mΩ?㎝) | 6.1 | 6.5 | 6.5 | 6.4 | 7.1 | 6.9 | 8.6 | 10.2 | |
접촉 저항(mΩ?㎝2) | 5.6 | 6.2 | 6.0 | 5.9 | 6.5 | 7.0 | 7.8 | 9.5 | |
가스 투과 계수(×10- 12몰? m?m-2?초-1?MPa-1) |
2.3 | 1.5 | 2.0 | 2.5 | 2.2 | 2.8 | 15 | 32 | |
성형품 외관 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 불량 | 불량 | |
(주) *1 38.49 |
|
비교예 | ||||||||
3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | ||
제 조 조 건 |
에폭시 수지 중량% 에폭시기 당량(g/eq) |
61 200 |
60 200 |
67 260 |
56 160 |
66 200 |
47 200 |
61 200 |
-- -- |
페놀 수지 중량% 수산기 당량(g/eq) |
39 125 |
37 125 |
32 125 |
43 125 |
33 100 |
52 200 |
38 125 |
90 *3 |
|
당량비 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | -- | |
경화 촉진제 중량% | 0 | 3 | 1 | 1 | 1 | 1 | *2 | -- | |
재 질 특 성 |
NH4+ 용출량(㎍/g) | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 | 24 | 20 |
TOC 용출량(㎍/g) | 100 | 65 | 49 | 48 | 40 | 46 | 43 | 90 | |
신장율(%) | 0.2 | 0.09 | 0.04 | 0.12 | 0.11 | 0.04 | 0.06 | 0.29 | |
굴곡 강도, 상온(MPa) | 53 | 48 | 50 | 52 | 54 | 51 | 55 | 56 | |
굴곡 강도, 80℃(MPa) | 26 | 45 | 31 | 51 | 51 | 29 | 50 | 47 | |
고유 저항(mΩ?㎝) | 7.0 | 7.8 | 6.5 | 7.0 | 6.8 | 6.4 | 6.2 | 8.2 | |
접촉 저항(mΩ?㎝2) | 6.5 | 8.1 | 6.0 | 6.3 | 6.4 | 6.6 | 6.6 | 4.6 | |
가스 투과 계수(×10- 12몰? m?m-2?초-1?MPa-1) |
11.3 | 10.2 | 3.1 | 3.5 | 9.8 | 2.8 | 3.1 | 6.5 | |
성형품 외관 | 양호 | 불량 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | |
(주) *2 2-메틸이미다졸아진을 1 중량% 첨가 *3 경화제에 헥사민을 사용(10 중량%) |
Claims (4)
- 에폭시기 당량이 170 내지 250 g/eq의 페놀 노볼락형 에폭시 수지 또는 크레졸 노볼락형 에폭시 수지와, 수산기 당량이 120 내지 200 g/eq의 노볼락형 페놀 수지가, 에폭시기에 대한 페놀성 수산기의 당량비가 0.5 내지 1.5의 중량비로 혼합되고, 경화 촉진제로서 아미노기를 갖지 않는 이미다졸 화합물을 0.001 내지 2.0 중량%의 비율로 배합한 혼합 수지를 결합재로 하여 흑연 분말을 결착한 흑연/수지 경화 성형체를 포함하며, 90℃의 열수중에 침지하였을 때의,(1) 500 시간 침지 후의 흡수 신장율이 0.10% 이하,(2) 50 시간 침지 후의 암모늄 이온 용출량이 2 ㎍/g 이하,(3) 50 시간 침지 후의 TOC(총 유기 탄소) 용출량이 50 ㎍/g 이하인 것을 특징으로 하는 고체 고분자형 연료 전지용 세퍼레이터재.
- 제1항에 있어서, 혼합 수지의 수지 고형분과 흑연 분말의 중량비가 10:90 내지 35:65인 것인 고체 고분자형 연료 전지용 세퍼레이터재.
- 에폭시기 당량이 170 내지 250 g/eq의 페놀 노볼락형 에폭시 수지 또는 크레졸 노볼락형 에폭시 수지와, 수산기 당량이 120 내지 200 g/eq의 노볼락형 페놀 수지를, 에폭시기에 대한 페놀성 수산기의 당량비를 0.5 내지 1.5의 중량비로 혼합하고, 아미노기를 갖지 않는 이미다졸 화합물을 0.001 내지 2.0 중량%의 비율로 첨가 하여 유기 용제에 용해하며, 상기 혼합 수지 용액과 흑연 분말을 혼련한 후 유기 용제를 휘산 제거하고, 이어서 혼련물을 분쇄하여 얻어진 성형분을 예비 성형틀에 충전하며, 상형(上型)을 얹어 1 내지 10 MPa로 가압하여 예비 성형한 프리폼을 성형틀에 삽입하고, 압력 20 내지 50 MPa, 온도 150 내지 250℃에서 열압 성형하는 것을 특징으로 하는 고체 고분자형 연료 전지용 세퍼레이터재의 제조 방법.
- 제3항에 있어서, 혼합 수지의 수지 고형분과 흑연 분말의 중량비가 10:90 내지 35:65인 것인 고체 고분자형 연료 전지용 세퍼레이터재의 제조 방법.
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JP5019195B2 (ja) * | 2005-12-21 | 2012-09-05 | 東海カーボン株式会社 | 燃料電池用セパレータ材の製造方法 |
CA2698940C (en) * | 2007-09-12 | 2015-02-03 | Fumio Tanno | Bipolar plate for fuel cell |
KR101041697B1 (ko) * | 2008-11-21 | 2011-06-14 | 한국타이어 주식회사 | 연료전지 분리판 성형재료 및 이로부터 제조된 연료전지 분리판 |
KR20110105449A (ko) * | 2010-03-19 | 2011-09-27 | 도레이첨단소재 주식회사 | 염료감응태양전지용 고분자전해질 및 이를 이용한 염료감응태양전지의 제조방법 |
JP5257497B2 (ja) * | 2011-09-26 | 2013-08-07 | 日清紡ケミカル株式会社 | 燃料電池用多孔質セパレータ |
KR102123282B1 (ko) * | 2013-03-22 | 2020-06-16 | 신닛테츠스미킹 마테리알즈 가부시키가이샤 | 카본판 및 복합 카본판 |
JP6237805B2 (ja) * | 2016-03-15 | 2017-11-29 | 日清紡ケミカル株式会社 | 燃料電池用多孔質セパレータ |
DE102016015318A1 (de) * | 2016-12-22 | 2018-06-28 | Daimler Ag | Verfahren zum Fertigen einer Separatorplatte für eine Brennstoffzelle, Separatorplatte und Zwischenprodukt für eine Separatorplatte |
CN111283997B (zh) * | 2019-12-16 | 2021-12-21 | 江苏沃能电气科技有限公司 | 一种复合绝缘管的生产工艺 |
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JP4000651B2 (ja) * | 1998-01-19 | 2007-10-31 | トヨタ自動車株式会社 | 燃料電池用セパレータの製造方法 |
JP2000311695A (ja) * | 1999-02-23 | 2000-11-07 | Hitachi Chem Co Ltd | 燃料電池用セパレータ及びその製造法並びに燃料電池用セパレータを用いた燃料電池 |
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US7063914B2 (en) * | 2000-09-04 | 2006-06-20 | Nippon Steel Chemical Co., Ltd. | Fuel cell separator, process for producing the same and material therefor |
JP2002083609A (ja) * | 2000-09-07 | 2002-03-22 | Nippon Steel Chem Co Ltd | 燃料電池用セパレータ用組成物及びその製造方法 |
JP2002201257A (ja) * | 2000-12-28 | 2002-07-19 | Sumitomo Bakelite Co Ltd | 導電性エポキシ樹脂成形材料 |
US20020180088A1 (en) * | 2001-04-03 | 2002-12-05 | Mitsubishi Chemical Corporation | Process for producing separator for fuel cell |
JPWO2003079475A1 (ja) * | 2002-03-20 | 2005-07-21 | 株式会社三昌化工 | 燃料電池用セパレータ、その製造方法および該燃料電池用セパレータを用いた燃料電池 |
JP4455810B2 (ja) * | 2002-10-01 | 2010-04-21 | 東海カーボン株式会社 | 固体高分子型燃料電池用セパレータの製造方法 |
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EP1602674B1 (en) * | 2003-03-10 | 2006-08-23 | Dainippon Ink and Chemicals, Incorporated | Conductive resin composition, process for production thereof, and fuel cell separators |
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CN100521327C (zh) | 2009-07-29 |
US20080111112A1 (en) | 2008-05-15 |
US7740990B2 (en) | 2010-06-22 |
TWI361508B (ko) | 2012-04-01 |
JPWO2006049319A1 (ja) | 2008-05-29 |
CN101057356A (zh) | 2007-10-17 |
EP1826848A1 (en) | 2007-08-29 |
KR20070085506A (ko) | 2007-08-27 |
EP1826848A4 (en) | 2010-10-06 |
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JP4702670B2 (ja) | 2011-06-15 |
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