JP2019519904A - 燃料電池のための集電体を製造する方法および燃料電池 - Google Patents
燃料電池のための集電体を製造する方法および燃料電池 Download PDFInfo
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- JP2019519904A JP2019519904A JP2019520495A JP2019520495A JP2019519904A JP 2019519904 A JP2019519904 A JP 2019519904A JP 2019520495 A JP2019520495 A JP 2019520495A JP 2019520495 A JP2019520495 A JP 2019520495A JP 2019519904 A JP2019519904 A JP 2019519904A
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- 239000000446 fuel Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 71
- 239000011230 binding agent Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 238000005245 sintering Methods 0.000 claims abstract description 17
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000010494 dissociation reaction Methods 0.000 claims description 13
- 230000005593 dissociations Effects 0.000 claims description 13
- 239000002657 fibrous material Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 16
- 238000010438 heat treatment Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- -1 for example Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- 229920002635 polyurethane Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H01M8/023—Porous and characterised by the material
- H01M8/0232—Metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous electrodes
-
- 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
-
- 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
- H01M8/023—Porous and characterised by the material
- H01M8/0239—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
- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0245—Composites in the form of layered or coated products
-
- 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
Abstract
Description
−粉末状または顆粒状の基礎材料を結合剤および繊維と混合させて材料混合物を生成させ、その際繊維が基礎材料よりも低い溶融点および/または低い耐化学性を有しているステップと、
−材料混合物から成形体を成形するステップと、
−結合剤を成形体から解離させるステップと、
−繊維の少なくとも一部を成形体から除去するステップと、
−成形体を焼結させるステップと、
を有している。
2 基礎材料
3 結合剤
4 繊維
5 材料混合物
6 成形体
Claims (10)
- 燃料電池のための集電体(1)を製造する方法において、
−粉末状または顆粒状の基礎材料(2)を結合剤(3)および繊維(4)と混合させて材料混合物(5)を生成させ、その際前記繊維(4)が前記基礎材料(2)よりも低い溶融点および/または低い耐化学性を有しているステップと、
−前記材料混合物(5)から成形体(6)を成形するステップと、
−前記結合剤(3)を前記成形体(6)から解離させるステップと、
−前記繊維(4)の少なくとも一部を前記成形体(6)から除去するステップと、
−前記成形体(6)を焼結させるステップと、
を有する方法。 - 前記成形を焼結プレスおよび/または射出成形および/またはドクターブレードおよび/または3Dプリント法により実施することを特徴とする、請求項1に記載の方法。
- 繊維(4)として、繊維材料を有する繊維(4)を添加し、少なくとも2つの成分を有する結合剤(3)を添加し、その際前記結合剤(3)の前記2つの成分のうちの少なくとも1つが結合剤材料を有し、前記繊維材料が、前記結合剤材料の溶融点に対応する、もしくは実質的に対応する溶融点を有し、および/または、前記繊維材料が前記結合剤材料と同じ極性を有していることを特徴とする、請求項1または2に記載の方法。
- 繊維(4)として、5mmと100mmの間の繊維長さを備えた繊維(4)を使用することを特徴とする、請求項1から3までのいずれか一つに記載の方法。
- 結合剤(3)として、少なくとも2つの成分を有する結合剤(3)を混合させ、前記結合剤(3)の第1の成分としてポリマーを使用し、前記結合剤(3)の第2の成分としてワックスを使用することを特徴とする、請求項1から4までのいずれか一つに記載の方法。
- 前記結合剤(3)および/または前記繊維(4)の前記解離を、500℃と700℃の間の温度で行うことを特徴とする、請求項1から5までのいずれか一つに記載の方法。
- 前記結合剤(3)および/または前記繊維(4)の前記解離を、溶剤を用いて実施することを特徴とする、請求項1から6までのいずれか一つに記載の方法。
- 前記成形体(6)を帯状に成形し、前記集電体(1)の予め決定した形状を形成させるために、帯状の前記成形体(6)から一部を切り離すことを特徴とする、請求項1から7までのいずれか一つに記載の方法。
- 前記焼結を、1100℃と1500℃の間の温度、特に1250℃と1350℃の間の温度で行うことを特徴とする、請求項1から8までのいずれか一つに記載の方法。
- 少なくとも1つの陽極と、少なくとも1つの陰極と、陽極と陰極との間に配置される少なくとも1つの電解質と、少なくとも1つの集電体とを備えた燃料電池において、
少なくとも1つの集電体(1)が、請求項1から9までのいずれか一つに記載の方法にしたがって製造されていることを特徴とする燃料電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016213537.6 | 2016-07-25 | ||
DE102016213537.6A DE102016213537A1 (de) | 2016-07-25 | 2016-07-25 | Verfahren zur Herstellung eines Stromsammlers für eine Brennstoffzelle und Brennstoffzelle |
PCT/EP2017/067533 WO2018019586A1 (de) | 2016-07-25 | 2017-07-12 | Verfahren zur herstellung eines stromsammlers für eine brennstoffzelle und brennstoffzelle |
Publications (2)
Publication Number | Publication Date |
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JP2019519904A true JP2019519904A (ja) | 2019-07-11 |
JP6788948B2 JP6788948B2 (ja) | 2020-11-25 |
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JP2019520495A Active JP6788948B2 (ja) | 2016-07-25 | 2017-07-12 | 燃料電池のための集電体を製造する方法および燃料電池 |
Country Status (5)
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US (1) | US10862137B2 (ja) |
JP (1) | JP6788948B2 (ja) |
CN (1) | CN109478655B (ja) |
DE (1) | DE102016213537A1 (ja) |
WO (1) | WO2018019586A1 (ja) |
Families Citing this family (1)
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EP4117060A1 (de) * | 2021-07-09 | 2023-01-11 | Hochschule Rheinmain University of Applied Sciences Wiesbaden Rüsselsheim | Verbessertes verfahren zur herstellung einer polarplatte |
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US2721378A (en) * | 1951-06-11 | 1955-10-25 | Birmingham Small Arms Co Ltd | Process for manufacture of porous structure |
NL279938A (ja) * | 1961-06-21 | |||
DE2208632C3 (de) * | 1972-02-24 | 1981-07-30 | Battelle-Institut E.V., 6000 Frankfurt | Verfahren zur Herstellung von kohlehaltigen Gaselektroden mit hydrophober Rückschicht |
JPS6017865A (ja) * | 1983-07-12 | 1985-01-29 | Matsushita Electric Ind Co Ltd | 溶融塩燃料電池 |
JPS6124151A (ja) | 1984-07-13 | 1986-02-01 | Mitsubishi Electric Corp | 溶融炭酸塩形燃料電池用電極の製造方法 |
JPS63171802A (ja) * | 1987-01-08 | 1988-07-15 | Kobe Steel Ltd | 多孔質金属焼結体の製造方法 |
DE3855544T2 (de) | 1987-04-10 | 1997-03-27 | Hitachi Ltd | Keramische Verbundwerkstoff und Verfahren zur Herstellung desselben |
JPH0692603B2 (ja) * | 1989-10-17 | 1994-11-16 | 住友金属鉱山株式会社 | 金属焼結体製造用金属粉末及びこれを用いた金属焼結体製品の製造方法 |
JPH0656556A (ja) | 1992-08-05 | 1994-03-01 | Murata Mfg Co Ltd | 多孔質電極の製造方法 |
CA2104605C (en) * | 1992-09-09 | 2000-05-02 | Peter Jones | Powder metal alloy process |
US6232010B1 (en) * | 1999-05-08 | 2001-05-15 | Lynn Tech Power Systems, Ltd. | Unitized barrier and flow control device for electrochemical reactors |
WO2004067259A1 (en) * | 2002-12-23 | 2004-08-12 | Microcell Corporation | Substrate-supported process for manufacturing microfibrous fuel cells |
JP4889914B2 (ja) * | 2003-05-26 | 2012-03-07 | 三菱マテリアル株式会社 | 燃料電池用の多孔質板および燃料電池 |
US20060147781A1 (en) | 2003-07-02 | 2006-07-06 | Yuqi Cai | Fuel cell collector plates containing grafted polyolefins |
US7674426B2 (en) * | 2004-07-02 | 2010-03-09 | Praxis Powder Technology, Inc. | Porous metal articles having a predetermined pore character |
JP2006331743A (ja) | 2005-05-24 | 2006-12-07 | Kyocera Corp | 横縞形燃料電池セル、その製造方法、燃料電池セルスタック、その製造方法、および、燃料電池、 |
US20150017464A1 (en) * | 2011-12-28 | 2015-01-15 | Taisei Kogyo Co., Ltd. | Porous sintered body and process for producing porous sintered body |
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2016
- 2016-07-25 DE DE102016213537.6A patent/DE102016213537A1/de active Pending
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2017
- 2017-07-12 CN CN201780046211.0A patent/CN109478655B/zh active Active
- 2017-07-12 JP JP2019520495A patent/JP6788948B2/ja active Active
- 2017-07-12 WO PCT/EP2017/067533 patent/WO2018019586A1/de active Application Filing
- 2017-07-12 US US16/319,551 patent/US10862137B2/en active Active
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Publication number | Publication date |
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DE102016213537A1 (de) | 2018-01-25 |
CN109478655B (zh) | 2022-03-18 |
US20190237774A1 (en) | 2019-08-01 |
JP6788948B2 (ja) | 2020-11-25 |
WO2018019586A1 (de) | 2018-02-01 |
CN109478655A (zh) | 2019-03-15 |
US10862137B2 (en) | 2020-12-08 |
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