JPS62184768A - Manufacture of gas diffusion electrode - Google Patents
Manufacture of gas diffusion electrodeInfo
- Publication number
- JPS62184768A JPS62184768A JP61024819A JP2481986A JPS62184768A JP S62184768 A JPS62184768 A JP S62184768A JP 61024819 A JP61024819 A JP 61024819A JP 2481986 A JP2481986 A JP 2481986A JP S62184768 A JPS62184768 A JP S62184768A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- gas diffusion
- reaction layer
- material sheet
- raw material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 13
- -1 platinum group compound Chemical class 0.000 claims abstract description 12
- 239000006229 carbon black Substances 0.000 claims abstract description 11
- 239000005871 repellent Substances 0.000 claims abstract description 11
- 239000002904 solvent Substances 0.000 claims abstract description 10
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000012210 heat-resistant fiber Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000011162 core material Substances 0.000 abstract description 7
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 6
- 239000004917 carbon fiber Substances 0.000 abstract description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 239000010935 stainless steel Substances 0.000 abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 4
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 239000004745 nonwoven fabric Substances 0.000 abstract 2
- 230000002940 repellent Effects 0.000 abstract 2
- 239000000446 fuel Substances 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000004760 aramid Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 150000003058 platinum compounds Chemical class 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
Classifications
-
- 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
- H01M4/96—Carbon-based electrodes
-
- 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
【発明の詳細な説明】
（産業上の利用分野）
本発明は、燃料電池、二次電池、電気化学的リアクター
、めっき用陽極に用いるガス拡散電極の製造方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a gas diffusion electrode used in a fuel cell, a secondary battery, an electrochemical reactor, or an anode for plating.
（従来の技術）
従来、ガス拡散電極として、白金、カーボンブラック、
ポリ四弗化エチレンより成る親水性の反応層に、カーボ
ンブラック、ポリ四弗化エチレンより成る撥水性のガス
拡散層を接合して成るものがある。(Conventional technology) Conventionally, platinum, carbon black,
There is one in which a water-repellent gas diffusion layer made of carbon black and polytetrafluoroethylene is bonded to a hydrophilic reaction layer made of polytetrafluoroethylene.
このガス拡１１シ電穫は、燃料電池等に使用した場合、
電解液は反応層を透過するが、ガス拡散層を透過せず、
反応により生成したガスあるいは供給ガスのみガス拡散
層を拡散透過するものである。When this gas expansion is used in fuel cells, etc.,
The electrolyte passes through the reaction layer but not the gas diffusion layer,
Only the gas produced by the reaction or the supplied gas diffuses and permeates through the gas diffusion layer.
（発明が解決しようとする問題点）
ところで上記ガス拡散電極は、非常に薄いので、強度が
不足し、反り易く且つ撓み易くて、取扱いにおいて変形
したり、亀裂が入ったりすることがある。特にガス拡散
層に亀裂が入ると、燃料電池等に使用した場合、電解液
が亀裂に沿ってガス拡散層を通過するので、（Ω水性が
失われ、ガス拡１１シ電掻としての機能がそう失するも
のである。従って、ガス拡散電極の取扱いには細心の注
意を必要とし、甚だ操作性、作業性に劣るという問題が
あった。(Problems to be Solved by the Invention) Since the gas diffusion electrode is very thin, it lacks strength and is easily warped and bent, which may cause deformation or cracking during handling. In particular, if cracks form in the gas diffusion layer, when used in fuel cells, etc., the electrolyte will pass through the gas diffusion layer along the cracks (Ω), causing loss of aqueous properties and loss of function as a gas diffusion layer. Therefore, the handling of the gas diffusion electrode requires extreme care, and there is a problem in that the operability and workability are extremely poor.
そこで本発明は、強度を向上させ、反りにくく且つ撓み
にくくて、変形したり亀裂が入ったりすることの無いガ
ス拡散電極とその製造方法を提供しようとするものであ
る。SUMMARY OF THE INVENTION Therefore, the present invention aims to provide a gas diffusion electrode that has improved strength, is less likely to warp and bend, and will not be deformed or cracked, and a method for manufacturing the same.
（問題点を解決するための手段）
上記問題点を解決するための本発明のガス拡散電極の製
造方法は、カーボン繊維、Ｎｉファイバー、ステンレス
鋼ファイバー、アラミド繊維、ボロン繊維、ＳｉＣ繊維
等の耐熱性繊維からなる不織シートに、親水性カーホン
ブランク、撥水性カーボンブラック、ポリ四弗化エチレ
ン、溶媒、界面活性剤を混合した塗液を塗布含浸し、次
にこの反応層素材シートに１５水性カーボンブラツク、
ポリ四弗化エチレン粉末、溶媒より成るガス拡散層素材
シー）・を圧着し、次いでこれを加熱して溶媒及び界面
活性剤を除去し、ガス拡散電極素材シートとし、然る後
これの反応層素材シーｊ・に白金族化合物溶液を含浸さ
せ、加熱分解して白金族金属又はその酸化物若しくはそ
の両方（これらを以下単に白金族と云う）を付着させ反
応層を形成することを特徴とするものである。(Means for Solving the Problems) In order to solve the above problems, the method for manufacturing a gas diffusion electrode of the present invention uses heat-resistant materials such as carbon fibers, Ni fibers, stainless steel fibers, aramid fibers, boron fibers, and SiC fibers. A coating solution containing a hydrophilic carphone blank, water-repellent carbon black, polytetrafluoroethylene, a solvent, and a surfactant is applied and impregnated onto a nonwoven sheet made of synthetic fibers, and then the reaction layer material sheet is coated with water-based carbon black,
A gas diffusion layer material sheet (made of polytetrafluoroethylene powder and a solvent) is compressed and then heated to remove the solvent and surfactant to form a gas diffusion electrode material sheet. The material is impregnated with a platinum group compound solution and thermally decomposed to adhere a platinum group metal, its oxide, or both (hereinafter simply referred to as platinum group) to form a reaction layer. It is something.
上記の如く本発明によって作られるガス拡散電極は、反
応層にカーボン繊維、Ｎｉファイバー、ステンレス鋼フ
ァイバー、アラミド繊維、ボロン繊維、ＳｉＣ繊維等の
耐熱性繊維から成る不織シートの思料を有するので、強
度が高く反りにくく、且つ撓みにくくて取扱いにおいて
変形したり、亀裂が入ったりすることがない。特にガス
拡散層に亀裂が入ることがないので、燃料電池等に使用
した場合、電解液がガス拡散層を通過することが無く、
撥水性を維持できる。As described above, the gas diffusion electrode made according to the present invention has a nonwoven sheet made of heat-resistant fibers such as carbon fibers, Ni fibers, stainless steel fibers, aramid fibers, boron fibers, and SiC fibers in the reaction layer. It has high strength and is resistant to warping and bending, so it will not deform or crack when handled. In particular, the gas diffusion layer does not crack, so when used in fuel cells, etc., the electrolyte will not pass through the gas diffusion layer.
Can maintain water repellency.
（実施例）
本発明のガス拡散電極の製造方法の一実施例を図面によ
って説明する。先ず第１図ａに示す如く７μの繊維から
成る幅１５０ｍｍ、長さ３００＋ｕ、厚さ２８０μのカ
ーボンペーパーの不織シート１に、平均粒径４２０人の
撥水性カーボン繊維・ツクと親水性カーボンブラックと
平均粒径０．３μのポリ四弗化エチレン粉末と水と界面
活性剤として非イオンのトリトンを３ ： ７ ： ３
：２００：２０の割合で混合した塗液を塗布し、第１
図すに示す反応層素材シート２を得た。次にこの反応層
素材シート２に第１図Ｃに示ず如く平均粒径４２０人の
撥水性カーボンブラックと平均粒径０．３μのポリ四弗
化エチレン粉末と水を７：３：２５の割合で混合成形し
て成る幅１２０龍、長さ１，２０醋、厚さ０．５■−の
ガス拡散層素材シート３を圧着し、次いでこれを加熱し
て水及び界面活性剤を除去し、第１図ｄに示す如くガス
拡散電極素材シーＩ・４とし、然る後それの反応層素材
シート２′に塩化白金酸溶液を塗布含浸させ、２００°
Ｃに加熱して白金化合物を分解し、＋−１２中２００℃
で還元し白金を０．５６■／ｃ１１Ｉに付着させ、第１
図ｅに示す如く気孔率６５％の反応層５を形成しガス拡
１１（電極６を作った。(Example) An example of the method for manufacturing a gas diffusion electrode of the present invention will be described with reference to the drawings. First, as shown in Figure 1a, a carbon paper nonwoven sheet 1 made of 7μ fibers with a width of 150 mm, a length of 300+U, and a thickness of 280μ is coated with water-repellent carbon fibers with an average particle size of 420 mm and hydrophilic carbon black. and polytetrafluoroethylene powder with an average particle size of 0.3μ, water, and nonionic Triton as a surfactant in a ratio of 3:7:3.
:200:20 ratio of coating liquid was applied, and the first
A reaction layer material sheet 2 shown in the figure was obtained. Next, water-repellent carbon black with an average particle size of 420, polytetrafluoroethylene powder with an average particle size of 0.3 μm, and water were mixed in a ratio of 7:3:25 to this reaction layer material sheet 2 as shown in FIG. 1C. A gas diffusion layer material sheet 3 having a width of 120 mm, a length of 1.20 mm, and a thickness of 0.5 cm is formed by mixing and molding in the following proportions, and is then heated to remove water and surfactant. As shown in FIG. 1d, a gas diffusion electrode material sheet I-4 was prepared, and then a chloroplatinic acid solution was applied and impregnated onto the reaction layer material sheet 2', and the temperature was heated at 200°.
Decompose the platinum compound by heating to 200°C in +-12
to attach platinum to 0.56■/c11I, and
As shown in Figure e, a reaction layer 5 with a porosity of 65% was formed, and a gas expansion 11 (electrode 6) was made.
ごうして作った実施例のガス拡散電極６ば、反応層５中
にカーボンペーパーの不織シートｌが芯材として入って
いるので、ガスｔＪＥ ｌｔｋ電極としての曲げ強度が
高くて反りにり＜、且つ７４％みにくいものである。従
って、取扱いにおいて変形したり、亀裂が入ったりする
ことがない。特にガス拡散層７に亀裂が入らないので燃
料電池等に使用した場合、電解液はガス拡散層７を通過
することが無く、（０水性を維持できる。The gas diffusion electrode 6 of the example made in this way has a non-woven sheet of carbon paper as a core material in the reaction layer 5, so it has high bending strength as a gas electrode and does not warp. It is also 74% uglier. Therefore, it will not be deformed or cracked during handling. In particular, since the gas diffusion layer 7 does not crack, when used in a fuel cell or the like, the electrolyte does not pass through the gas diffusion layer 7 and can maintain zero aqueous properties.
また前記反応層５は、カーボンペーパーの不織シート１
が芯材として入っている為、気孔率６５％と高いので、
白金の触媒反応が十分に行われ触媒性能が向上する。Further, the reaction layer 5 includes a nonwoven sheet 1 of carbon paper.
Because it contains as a core material, it has a high porosity of 65%,
The catalytic reaction of platinum is sufficiently carried out and the catalytic performance is improved.
尚、上記実施例では反応層５の芯材となる不織シート１
に、カーボン繊維を用いたが、Ｎｉファイバー、ステン
レス鋼ファイバー、アラミド繊維、ボロン繊維、ＳｉＣ
繊維であっても良く、これらと混合したものでも良いも
のである。In addition, in the above embodiment, the nonwoven sheet 1 serving as the core material of the reaction layer 5
Carbon fiber was used, but Ni fiber, stainless steel fiber, aramid fiber, boron fiber, SiC
It may be a fiber or a mixture thereof.
また実施例では溶媒に水を使用したが、エタノール、イ
ソプロピルアルコール等のアルコール類やｎ−ブタン等
の炭化水素でも良いものである。Furthermore, although water was used as the solvent in the examples, alcohols such as ethanol and isopropyl alcohol, and hydrocarbons such as n-butane may also be used.
然して本発明によって得られるガス拡散電極において、
曲げ強度をさらに向上しようとする場合は、反応層５と
は反対側のガス拡散層７の表面に、第２図に示す如く、
カーホンペーパーの不織シートｌに撥水性カーホンブラ
ックとポリ四弗化エチレン粉末を含浸付着させて成る白
金族を有しない撥水性の補強シート８を設けるようにす
ると良い。However, in the gas diffusion electrode obtained by the present invention,
In order to further improve the bending strength, as shown in FIG.
It is preferable to provide a water-repellent reinforcing sheet 8 which does not contain platinum group and is made by impregnating and adhering water-repellent carphone black and polytetrafluoroethylene powder to a non-woven sheet 1 of carphone paper.
このようにすると、ガス拡散電極の両面側に芯材である
不１地シート１が備わるので、著しく曲げ強度が高くな
り、反り、１えみか解消できる。In this way, since the non-uniform sheet 1 serving as the core material is provided on both sides of the gas diffusion electrode, the bending strength is significantly increased, and warpage can be eliminated.
（発明の効果）
以上の説明で判るように本発明によって作られたガス拡
散電極は、反応層に不織シートの芯材が入っている為、
強度が高くて反りにくり、且つ撓みにくくて、取扱いに
おいて変形したり、亀裂が入ったりすることがない。従
って、ガス拡散電極の取扱いが容易となり、操作性、作
業性等が向上する。しかも燃料電池等に使用した場合、
ガス拡散層に亀裂が無いので、電解液がガス拡散層を通
過せず、ガス拡散層は（分水性を維持できる。また反応
層に前述の如く不織シートの芯材が入っている為、気孔
率が高くなり、白金族の触媒反応が十分に行われ、反応
層の触媒性能が向上する。(Effects of the Invention) As can be seen from the above explanation, the gas diffusion electrode made according to the present invention has a nonwoven sheet core material in the reaction layer.
It has high strength and is resistant to warping and bending, so it will not deform or crack when handled. Therefore, handling of the gas diffusion electrode becomes easy, and operability, workability, etc. are improved. Moreover, when used in fuel cells, etc.
Since there are no cracks in the gas diffusion layer, the electrolyte does not pass through the gas diffusion layer, and the gas diffusion layer can maintain its water-repellent properties.Also, since the reaction layer contains a non-woven sheet core material as mentioned above, The porosity increases, the platinum group catalytic reaction is sufficiently carried out, and the catalytic performance of the reaction layer is improved.
また本発明Ｇこよれば、上記の（ｆｉれたガス拡散電極
を容易に作ることができる。Further, according to the present invention, the above-mentioned (filed) gas diffusion electrode can be easily produced.
第１図ａ乃至ｅは第１図のガス拡散電極を作る本発明の
製造方法の工程を示す図、第２図は本発明のガス拡散電
極の他の実施例を示す断面図である。
出願人 田中貴金属工業株式会社
木尾 哲
舌圧 長−FIGS. 1a to 1e are diagrams showing the steps of the manufacturing method of the present invention for producing the gas diffusion electrode of FIG. 1, and FIG. 2 is a sectional view showing another embodiment of the gas diffusion electrode of the present invention. Applicant: Tanaka Kikinzoku Kogyo Co., Ltd.
Claims (1)
ーボンブラック、ポリ四弗化エチレン粉末、溶媒、界面
活性剤を混合した塗液を塗布又は含浸付着し、次にこの
反応層素材シートに、撥水性カーボンブラック、ポリ四
弗化エチレン粉末、溶媒より成るガス拡散層素材シート
を圧着し、次いでこれを加熱して溶媒及び界面活性剤を
除去し、ガス拡散電極素材シートとし、然る後これの反
応層素材シートに白金族化合物溶液を含浸させ、加熱分
解して白金族金属又はその酸化物若しくはその両方を付
着させ反応層を形成することを特徴とするガス拡散電極
の製造方法。A coating solution containing a mixture of hydrophilic and water-repellent carbon black, polytetrafluoroethylene powder, a solvent, and a surfactant is applied or impregnated onto a nonwoven sheet made of heat-resistant fibers, and then the reaction layer material sheet is A gas diffusion layer material sheet made of water-repellent carbon black, polytetrafluoroethylene powder, and a solvent is pressed together, and then heated to remove the solvent and surfactant to form a gas diffusion electrode material sheet. A method for manufacturing a gas diffusion electrode, which comprises impregnating this reaction layer material sheet with a platinum group compound solution and thermally decomposing it to adhere a platinum group metal, its oxide, or both to form a reaction layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61024819A JPH065619B2 (en) | 1986-02-06 | 1986-02-06 | Method for manufacturing gas diffusion electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61024819A JPH065619B2 (en) | 1986-02-06 | 1986-02-06 | Method for manufacturing gas diffusion electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62184768A true JPS62184768A (en) | 1987-08-13 |
| JPH065619B2 JPH065619B2 (en) | 1994-01-19 |
Family
ID=12148793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61024819A Expired - Lifetime JPH065619B2 (en) | 1986-02-06 | 1986-02-06 | Method for manufacturing gas diffusion electrode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065619B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791974A1 (en) * | 1996-02-28 | 1997-08-27 | Johnson Matthey Public Limited Company | Catalytically active gas diffusion electrodes comprising a nonwoven fibrous structure |
| EP1620908A2 (en) * | 2003-04-28 | 2006-02-01 | Battelle Memorial Institute | Solid oxide fuel cell anodes and electrodes for other electrochemical devices |
| JP2006520087A (en) * | 2003-03-07 | 2006-08-31 | マイクロセル コーポレーション | Fuel cell structure and assembly |
| DE10151134B4 (en) * | 2000-10-17 | 2012-07-05 | Toyota Jidosha K.K. | Diffusion layer for a fuel cell and a method for producing the same |
-
1986
- 1986-02-06 JP JP61024819A patent/JPH065619B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791974A1 (en) * | 1996-02-28 | 1997-08-27 | Johnson Matthey Public Limited Company | Catalytically active gas diffusion electrodes comprising a nonwoven fibrous structure |
| US5865968A (en) * | 1996-02-28 | 1999-02-02 | Johnson Matthey Public Limited Company | Gas diffusion electrodes |
| US6010606A (en) * | 1996-02-28 | 2000-01-04 | Johnson Matthey Public Limited Company | Gas diffusion electrodes |
| AU717536B2 (en) * | 1996-02-28 | 2000-03-30 | Johnson Matthey Public Limited Company | Gas diffusion electrodes |
| EP0942482A3 (en) * | 1996-02-28 | 2000-08-16 | Johnson Matthey Public Limited Company | Use of catalytically active gas diffusion electrodes comprising a nonwoven fibrous structure in a Direct Methanol Fuel Cell |
| DE10151134B4 (en) * | 2000-10-17 | 2012-07-05 | Toyota Jidosha K.K. | Diffusion layer for a fuel cell and a method for producing the same |
| JP2006520087A (en) * | 2003-03-07 | 2006-08-31 | マイクロセル コーポレーション | Fuel cell structure and assembly |
| EP1620908A2 (en) * | 2003-04-28 | 2006-02-01 | Battelle Memorial Institute | Solid oxide fuel cell anodes and electrodes for other electrochemical devices |
| EP1620908A4 (en) * | 2003-04-28 | 2009-03-04 | Battelle Memorial Institute | Solid oxide fuel cell anodes and electrodes for other electrochemical devices |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065619B2 (en) | 1994-01-19 |
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