JPH06260185A - Fuel cell with solid highpolymer electrolyte - Google Patents
Fuel cell with solid highpolymer electrolyteInfo
- Publication number
- JPH06260185A JPH06260185A JP5067647A JP6764793A JPH06260185A JP H06260185 A JPH06260185 A JP H06260185A JP 5067647 A JP5067647 A JP 5067647A JP 6764793 A JP6764793 A JP 6764793A JP H06260185 A JPH06260185 A JP H06260185A
- Authority
- JP
- Japan
- Prior art keywords
- fuel cell
- gas diffusion
- perfluorosulfonic acid
- diffusion electrode
- polymer
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は固体高分子電解質型の燃
料電池に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid polymer electrolyte type fuel cell.
【０００２】[0002]
【従来の技術】近年プロトン伝導性の高分子膜を電解質
として用いる燃料電池（固体高分子電解質型燃料電池）
の研究が進んでいる。固体高分子電解質型燃料電池は、
低温で作動し出力密度が高く小型化が可能であるという
特徴を有し、車載用電源等の用途に対し有力視されてい
る。2. Description of the Related Art Recently, a fuel cell using a proton-conducting polymer membrane as an electrolyte (solid polymer electrolyte fuel cell)
Research is progressing. The solid polymer electrolyte fuel cell is
It operates at low temperature, has a high output density, and can be downsized, and is regarded as a promising candidate for applications such as in-vehicle power supplies.
【０００３】[0003]
【発明が解決しようとする課題】本用途に用いられる高
分子膜は、通常厚さ１００〜２００μｍのプロトン伝導
性イオン交換膜が用いられ、特にスルホン酸基を有する
パーフルオロカーボン重合体からなる陽イオン交換膜が
基本特性に優れ広く検討されている。陽イオン交換膜の
表面に密着されるガス拡散電極中の組成については、燃
料電池特性に大きく影響することが知られているが、必
ずしも十分に検討されていない。As the polymer membrane used for this purpose, a proton conductive ion exchange membrane having a thickness of 100 to 200 μm is usually used, and in particular, a cation composed of a perfluorocarbon polymer having a sulfonic acid group. Exchange membranes have been widely studied because of their excellent basic properties. It is known that the composition of the gas diffusion electrode that is in close contact with the surface of the cation exchange membrane has a great influence on the fuel cell characteristics, but it has not been sufficiently studied.
【０００４】特開平３−２９５１７２、特開平４−１６
２３６５等には米国デュポン社製のパーフルオロカーボ
ンスルホン酸系イオン交換ポリマー：ナフィオンを用い
た検討を行っているが、燃料電池特性を十分に改善する
には至っていない。JP-A-3-295172, JP-A-4-16
2365 and the like have been studied using Nafion, a perfluorocarbon sulfonic acid type ion exchange polymer manufactured by DuPont, USA, but the fuel cell characteristics have not been sufficiently improved.
【０００５】[0005]
【課題を解決するための手段】本発明は前述の問題点を
解決すべくなされたものであり、スルホン酸基を有する
パーフルオロカーボン重合体からなる陽イオン交換膜を
固体高分子電解質型とする燃料電池において、上記陽イ
オン交換膜の表面に密着されるガス拡散電極中にイオン
交換容量が０．９５〜１．６ミリ当量／ｇ乾燥樹脂のパ
ーフルオロスルホン酸ポリマーが分散し含有されること
を特徴とする固体高分子電解質型燃料電池を提供するも
のである。The present invention has been made to solve the above-mentioned problems, and is a fuel in which a cation exchange membrane composed of a perfluorocarbon polymer having a sulfonic acid group is used as a solid polymer electrolyte type. In the battery, a perfluorosulfonic acid polymer of a dry resin having an ion exchange capacity of 0.95 to 1.6 meq / g is dispersed and contained in the gas diffusion electrode adhered to the surface of the cation exchange membrane. The present invention provides a characteristic solid polymer electrolyte fuel cell.
【０００６】本発明でガス拡散電極中に分散し含有され
るパーフルオロスルホン酸ポリマーのイオン交換容量は
０．９５〜１．６ミリ当量／ｇ乾燥樹脂、特には１．０
〜１．５ミリ当量／ｇ乾燥樹脂が好ましい。The ion exchange capacity of the perfluorosulfonic acid polymer dispersed and contained in the gas diffusion electrode in the present invention is 0.95 to 1.6 meq / g dry resin, especially 1.0.
~ 1.5 meq / g dry resin is preferred.
【０００７】パーフルオロスルホン酸ポリマーは、ポリ
マー自体の粉末がガス拡散電極中に分散し含有されるこ
と、或いは白金などの触媒微粒子等を担持させたカーボ
ンブラックなど炭素粉末に予めコーティングさせてガス
拡散電極中に分散し含有されることの何れも採用可能で
ある。更には、場合によって使用される、ポリプロピレ
ン、ポリスチレン、ポリメタクリル酸メチル、フェノー
ル樹脂、ポリスルホン等の有機系高分子の微粒子や、Ｓ
ｉＯ2 、ＴｉＯ2 、ＺｒＯ2 等の無機化合物の微粒子に
予めコーティングし、ガス拡散電極中に分散し含有され
ることも採用可能である。The perfluorosulfonic acid polymer is a powder of the polymer itself dispersed and contained in the gas diffusion electrode, or a carbon powder such as carbon black carrying catalyst fine particles such as platinum is coated in advance for gas diffusion. Any of dispersed and contained in the electrode can be adopted. Furthermore, fine particles of organic polymers such as polypropylene, polystyrene, polymethylmethacrylate, phenol resin, polysulfone, etc., which are used depending on the case, and S
It is also possible to employ a method in which fine particles of an inorganic compound such as iO 2 , TiO 2 and ZrO 2 are coated beforehand and dispersed and contained in the gas diffusion electrode.
【０００８】パーフルオロスルホン酸ポリマーをガス拡
散電極中に、分散含有させる方法としては、ロールプレ
ス等により多孔質体でシート状のガス拡散電極を得る前
に、パーフルオロスルホン酸ポリマーの粉末或いは溶液
を電極原料物に混合する方法や、シート状のガス拡散電
極を得た後に電極をパーフルオロスルホン酸ポリマーの
溶液中に浸漬する方法、何れも採用可能である。As a method of dispersing and containing the perfluorosulfonic acid polymer in the gas diffusion electrode, a powder or solution of the perfluorosulfonic acid polymer is obtained before obtaining a sheet-like gas diffusion electrode with a porous material by roll pressing or the like. Any of a method of mixing the above with an electrode raw material or a method of obtaining a sheet-shaped gas diffusion electrode and then immersing the electrode in a solution of a perfluorosulfonic acid polymer can be adopted.
【０００９】本発明でガス拡散電極中に分散し含有され
るパーフルオロスルホン酸ポリマーの量としては、電極
作製に用いるカーボンブラックに対し５〜３０重量％、
特には８〜２０重量％であることが好ましい。上記範囲
より小さい場合には、パーフルオロスルホン酸ポリマー
を含有させた効果が小さく、一方上限値より大きい場合
は、カーボンブラックが塊状になりやすく電極作製にお
ける操作性が低下する。In the present invention, the amount of the perfluorosulfonic acid polymer dispersed and contained in the gas diffusion electrode is 5 to 30% by weight based on the carbon black used for producing the electrode.
It is particularly preferably 8 to 20% by weight. If it is less than the above range, the effect of incorporating the perfluorosulfonic acid polymer is small, while if it is more than the upper limit, the carbon black tends to be lumpy and the operability in electrode production is deteriorated.
【００１０】本発明に用いられるパーフルオロスルホン
酸ポリマーとしては、テトラフルオロエチレンとＣＦ2
＝ＣＦ−（ＯＣＦ2 ＣＦＸ）m −Ｏq −（ＣＦ2 ）n −
Ａ（式中ｍ＝０〜３、ｎ＝０〜１２、ｑ＝０又は１、Ｘ
＝Ｆ又はＣＦ3 、Ａ＝スルホン酸型官能基）で表される
フルオロビニル化合物との共重合体が好ましく採用可能
である。The perfluorosulfonic acid polymer used in the present invention includes tetrafluoroethylene and CF 2
= CF- (OCF 2 CFX) m -O q - (CF 2) n -
A (in the formula, m = 0 to 3, n = 0 to 12, q = 0 or 1, X
= F or CF 3 , A = a copolymer with a fluorovinyl compound represented by a sulfonic acid type functional group) can be preferably used.
【００１１】上記フルオロビニル化合物の好ましい例と
しては、 ＣＦ2 ＝ＣＦＯ（ＣＦ2 ）1-8 ＳＯ2 Ｆ ＣＦ2 ＝ＣＦＯＣＦ2 ＣＦ（ＣＦ3 ）Ｏ（ＣＦ2 ）1-8 ＳＯ2 Ｆ ＣＦ2 ＝ＣＦ（ＣＦ2 ）0-8 ＳＯ2 Ｆ ＣＦ2 ＝ＣＦ（ＯＣＦ2 ＣＦ（ＣＦ3 ））1-5 Ｏ（ＣＦ2 ）2 ＳＯ2 Ｆ などが挙げられる。Preferred examples of the fluorovinyl compound include CF 2 ═CFO (CF 2 ) 1-8 SO 2 F CF 2 ═CFOCF 2 CF (CF 3 ) O (CF 2 ) 1-8 SO 2 F CF 2 = CF (CF 2) 0-8 SO 2 F CF 2 = CF (OCF 2 CF (CF 3)) , such as 1-5 O (CF 2) 2 SO 2 F and the like.
【００１２】なお、スルホン酸基を有するフルオロカー
ボン重合体を構成するモノマーである上記テトラフルオ
ロエチレンの代わりにヘキサフルオロプロピレン、クロ
ロトリフルオロエチレン、パーフルオロアルコキシビニ
ルエーテルの如きパーフルオロオレフィンを用いること
も可能である。It is also possible to use hexafluoropropylene, chlorotrifluoroethylene, perfluoroolefins such as perfluoroalkoxy vinyl ether instead of tetrafluoroethylene which is a monomer constituting the fluorocarbon polymer having a sulfonic acid group. is there.
【００１３】本発明の、イオン交換容量が０．９５〜
１．６ミリ当量／ｇ乾燥樹脂のパーフルオロスルホン酸
ポリマーが分散し含有されるガス拡散電極は、通常の既
知の手法に従ってその表面に陽イオン交換膜を加熱プレ
ス法等により密着させ、次いで集電体を取り付け、燃料
電池として組み立てられる。The ion exchange capacity of the present invention is 0.95 to
A gas diffusion electrode in which a perfluorosulfonic acid polymer of 1.6 meq / g dry resin is dispersed and contained is adhered with a cation exchange membrane on the surface thereof by a hot pressing method or the like according to a generally known method, and then collected. An electric body is attached and it is assembled as a fuel cell.
【００１４】スルホン酸型パーフルオロカーボン重合体
からなる陽イオン交換膜は、フィブリル状、織布状、又
は不織布状のパーフルオロカーボン重合体で補強するこ
ともできる。The cation exchange membrane composed of a sulfonic acid type perfluorocarbon polymer can be reinforced with a fibril-like, woven fabric-like or non-woven fabric-like perfluorocarbon polymer.
【００１５】集電体は燃料ガス又は酸化剤ガスの通路と
なる溝が形成された導電性カーボン板等が用いられる。As the current collector, a conductive carbon plate or the like in which a groove serving as a passage for fuel gas or oxidant gas is formed is used.
【００１６】[0016]
【作用】本発明で良好な効果が達成される機構は必ずし
も明らかではないが、電極中に陽イオン交換膜と同等の
特性を有するパーフルオロスルホン酸ポリマーを分散し
含有させることにより、電極との接触を確実にして電極
反応の効率が高められると考えられる。The mechanism by which the good effect is achieved in the present invention is not always clear, but by dispersing and containing a perfluorosulfonic acid polymer having the same characteristics as the cation exchange membrane in the electrode, It is considered that the contact is ensured and the efficiency of the electrode reaction is enhanced.
【００１７】[0017]
【実施例】実施例１ 特開平２−８８６４５号公報に記載されている方法に準
拠し、ＣＦ2 ＝ＣＦ2とＣＦ2 ＝ＣＦＯ（ＣＦ2 ＣＦＣ
Ｆ3 ）Ｏ（ＣＦ2 ）2 ＳＯ2 Ｆとの共重合体からなるイ
オン交換容量１．１ミリ当量／ｇ乾燥樹脂の共重合体を
得た。この共重合体の一部を２２０℃で押し出し製膜
し、厚さ１００μｍのフィルムを得た。EXAMPLES Example 1 Based on the method described in Japanese Patent Application Laid-Open No. 2-88645, CF 2 = CF 2 and CF 2 = CFO (CF 2 CFC
A copolymer of F 3 ) O (CF 2 ) 2 SO 2 F and an ion exchange capacity of 1.1 meq / g dry resin was obtained. A part of this copolymer was extruded at 220 ° C. to form a film, to obtain a film having a thickness of 100 μm.
【００１８】上記の共重合体フィルムを、ジメチルスル
ホキシド３０重量％、苛性カリ１５重量％との混合水溶
液中で加水分解を行い、水洗した後１Ｎの塩酸中に浸漬
した。次に膜を水洗し、膜の四辺を専用治具で拘束した
後６０℃、１時間乾燥し陽イオン交換膜を製造した。The above-mentioned copolymer film was hydrolyzed in a mixed aqueous solution of 30% by weight of dimethyl sulfoxide and 15% by weight of caustic potash, washed with water and then immersed in 1N hydrochloric acid. Next, the membrane was washed with water, the four sides of the membrane were restrained with dedicated jigs, and then dried at 60 ° C. for 1 hour to produce a cation exchange membrane.
【００１９】上で得られたイオン交換容量１．１ミリ当
量／ｇ乾燥樹脂の粉体を上記と同様な処理を施し酸型の
ポリマーを得た。通常の既知の手法に従って、水とエタ
ノールとの重量比が１：１の混合溶媒であるパーフルオ
ロスルホン酸ポリマー溶液を得た。The ion-exchange capacity of 1.1 meq / g dry resin powder obtained above was treated in the same manner as above to obtain an acid type polymer. A perfluorosulfonic acid polymer solution, which is a mixed solvent of water and ethanol in a weight ratio of 1: 1 was obtained according to a commonly known method.
【００２０】白金触媒微粒子を担持させたカーボンブラ
ックに、パーフルオロスルホン酸ポリマー溶液を混合し
た後、乾燥し、パーフルオロスルホン酸ポリマーでコー
ティングされた白金触媒担持のカーボンブラックを得
た。パーフルオロスルホン酸ポリマーはカーボンブラッ
クに対し１０重量％混合したことになる。The carbon black supporting the platinum catalyst fine particles was mixed with a perfluorosulfonic acid polymer solution and then dried to obtain a platinum catalyst supporting carbon black coated with the perfluorosulfonic acid polymer. The perfluorosulfonic acid polymer was mixed in 10% by weight with respect to carbon black.
【００２１】上記のカーボンブラック粉末にポリテトラ
フルオロエチレンを混入し、ロールプレスを用いて厚さ
２５０μｍのシート状のガス拡散電極を作製した。この
２枚のガス拡散電極の間に、上記陽イオン交換膜を挿入
し平板熱プレス機を用いて積層することにより膜電極接
合体を作製した。膜電極接合体の白金触媒量は膜面積１
ｃｍ2 当たり１ｍｇであった。Polytetrafluoroethylene was mixed into the above carbon black powder, and a sheet-like gas diffusion electrode having a thickness of 250 μm was produced by using a roll press. The cation exchange membrane was inserted between the two gas diffusion electrodes and laminated using a flat plate heat press to prepare a membrane electrode assembly. The amount of platinum catalyst in the membrane electrode assembly is 1 membrane area
It was 1 mg per cm 2 .
【００２２】次に、膜電極接合体をチタン製の集電体、
ポリテトラフルオロエチレン（ＰＴＦＥ）製のガス供給
室、ヒーターの順番で両側からはさみ、有効膜面積９ｃ
ｍ2の燃料電池を組み上げた セルの温度を６０℃に保
ち、正極に酸素、負極に水素をそれぞれ１気圧で供給し
たときの電流密度に対する端子電圧を測定したところ、
電流密度０．４Ａ／ｃｍ2 でセル電圧０．７０Ｖであっ
た。Next, the membrane electrode assembly was replaced with a titanium current collector,
A gas supply chamber made of polytetrafluoroethylene (PTFE) and a heater in this order, sandwiched from both sides, effective film area 9c
The temperature of the cell assembled with the m 2 fuel cell was maintained at 60 ° C., and the terminal voltage was measured with respect to the current density when oxygen was supplied to the positive electrode and hydrogen was supplied to the negative electrode at 1 atm, respectively.
The cell voltage was 0.70 V at a current density of 0.4 A / cm 2 .
【００２３】比較例１ 特開平２−８８６４５号公報に記載されている方法に準
拠し、ＣＦ2 ＝ＣＦ2とＣＦ2 ＝ＣＦＯ（ＣＦ2 ＣＦＣ
Ｆ3 ）Ｏ（ＣＦ2 ）2 ＳＯ2 Ｆとの共重合体からなるイ
オン交換容量０．９ミリ当量／ｇ乾燥樹脂の共重合体を
得た。この共重合体をを実施例１と同様な処理を施し酸
型のポリマーを得た。次に通常の既知の手法に従って、
水とエタノールとの重量比が１：１の混合溶媒であるパ
ーフルオロスルホン酸ポリマー溶液を得た。Comparative Example 1 CF 2 ═CF 2 and CF 2 ═CFO (CF 2 CFC) based on the method described in JP-A-2-88645.
A copolymer of F 3 ) O (CF 2 ) 2 SO 2 F and a dry resin having an ion exchange capacity of 0.9 meq / g was obtained. This copolymer was treated in the same manner as in Example 1 to obtain an acid type polymer. Then, according to the usual known methods,
A perfluorosulfonic acid polymer solution, which was a mixed solvent of water and ethanol in a weight ratio of 1: 1 was obtained.
【００２４】実施例１において、白金触媒担持のカーボ
ンブラックに上記のパーフルオロスルホン酸ポリマー溶
液で処理することを除いて、同様の手法により厚さ２５
０μｍのシート状のガス拡散電極を作製した。A thickness of 25 was obtained in the same manner as in Example 1 except that the platinum catalyst-supporting carbon black was treated with the above perfluorosulfonic acid polymer solution.
A 0 μm sheet-shaped gas diffusion electrode was produced.
【００２５】実施例１と同一なイオン交換容量１．１ミ
リ当量／ｇ乾燥樹脂の陽イオン交換膜を用い、同様な方
法により膜電極接合体を作製し燃料電池を組み上げた
後、同様な条件下で電流密度に対する端子電圧を測定し
たところ電流密度０．４Ａ／ｃｍ2 でセル電圧０．６５
Ｖであった。Using the same ion exchange capacity of 1.1 meq / g dry resin cation exchange membrane as in Example 1, a membrane electrode assembly was prepared by the same method and a fuel cell was assembled. When the terminal voltage with respect to the current density was measured below, the cell voltage was 0.65 at a current density of 0.4 A / cm 2.
It was V.
【００２６】上記の結果からわかるように、実施例１の
ガス拡散電極は比較例１の電極に比べ、燃料電池を組み
上げたときのエネルギー損失が小さい。As can be seen from the above results, the gas diffusion electrode of Example 1 has a smaller energy loss when the fuel cell is assembled than the electrode of Comparative Example 1.
【００２７】[0027]
【発明の効果】ガス拡散電極中に、パーフルオロスルホ
ン酸ポリマーを分散、含有させることにより、エネルギ
ー損失が小さい高性能の固体高分子電解質型燃料電池が
得られる。EFFECT OF THE INVENTION By dispersing and containing a perfluorosulfonic acid polymer in the gas diffusion electrode, a high performance solid polymer electrolyte fuel cell with a small energy loss can be obtained.
Claims (4)
ン重合体からなる陽イオン交換膜を固体高分子電解質型
とする燃料電池において、上記陽イオン交換膜の表面に
密着されるガス拡散電極中に、イオン交換容量が０．９
５〜１．６ミリ当量／ｇ乾燥樹脂のパーフルオロスルホ
ン酸ポリマーが分散し含有されることを特徴とする固体
高分子電解質型燃料電池。1. A fuel cell in which a cation exchange membrane made of a perfluorocarbon polymer having a sulfonic acid group is a solid polymer electrolyte type, and ions are added in a gas diffusion electrode that is in close contact with the surface of the cation exchange membrane. Exchange capacity 0.9
A solid polymer electrolyte fuel cell comprising a perfluorosulfonic acid polymer having a dry resin content of 5 to 1.6 meq / g dispersed therein.
９５〜１．６ミリ当量／ｇ乾燥樹脂のパーフルオロスル
ホン酸ポリマーの粉末が分散し含有される請求項１の固
体高分子電解質型燃料電池。2. A gas diffusion electrode having an ion exchange capacity of 0.
The solid polymer electrolyte fuel cell according to claim 1, wherein a powder of perfluorosulfonic acid polymer of 95 to 1.6 meq / g dry resin is dispersed and contained.
９５〜１．６ミリ当量／ｇ乾燥樹脂のパーフルオロスル
ホン酸ポリマーで予めコーティングされたカーボンブラ
ック粉末が分散し含有される請求項１の固体高分子電解
質型燃料電池。3. A gas diffusion electrode having an ion exchange capacity of 0.
The solid polymer electrolyte fuel cell according to claim 1, wherein carbon black powder precoated with a perfluorosulfonic acid polymer having a dry resin content of 95 to 1.6 meq / g is dispersed and contained.
＝ＣＦ2 とＣＦ2 ＝ＣＦ−（ＯＣＦ2 ＣＦＸ）m −Ｏq
−（ＣＦ2 ）n −Ａ（式中ｍ＝０〜３、ｎ＝０〜１２、
ｑ＝０又は１、Ｘ＝Ｆ又はＣＦ3 、Ａ＝スルホン酸型官
能基）との共重合体である請求項１，２又は３の固体高
分子電解質型燃料電池。4. The perfluorosulfonic acid polymer is CF 2
= CF 2 and CF 2 = CF- (OCF 2 CFX ) m -O q
- (CF 2) n -A (wherein m = 0~3, n = 0~12,
The solid polymer electrolyte fuel cell according to claim 1, which is a copolymer with q = 0 or 1, X = F or CF 3 , and A = sulfonic acid type functional group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5067647A JPH06260185A (en) | 1993-03-03 | 1993-03-03 | Fuel cell with solid highpolymer electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5067647A JPH06260185A (en) | 1993-03-03 | 1993-03-03 | Fuel cell with solid highpolymer electrolyte |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004292617A Division JP3675473B2 (en) | 2004-10-05 | 2004-10-05 | Method for producing solid polymer electrolyte fuel cell |
| JP2006119345A Division JP2006253155A (en) | 2006-04-24 | 2006-04-24 | Solid polymer electrolyte fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06260185A true JPH06260185A (en) | 1994-09-16 |
Family
ID=13351027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5067647A Pending JPH06260185A (en) | 1993-03-03 | 1993-03-03 | Fuel cell with solid highpolymer electrolyte |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06260185A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5882810A (en) * | 1996-03-08 | 1999-03-16 | The Dow Chemicalcompany | Active layer for membrane electrode assembly |
| WO2006019097A1 (en) * | 2004-08-18 | 2006-02-23 | Asahi Glass Company, Limited | Electrolyte polymer for fuel cell, method for producing same, electrolyte membrane, and membrane electrode assembly |
| WO2008084701A1 (en) | 2007-01-10 | 2008-07-17 | Asahi Glass Company, Limited | Solid polymer electrolyte membrane and membrane electrode assembly for solid polymer fuel cell |
| US8361677B2 (en) | 2006-10-23 | 2013-01-29 | Asahi Glass Company, Limited | Membrane/electrode assembly for polymer electrolyte fuel cell |
-
1993
- 1993-03-03 JP JP5067647A patent/JPH06260185A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5882810A (en) * | 1996-03-08 | 1999-03-16 | The Dow Chemicalcompany | Active layer for membrane electrode assembly |
| WO2006019097A1 (en) * | 2004-08-18 | 2006-02-23 | Asahi Glass Company, Limited | Electrolyte polymer for fuel cell, method for producing same, electrolyte membrane, and membrane electrode assembly |
| JPWO2006019097A1 (en) * | 2004-08-18 | 2008-05-08 | 旭硝子株式会社 | ELECTROLYTE POLYMER FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, ELECTROLYTE MEMBRANE, AND MEMBRANE / ELECTRODE ASSEMBLY |
| US7838167B2 (en) | 2004-08-18 | 2010-11-23 | Asahi Glass Company, Limited | Electrolyte polymer for fuel cells, process for its production, electrolyte membrane and membrane/electrode assembly |
| JP5168903B2 (en) * | 2004-08-18 | 2013-03-27 | 旭硝子株式会社 | ELECTROLYTE POLYMER FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, ELECTROLYTE MEMBRANE, AND MEMBRANE / ELECTRODE ASSEMBLY |
| US8361677B2 (en) | 2006-10-23 | 2013-01-29 | Asahi Glass Company, Limited | Membrane/electrode assembly for polymer electrolyte fuel cell |
| WO2008084701A1 (en) | 2007-01-10 | 2008-07-17 | Asahi Glass Company, Limited | Solid polymer electrolyte membrane and membrane electrode assembly for solid polymer fuel cell |
| US8178257B2 (en) | 2007-01-10 | 2012-05-15 | Asahi Glass Company, Limited | Polymer electrolyte membrane and membrane/electrode assembly for polymer electrolyte fuel cell |
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