JPH0935726A - Gas plate, cooling plate for fuel cell, and fuel cell - Google Patents
Gas plate, cooling plate for fuel cell, and fuel cellInfo
- Publication number
- JPH0935726A JPH0935726A JP7203772A JP20377295A JPH0935726A JP H0935726 A JPH0935726 A JP H0935726A JP 7203772 A JP7203772 A JP 7203772A JP 20377295 A JP20377295 A JP 20377295A JP H0935726 A JPH0935726 A JP H0935726A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- plate
- fuel cell
- cooling water
- passage groove
- 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
- 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燃
料電池のガスプレート、冷却プレートの改良及びそれを
用いた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 an improved gas plate and cooling plate for a solid polymer electrolyte fuel cell, and a fuel cell using the same.
【０００２】[0002]
【従来の技術】従来より固体高分子電解質型燃料電池の
スタックに於いては、図９に示すようにナフィオン膜１
の両面にシール材２を介在して中間プレートであるカー
ボンプレートからなるガスプレート３や冷却プレート４
を配している。ところで、上記のガスプレート３や冷却
プレート４にあっては、夫々のガス通路溝５や冷却水通
路溝６にガスや冷却水が流通すると、ナフィオン膜１及
びその両面のシール材２が下側のガス通路溝５或いは冷
却水通路溝６の端部に図10に示すようにたれ込み、上側
のガスプレート３との間に隙間７が生じ、ガス通路溝５
内のガスがリークするようになる。2. Description of the Related Art Conventionally, in a stack of a solid polymer electrolyte fuel cell, as shown in FIG.
A gas plate 3 and a cooling plate 4 each made of a carbon plate which is an intermediate plate with a sealing material 2 interposed on both sides of
Is arranged. By the way, in the gas plate 3 and the cooling plate 4, when the gas and the cooling water flow through the gas passage groove 5 and the cooling water passage groove 6, respectively, the Nafion membrane 1 and the sealing materials 2 on both sides thereof are located on the lower side. As shown in FIG. 10, the gas passage groove 5 or the cooling water passage groove 6 of FIG.
The gas inside will leak.
【０００３】[0003]
【発明が解決しようとする課題】そこで本発明は、ナフ
ィオン膜及びその両面のパッキンが、ガス通路溝や冷却
水通路溝の端部にたれ込むのを防止し、ガスリーク及び
冷却水のもれを防止することができるようにした燃料電
池用ガスプレート、冷却プレート及び燃料電池を提供し
ようとするものである。Therefore, the present invention prevents the Nafion membrane and the packings on both sides thereof from dripping into the end portions of the gas passage groove and the cooling water passage groove, and prevents gas leakage and cooling water leakage. An object of the present invention is to provide a fuel cell gas plate, a cooling plate, and a fuel cell that can be prevented.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
の本発明の燃料電池用ガスプレートは、固体高分子電解
質型燃料電池のガスプレートに於いて、ガスマニホール
ドと連なるガス通路溝のガス導入端部及びガス排出端部
を平板で覆うと共にトンネル構造としたことを特徴とす
るものである。本発明の燃料電池用冷却プレートは、固
体高分子電解質型燃料電池の冷却プレートに於いて、マ
ニホールドと連なる冷却水通路溝の冷却水導入端部及び
冷却水排水端部を平板で覆うと共にトンネル構造とした
ことを特徴とするものである。本発明の燃料電池は、上
記燃料電池用ガスプレートと燃料電池用冷却プレートを
用い、適宜パッキン、ナフィオン膜を介在して積層し、
組立構成したものである。A gas plate for a fuel cell according to the present invention for solving the above problems is a gas plate for a solid polymer electrolyte fuel cell, in which gas is introduced into a gas passage groove connected to a gas manifold. It is characterized in that the end portion and the gas discharge end portion are covered with a flat plate and have a tunnel structure. A cooling plate for a fuel cell of the present invention is a cooling plate for a solid polymer electrolyte fuel cell, in which a cooling water introducing end and a cooling water draining end of a cooling water passage groove connected to a manifold are covered with a flat plate and have a tunnel structure. It is characterized by that. The fuel cell of the present invention uses the fuel cell gas plate and the fuel cell cooling plate, and appropriately stacks them with a Nafion membrane interposed therebetween,
It is an assembled structure.
【０００５】[0005]
【作用】上記のように構成された本発明の燃料電池用ガ
スプレートは、ガス通路溝のガス導入端部及びガス排出
端部が、また本発明の燃料電池用冷却プレートは、冷却
水通路溝の冷却水導入端部及び冷却水排出端部が、各々
平板にて覆われて平坦となっているので、これらを積層
して組み立てた燃料電池に於いては、ナフィオン膜及び
その両面のパッキンが、ガス通路溝の両端部や冷却水通
路溝の両端部にたれ込むことが無いので、上側のプレー
トとの間に隙間が生ぜず、上側のプレートのガス通路溝
内のガスがリーク及び冷却水もれすることが無い。In the fuel cell gas plate of the present invention constructed as described above, the gas introduction end and the gas discharge end of the gas passage groove are formed, and the fuel cell cooling plate of the present invention is formed in the cooling water passage groove. Since the cooling water inlet end and the cooling water discharge end of each are flat by being covered with flat plates, in a fuel cell assembled by stacking these, the Nafion membrane and packings on both sides thereof are Since it does not fall into both ends of the gas passage groove or both ends of the cooling water passage groove, no gap is created between the upper plate and the gas passage groove of the upper plate, and the gas leaks and cools. There is no leakage.
【０００６】[0006]
【実施例】本発明の燃料電池用ガスプレートの一実施例
を図によって説明すると、図１に示す固体高分子電解質
型燃料電池のガスプレート３に於いて、左右両側部のガ
スマニホールド８、８と表面で直角に連なる多数の平行
なＨ2 ガスのガス通路溝５のガス導入端部９及びガス排
出端部10に、ガス通路溝５の２倍の深さの凹部11を設け
ると共に各凹部11の両側にガス通路溝５と同じ深さで、
且つ凹部11の長さよりは短い幅でガスマニホールド８、
８と平行に段部12を設け、この段部12に帯状の平板13を
嵌合固定して、前記ガス導入端部９及びガス排出端部10
を平板13で覆うと共に、凹部11によりトンネル構造とし
てある。また、図２に示すようにこのガスプレート３の
裏面で上下両側部のガスマニホールド14、14と直角に連
なる多数の平行なＯ2 ガスのガス通路溝15のガス導入端
部16及びガス排出端部17に、ガス通路溝15の２倍の深さ
の凹部18を設けると共に各凹部18の両側をガス通路溝15
と同じ深さで且つ凹部18の長さよりは短い幅でガスマニ
ホールド14、14と平行に段部19を設け、この段部19に帯
状の平板20を嵌合固定して、前記ガス導入端部16及びガ
ス排出端部17を平板20で覆うと共に凹部18によりトンネ
ル構造としてある。EXAMPLE An example of the gas plate for a fuel cell of the present invention will be described with reference to the drawings. In the gas plate 3 of the solid polymer electrolyte fuel cell shown in FIG. And a plurality of parallel gas passage grooves 5 for H 2 gas, which are connected at right angles on the surface, are provided with recesses 11 having a depth twice that of the gas passage grooves 5 at the gas introduction end 9 and the gas discharge end 10. At the same depth as the gas passage groove 5 on both sides of 11,
The width of the gas manifold 8 is shorter than the length of the recess 11,
8 is provided with a step portion 12 in parallel, a strip-shaped flat plate 13 is fitted and fixed to the step portion 12, and the gas introduction end portion 9 and the gas discharge end portion 10 are provided.
Is covered with a flat plate 13 and a recess 11 forms a tunnel structure. Further, as shown in FIG. 2, a plurality of gas passage grooves 15 for parallel O 2 gas, which are connected to the gas manifolds 14 at the upper and lower sides on the back surface of the gas plate 3 at right angles, are provided with gas introduction ends 16 and gas discharge ends. A recess 18 having a depth twice that of the gas passage groove 15 is provided in the portion 17, and both sides of each recess 18 are provided on both sides of the recess 18.
A step portion 19 is provided in parallel with the gas manifolds 14 and 14 with the same depth as and a width shorter than the length of the concave portion 18, and a band-shaped flat plate 20 is fitted and fixed to the step portion 19, and the gas introduction end portion is provided. The flat plate 20 covers the gas discharge end 16 and the gas discharge end 17, and the recess 18 forms a tunnel structure.
【０００７】次に本発明の燃料電池用冷却プレートの一
実施例を図によって説明すると、図３に示す固体高分子
電解質型燃料電池の冷却プレート４に於いて、左側上部
の冷却水マニホールド21、右側下部の冷却水マニホール
ド22と表面で斜めに中央部の冷却水通路溝23と連なる冷
却水導入路24及び冷却水排出路25の端部に、２倍の深さ
でそれよりは短い長さの凹部26を設けると共に、各凹部
26の両側に冷却水導入路24及び冷却水排出路25と同じ深
さで且つ広い幅で段部27を設け、この段部27に平板28を
嵌合固定して、前記冷却水導入路24及び冷却水排出路25
の端部を平板28で覆うと共に凹部26によりトンネル構造
にしてある。また、図４に示すようにこの冷却プレート
４の裏面で上下両側のガスマニホールド14′、14′と直
角に連なる多数の平行なＨ2 ガス又はＯ2 ガス通路溝1
5′のガス導入端部16′及びガス排出端部17′にガス通
路溝15′の２倍の深さの凹部18′を設けると共に各凹部
18′の両側をガス通路溝15′と同じ深さで且つ凹部18′
の長さよりは短い幅でガスマニホールド14′、14′と平
行に段部19′を設け、この段部19′に帯状の平板20′を
嵌合固定して前記ガス導入端部16′及びガス排出端部1
7′を平板20′で覆うとともに凹部18′によりトンネル
構造にしてある。Next, one embodiment of the cooling plate for a fuel cell of the present invention will be described with reference to the drawings. In the cooling plate 4 of the solid polymer electrolyte fuel cell shown in FIG. At the end of the cooling water inlet channel 24 and the cooling water outlet channel 25, which are connected to the cooling water manifold 22 at the lower right side and the cooling water channel 23 at the center obliquely on the surface, double the depth and shorter than that. The recess 26 is provided and each recess
Stepped portions 27 having the same depth and wide width as the cooling water introduction passage 24 and the cooling water discharge passage 25 are provided on both sides of the 26, and a flat plate 28 is fitted and fixed to the stepped portions 27, and the cooling water introduction passage 24 is formed. And cooling water discharge channel 25
A flat plate 28 covers the end of the and the recess 26 forms a tunnel structure. Further, as shown in FIG. 4, a large number of parallel H 2 gas or O 2 gas passage grooves 1 are formed on the back surface of the cooling plate 4 so as to extend perpendicularly to the gas manifolds 14 ', 14' on both upper and lower sides.
The gas introduction end 16 'and the gas discharge end 17' of the 5'are provided with a recess 18 'having a depth twice that of the gas passage groove 15' and each recess.
Both sides of 18 'have the same depth as the gas passage groove 15' and a recess 18 '.
A step portion 19 'having a width shorter than the length of the gas manifold 14', 14 'in parallel with the gas manifold 14', 14 ' Discharge end 1
7'is covered with a flat plate 20 ', and a recess 18' forms a tunnel structure.
【０００８】然して上記のように構成された実施例の燃
料電池用ガスプレート及び燃料電池用冷却プレートを用
い、夫々の図１に示すガス通路溝５側の面と図３に示す
冷却水通路溝23側の面との間に、両面に図５に示すパッ
キン（シールプレート）29を配した図６に示すようにナ
フィオン膜30を介在して積層し、締付け一体化して図７
に示す単層の燃料電池31を製作した。Therefore, using the fuel cell gas plate and the fuel cell cooling plate of the embodiment configured as described above, the surface on the gas passage groove 5 side shown in FIG. 1 and the cooling water passage groove shown in FIG. 3 are used. As shown in FIG. 6, in which the packing (seal plate) 29 shown in FIG. 5 is arranged on both sides between the 23 side and the Nafion film 30, the Nafion film 30 is laminated and tightened to be integrated.
A single-layer fuel cell 31 shown in was produced.
【０００９】また、同様に多数積層し、締付け一体化し
て図８に示す多層（10層）の燃料電池32を製作した。こ
のように製作した単層及び多層の燃料電池31、32に於い
ては、ガスプレート３のガス通路溝５、15のガス導入端
部９、16及びガス排出端部10、17が、また冷却プレート
４の冷却水通路溝23の冷却水導入路24及び冷却水排出路
25の端部と、ガス通路溝15′のガス導入端部16′及びガ
ス排出端部17′が、各々平板20、20′に覆われて平坦と
なっているので、ナフィオン膜30及びその両面のパッキ
ン（シールプレート）29が、ガス通路溝５のガス導入端
部９及びガス排出端部10や冷却水通路溝23の冷却水導入
路24及び冷却水排出路25の端部にたれ込むことが無い。
従って、上側のプレートとの間に隙間が生ぜず、上側の
プレートのガス通路溝内を流れるガスがリークすること
が無い。Similarly, a large number of fuel cells 32 are laminated and fastened to form a multi-layer (10 layers) fuel cell 32 shown in FIG. In the single-layer and multi-layer fuel cells 31 and 32 manufactured as described above, the gas introduction ends 9 and 16 and the gas discharge ends 10 and 17 of the gas passage grooves 5 and 15 of the gas plate 3 are also cooled. Cooling water introduction passage 24 and cooling water discharge passage of the cooling water passage groove 23 of the plate 4
Since the end portion of 25 and the gas introduction end portion 16 'and the gas discharge end portion 17' of the gas passage groove 15 'are covered with the flat plates 20 and 20' to be flat, the Nafion film 30 and both surfaces thereof are formed. The packing (seal plate) 29 of the above-mentioned structure leans into the gas introduction end portion 9 and the gas discharge end portion 10 of the gas passage groove 5 and the end portions of the cooling water introduction passage 24 and the cooling water discharge passage 25 of the cooling water passage groove 23. There is no.
Therefore, a gap is not formed between the upper plate and the gas flowing in the gas passage groove of the upper plate does not leak.
【００１０】そして、ガスプレート３のガス通路溝５、
15を流れるＨ2 、Ｏ2 ガスや冷却プレート４の冷却水通
路溝23を流れる冷却水、ガス通路溝15′を流れるＨ2 又
はＯ2 ガスは、夫々の導入端部、排出端部で平板13、2
0、28、20′の下側のトンネルである凹部11、18、26、1
8′を通って流れるので、何ら支障は無い。The gas passage groove 5 of the gas plate 3,
The H 2 and O 2 gas flowing through 15, the cooling water flowing through the cooling water passage groove 23 of the cooling plate 4, and the H 2 or O 2 gas flowing through the gas passage groove 15 ′ are flat plates at their respective inlet and outlet ends. 13, 2
Recesses 11, 18, 26, 1 which are the lower tunnels of 0, 28, 20 '
It flows through 8 ', so there is no problem.
【００１１】[0011]
【発明の効果】以上の説明で判るように本発明の燃料電
池用ガスプレートや冷却プレートは、ガス通路溝の両端
部、冷却水通路溝の両端部が夫々平板にて覆われて平坦
に形成されると共にトンネル構造となっているので、こ
れらを用いパッキン（シールプレート）、ナフィオン膜
を介在して積層し、締付け一体化して組み立てた本発明
の燃料電池に於いては、ナフィオン膜及びその両面のパ
ッキン（シールプレート）がガス通路溝や冷却水通路溝
の両端部にたれ込むのが防止とされ、隙間の発生が無い
ので、ガスリーク及び冷却水のもれが防止される。As can be seen from the above description, in the fuel cell gas plate and cooling plate of the present invention, both ends of the gas passage groove and both ends of the cooling water passage groove are formed flat by being covered with a flat plate. The fuel cell of the present invention has a tunnel structure and a packing (seal plate) and a Nafion membrane interposed therebetween, and is assembled by tightening and integrating the Nafion membrane and both surfaces thereof. The packing (seal plate) is prevented from falling into both ends of the gas passage groove or the cooling water passage groove, and no gap is generated, so that gas leakage and cooling water leakage are prevented.
【図１】本発明の燃料電池用ガスプレートの一実施例を
示す表面側の斜視図である。FIG. 1 is a front side perspective view showing an embodiment of a fuel cell gas plate of the present invention.
【図２】図１の燃料電池用ガスプレートの裏面側の斜視
図である。FIG. 2 is a perspective view of a back surface side of the fuel cell gas plate of FIG.
【図３】本発明の燃料電池用冷却プレートの一実施例を
示す表面側の斜視図である。FIG. 3 is a front perspective view showing an embodiment of a fuel cell cooling plate of the present invention.
【図４】図３の燃料電池用冷却プレートの裏面側の斜視
図である。FIG. 4 is a perspective view of the back surface side of the fuel cell cooling plate of FIG.
【図５】パッキン（シールプレート）を示す図である。FIG. 5 is a view showing a packing (seal plate).
【図６】両面にパッキン（シールプレート）を配したナ
フィオン膜を示す斜視図である。FIG. 6 is a perspective view showing a Nafion membrane having packings (seal plates) on both sides.
【図７】本発明による単層の燃料電池を示す図である。FIG. 7 shows a single layer fuel cell according to the present invention.
【図８】本発明による多層の燃料電池を示す図である。FIG. 8 shows a multi-layer fuel cell according to the present invention.
【図９】従来の固体高分子電解質型燃料電池のスタック
に於けるガスプレートや冷却プレートの部分断面図であ
る。FIG. 9 is a partial cross-sectional view of a gas plate and a cooling plate in a stack of a conventional solid polymer electrolyte fuel cell.
【図10】図９においてガスリークの生じる状態を示す図
である。FIG. 10 is a diagram showing a state where a gas leak occurs in FIG. 9.
３ ガスプレート ４ 冷却プレート ５、15、15′ ガス通路溝 ８、14、14′ ガスマニホールド ９、16、16′ ガス導入端部 10、17、17′ ガス排出端部 11、18、18′ 凹部 12、19、19′ 段部 13、20、20′ 平板 21、22 冷却水マニホールド 23 冷却水通路溝 24 冷却水導入路 25 冷却水排出路 26 凹部 27 段部 28 平板 29 パッキン（シールプレート） 30 ナフィオン膜 31 単層の燃料電池 32 多層の燃料電池 3 Gas plate 4 Cooling plate 5, 15, 15 'Gas passage groove 8, 14, 14' Gas manifold 9, 16, 16 'Gas inlet end 10, 17, 17' Gas exhaust end 11, 18, 18 'Recess 12, 19, 19 'Step portion 13, 20, 20' Flat plate 21, 22 Cooling water manifold 23 Cooling water passage groove 24 Cooling water inlet passage 25 Cooling water discharge passage 26 Recessed portion 27 Step portion 28 Flat plate 29 Packing (seal plate) 30 Nafion Membrane 31 Single-Layer Fuel Cell 32 Multi-Layer Fuel Cell
Claims (3)
ートに於いて、ガスマニホールドと連なるガス通路溝の
ガス導入端部及びガス排出端部を平板で覆うと共にトン
ネル構造としたことを特徴とする燃料電池用ガスプレー
ト。1. A gas plate for a solid polymer electrolyte fuel cell, characterized in that the gas inlet end and the gas exhaust end of the gas passage groove connected to the gas manifold are covered with a flat plate and have a tunnel structure. Gas plate for fuel cell.
ートに於いて、冷却水マニホールドと連なる冷却水通路
溝の冷却水導入端部及び冷却水排出端部を平板で覆うと
共にトンネル構造としたことを特徴とする燃料電池用冷
却プレート。2. A cooling plate for a solid polymer electrolyte fuel cell, wherein a cooling water inlet end and a cooling water discharge end of a cooling water passage groove connected to a cooling water manifold are covered with a flat plate and have a tunnel structure. A cooling plate for a fuel cell, which is characterized by:
ガス導入端部及びガス排出端部を平板で覆いトンネル構
造としたガスプレートと、マニホールドと連なる冷却水
通路溝の冷却水導入端部及び冷却水排出端部を平板で覆
いトンネル構造とした冷却プレートを用い、適宜パッキ
ン、ナフィオン膜を介在して積層し、組立構成してなる
燃料電池。3. A gas plate having a tunnel structure in which the gas introduction end and the gas discharge end of the gas passage groove connected to the gas manifold are covered with a flat plate, and the cooling water introduction end and the cooling water of the cooling water passage groove connected to the manifold. A fuel cell in which a discharge plate is covered with a flat plate, a cooling plate having a tunnel structure is used, and a packing and a Nafion membrane are appropriately laminated to form a laminated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7203772A JPH0935726A (en) | 1995-07-18 | 1995-07-18 | Gas plate, cooling plate for fuel cell, and fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7203772A JPH0935726A (en) | 1995-07-18 | 1995-07-18 | Gas plate, cooling plate for fuel cell, and fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0935726A true JPH0935726A (en) | 1997-02-07 |
Family
ID=16479551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7203772A Pending JPH0935726A (en) | 1995-07-18 | 1995-07-18 | Gas plate, cooling plate for fuel cell, and fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0935726A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998047197A1 (en) * | 1997-04-15 | 1998-10-22 | Plug Power, L.L.C. | Fuel cell fluid flow plate with insertable fluid flow passage bridgepiece |
| WO2002015312A1 (en) * | 2000-08-17 | 2002-02-21 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte type fuel cell |
| JP2003086203A (en) * | 2001-09-07 | 2003-03-20 | Honda Motor Co Ltd | Fuel cell |
| US6740443B2 (en) | 2000-12-27 | 2004-05-25 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell |
| JP2004342534A (en) * | 2003-05-19 | 2004-12-02 | Yuasa Corp | Liquid fuel type fuel cell |
| JP2004349014A (en) * | 2003-05-20 | 2004-12-09 | Matsushita Electric Ind Co Ltd | Fuel cell |
| JP2005310804A (en) * | 2005-07-21 | 2005-11-04 | Hitachi Ltd | Separator for solid polymer fuel cell, solid polymer fuel cell using the same, and power generation system |
| JP2006086127A (en) * | 2004-09-17 | 2006-03-30 | Samsung Sdi Co Ltd | Fuel cell stack and fuel cell system |
| US7094491B2 (en) | 2001-02-23 | 2006-08-22 | Sanyo Elecrtric Co., Ltd. | Fuel cell |
| DE10257964B4 (en) * | 2002-12-12 | 2006-09-28 | Daimlerchrysler Ag | Fuel cell separator with support for an MEA |
| JP2006278177A (en) * | 2005-03-30 | 2006-10-12 | Honda Motor Co Ltd | Fuel cell |
| EP1717891A1 (en) * | 2005-04-27 | 2006-11-02 | Institute of Nuclear Energy Research | Fluid channel structure for polar plate of fuel cell |
| JP2006331692A (en) * | 2005-05-23 | 2006-12-07 | Inst Nuclear Energy Research Rocaec | Channel structure of fuel cell electrode plate |
| DE10132841B4 (en) * | 2000-07-07 | 2007-08-23 | Nippon Steel Corp. | Separation plate for solid polymer fuel cells and process for their preparation and use of the separation plate in solid polymer fuel cells |
| JP2007250192A (en) * | 2006-03-13 | 2007-09-27 | Toyota Motor Corp | Separator and fuel cell |
| JP2008091104A (en) * | 2006-09-29 | 2008-04-17 | Sanyo Electric Co Ltd | Plate for fuel cell |
| US7494737B2 (en) | 2005-12-08 | 2009-02-24 | Panasonic Corporation | Fuel cell having manifold apertures and cover plates |
| JP2018107109A (en) * | 2016-12-22 | 2018-07-05 | 國立臺北科技大學 | Modularization plane coupling device for solid oxide fuel cell and solid oxide fuel cell with the same |
| WO2020008387A1 (en) | 2018-07-05 | 2020-01-09 | Eh Group Engineering Ag | Fuel cells |
| JP2021503161A (en) * | 2017-11-15 | 2021-02-04 | アウディ アクチェンゲゼルシャフトＡｕｄｉ Ａｇ | Unit cell for fuel cell assembly and fuel cell stack |
-
1995
- 1995-07-18 JP JP7203772A patent/JPH0935726A/en active Pending
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6017648A (en) * | 1997-04-15 | 2000-01-25 | Plug Power, L.L.C. | Insertable fluid flow passage bridgepiece and method |
| WO1998047197A1 (en) * | 1997-04-15 | 1998-10-22 | Plug Power, L.L.C. | Fuel cell fluid flow plate with insertable fluid flow passage bridgepiece |
| DE10132841B4 (en) * | 2000-07-07 | 2007-08-23 | Nippon Steel Corp. | Separation plate for solid polymer fuel cells and process for their preparation and use of the separation plate in solid polymer fuel cells |
| WO2002015312A1 (en) * | 2000-08-17 | 2002-02-21 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte type fuel cell |
| US7318974B2 (en) | 2000-08-17 | 2008-01-15 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell |
| US6740443B2 (en) | 2000-12-27 | 2004-05-25 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell |
| US7521143B2 (en) | 2000-12-27 | 2009-04-21 | Panasonic Corporation | Polymer electrolyte fuel cell |
| US7094491B2 (en) | 2001-02-23 | 2006-08-22 | Sanyo Elecrtric Co., Ltd. | Fuel cell |
| JP2003086203A (en) * | 2001-09-07 | 2003-03-20 | Honda Motor Co Ltd | Fuel cell |
| DE10257964B4 (en) * | 2002-12-12 | 2006-09-28 | Daimlerchrysler Ag | Fuel cell separator with support for an MEA |
| JP2004342534A (en) * | 2003-05-19 | 2004-12-02 | Yuasa Corp | Liquid fuel type fuel cell |
| JP4512323B2 (en) * | 2003-05-20 | 2010-07-28 | パナソニック株式会社 | Conductive separator for fuel cell and fuel cell |
| JP2004349014A (en) * | 2003-05-20 | 2004-12-09 | Matsushita Electric Ind Co Ltd | Fuel cell |
| JP2006086127A (en) * | 2004-09-17 | 2006-03-30 | Samsung Sdi Co Ltd | Fuel cell stack and fuel cell system |
| JP2006278177A (en) * | 2005-03-30 | 2006-10-12 | Honda Motor Co Ltd | Fuel cell |
| EP1717891A1 (en) * | 2005-04-27 | 2006-11-02 | Institute of Nuclear Energy Research | Fluid channel structure for polar plate of fuel cell |
| JP2006331692A (en) * | 2005-05-23 | 2006-12-07 | Inst Nuclear Energy Research Rocaec | Channel structure of fuel cell electrode plate |
| JP4514651B2 (en) * | 2005-05-23 | 2010-07-28 | 行政院原子能委員會核能研究所 | Fuel cell separator channel structure |
| JP2005310804A (en) * | 2005-07-21 | 2005-11-04 | Hitachi Ltd | Separator for solid polymer fuel cell, solid polymer fuel cell using the same, and power generation system |
| JP4647421B2 (en) * | 2005-07-21 | 2011-03-09 | 株式会社日立製作所 | Separator for polymer electrolyte fuel cell, seal member thereof, polymer electrolyte fuel cell using the same, and power generation system |
| US7494737B2 (en) | 2005-12-08 | 2009-02-24 | Panasonic Corporation | Fuel cell having manifold apertures and cover plates |
| JP2007250192A (en) * | 2006-03-13 | 2007-09-27 | Toyota Motor Corp | Separator and fuel cell |
| JP2008091104A (en) * | 2006-09-29 | 2008-04-17 | Sanyo Electric Co Ltd | Plate for fuel cell |
| JP2018107109A (en) * | 2016-12-22 | 2018-07-05 | 國立臺北科技大學 | Modularization plane coupling device for solid oxide fuel cell and solid oxide fuel cell with the same |
| JP2021503161A (en) * | 2017-11-15 | 2021-02-04 | アウディ アクチェンゲゼルシャフトＡｕｄｉ Ａｇ | Unit cell for fuel cell assembly and fuel cell stack |
| WO2020008387A1 (en) | 2018-07-05 | 2020-01-09 | Eh Group Engineering Ag | Fuel cells |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0935726A (en) | Gas plate, cooling plate for fuel cell, and fuel cell | |
| US6232008B1 (en) | Electrochemical fuel cell stack with improved reactant manifolding and sealing | |
| CA2374790C (en) | Dual seal fuel cell and fuel cell stack | |
| US7632597B2 (en) | Fuel cell and separator thereof | |
| US4743518A (en) | Corrosion resistant fuel cell structure | |
| US9099693B2 (en) | Fuel cell and fuel cell separator | |
| JP2007234438A (en) | Fuel cell | |
| JP2003142144A5 (en) | ||
| JP2005538527A (en) | Integrated sleeve gas manifold for cell stack assemblies such as fuel cells | |
| CA2815344A1 (en) | Fuel cell with separator formed by joining two plates having the same outer shape | |
| JP4312624B2 (en) | Temperature / humidity exchanger | |
| US20080050638A1 (en) | Bipolar plate and fuel cell having stack of bipolar plates | |
| US6203676B1 (en) | Ionic conduction device | |
| JP7465966B2 (en) | Fuel Cell Assembly with External Manifold for Parallel Flow - Patent application | |
| EP1441403A2 (en) | Gastight gasket assembly for gas channels of fuel cell stack | |
| US8283085B2 (en) | Fuel cell and separator thereof | |
| JP5137478B2 (en) | Fuel cell | |
| US20070009780A1 (en) | Sealing of multi-height surfaces | |
| JPS6010565A (en) | Seal structure for fuel cell | |
| WO2005043646A3 (en) | Easily isolated, oversize fuel cll stack cooler plates | |
| JP2554114B2 (en) | Fuel cell separator | |
| CA2450855A1 (en) | Gastight gasket assembly for gas channels of fuel cell stack | |
| KR100802683B1 (en) | Seperator for fuel cell | |
| JPH0438105B2 (en) | ||
| JP4403735B2 (en) | Fuel cell separator seal structure |