JP2001143730A - Solid polymer fuel cell - Google Patents
Solid polymer fuel cellInfo
- Publication number
- JP2001143730A JP2001143730A JP32527299A JP32527299A JP2001143730A JP 2001143730 A JP2001143730 A JP 2001143730A JP 32527299 A JP32527299 A JP 32527299A JP 32527299 A JP32527299 A JP 32527299A JP 2001143730 A JP2001143730 A JP 2001143730A
- Authority
- JP
- Japan
- Prior art keywords
- fuel cell
- polymer electrolyte
- cell
- fuel
- solid 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.)
- Granted
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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は燃料ガスの検知を効
率よく監視することができる固体高分子型燃料電池に関
する。The present invention relates to a polymer electrolyte fuel cell capable of efficiently monitoring the detection of fuel gas.
【０００２】[0002]
【背景の技術】図４に従来の固体高分子型燃料電池（Ｐ
ＥＦＣ：Ｐｏｌｙｍｅｒ Ｅｌｅｃｔｒｏｌｙｔｅ Ｆ
ｕｅｌ Ｃｅｌｌ）の概略図及び図５に燃料電池発電部
の斜視図を示す。ここで、図４及び５中、符号１はスタ
ック本体、２は複数の板状のセルを配してなる燃料電池
発電部、３Ａは該発電部に燃料（Ｈ2 ）を供給する燃料
供給管、３Ｂは燃料排気管、４Ａは発電部に空気
（Ｏ2 ）を供給する空気供給管、４Ｂは空気排気管を各
々図示する。BACKGROUND ART FIG. 4 shows a conventional polymer electrolyte fuel cell (P).
EFC: Polymer Electrolyte F
FIG. 5 is a schematic view of a fuel cell power generation unit. 4 and 5, reference numeral 1 denotes a stack main body, 2 denotes a fuel cell power generation unit having a plurality of plate cells arranged, and 3A denotes a fuel supply pipe for supplying fuel (H 2 ) to the power generation unit. Reference numeral 3B denotes a fuel exhaust pipe, 4A denotes an air supply pipe for supplying air (O 2 ) to the power generation unit, and 4B denotes an air exhaust pipe.
【０００３】一般に、スタック本体１内には燃料ガスと
してＨ2 ガスを供給して発電をしている。ここで、固体
高分子型燃料電池は、ガス拡散電極間に固体高分子電解
質膜をはさみ単セルとし、これらをさらにセパレータで
挾持しつつ複数枚積層してセルスタックを構成してなる
ものである。上記スタックを構成するには、フィルタプ
レス方法を用いているが、燃料電池の長期間の運転にお
ける経時変化等により、シールの一部が劣化してヒビ等
が生じ、該ガスが漏れる場合がある。Generally, H 2 gas is supplied as fuel gas into the stack body 1 to generate power. Here, the polymer electrolyte fuel cell is a unit cell in which a solid polymer electrolyte membrane is sandwiched between gas diffusion electrodes to form a single cell, and a plurality of these cells are stacked while being sandwiched by separators. . To form the stack, a filter press method is used, but due to a change over time in long-term operation of the fuel cell, a part of the seal is deteriorated, cracks or the like are generated, and the gas may leak. .
【０００４】[0004]
【発明が解決しようとする課題】前述したような固体高
分子型燃料電池のスタックでは、密閉された空間や、特
殊環境下において使用する場合には、燃料の漏れを防ぐ
必要がある。また、燃料の漏れの発生を素早く検知する
必要がある。In the stack of the polymer electrolyte fuel cell as described above, it is necessary to prevent the fuel from leaking when used in a closed space or a special environment. In addition, it is necessary to quickly detect the occurrence of fuel leakage.
【０００５】本発明は上記問題に鑑み、燃料の漏れを防
止すると共に漏れを迅速に検知をする固体高分子型燃料
電池を提供することを目的とする。SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a polymer electrolyte fuel cell which prevents fuel leakage and detects the leakage quickly.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成する［請
求項１］の発明は、固体高分子電解質膜を用いた単セル
とセパレータとからなる固体高分子型燃料電池のセルス
タック構造であって、耐圧容器内にセルスタックを内包
してなり、耐圧容器内に絶縁性液体を封入してなること
を特徴とする。Means for Solving the Problems The invention of claim 1 which achieves the above object is a cell stack structure of a polymer electrolyte fuel cell comprising a single cell using a polymer electrolyte membrane and a separator. In addition, a cell stack is contained in a pressure-resistant container, and an insulating liquid is sealed in the pressure-resistant container.
【０００７】［請求項２］の発明は、請求項１におい
て、耐圧容器の一部に気泡監視窓又は監視部材を設けて
なることを特徴とする。According to a second aspect of the present invention, in the first aspect, a bubble monitoring window or a monitoring member is provided in a part of the pressure-resistant container.
【０００８】[0008]
【発明の実施の形態】本発明の実施の形態を以下に説明
するが、本発明はこれらの実施の形態に限定されるもの
ではない。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below, but the present invention is not limited to these embodiments.
【０００９】本発明の実施の形態を図１を用いて説明す
る。図１及び図２は本実施の形態にかかる燃料電池気密
構造の概略図である。図１及び図２に示すように、本実
施の形態にかかる気密構造は、ガス拡散電極間に固体高
分子電解質膜をはさみ単セルとし、これらをさらにセパ
レータで挾持しつつ複数枚積層してなるセルスタック
（以下、「スタック」という）１１を耐圧容器１２内に
内包するものであり、フンランジ１３ａ，１３ｂ同士を
締結手段１４で固着している。An embodiment of the present invention will be described with reference to FIG. 1 and 2 are schematic diagrams of a fuel cell hermetic structure according to the present embodiment. As shown in FIGS. 1 and 2, the airtight structure according to the present embodiment is a single cell in which a solid polymer electrolyte membrane is interposed between gas diffusion electrodes, and a plurality of these cells are stacked while being sandwiched by a separator. A cell stack (hereinafter, referred to as “stack”) 11 is included in a pressure-resistant container 12, and the funnels 13 a and 13 b are fixed to each other by fastening means 14.
【００１０】上記耐圧容器１２内には絶縁性の液体（例
えばシリコンオイル等）１５が注入口１２ａから封入さ
れており、仮にシール部等のわずかな漏れがあった場合
においても、上記絶縁性の液体の圧力により、上記燃料
ガス漏れの防止を図るようにしている。An insulative liquid (eg, silicone oil) 15 is sealed in the pressure-resistant container 12 through the inlet 12a. The fuel pressure is prevented from leaking by the pressure of the liquid.
【００１１】また、本実施の形態では、上記耐圧容器１
２内に封入された絶縁性の液体（例えばシリコンオイル
等）内に漏れ出した燃料ガスの気泡１６を検知するため
の気泡監視窓１７が設けられている。In this embodiment, the pressure vessel 1
An air bubble monitoring window 17 for detecting air bubbles 16 of fuel gas leaked into an insulating liquid (for example, silicon oil or the like) sealed in the inside 2 is provided.
【００１２】そして、スタック１１を構成するセルのシ
ール部等にクラック・ヒビ等が入った場合に、燃料が漏
れることがあるが、このような場合には、図１に示すよ
うに、上記気泡監視窓１７内に該燃料の気泡１６が上昇
することを外部から監視することで、漏れをいち早く検
出することができる。If cracks or cracks enter the seals or the like of the cells constituting the stack 11, fuel may leak. In such a case, as shown in FIG. By monitoring the rise of the fuel bubbles 16 in the monitoring window 17 from the outside, it is possible to detect a leak quickly.
【００１３】図３はこの気密構造のスタックを用いたス
タック構造の概略を示す。図３に示すように、スタック
本体２１の内部には、複数の板状の発電体を配してなる
セルを複数枚積層してなるスタック１１が内包された耐
圧容器１２が配されており、該耐圧容器１２内の燃料供
給室に供給する燃料供給管２２及び未反応の燃料を排出
する燃料排気管２３、並びに発電部に空気を供給する空
気供給管２４及び排空気を排出する空気排気管２５が設
けられている。また、上記耐圧容器内には絶縁性の液体
（例えばシリコンオイル等）１５が封入されており、気
泡監視窓１７が設けられている。FIG. 3 schematically shows a stack structure using the airtight stack. As shown in FIG. 3, inside the stack main body 21, there is disposed a pressure-resistant container 12 including a stack 11 formed by stacking a plurality of cells each including a plurality of plate-shaped power generators, A fuel supply pipe 22 for supplying a fuel supply chamber in the pressure-resistant container 12 and a fuel exhaust pipe 23 for discharging unreacted fuel, an air supply pipe 24 for supplying air to the power generation unit, and an air exhaust pipe for discharging exhaust air 25 are provided. In addition, an insulating liquid (for example, silicon oil) 15 is sealed in the pressure-resistant container, and a bubble monitoring window 17 is provided.
【００１４】このようなスタック構造とすることによ
り、スタック１１内のシール等にヒビ等が生じた場合で
も、封入された液体１５により漏れが防止され、安定し
て発電をすることができる。また、多量の漏れが発生し
た場合には、監視窓１７により、迅速に漏れを検知でき
運転を直ちに停止して、修理することができる。By adopting such a stack structure, even if a crack or the like occurs in a seal or the like in the stack 11, leakage is prevented by the sealed liquid 15, and stable power generation can be performed. When a large amount of leakage occurs, the monitoring window 17 can quickly detect the leakage, immediately stop the operation, and repair the vehicle.
【００１５】[0015]
【発明の効果】以上説明したように、本発明によれば、
［請求項１］の発明によれば、固体高分子電解質膜を用
いた単セルとセパレータとからなる固体高分子型燃料電
池のセルスタック構造であって、耐圧容器内にセルスタ
ックを内包してなり、耐圧容器内に絶縁性液体を封入し
てなるので、上記封入された液体の圧力で漏れを防止す
るようにしている。As described above, according to the present invention,
According to the first aspect of the present invention, there is provided a cell stack structure of a polymer electrolyte fuel cell comprising a single cell using a polymer electrolyte membrane and a separator, wherein the cell stack is contained in a pressure vessel. Since the insulating liquid is sealed in the pressure vessel, leakage is prevented by the pressure of the sealed liquid.
【００１６】［請求項２］の発明によれば、耐圧容器の
一部に気泡監視窓又は監視部材を設けてなるので、外部
から監視することで、漏れを検出することができる。According to the second aspect of the present invention, since a bubble monitoring window or a monitoring member is provided in a part of the pressure-resistant container, leakage can be detected by monitoring from outside.
【図１】本実施の形態にかかる燃料電池気密構造の斜視
図である。FIG. 1 is a perspective view of a fuel cell hermetic structure according to an embodiment.
【図２】本実施の形態にかかる燃料電池気密構造の分解
図である。FIG. 2 is an exploded view of the fuel cell hermetic structure according to the embodiment.
【図３】本実施の形態にかかるスタック構造の概略図で
ある。FIG. 3 is a schematic diagram of a stack structure according to the present embodiment.
【図４】従来技術にかかるスタック構造の概略図であ
る。FIG. 4 is a schematic view of a stack structure according to the related art.
【図５】従来技術にかかる燃料電池発電部の斜視図であ
る。FIG. 5 is a perspective view of a fuel cell power generation unit according to the related art.
１１ スタック １２ 耐圧容器 １３ａ，１３ｂ フンランジ １４ 締結手段 １５ 液体（例えばシリコンオイル等） １６ 気泡 １７ 気泡監視窓 ２１ スタック本体 ２２ 燃料供給管 ２３ 燃料排気管 ２４ 空気供給管 ２５ 空気排気管 DESCRIPTION OF SYMBOLS 11 Stack 12 Pressure-resistant container 13a, 13b Funlange 14 Fastening means 15 Liquid (for example, silicon oil etc.) 16 Bubbles 17 Bubble monitoring window 21 Stack main body 22 Fuel supply pipe 23 Fuel exhaust pipe 24 Air supply pipe 25 Air exhaust pipe
───────────────────────────────────────────────────── フロントページの続き (72)発明者 久留 長生 長崎県長崎市飽の浦町１番１号 三菱重工 業株式会社長崎造船所内 Ｆターム(参考） 5H026 AA06 CX10 5H027 AA06 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Nagao Kurume 1-1, Akunouramachi, Nagasaki City, Nagasaki Prefecture Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard F-term (reference) 5H026 AA06 CX10 5H027 AA06
Claims (2)
パレータとからなる固体高分子型燃料電池のセルスタッ
ク構造であって、 耐圧容器内にセルスタックを内包してなり、耐圧容器内
に絶縁性液体を封入してなることを特徴とする固体高分
子型燃料電池。1. A cell stack structure of a polymer electrolyte fuel cell comprising a single cell using a solid polymer electrolyte membrane and a separator, wherein the cell stack is contained in a pressure-resistant container. A polymer electrolyte fuel cell characterized by being filled with an insulating liquid.
ことを特徴とする固体高分子型燃料電池。2. The polymer electrolyte fuel cell according to claim 1, wherein a bubble monitoring window or a monitoring member is provided in a part of the pressure vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32527299A JP3504898B2 (en) | 1999-11-16 | 1999-11-16 | Polymer electrolyte fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32527299A JP3504898B2 (en) | 1999-11-16 | 1999-11-16 | Polymer electrolyte fuel cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001143730A true JP2001143730A (en) | 2001-05-25 |
| JP3504898B2 JP3504898B2 (en) | 2004-03-08 |
Family
ID=18174968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32527299A Expired - Lifetime JP3504898B2 (en) | 1999-11-16 | 1999-11-16 | Polymer electrolyte fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3504898B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003017094A (en) * | 2001-07-04 | 2003-01-17 | Honda Motor Co Ltd | Operation method for fuel cell |
| US20120237846A1 (en) * | 2009-12-10 | 2012-09-20 | Michael Brodmann | Energy conversion apparatus, in particular fuel cell stack or electrolyzer |
| WO2012141309A1 (en) * | 2011-04-15 | 2012-10-18 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel cell module |
| WO2012141305A1 (en) * | 2011-04-15 | 2012-10-18 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel cell module |
| WO2012141268A1 (en) * | 2011-04-15 | 2012-10-18 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel battery module |
-
1999
- 1999-11-16 JP JP32527299A patent/JP3504898B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003017094A (en) * | 2001-07-04 | 2003-01-17 | Honda Motor Co Ltd | Operation method for fuel cell |
| US20120237846A1 (en) * | 2009-12-10 | 2012-09-20 | Michael Brodmann | Energy conversion apparatus, in particular fuel cell stack or electrolyzer |
| US9178245B2 (en) * | 2009-12-10 | 2015-11-03 | Westfaelische Hochschule Gelsenkirchen Bocholt Recklinghausen | Energy conversion apparatus, in particular fuel cell stack or electrolyzer |
| WO2012141309A1 (en) * | 2011-04-15 | 2012-10-18 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel cell module |
| WO2012141305A1 (en) * | 2011-04-15 | 2012-10-18 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel cell module |
| WO2012141268A1 (en) * | 2011-04-15 | 2012-10-18 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel battery module |
| JP2012226872A (en) * | 2011-04-15 | 2012-11-15 | Jx Nippon Oil & Energy Corp | Fuel cell module |
| JPWO2012141305A1 (en) * | 2011-04-15 | 2014-07-28 | Ｊｘ日鉱日石エネルギー株式会社 | Fuel cell module |
| JP6068333B2 (en) * | 2011-04-15 | 2017-01-25 | 京セラ株式会社 | Fuel cell module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3504898B2 (en) | 2004-03-08 |
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