JPS62271362A - Fuel cell - Google Patents
Fuel cellInfo
- Publication number
- JPS62271362A JPS62271362A JP61112754A JP11275486A JPS62271362A JP S62271362 A JPS62271362 A JP S62271362A JP 61112754 A JP61112754 A JP 61112754A JP 11275486 A JP11275486 A JP 11275486A JP S62271362 A JPS62271362 A JP S62271362A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- fuel cell
- separators
- cooling fins
- cell
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 239000012809 cooling fluid Substances 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000010248 power generation Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
-
- 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】
３、発明の詳細な説明
〔発明の技術分野〕
本発明は複数層に積層した電池セルからなる燃料電池に
関し、特に可搬型として好適な燃料電池に関するもので
ある。Detailed Description of the Invention 3. Detailed Description of the Invention [Technical Field of the Invention] The present invention relates to a fuel cell comprising battery cells stacked in multiple layers, and particularly to a fuel cell suitable as a portable type.
〔従来技術］
燃料電池は、陽極板と陰極板の間にリン酸等の電解液を
含浸した電解質マトリックスを挟んで電池セルを構成し
、この電池セルをセパレータを介して複数層に積層して
構成されており、この構成における各電池セルの陰極板
側に水素を供給すると共に、陽極板側に酸素（空気）を
供給して両者を反応させ、水と電気エネルギを発生させ
るようになっている。[Prior Art] A fuel cell is constructed by sandwiching an electrolyte matrix impregnated with an electrolyte such as phosphoric acid between an anode plate and a cathode plate, and stacking the battery cells in multiple layers with separators interposed between them. In this configuration, hydrogen is supplied to the cathode plate side of each battery cell, and oxygen (air) is supplied to the anode plate side to cause the two to react, thereby generating water and electrical energy.
燃料電池が上述のような発電を行うときには発熱を伴い
、その発熱によって電池セルが過熱状態になると発電効
率を低下させることになる。When a fuel cell generates power as described above, it generates heat, and when the battery cell becomes overheated due to the heat generated, the power generation efficiency is reduced.
そのため、一般に複数層に積層された電池セルには、数
個所ごとに空気等の冷却流体を流して熱交換を行わせる
冷却器が設けてあり、しかもその熱交換を効果的にする
ため、冷却器にはブロアによって冷却流体が強制的に供
給されるようになっている。しかし、ブロワは上述した
発電用の酸素（空気）の供給にも使用されているため、
そのブロワ容量はかなり大きなものにならざるを得す、
発電効率向上の妨げになっていた。For this reason, battery cells that are stacked in multiple layers are generally equipped with coolers that flow cooling fluid such as air into several locations to perform heat exchange. Cooling fluid is forcibly supplied to the container by a blower. However, since blowers are also used to supply oxygen (air) for power generation as mentioned above,
The blower capacity has to be quite large.
This was an impediment to improving power generation efficiency.
本発明の目的は、冷却性を向上し、内部に設けた冷却器
の容量を軽減させることができるようにした燃料電池を
提供することにある。An object of the present invention is to provide a fuel cell that has improved cooling performance and can reduce the capacity of an internal cooler.
上記目的を達成する本発明は、電池セルをセパレータを
介して複数層に積層し、この積層体の両端に集電板を配
置すると共に、さらにその夕（側を端板で抑えた燃料電
池において、前記端板の表面に外側に向りて突出する冷
却フィンを設けたことを特徴とするものである。The present invention achieves the above object by stacking battery cells in a plurality of layers with separators interposed therebetween, arranging current collecting plates at both ends of this stacked body, and further suppressing the other side with end plates. , characterized in that cooling fins protruding outward are provided on the surface of the end plate.
図において、１は電池セルであり、陽極板２と陰極板３
との間に、リン酸等の電解液を含浸した板状の電解質マ
トリックス４を挾むことにより構成されている。このよ
うな電池セル１はセパレータ５を介して多段に積層され
、この積層体１０の両端にそれぞれ集電板６，６を配置
し、さらにポリテトラフルオロエチレン、弗素系ゴム等
の高分子材料からなるｍｌ板７，７を介して端板８，８
を当て、その状態で図示しない締付具によって一体に固
定されることによって、燃料電池本体を構成するように
なっている。In the figure, 1 is a battery cell, with an anode plate 2 and a cathode plate 3.
A plate-shaped electrolyte matrix 4 impregnated with an electrolytic solution such as phosphoric acid is sandwiched between the two. Such battery cells 1 are stacked in multiple stages with separators 5 in between, and current collector plates 6, 6 are arranged at both ends of this stacked body 10, respectively, and further, a battery cell 1 made of a polymeric material such as polytetrafluoroethylene or fluorine rubber is arranged. End plates 8, 8 through ml plates 7, 7
The main body of the fuel cell is constructed by attaching the fuel cells to each other and fixing them together using fasteners (not shown) in this state.
上記集電板６には電気を取り出すための集電端子６ａが
設けられ、この集電端子６ａは積層体１０を締付は固定
するとき、絶縁板７および端板８に設けた孔１ａ、Ｆ３
ａを貫通して外側に突出するようになっている。また５
、両端の端板８には外側に向けて突出した多数の冷却フ
ィン９、−・−・−・、９が設けられている。The current collector plate 6 is provided with a current collector terminal 6a for extracting electricity, and when the laminate 10 is tightened or fixed, the current collector terminal 6a is connected to a hole 1a provided in the insulating plate 7 and the end plate 8, F3
It penetrates through a and protrudes outward. Also 5
The end plates 8 at both ends are provided with a large number of cooling fins 9 protruding outward.
また、セパレータ５は陽極板２に対面する側に多数の案
内溝５ａ、−・・−・・・、５ａを形成し、また陰極板
３に対面する側には別の多数の案内溝５ ｂ 、 、−
−−−−、５ｂを形成しており、これら案内溝５ａと５
ｂとは互いに直交する関係になっている。ただし、これ
らセパレータのうち、最外側に配置したセパレータは、
片面だけに案内溝５ａまたは５ｂを有するようになって
いる。また、積層体１０の途中に配置したセパレータは
、数個所毎に配置のものが冷却通路６を有し、その冷却
通路６にブロワから圧送された空気等の冷却流体が強制
供給されて電池セル１が発生する熱と熱交換を行い、そ
の電池セル１の冷却を行うようになっている。Further, the separator 5 has a number of guide grooves 5a, . . . , 5a formed on the side facing the anode plate 2, and another number of guide grooves 5b on the side facing the cathode plate 3. , ,−
----, 5b are formed, and these guide grooves 5a and 5
b and are orthogonal to each other. However, among these separators, the outermost separator is
It has a guide groove 5a or 5b only on one side. In addition, the separators placed in the middle of the stacked body 10 have cooling passages 6 at every few places, and a cooling fluid such as air pumped from a blower is forcibly supplied to the cooling passages 6, and the battery cells are The battery cell 1 is cooled by exchanging heat with the heat generated by the battery cell 1.
上記セパレータ５の案内１１Ｊ１５ａ、５ｂには、陽Ｉ
！Ｉｉ槻２側に対面する案内溝５ａに酸素（空気）が供
給され、また陰極板３に対面する案内ｚｆ＠５ｂに水素
が供給される。案内溝５ａに対する空気は、一般には上
記冷却通路６に冷却空気を送っているブロワと同じブロ
ワから送られている。それぞれに供給されたガスは電解
質マトリックス４の電解液によって分解され、酸素は陽
極板２から電子をとりだして酸素イオンになり、また水
素は陰極板３に電子を放出して水素イオンになり、この
両イオンが結合して水になる反応を行い、この反応によ
り水と電気エネルギとを発生するようになっている。The guides 11J15a and 5b of the separator 5 have positive I
! Oxygen (air) is supplied to the guide groove 5a facing the Ii 2 side, and hydrogen is supplied to the guide zf@5b facing the cathode plate 3. Air to the guide groove 5a is generally sent from the same blower that sends cooling air to the cooling passage 6. The gases supplied to each are decomposed by the electrolyte in the electrolyte matrix 4, oxygen takes out electrons from the anode plate 2 and becomes oxygen ions, and hydrogen releases electrons to the cathode plate 3 and becomes hydrogen ions. Both ions combine to form water, and this reaction generates water and electrical energy.
さて、上述した燃料電池では、積層体１０に設けた多数
のセパレーク５．−・−・−１５のうち数個所毎に冷却
通路６を設けており、その冷却通路６に通す冷却流体に
まりで電池セル１を冷却するようになっているが、さら
に両端の端板８゜８に設けた多数の冷却フィン９．・−
−−−−−，９からも放熱されるため、この放熱によっ
ても電池セルの冷却が行われるようになっている。Now, in the above-mentioned fuel cell, a large number of separate lakes 5. A cooling passage 6 is provided at every several locations in the cooling passage 6, and the battery cell 1 is cooled by the cooling fluid that passes through the cooling passage 6.In addition, the end plates 8 at both ends A large number of cooling fins 9.・−
Since heat is also radiated from the battery cells 9 and 9, the battery cells are also cooled by this heat radiation.
この冷却フィン９の放熱効果により、冷却通路６を設け
たセパレータ５の数を全体的に少なくすることができ、
それによって冷却通路６に対するブロワからの空気量を
低減することができるようになる。したがって、この冷
却用空気の低減分だけブロワ容量を低減できるようにな
り、それによって発電効率を一層向上することができる
ようになる。Due to the heat dissipation effect of the cooling fins 9, the number of separators 5 provided with the cooling passages 6 can be reduced overall.
Thereby, the amount of air from the blower to the cooling passage 6 can be reduced. Therefore, the blower capacity can be reduced by the amount of cooling air, thereby further improving power generation efficiency.
上記冷却フィン９の効果は、静置型の燃料電池の場合に
も有効であるが、特に車両等に′ｕ、せる可搬型の場合
には、冷却フィンに流動空気を積穫的に当てて熱交換を
盛んにするため、一層大きな効果を得ることができる。The effect of the cooling fins 9 is effective even in the case of a stationary type fuel cell, but especially in the case of a portable type that can be placed on a vehicle, etc., the cooling fins are heated by applying flowing air to the cooling fins. By increasing exchange, even greater effects can be obtained.
上述したように本発明は、電池セルの積層体の両端に配
置した端板の表面に冷却フィンを設ける構成にしたので
、この冷却フィンによる放熱作用によって、燃料電池内
部に設ける冷却器の容量を軽減することができる。また
、その冷却器の軽減によって、これを作動するための冷
却用流体のブロワの容量を低減することが可能となり、
それによって発電効率の向上にも寄与することができる
ようになる。As described above, the present invention has a configuration in which cooling fins are provided on the surfaces of the end plates disposed at both ends of the stacked body of battery cells, so that the capacity of the cooler provided inside the fuel cell can be reduced by the heat dissipation effect of the cooling fins. It can be reduced. In addition, by reducing the size of the cooler, it is possible to reduce the capacity of the cooling fluid blower for operating it.
This will also contribute to improving power generation efficiency.
図は本発明の実施例からなる燃料電池を、各部材を一体
に締付固定する前の分解状態で示す斜視図である。
■・・・電池セル、 ２・・・陽極板、 ３・・・陰極
板、４・・・電解質マトリックス、 ５・・・セパレ
ータ、６・・・集電板、 ８・・・端板、 ９・・・
冷却フィン、１０・・・積層体。The figure is a perspective view showing a fuel cell according to an embodiment of the present invention in an exploded state before each member is tightened and fixed together. ■... Battery cell, 2... Anode plate, 3... Cathode plate, 4... Electrolyte matrix, 5... Separator, 6... Current collector plate, 8... End plate, 9 ...
Cooling fin, 10... laminate.
Claims (2)
この積層体の両端に集電板を配置すると共に、さらにそ
の外側を端板で抑えた燃料電池において、前記端板の表
面に外側に向けて突出する冷却フィンを設けたことを特
徴とする燃料電池。(1) Layering battery cells in multiple layers with separators in between,
A fuel cell in which current collecting plates are disposed at both ends of the stacked body and the outer side of the stack is further suppressed by end plates, characterized in that cooling fins protruding outward are provided on the surfaces of the end plates. battery.
燃料電池。(2) The fuel cell according to claim 1, which is configured to be portable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61112754A JPS62271362A (en) | 1986-05-19 | 1986-05-19 | Fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61112754A JPS62271362A (en) | 1986-05-19 | 1986-05-19 | Fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62271362A true JPS62271362A (en) | 1987-11-25 |
Family
ID=14594709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61112754A Pending JPS62271362A (en) | 1986-05-19 | 1986-05-19 | Fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62271362A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100684762B1 (en) | 2005-07-29 | 2007-02-20 | 삼성에스디아이 주식회사 | Secondary battery module and end-plate |
| CN101853949A (en) * | 2010-06-12 | 2010-10-06 | 新源动力股份有限公司 | Wind-radiating vehicular fuel cell |
| US8586235B2 (en) | 2005-07-29 | 2013-11-19 | Samsung Sdi Co., Ltd. | Battery module |
-
1986
- 1986-05-19 JP JP61112754A patent/JPS62271362A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100684762B1 (en) | 2005-07-29 | 2007-02-20 | 삼성에스디아이 주식회사 | Secondary battery module and end-plate |
| US8586235B2 (en) | 2005-07-29 | 2013-11-19 | Samsung Sdi Co., Ltd. | Battery module |
| CN101853949A (en) * | 2010-06-12 | 2010-10-06 | 新源动力股份有限公司 | Wind-radiating vehicular fuel cell |
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