JPH077676B2 - Liquid circulation type laminated battery and center manifold for battery - Google Patents
Liquid circulation type laminated battery and center manifold for batteryInfo
- Publication number
- JPH077676B2 JPH077676B2 JP61140644A JP14064486A JPH077676B2 JP H077676 B2 JPH077676 B2 JP H077676B2 JP 61140644 A JP61140644 A JP 61140644A JP 14064486 A JP14064486 A JP 14064486A JP H077676 B2 JPH077676 B2 JP H077676B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- liquid
- chamber
- supply
- center manifold
- 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.)
- Expired - Fee Related
Links
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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2459—Comprising electrode layers with interposed electrolyte compartment with possible electrolyte supply or circulation
-
- 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
- H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
-
- 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
- H01M8/242—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
-
- 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
- H01M8/2465—Details of groupings of fuel cells
-
- 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
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はバイポーラ電極を設けた電池枠体を複数個積層
し、枠体間に電極室を形成して電解液を循環せしめる液
循環型積層電池と電池用センターマニホールドに関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a liquid circulation type stack in which a plurality of battery frame bodies provided with bipolar electrodes are stacked and an electrode chamber is formed between the frame bodies to circulate an electrolytic solution. The present invention relates to a battery and a center manifold for the battery.
液循環型積層電池は、第３図に示すように絶縁体からな
る電池枠体（８）の下部に給液口（３）と連通する給液
室（11）を形成し、その上部にバイポーラ電極（12）を
取付ける。電極（12）上部には液のオーバーフロー室
（13）とその両端に液流下部（14）と、その下側に排液
室（15）を形成する。このような枠体（８）を第４図に
示すようにパッキングを介して複数個積層し、各枠体
（８）間に電極室即ち単セル（図示せず）を形成し、両
端に押え板（９）を取付けボルト・ナット（図示せず）
により締付けたもので、給液口（３）に給液管（16）を
連結し、排液室（15）下端の排液口（６）に排出管（1
7）を連結し、電解液を供給口（３）より供給し、排液
口（６）より排出することにより、電解液を循環させて
充放電を行なっている。As shown in FIG. 3, the liquid circulation type laminated battery has a liquid supply chamber (11) communicating with the liquid supply port (3) at a lower part of a battery frame body (8) made of an insulator, and a bipolar chamber at an upper part thereof. Install the electrode (12). A liquid overflow chamber (13) is formed above the electrode (12), a liquid flow lower portion (14) is formed at both ends thereof, and a drainage chamber (15) is formed below it. As shown in FIG. 4, a plurality of such frame bodies (8) are stacked with packing interposed therebetween to form an electrode chamber, that is, a single cell (not shown) between the frame bodies (8), and press them at both ends. Mount the plate (9) with bolts and nuts (not shown)
The liquid supply pipe (16) is connected to the liquid supply port (3), and the drain pipe (1) is connected to the liquid discharge port (6) at the lower end of the liquid discharge chamber (15).
By connecting 7), the electrolytic solution is supplied through the supply port (3) and discharged through the drain port (6), the electrolytic solution is circulated for charging and discharging.
近年電池に対する容量増大の要求が強く、単セルの積層
数を増加させることが試みられている。しかるに単セル
の積層数を増加して各単セルを直列に接続すると、電圧
が上昇し、これにともなって各単セル間の液絡が増大
し、電池効率は低下する。そのため電池容量の増大に
は、複数個の液循環型電池を並列に設置している。しか
しながら配管の増加と共に大きなスペースを必要とし、
かつ液洩れの恐れも増大する。In recent years, there has been a strong demand for increasing the capacity of batteries, and attempts have been made to increase the number of stacked single cells. However, when the number of stacked unit cells is increased and each unit cell is connected in series, the voltage rises, the liquid junction between the unit cells increases accordingly, and the battery efficiency decreases. Therefore, in order to increase the battery capacity, a plurality of liquid circulation batteries are installed in parallel. However, it requires a large space as the number of pipes increases,
Moreover, the risk of liquid leakage increases.
本発明はこれに鑑み種々検討の結果、２個の液循環型積
層電池を並列に組合せて各電極室間の液絡を防止すると
共に、配管に要するスペースを低減し、かつ外部配管を
センターマニホールドに内蔵化することにより液洩れの
原因を減少し得る液循環型積層電池と、電池用センター
マニホールドを開発したものである。As a result of various studies in view of this, the present invention combines two liquid circulation type laminated batteries in parallel to prevent a liquid junction between electrode chambers, reduces the space required for piping, and reduces external piping to a center manifold. This is the development of a liquid circulation type laminated battery that can reduce the cause of liquid leakage and a center manifold for the battery by incorporating it in the.
本発明電池は、バイポーラ電極を設けた電池枠体を複数
個積層し、枠体間に電極室と、電極室への給液室と、電
極室からの排液室を形成し、電解液を給排出して循環さ
せながら充放電を行なう電池において、積層した電池枠
体の中間部に両側の給液室に電解液を供給する給路と、
両側の排液室から電解液を回収する排路を有するセンタ
ーマニホールドを設けたことを特徴とするものである。The battery of the present invention is formed by stacking a plurality of battery frame bodies provided with bipolar electrodes, forming an electrode chamber, a liquid supply chamber to the electrode chamber, and a drainage chamber from the electrode chamber between the frame bodies, and an electrolyte solution is provided. In a battery that is charged and discharged while being supplied and discharged and circulated, a supply path for supplying the electrolytic solution to the supply chambers on both sides in the middle part of the stacked battery frame bodies,
It is characterized in that a center manifold having an exhaust passage for collecting the electrolytic solution from the drain chambers on both sides is provided.
また本発明電池用センターマニホールドは、積層する電
池枠体の中間に位置し、電解液入口と両側の給液室を連
通する給路と、電解液出口と両側の排液室を連通する排
路を設けたことを特徴とするものである。The battery center manifold of the present invention is located in the middle of the stacked battery frames, and has a supply passage that connects the electrolyte inlet and the supply chambers on both sides, and a discharge passage that connects the electrolyte outlet and the discharge chambers on both sides. Is provided.
即ち本発明は第３図に示すバイポーラ電極を設けた電池
枠体（８）を第１図に示すようにパッキングを介して複
数個積層し、その中央部にセンターマニホールド（１）
を設け、両端に押え板（９）を取付け、ボルト・ナット
（図示せず）により締付けたものである。尚図において
（２）は液入口、（３）は給液口、（５）は液出口、
（６）は排液口、（10）は集電板を示す。That is, according to the present invention, a plurality of battery frame bodies (8) provided with bipolar electrodes shown in FIG. 3 are laminated with packing as shown in FIG. 1, and a center manifold (1) is provided at the center thereof.
Is provided, the pressing plates (9) are attached to both ends, and the bolts and nuts (not shown) are tightened. In the figure, (2) is a liquid inlet, (3) is a liquid supply port, (5) is a liquid outlet,
(6) shows a drain, and (10) shows a current collector.
センターマニホールドは第２図（イ），（ロ）に示すよ
うに給液管と連結する液入口（２）と両側の枠体の給液
口（３）とを接続する給路と、排液管を連結する液出口
（５）と両側の枠体の排液口（６）とを接続する排路を
設けたものである。電解液は液入口（２）より給路
（４）を通して枠体の給液口（３）より給液室内に入
り、電極室を通してオーバーフロー室、液流下部、排液
室を通り、排液口よりセンターマニホールド（１）の排
液路（７）を通して液出口（５）より排出することによ
り、電解液を循環させて充放電を行なう。As shown in FIGS. 2 (a) and 2 (b), the center manifold has a supply passage that connects the liquid inlet (2) connected to the liquid supply pipe and the liquid supply ports (3) on both sides of the frame, and the drainage liquid. A drainage passage is provided to connect the liquid outlet (5) connecting the pipes and the drainage outlets (6) of the frame bodies on both sides. The electrolyte enters the liquid supply chamber from the liquid inlet (2) through the liquid supply passage (4) through the liquid supply port (3) of the frame, passes through the electrode chamber, the overflow chamber, the lower portion of the liquid flow, the liquid discharge chamber, and the liquid discharge port. By discharging from the liquid outlet (5) through the drainage passage (7) of the center manifold (1), the electrolytic solution is circulated to perform charging and discharging.
センターマニホールドは板状体の片面に凹溝を形成し、
これに単純な板状体を貼合せるか、凹溝を形成した２枚
の板状体の凹溝を合せて貼合せる等、極めて容易に内部
に液均一分配の給路と排路を形成することができる。The center manifold has a groove on one side of the plate,
It is extremely easy to form a supply passage and a discharge passage for uniform liquid distribution inside by sticking a simple plate-like body to this, or by sticking together the concave grooves of two plate-like bodies in which concave grooves are formed. be able to.
電解液の供給、排出を積層する電池枠体の中間に設けた
センターマニホールドで行なわせることにより、単セル
の並列積層を可能にし、各単セル間の液絡増大を防止す
る。また外部配管をマニホールド化することによりコン
パクト化が可能となり、配管接続部の減少により液洩れ
が減少する。更にマニホールド内で液の分配が均一に行
なわれるので、各電極室への液分配が均一化される。By supplying and discharging the electrolytic solution by the center manifold provided in the middle of the battery frame body for stacking, it is possible to stack the single cells in parallel and prevent an increase in the liquid junction between the single cells. Also, by making the external piping into a manifold, it is possible to make it compact, and by reducing the number of piping connections, liquid leakage is reduced. Further, since the liquid is uniformly distributed in the manifold, the liquid is evenly distributed to the electrode chambers.
硬質グラファイト板からなる負極と、液透過性の多孔質
グラファイト板からなる正極を集電体を介して接合し、
ポリ塩化ビニールからなる枠体内に取付けてバイポーラ
電極を形成した。これを第１図に示すように積層し、そ
の中央にポリ塩化ビニールからなるセンターマニホール
ドを設け、両端に押え板を取付けてボルト・ナットによ
る締付け、液循環型の亜鉛−塩素電池を構成した。A negative electrode made of a hard graphite plate and a positive electrode made of a liquid-permeable porous graphite plate are joined via a current collector,
A bipolar electrode was formed by mounting in a frame made of polyvinyl chloride. This was laminated as shown in FIG. 1, a center manifold made of polyvinyl chloride was provided in the center, and pressing plates were attached to both ends and tightened with bolts and nuts to form a liquid circulation type zinc-chlorine battery.
センターマニホールドは第２図に示すように電解液入口
と両側の給液室を連通する給路と、電解液出口と両側の
排液室を連通する排路を設けた。電池は電極作用面積2,
800cm2の単セルをセンターマニホールドの両側に20セル
づつ形成し、それぞれ直列に接続したものを並列に接続
した。これについて充放電試験を行なって電池のエネル
ギー効率を調べた。その結果を第４図に示す従来電池と
比較して第１表に示す。電解液には塩化亜鉛2mol/l、塩
化カリウム1mol/l、塩化ナトリウム2mol/lの水溶液（pH
＝１）を用い、運転条件は電解液温度30℃、電解液流量
5.6l/min/セル、充放電電流密度30mA/cm2、充電時間８
時間とした。As shown in FIG. 2, the center manifold was provided with a supply passage that communicates the electrolyte inlet with the liquid supply chambers on both sides, and a discharge passage that communicates the electrolyte outlet with the drainage chambers on both sides. The battery has an electrode working area of 2,
Twenty cells of 800 cm 2 were formed on each side of the center manifold, and the cells were connected in series and connected in parallel. This was subjected to a charge / discharge test to check the energy efficiency of the battery. The results are shown in Table 1 in comparison with the conventional battery shown in FIG. The electrolyte is an aqueous solution of zinc chloride 2 mol / l, potassium chloride 1 mol / l, sodium chloride 2 mol / l (pH
= 1), operating conditions are electrolyte temperature 30 ℃, electrolyte flow rate
5.6l / min / cell, charge / discharge current density 30mA / cm 2 , charging time 8
It was time.
第１表から明らかなように本発明電池は各単セル間の液
絡を低減し、電池のエネルギー効率を大幅に向上し得る
ことが判る。また本発明電池はセンターマニホールドを
用いて電解液の給排出を行なうため、外部配管を用いた
従来電池に比べてコンパクト化し、配管接続の減少によ
り液洩れが少ない。更にマニホールド内で液の分岐が対
象に行なわれるので各セルへの液分配が均一化する。 As is clear from Table 1, the battery of the present invention can reduce the liquid junction between each single cell and can significantly improve the energy efficiency of the battery. Further, since the battery of the present invention uses the center manifold to supply and discharge the electrolytic solution, it is made compact as compared with the conventional battery using the external piping, and the liquid leakage is less due to the reduction of the piping connection. Further, since the liquid is branched in the manifold, the liquid is evenly distributed to each cell.
このように本発明によれば単セル間の液絡を低減して電
池のエネルギー効率を向上するばかりか、電池のコンパ
クト化を可能とし、液洩れ等を少なくする等工業上顕著
な効果を奏するものである。As described above, according to the present invention, not only the liquid junction between the single cells is reduced to improve the energy efficiency of the battery, but also the battery can be made compact and the liquid leakage and the like can be reduced. It is a thing.
【図面の簡単な説明】 第１図は本発明電池の一例を示す組立斜視図、第２図
（イ），（ロ）は本発明センターマニホールドの一例を
示すもので、（イ）は正面図、（ロ）は側面図、第３図
は電池枠体の一例を示す正面図、第４図は従来電池の一
例を示す側面図である。 １……センターマニホールド ２……液入口 ３……給液口 ４……給路 ５……液出口 ６……排液口 ７……排路 ８……枠体 ９……押え板 10……集電板 11……給液室 12……電極室 13……オーバーフロー室 14……液流下部 15……排液室 16……給液管 17……排液管BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an assembled perspective view showing an example of the battery of the present invention, FIGS. 2 (a) and 2 (b) show an example of the center manifold of the present invention, and (a) is a front view. (B) is a side view, FIG. 3 is a front view showing an example of a battery frame, and FIG. 4 is a side view showing an example of a conventional battery. 1 …… Center manifold 2 …… Liquid inlet 3 …… Liquid supply port 4 …… Feed passage 5 …… Liquid outlet 6 …… Drain outlet 7 …… Drain passage 8 …… Frame 9 …… Presser plate 10 …… Current collector 11 …… Liquid supply chamber 12 …… Electrode chamber 13 …… Overflow chamber 14 …… Liquid flow part 15 …… Drainage chamber 16 …… Liquid supply pipe 17 …… Drainage pipe
Claims (2)
し、枠体間に電極室と、電極室への給液室と、電極室か
らの排液室を形成し、電解液を給排出して循環させなが
ら充放電を行なう電池において、積層した電池枠体の中
間部に、両側の給液室に電解液を供給する給路と、両側
の排液室から電解液を回収する排路を有するセンターマ
ニホールドを設けたことを特徴とする液循環型積層電
池。1. A plurality of frame bodies provided with bipolar electrodes are stacked, an electrode chamber, a liquid supply chamber to the electrode chamber, and a drainage chamber from the electrode chamber are formed between the frame bodies to supply an electrolytic solution. In batteries that are discharged and circulated while being charged and discharged, in the middle part of the stacked battery frame body, a supply path for supplying the electrolytic solution to the liquid supply chambers on both sides, and a drain for collecting the electrolytic solution from the drain chambers on both sides. A liquid circulation type laminated battery comprising a center manifold having a passage.
入口と両側の給液室を連通する給路と、電解液出口と両
側の排液室を連通する排路を設けたことを特徴とする液
循環型積層電池用センターマニホールド。2. A supply path, which is located in the middle of the stacked battery frames, connects the electrolyte inlet to the supply chambers on both sides, and a discharge path to connect the electrolyte outlet to the discharge chambers on both sides. A center manifold for a liquid circulation type laminated battery characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61140644A JPH077676B2 (en) | 1986-06-17 | 1986-06-17 | Liquid circulation type laminated battery and center manifold for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61140644A JPH077676B2 (en) | 1986-06-17 | 1986-06-17 | Liquid circulation type laminated battery and center manifold for battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62296374A JPS62296374A (en) | 1987-12-23 |
| JPH077676B2 true JPH077676B2 (en) | 1995-01-30 |
Family
ID=15273456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61140644A Expired - Fee Related JPH077676B2 (en) | 1986-06-17 | 1986-06-17 | Liquid circulation type laminated battery and center manifold for battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077676B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090239131A1 (en) | 2007-01-16 | 2009-09-24 | Richard Otto Winter | Electrochemical energy cell system |
| CN114464837B (en) * | 2021-10-08 | 2024-01-16 | 东风汽车集团股份有限公司 | Fuel cell system and assembly process |
-
1986
- 1986-06-17 JP JP61140644A patent/JPH077676B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62296374A (en) | 1987-12-23 |
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