JP2667772B2 - Storage structure of sodium-sulfur cell - Google Patents
Storage structure of sodium-sulfur cellInfo
- Publication number
- JP2667772B2 JP2667772B2 JP5008628A JP862893A JP2667772B2 JP 2667772 B2 JP2667772 B2 JP 2667772B2 JP 5008628 A JP5008628 A JP 5008628A JP 862893 A JP862893 A JP 862893A JP 2667772 B2 JP2667772 B2 JP 2667772B2
- Authority
- JP
- Japan
- Prior art keywords
- cell
- container
- sodium
- aluminum tube
- molten salt
- 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 - Lifetime
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
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ナトリウム−イオウ単
電池の収容構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for accommodating sodium-sulfur cells.
【０００２】[0002]
【従来の技術】溶融塩電池の一種であるナトリウム−イ
オウ電池では、負極活物質に溶融ナトリウム、正極活物
質に溶融イオウ及び多硫化ナトリウムを使用している。
この電池は２５０°Ｃ〜３５０°Ｃで作動させるもので
あり、高温度になった溶融塩が洩れる可能性がある。そ
のため、従来では図３に示すように有底筒状の絶縁容器
１に単電池２を収容している。絶縁容器１は、有底のア
ルミニウム管３と、アルミニウム管３の外底面に止着さ
れた絶縁ディスク４と、アルミニウム管３の内外周面を
被覆する絶縁シート５，６とからなる。アルミニウム管
３の内底面には単電池２がステンレス製のディスクスペ
ーサ７及びリングスペーサ８を介して載置されている。
単電池２から洩れ出た溶融塩はアルミニウム管３とディ
スクスペーサ７との間の空隙に溜められる。2. Description of the Related Art A sodium-sulfur battery, which is a kind of molten salt battery, uses molten sodium as a negative electrode active material and molten sulfur and sodium polysulfide as a positive electrode active material.
Since this battery is operated at 250 ° C. to 350 ° C., there is a possibility that the molten salt at a high temperature may leak. For this reason, conventionally, as shown in FIG. 3, the unit cells 2 are housed in a cylindrical insulating container 1 having a bottom. The insulating container 1 includes a bottomed aluminum tube 3, an insulating disk 4 fixed to the outer bottom surface of the aluminum tube 3, and insulating sheets 5 and 6 covering the inner and outer peripheral surfaces of the aluminum tube 3. The cell 2 is mounted on the inner bottom surface of the aluminum tube 3 via a disk spacer 7 and a ring spacer 8 made of stainless steel.
The molten salt leaked from the unit cell 2 is stored in a space between the aluminum tube 3 and the disk spacer 7.
【０００３】[0003]
【発明が解決しようとする課題】このような単電池の収
容構造では、ステンレス製のディスクスペーサ７を別個
に製造用意しておく必要があり、この別部品をアルミニ
ウム管３内に一々収容しなければならない。このような
複数部品の準備及びそれらの組立は量産性の阻害要因で
あり、コスト的にも不利である。In such a structure for accommodating a single cell, it is necessary to separately manufacture and prepare a disk spacer 7 made of stainless steel, and these separate parts must be accommodated in the aluminum tube 3 one by one. Must. The preparation of such a plurality of parts and their assembly are factors that hinder mass productivity and are disadvantageous in terms of cost.
【０００４】本発明は、量産性及びコスト的に優れたナ
トリウム−イオウ単電池の収容構造を提供することを目
的とする。[0004] The present invention is, mass production and cost-excellent Na
An object of the present invention is to provide a structure for accommodating a thorium-sulfur cell.
【０００５】[0005]
【課題を解決するための手段】そのために本発明では、
有底筒状の収容容器に、ナトリウム−イオウ単電池を収
容し、単電池の下部に当接する収容容器の下部内周面に
載置段差を内方に向かって一体に膨出形成すると共に、
この載置段差の内側に前記収容容器の底部内面と前記単
電池の底部外面との間で形成される空間を設け、該載置
段差の上面には単電池の外周面から漏出される溶融塩を
前記空間に導く通過溝を設けた。According to the present invention, there is provided:
A sodium-sulfur cell is accommodated in a bottomed cylindrical container, and a mounting step is formed integrally and inwardly bulging inward on a lower inner peripheral surface of the container in contact with a lower portion of the cell.
The inside of the bottom of the storage container and the unit
Providing a space formed between the battery and a bottom outer surface of the battery;
On the upper surface of the step, molten salt leaking from the outer peripheral surface of the cell is
A passage groove leading to the space was provided.
【０００６】[0006]
【作用】収容容器に収容されたナトリウム−イオウ単電
池は載置段差に載せられる。単電池から洩れ出た溶融塩
は通過溝を通って収容容器の底に溜められる。The sodium-sulfur cell contained in the container is placed on the mounting step. The molten salt that has leaked out of the cell passes through the passage groove and is stored at the bottom of the container.
【０００７】[0007]
【実施例】以下、本発明を具体化した一実施例を図１及
び図２に基づいて説明する。図１に示すように単電池１
１は有底筒状の収容容器１２に収容されている。１１ａ
は正極端子、１１ｂは負極端子である。収容容器１２
は、有底のアルミニウム管１３と、アルミニウム管１３
の外底面に止着された絶縁ディスク１４と、アルミニウ
ム管１３の内外周面を被覆する絶縁シート１５，１６と
からなる。アルミニウム管１３の内外周面及び底面を絶
縁体で被覆することによって収容容器１２が絶縁容器と
なっている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. As shown in FIG.
1 is housed in a bottomed cylindrical housing container 12. 11a
Denotes a positive terminal and 11b denotes a negative terminal. Container 12
Is a bottomed aluminum tube 13 and an aluminum tube 13
And an insulating sheet 15 and 16 covering the inner and outer peripheral surfaces of the aluminum tube 13. The container 12 is an insulating container by covering the inner and outer peripheral surfaces and the bottom surface of the aluminum tube 13 with an insulator.
【０００８】アルミニウム管１３の底部１３ａは他部位
よりも肉厚に形成されており、底部１３ａとアルミニウ
ム管１３の周壁との間には載置段差１３ｂが設けられて
いる。図１及び図２に示すように載置段差１３ｂ上には
複数の通過溝１３ｃが切り欠き形成されている。載置段
差１３ｂ上には単電池１１が絶縁リング１７を介して載
置されている。従って、載置段差１３ｂと底部１３ａの
内底面との間には空隙Ｓが形成される。The bottom portion 13a of the aluminum tube 13 is formed thicker than other portions, and a mounting step 13b is provided between the bottom portion 13a and the peripheral wall of the aluminum tube 13. As shown in FIGS. 1 and 2, a plurality of passage grooves 13c are formed on the mounting step 13b. The cell 11 is mounted on the mounting step 13 b via an insulating ring 17. Therefore, a gap S is formed between the mounting step 13b and the inner bottom surface of the bottom 13a.
【０００９】単電池１１から洩れ出た溶融塩は通過溝１
３ｃを通って空隙Ｓに溜められる。空隙Ｓを形成する肉
厚の底部１３ａはアルミニウム管１３に一体形成されて
おり、空隙Ｓを形成するための別部材は不要である。従
って、部品点数が減って組立作業性が向上し、量産性が
向上すると共に、コストも低減する。The molten salt leaked from the cell 11 is
It is stored in the gap S through 3c. The thick bottom portion 13a that forms the gap S is integrally formed with the aluminum tube 13, so that another member for forming the gap S is not required. Therefore, the number of parts is reduced, the workability of assembly is improved, the mass productivity is improved, and the cost is reduced.
【００１０】又、溶融塩を溜めるための空隙Ｓを形成す
る底部１３ａは肉厚となっており、溶融塩に対する耐腐
食性も向上する。Further, the bottom 13a forming the space S for storing the molten salt is thick, and the corrosion resistance against the molten salt is also improved.
【００１１】[0011]
【発明の効果】以上詳述したように本発明の収容容器
は、その下部内周面にナトリウム−イオウ単電池を載せ
る載置段差を内方に向かって一体に膨出形成すると共
に、この載置段差の内側に前記収容容器の底部内面とナ
トリウム−イオウ単電池の底部外面との間で形成される
空間を設け、該載置段差の上面には単電池の外周面から
漏出される溶融塩を前記空間に導く通過溝を設けたの
で、単電池から洩れ出た溶融塩を溜めることができ、し
かも量産性及びコスト的に優れている。Container of the present invention as described in detail above, according to the present invention is sodium lower inner peripheral surface thereof - with bulging integrally formed toward the置段difference mounting put sulfur battery cells inwardly, the mounting Inside the bottom of the storage container,
Formed between the bottom outer surface of the thorium-sulfur cell
A space is provided, and the upper surface of the mounting step is
Since the passage for guiding the leaked molten salt into the space is provided, the molten salt leaked from the unit cell can be stored, and the mass productivity and the cost are excellent.
【図１】 本発明を具体化した一実施例を示す縦断面図
である。FIG. 1 is a longitudinal sectional view showing an embodiment embodying the present invention.
【図２】 図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】 従来例を示す縦断面図である。FIG. 3 is a longitudinal sectional view showing a conventional example.
１１…単電池、１２…収容容器、１３ｂ…載置段差、１
３ｃ…通過溝。11 ... cell, 12 ... accommodation container, 13 b ... mounting step, 1
3c: passage groove.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭57−62363（ＪＰ，Ｕ) 実開 平１−68960（ＪＰ，Ｕ) ───────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 57-62363 (JP, U) Japanese Utility Model Hei 1-68960 (JP, U)
Claims (1)
オウ単電池を収容し、単電池の下部に当接する収容容器
の下部内周面に載置段差を内方に向かって一体に膨出形
成すると共に、この載置段差の内側に前記収容容器の底
部内面と前記単電池の底部外面との間で形成される空間
を設け、該載置段差の上面には単電池の外周面から漏出
される溶融塩を前記空間に導く通過溝を設けたナトリウ
ム−イオウ単電池の収容構造。1. A sodium-a container in a bottomed cylindrical container.
With houses the Au single cells, bulged shape <br/> formed integrally置段difference mounting the lower inner peripheral surface toward the inside of the container abutting the bottom of the cell, the inside of the mounting置段difference At the bottom of the container
Space formed between the inner surface of the cell and the outer surface of the bottom of the cell
Is provided on the upper surface of the mounting step and leaks from the outer peripheral surface of the unit cell.
Sodium having a passage groove for guiding the molten salt in the space
Storage structure for mu-sulfur cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5008628A JP2667772B2 (en) | 1993-01-21 | 1993-01-21 | Storage structure of sodium-sulfur cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5008628A JP2667772B2 (en) | 1993-01-21 | 1993-01-21 | Storage structure of sodium-sulfur cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0714606A JPH0714606A (en) | 1995-01-17 |
| JP2667772B2 true JP2667772B2 (en) | 1997-10-27 |
Family
ID=11698221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5008628A Expired - Lifetime JP2667772B2 (en) | 1993-01-21 | 1993-01-21 | Storage structure of sodium-sulfur cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2667772B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011165565A (en) | 2010-02-12 | 2011-08-25 | Sumitomo Electric Ind Ltd | Molten salt battery |
| JP6021028B2 (en) * | 2012-09-12 | 2016-11-02 | 日本碍子株式会社 | Sodium sulfur battery |
| CN105556736B (en) * | 2013-08-30 | 2018-01-30 | 日本碍子株式会社 | Secondary cell |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5762363U (en) * | 1980-09-30 | 1982-04-13 | ||
| JPH0168960U (en) * | 1987-10-26 | 1989-05-08 |
-
1993
- 1993-01-21 JP JP5008628A patent/JP2667772B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0714606A (en) | 1995-01-17 |
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