JPH0723269B2 - Method of joining metal parts and ceramic parts in sodium-sulfur battery - Google Patents
Method of joining metal parts and ceramic parts in sodium-sulfur batteryInfo
- Publication number
- JPH0723269B2 JPH0723269B2 JP63080522A JP8052288A JPH0723269B2 JP H0723269 B2 JPH0723269 B2 JP H0723269B2 JP 63080522 A JP63080522 A JP 63080522A JP 8052288 A JP8052288 A JP 8052288A JP H0723269 B2 JPH0723269 B2 JP H0723269B2
- Authority
- JP
- Japan
- Prior art keywords
- sodium
- metal
- ceramic
- sulfur battery
- container
- 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
- 229910052751 metal Inorganic materials 0.000 title claims description 44
- 239000002184 metal Substances 0.000 title claims description 44
- 239000000919 ceramic Substances 0.000 title claims description 24
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 title claims description 15
- 238000000034 method Methods 0.000 title description 11
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 12
- 239000010408 film Substances 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/3909—Sodium-sulfur cells
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Products (AREA)
- Secondary Cells (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はナトリウム−硫黄電池におけるセラミック製部
品と金属製部品の結合方法に関し、さらに詳しくは例え
ばナトリウム−硫黄電池において金属製の陽極容器又は
陰極容器とセラミック製の絶縁リングとの結合方法に関
するものである。Description: TECHNICAL FIELD The present invention relates to a method for joining a ceramic component and a metal component in a sodium-sulfur battery, and more specifically, for example, a metal anode container or cathode in a sodium-sulfur battery. The present invention relates to a method of connecting a container and a ceramic insulating ring.
（従来の技術及び発明が解決しようとする課題） 近年、セラミック製部品は耐熱性や耐蝕性に加え、強
度、耐衝撃性及び熱衝撃性にも優れているため、例えば
自動車部品としてピストン、バルブ等に使用されてい
る。このセラミック製部品は多くの場合、金属製部品と
組み合わせて使用されるが、セラミック材料と金属材料
とはその性質の相違により、普通の例えば溶接により結
合するのが困難であった。そのため、従来、セラミック
と金属を接合する目的で、第４図に示すようにセラミッ
ク製部品３の端面と金属製部品４の端面との間に、アル
ミニウム又はアルミニウム合金製の低融点金属リング11
を介して、約540〜650℃の雰囲気中で0.5〜5kg/mm2で加
圧し、熱圧接することによりセラミック製部品３と金属
製部品４とを結合していた。(Problems to be Solved by Conventional Techniques and Inventions) In recent years, ceramic parts have excellent strength, impact resistance and thermal shock resistance in addition to heat resistance and corrosion resistance. It is used for etc. This ceramic part is often used in combination with a metal part, but due to the difference in the properties of the ceramic material and the metal material, it is difficult to join them by ordinary welding, for example. Therefore, conventionally, for the purpose of joining a ceramic and a metal, a low melting point metal ring 11 made of aluminum or aluminum alloy is provided between the end faces of the ceramic component 3 and the metal component 4 as shown in FIG.
The ceramic part 3 and the metal part 4 were joined by pressurizing at 0.5 to 5 kg / mm 2 in an atmosphere of about 540 to 650 ° C., and then thermocompression bonding.
ところが、上記従来の熱圧接合では曲げ力に対する強度
が低いため、強度上問題があるばかりでなく、セラミッ
ク製部品３と金属製部品４との芯出しが困難で、別途芯
出し装置を必要とし、該セラミック製部品３の角部ｅに
熱膨脹率の違いに起因する応力が集中して、セラミック
製部品が破損するという問題があった。However, since the conventional thermo-compression bonding has low strength against bending force, not only is there a problem in strength, but it is difficult to center the ceramic part 3 and the metal part 4, and a separate centering device is required. However, there is a problem that the stress caused by the difference in the coefficient of thermal expansion is concentrated on the corner e of the ceramic part 3 and the ceramic part is damaged.
上記問題を解消するため、従来のセラミック製部品と金
属製部品との結合方法として、セラミック材料が圧縮応
力に強いこと、及びセラミック材料と金属材料との間に
熱膨脹係数差を有することを利用して焼ばめする方法が
採用されている。In order to solve the above problem, as a conventional method of connecting a ceramic part and a metal part, it is used that the ceramic material is resistant to compressive stress and that the ceramic material and the metal material have a difference in thermal expansion coefficient. The method of shrink fitting is adopted.
ところが、前記従来のセラミック製部品と金属製部品と
の焼きばめ法は、曲げ力に対する強度をある程度確保で
き、芯出しもできる反面、単に両部品を高温炉中にて嵌
合し、両者の熱膨脹係数の相違により嵌合固定するが、
それのみではシール性が確保できず、該シール性を問題
とする例えばナトリウム−硫黄電池のセラミック製部品
と金属製部品との結合には適さないという問題が生じ
た。However, the conventional shrink fitting method of ceramic parts and metal parts can secure strength against bending force to some extent and can perform centering, on the other hand, both parts are simply fitted in a high temperature furnace to It fits and fixes due to the difference in thermal expansion coefficient,
The sealability cannot be ensured only by that, and there arises a problem that it is not suitable for bonding the ceramic component and the metal component of the sodium-sulfur battery, which is a problem with the sealability.
本発明の目的は上記従来の焼きばめ法に存する問題を解
消して、結合強度及びシール性を確保することができる
セラミック製部品と金属製部品との結合方法を提供する
ことにある。An object of the present invention is to provide a method for joining a ceramic component and a metal component, which solves the problems existing in the conventional shrink fitting method and can secure the bonding strength and the sealing property.
（課題を解決するための手段） 前記に鑑み本発明では、セラミック製部品に円筒状又は
円柱状の凸部を設けるとともに、金属製部品の端面に当
接する段差面を設け、金属製部品には前記凸部を嵌合す
る円形の嵌合孔を形成し、前記凸部には低融点金属膜を
設け、前記嵌合孔に前記凸部を焼きばめし、かつこの焼
きばめと同時に前記段差面に対し低融点金属を介して金
属製部品の端面を熱圧接する手段を採用している。(Means for Solving the Problem) In view of the above, in the present invention, the ceramic component is provided with a cylindrical or columnar convex portion, and a step surface that comes into contact with the end face of the metal component is provided. A circular fitting hole for fitting the convex portion is formed, a low melting point metal film is provided in the convex portion, the convex portion is shrink-fitted in the fitting hole, and the step is formed at the same time as the shrink-fitting. A means for thermally press-bonding the end surface of the metal component to the surface via a low melting point metal is adopted.
（作用） 本発明の結合方法は上記構成を採用したことにより、セ
ラミック製部品と金属製部品が低融点金属製の低融点金
属膜により強固に結合され、結合部の強度が向上するこ
とからシール性を充分確保することができる。又、上記
に加え金属製部品の段差面に対しセラミック製部品の端
面が熱圧接により強固に結合されるので、両部品全体と
して結合強度尾シール性を更に向上することができる。(Operation) Since the joining method of the present invention adopts the above-mentioned configuration, the ceramic component and the metal component are firmly joined by the low melting point metal film made of the low melting point metal, and the strength of the joining part is improved, so that the seal is formed. It is possible to secure sufficient sex. In addition to the above, since the end face of the ceramic component is firmly bonded to the stepped surface of the metal component by thermocompression bonding, the bonding strength and tail sealing property of both components as a whole can be further improved.
（実施例） 次に、本発明をナトリウム−硫黄電池におけるセラミッ
ク製部品と金属製部品との結合方法に具体化した一実施
例を第１図〜第３図に基づいて説明する。(Embodiment) Next, an embodiment in which the present invention is embodied in a method of joining a ceramic component and a metal component in a sodium-sulfur battery will be described with reference to FIGS. 1 to 3.
ところで、最近、電気自動車用、夜間電力貯蔵用の二次
電池として性能面及び経済面の両面において優れている
高温型のナトリウム−硫黄電池の研究開発が進められて
いる。By the way, recently, research and development of a high temperature type sodium-sulfur battery, which is excellent in both performance and economic aspects, has been promoted as a secondary battery for electric vehicles and nighttime power storage.
即ち、性能面では、ナトリウム−硫黄電池は鉛蓄電池に
比べて理論エネルギー密度が高く、充放電時における水
素や酸素の発生といった副反応もなく、活物質の利用率
も高く、経済面ではナトリウム及び硫黄が安価であると
いう利点を有している。That is, in terms of performance, the sodium-sulfur battery has a higher theoretical energy density than a lead storage battery, there is no side reaction such as generation of hydrogen or oxygen during charge / discharge, the utilization rate of the active material is high, and sodium and sulfur are economically used. Sulfur has the advantage of being inexpensive.
ナトリウム−硫黄電池は、第３図に示すように下部に陽
極端子１を備え、陽極作用物質である溶融硫黄を含んだ
カーボンマット等の陽極用導電材Ｍを貯留する円筒状の
陽極容器２と、該陽極容器２の上端部に対し、セラミッ
ク製部品としてのαアルミナ製の絶縁リング３を介して
連結され、かつ溶融金属ナトリウムNaを貯留する陰極容
器４と、前記絶縁リング３の内周部に固着され、かつ陰
極作用物質であるナトリウムイオンを選択的に透過させ
る機能を有した下方へ延びる円筒状の袋管を形成するβ
アルミナ製の固体電解質管５とからなっている。そして
陽極容器２と陰極容器４と絶縁リングとの夫々の連結は
ナトリウム−硫黄電池の安全性と耐久性を保持するた
め、充分なシール性と耐蝕性を保持する接合強度が要求
される。又、陰極容器４の上部蓋の中央部には、該陰極
容器４を通して固体電解質管５底部まで延びた細長い陰
極管６が貫通支持され、該陰極管６の上端部には、陰極
端子７が固着されている。As shown in FIG. 3, the sodium-sulfur battery is provided with an anode terminal 1 at a lower portion thereof, and a cylindrical anode container 2 for storing a conductive material M for anode such as carbon mat containing molten sulfur as an anode acting substance. A cathode container 4 connected to the upper end of the anode container 2 via an insulating ring 3 made of α-alumina as a ceramic component and storing molten metal sodium Na; and an inner peripheral portion of the insulating ring 3. Β which forms a cylindrical bag that extends downward and has the function of selectively permeating sodium ions, which are the cathode-acting substances,
It is composed of a solid electrolyte tube 5 made of alumina. Further, the connection between the anode container 2, the cathode container 4 and the insulating ring maintains the safety and durability of the sodium-sulfur battery, so that the joint strength is required to maintain sufficient sealing property and corrosion resistance. Further, an elongated cathode tube 6 extending through the cathode container 4 to the bottom of the solid electrolyte tube 5 is penetratingly supported at the center of the upper lid of the cathode container 4, and a cathode terminal 7 is provided at the upper end of the cathode tube 6. It is fixed.
金属製部品としての前記陽極容器２及び陰極容器４はと
もに軟鋼、ステンレス鋼、耐張鋼、一般合金等の金属に
より構成されている。Both the anode container 2 and the cathode container 4 as metal parts are made of metal such as mild steel, stainless steel, tensile steel, and general alloys.
そして、放電時には次のような反応によってナトリウム
イオンが固体電解質管５を透過して陽極容器２内の硫黄
と反応し、多硫化ナトリウムを生成する。During discharge, sodium ions permeate the solid electrolyte tube 5 and react with sulfur in the anode container 2 by the following reaction to produce sodium polysulfide.
2Na＋XS→Na2 SX 又、充電時には放電時とは逆の反応が起こり、ナトリウ
ム及び硫黄が生成される。2Na + XS → Na 2 SX When charging, the reaction opposite to that during discharging occurs, producing sodium and sulfur.
次に、本発明を具体化した一実施例を第１図及び第２図
に基づいて説明する。Next, an embodiment of the present invention will be described with reference to FIGS. 1 and 2.
第１図に示すように、前記陽極容器２の上端部及び陰極
容器４の底部にそれぞれ厚肉部2a,4aを設け、該厚肉部2
a,4aの中央部には嵌合穴2b,4bを形成する。又、前記絶
縁リング３の下端面及び上端面には凸部3a,3bを一体に
形成し、該凸部3a,3bの外周面に対し、例えばアルミニ
ウム又はアルミニウム合金等の低融点金属膜８をPVD,CV
D,メッキあるいは蒸着等の方法により設ける。又、前記
絶縁リング３の凸部3a,3bに形成した段差面3cと、陽極
容器２及び陰極容器４の端面2c,4cとの間に、アルミニ
ウム又はアルミニウム合金よりなる偏平状の低融点金属
リング９が配設される。As shown in FIG. 1, thick-walled portions 2a and 4a are provided at the upper end of the anode container 2 and the bottom of the cathode container 4, respectively.
Fitting holes 2b and 4b are formed in the central portions of a and 4a. Further, convex portions 3a and 3b are integrally formed on the lower end surface and the upper end surface of the insulating ring 3, and a low melting point metal film 8 such as aluminum or aluminum alloy is formed on the outer peripheral surface of the convex portions 3a and 3b. PVD, CV
It is provided by a method such as D, plating or vapor deposition. A flat low-melting metal ring made of aluminum or an aluminum alloy is formed between the step surface 3c formed on the convex portions 3a, 3b of the insulating ring 3 and the end surfaces 2c, 4c of the anode container 2 and the cathode container 4. 9 are provided.
そして、前記陽極容器２、陰極容器４及び絶縁リング３
を図示しない加熱装置の収容ケース内において、約540
〜650℃の雰囲気中でクランプ部材により把持して嵌合
穴2b,4bに絶縁リング３の凸部3a,3bを嵌合し、前記低融
点金属膜８を溶融して絶縁リング３の凸部3a,3b外周面
と陽極容器２の厚肉部2a及び陰極容器３の厚肉部3aとを
それぞれ焼きばめにより結合固定される。Then, the anode container 2, the cathode container 4 and the insulating ring 3
In the housing case of the heating device (not shown)
The protrusions 3a, 3b of the insulating ring 3 are fitted in the fitting holes 2b, 4b by being gripped by a clamp member in an atmosphere of ˜650 ° C., and the low-melting-point metal film 8 is melted to project the protrusions of the insulating ring 3. The outer peripheral surfaces 3a and 3b and the thick wall portion 2a of the anode container 2 and the thick wall portion 3a of the cathode container 3 are joined and fixed by shrink fitting.
又第２図に示すように、この実施例では凸部3a,3bと嵌
合穴2b,4bとの焼きばめと同時に、前記絶縁リング３の
凸部3a,3bに形成した段差面3cに対し、陽極容器２及び
陰極容器４の端面2c,4cがアルミニウム又はアルミニウ
ム合金よりなる偏平状の低融点金属リング９を介して熱
圧接される。Further, as shown in FIG. 2, in this embodiment, at the same time as the shrink fitting of the convex portions 3a, 3b and the fitting holes 2b, 4b, the step surface 3c formed on the convex portions 3a, 3b of the insulating ring 3 is formed. On the other hand, the end faces 2c, 4c of the anode container 2 and the cathode container 4 are heat-pressed via the flat low-melting metal ring 9 made of aluminum or aluminum alloy.
この実施例では低融点金属膜８の肉厚ｔを0.01mm程度と
し、又、前記凸部3a,3bの径及び嵌合穴2b,4bの径を、焼
きばめ作業温度において、0.01〜0.02mmの隙間を生じる
値として常温において焼きばめ代がとれるようにしてい
る。又、前記嵌合穴2b,4bと凸部3a,3bは、それぞれ傾斜
のゆるやかなテーパ面としてもよい。In this embodiment, the thickness t of the low melting point metal film 8 is set to about 0.01 mm, and the diameters of the convex portions 3a and 3b and the fitting holes 2b and 4b are 0.01 to 0.02 at the shrink fitting working temperature. As a value that creates a gap of mm, the shrink fit allowance can be taken at room temperature. Further, the fitting holes 2b and 4b and the convex portions 3a and 3b may be tapered surfaces having a gentle slope.
このように、前記実施例では凸部3a,3b以外の外周面に
低融点金属製の低融点金属膜８をPVD,CVDメッキあるい
は蒸着等の方法により設けて嵌合穴2b,4bに焼きばめし
これに加えて、段差面3cと陽極容器２及び陰極容器４の
端面2c,4cとが熱圧接合されるので、絶縁リング３と陽
極容器２及び陰極容器４との連結部の強度を向上するこ
とができるとともに、低融点金属膜８を介して絶縁リン
グ３と陽極容器２及び陰極容器４が緊密に結合されシー
ル性が向上して耐蝕性に富み、ナトリウム−硫黄電池の
安全性及び耐久性が向上する。As described above, in the above embodiment, the low melting point metal film 8 made of a low melting point metal is provided on the outer peripheral surface other than the convex portions 3a, 3b by a method such as PVD, CVD plating or vapor deposition, and the fitting holes 2b, 4b are baked. In addition to this, since the step surface 3c and the end surfaces 2c, 4c of the anode container 2 and the cathode container 4 are thermocompression bonded, the strength of the connecting portion between the insulating ring 3 and the anode container 2 and the cathode container 4 is improved. In addition, the insulating ring 3 and the anode container 2 and the cathode container 4 are tightly coupled to each other through the low-melting metal film 8 to improve the sealing property and have a high corrosion resistance, thereby ensuring the safety and durability of the sodium-sulfur battery. The property is improved.
なお、本発明のナトリウム−硫黄電池は上記実施例に限
らず、例えばナトリウム−硫黄電池以外の例えば熱電変
換器のセラミック製部品と金属製部品とを結合する構造
として具体化したり、その他、特許請求の範囲の範囲内
において、任意に変更して具体化することもできる。In addition, the sodium-sulfur battery of the present invention is not limited to the above-mentioned embodiment, and is embodied as a structure for connecting, for example, a ceramic component and a metal component of a thermoelectric converter other than the sodium-sulfur battery, and others, Within the range of the above range, the invention can be arbitrarily modified and embodied.
（発明の効果） 以上詳細したようにこの発明は、セラミック製部品と金
属製部品とを強固に連結して曲げ強度を増し、接合面積
が大きいのでシール部の信頼性が高く、耐蝕性と耐久性
に富み、ナトリウム−硫黄電池の安全性を向上させる効
果がある。(Effects of the Invention) As described in detail above, the present invention strongly connects the ceramic component and the metal component to increase bending strength, and since the joint area is large, the sealing portion has high reliability, corrosion resistance and durability. It is highly effective and has the effect of improving the safety of the sodium-sulfur battery.
第１図は絶縁リング、陽極容器及び陰極容器の結合以前
の関係を示す断面図、第２図は結合状態の断面図、第３
図はナトリウム−硫黄電池の中央部縦断面図、第４図は
従来方法を示す説明図である。 １……陽極端子、２……陽極容器、３……絶縁リング、
４……陰極容器、2a,4a……厚肉部、2b,4b……嵌合穴、
2c,4c……端面、3c……段差面、５……固体電解質管、
６……陰極管、７……陰極端子、８……低融点金属薄
膜、９……低融点金属リング、D1……陽極容器２及び陰
極容器４に形成した嵌合孔2b,4bの径、D2……絶縁リン
グ３に形成した凸部3a,3bの径、ｔ……低融点金属薄膜
８の厚さ。FIG. 1 is a cross-sectional view showing a relationship before the insulating ring, the anode container and the cathode container are connected, FIG.
FIG. 4 is a vertical cross-sectional view of a central portion of a sodium-sulfur battery, and FIG. 4 is an explanatory view showing a conventional method. 1 ... Anode terminal, 2 ... Anode container, 3 ... Insulation ring,
4 ... Cathode container, 2a, 4a ... Thick part, 2b, 4b ... Fitting hole,
2c, 4c ... end face, 3c ... step face, 5 ... solid electrolyte tube,
6 ... Cathode tube, 7 ... Cathode terminal, 8 ... Low-melting metal thin film, 9 ... Low-melting metal ring, D1 ... Diameter of fitting holes 2b, 4b formed in the anode container 2 and the cathode container 4, D2: Diameter of the convex portions 3a, 3b formed on the insulating ring 3, t: Thickness of the low melting point metal thin film 8.
Claims (1)
状の凸部（3a,3b）を設けるとともに、金属製部品（2,
4）の端面（2c,4c）に当接する段差面（3c）を設け、金
属製部品（2,4）には前記凸部（3a,3b）を嵌合する円形
の嵌合孔（2b,4b）を形成し、前記凸部（3a,3b）には低
融点金属膜（８）を設け、前記嵌合孔（2b,4b）に前記
凸部（3a,3b）を焼きばめし、かつこの焼きばめと同時
に前記段差面（3c）に対し低融点金属（９）を介して金
属製部品の端面（2,4c）を熱圧接することを特徴とする
ナトリウム−硫黄電池における金属製部品とセラミック
製部品の結合方法。1. A ceramic component (3) is provided with a cylindrical or columnar convex portion (3a, 3b) and a metal component (2, 3b).
4) is provided with a step surface (3c) that comes into contact with the end surface (2c, 4c), and the metal fittings (2, 4) are fitted with circular fitting holes (2b, 2b, 4b), a low melting point metal film (8) is provided on the protrusions (3a, 3b), and the protrusions (3a, 3b) are shrink-fitted in the fitting holes (2b, 4b), and At the same time as this shrink fitting, the end face (2, 4c) of the metal part is thermocompressed to the step surface (3c) through the low melting point metal (9), and the metal part in the sodium-sulfur battery is characterized. And how to connect ceramic parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63080522A JPH0723269B2 (en) | 1988-03-31 | 1988-03-31 | Method of joining metal parts and ceramic parts in sodium-sulfur battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63080522A JPH0723269B2 (en) | 1988-03-31 | 1988-03-31 | Method of joining metal parts and ceramic parts in sodium-sulfur battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01252587A JPH01252587A (en) | 1989-10-09 |
| JPH0723269B2 true JPH0723269B2 (en) | 1995-03-15 |
Family
ID=13720646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63080522A Expired - Lifetime JPH0723269B2 (en) | 1988-03-31 | 1988-03-31 | Method of joining metal parts and ceramic parts in sodium-sulfur battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723269B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH689342A5 (en) * | 1994-07-26 | 1999-02-26 | Optosys Ag | Proximity switch with a ceramic end surface and method for its production. |
| US9166214B2 (en) * | 2004-07-15 | 2015-10-20 | General Electric Company | Seal ring and associated method |
| WO2017090636A1 (en) * | 2015-11-24 | 2017-06-01 | 有限会社 中勢技研 | Molten sodium battery and partition wall for molten sodium battery |
| JP6276305B2 (en) * | 2015-11-24 | 2018-02-07 | 有限会社中勢技研 | Molten sodium battery and partition for molten sodium battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62106940U (en) * | 1985-12-19 | 1987-07-08 |
-
1988
- 1988-03-31 JP JP63080522A patent/JPH0723269B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01252587A (en) | 1989-10-09 |
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