GB2041812A - Sealing Sodium-sulfur Cell Casings - Google Patents
Sealing Sodium-sulfur Cell Casings Download PDFInfo
- Publication number
- GB2041812A GB2041812A GB7937869A GB7937869A GB2041812A GB 2041812 A GB2041812 A GB 2041812A GB 7937869 A GB7937869 A GB 7937869A GB 7937869 A GB7937869 A GB 7937869A GB 2041812 A GB2041812 A GB 2041812A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ceramic ring
- sodium
- metallic
- sulfur cell
- washer
- 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
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 title claims description 37
- 238000007789 sealing Methods 0.000 title description 2
- 239000000919 ceramic Substances 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 49
- 239000012298 atmosphere Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052782 aluminium Inorganic materials 0.000 claims description 28
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 17
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 229910000873 Beta-alumina solid electrolyte Inorganic materials 0.000 description 2
- 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 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/138—Primary casings; Jackets or wrappings adapted for specific cells, e.g. electrochemical cells operating at high temperature
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
One method includes bonding an open ended metallic container 16 without flanges to an electrically insulating ceramic ring 11 and bonding subsequently a second such container 16 to the opposite major surface of the ceramic ring. Another method includes bonding both containers simultaneously to opposite major surfaces of the ceramic ring. A metal ring 17 is located in a groove 15 to form the seal when subjected to heat and pressure as an inert atmosphere. <IMAGE>
Description
SPECIFICATION
Thermocompression Methods of Forming
Sodium-Sulfur Cell Casings
This invention relates to thermocompression methods of forming sodium-sulfur cell casings and, more particular, to such methods wherein a pair of open ended metallic containers without flanges are thermocompressed bonded to an electrically insulating ceramic ring.
Sodium-sulfur casings are useful in hermetically sealed sodium-sulfur cells. A cell casing with a hermetic mechanical seal and a hermetically sealed sodium-sulfur cell are described, for example, in U.S. Patent No.
3,946,751 issued March 30, 1976. In this patent, a hermetic mechanical seal joins two opposite outer metallic casing portions to a ceramic ring supporting an inner casing of a solid sodium ionconductive material. A hermetically sealed sodium-sulfur cell employs such a cell casing.
Thermocompression bonding is well known for its ability to produce a solid-state bond between metals and ceramics. This type of bond would be of particular interest in sodium-sulfur cells for use in sealing aluminum or other metallic containers to ceramic headers or rings.
In U.S. Patent No. 4,037,027, there is described a sodium-sulfur electric cell and method of forming the same wherein a cathode tank with an outwardly extending flange and an anode tank with an outwardly extending flange are fixed to an alumina plate or ring by disposing an aluminum seal between the outwardly extending flange of each tank and the plate. A bushing bears on each face of the plate within the respective tanks. This assembly is compressed at a temperature close to, but less than the melting point of aluminum. As opposed to applicant's present invention, the method described in this patent sets forth that the tanks have outwardly extending flanges.
In copending U.S. Patent Application Serial
Number 4,175 filed January 17, 1979, and entitled "Thermocompression Methods of
Forming Sodium-Sulfur Cell casings" there is described and claimed methods which include a die to bond open ended metallic containers with inward flanges to an electrically insulating ceramic ring.
The present invention is directed to improved thermocompression methods of forming sodiumsulfur cell casings in which a pair of open ended metallic containers without flanges are thermocompressed bonded to an electrically insulating ceramic ring.
The present invention provides a method of forming a sodium-sulfur cell casing which comprises providing an electrically insulating ceramic ring, situating a metallic washer against at least one major surface of the ceramic ring, providing an open ended metallic container positioned against the washer, subjecting the opposite open end of the container to a pressure in the range of 50 to 500 kg/cm2 for a period of
time from 5 minutes to 90 minutes, subjecting
simultaneously the container, washer and ceramic
ring in an inert atmosphere to a temperature in
the range from 5500C to 6250C.
In accordance with one aspect of the invention,
a thermocompression method of forming sodium
sulfur cell casing includes bending sequentially an
open ended metallic container to each opposite major surface of an electrically insulating ceramic ring.
The feature and advantages of the present invention will be further described, by way of example only, with reference to the accompanying drawing in which the Figure is a
sectional view of a sodium-sulfur casing made in
accordance with this invention.
In the single Figure of the drawing, there is shown generally at 10, a sodium-sulfur casing
made in accordance with the methods of this invention. Cell casing 10 is shown with an electrically insulating ceramic ring 11 of alphaalumina, which ring 11 has a central aperture 12 therethrough. A solid ion-conducting electrolyte
1 3 of sodium beta-alumina is shown partially positioned within aperture 12 of ceramic ring 11.
A glass seal 14 bonds the upper exterior surface of tube 13 to ceramic ring 11. The details of bonding a beta-alumina tube to a ceramic ring by means of a glass seal are described in detail in the above mentioned US Patent No.3,946,751. On each opposite major surface of ceramic ring 11 is provided an annular groove 15. An open-ended metallic container 16 of aluminum without flanges is bonded to the respective surface of ceramic ring 11 by means of a deformed aluminum washer 17 positioned in each of the grooves 15. This structure is a sodium-sulfur cell casing made in accordance with the methods of our invention.
We found that we could form a sodium-sulfur cell casing as shown in the single figure of the drawing by one method in which there is provided an electrically insulating ceramic ring of alphaalumina. An annular groove is provided in each opposite major surface of the ceramic ring. A metallic washer of aluminum is situated in one of the upper annular ring grooves. An open ended metallic container of aluminum is positioned against the washer. The opposite open end of the container is subject to a pressure in the range of 50 to 500 kg/cm2 for a period of time from 5 minutes to 90 minutes while the container, washer and ceramic ring are subjected to an inert atmosphere to a temperature in the range from 5500C to 6250C. A press and a furnace with an inert atmosphere are employed to provide the pressure, temperature and atmosphere.A second metallic washer of aluminum is positioned in the other annular ring groove after the assembly has been cooled. A second open ended metallic container of aluminum is positioned against the second washer. The opposite open end of the second container was subjected at a pressure in the range of 50 to 500 kg/cm2 for a period of time from 5 minutes to 90 minutes while the containers, the washers and the ceramic ring are subjected simultaneously in an inert atmosphere to a temperature in the range from 5500C to 6250 C. This is accomplished also with the above press and furnace.
We found also that we could form a sodiumsulfur cell casing as shown in the single Figure of the drawing by another method in which there is provided an electrically insulating ceramic ring of alpha-alumina. An annular groove is provided in each opposite major surface of the ceramic ring. A metallic washer is situated in each annular ring groove. A pair of open ended metallic containers of aluminum are positioned against each opposite washer. The opposite open end of each container is subjected simultaneously to a pressure in the range of 50 to 500 kg/cm2 for a period of time from 5 minutes to 90 minutes while the containers, washers and the ceramic ring are subjected simultaneously to an inert atmosphere to a temperature in the range from 550or to 625do. As in the first method, a press and furnace are employed.The simultaneous forming method is preferred.
We found that our methods for forming sodium-sulfur casings that the annular grooves are convenient for holding the metallic washers
However, the metallic washers can be placed directly on the major surfaces of a ceramic ring which does not have annular grooves. Various materials, such as chromized mild steel, aluminum and stainless steel, may be used for the containers. We prefer to use chromized mild steel.
The electrically insulating ceramic ring is preferably alpha-alumina. The washers are preferably made of aluminum. The furnace employs a reducing or inert atmosphere such as hydrogen or argon. Hermetic seals are produced using a range of temperatures from 5500C to 6250C with an associated pressure range of 50 to 500 kg/cm2. A time period of 5 minutes to 90 minutes achieves the desired hermetic seals between the respective containers and the ceramic ring. The initial metallic washers are deformed during either of the methods.
Examples of sodium-sulfur cell casings made in accordance with the methods of this invention are set forth below:
Example I
A plurality of sodium-sulfur cell casings were partially formed by one of my methods wherein one of the containers was bonded. An electrically insulating ceramic ring of alpha-alumina was provided. An annular groove was provided in each opposite major surface of the ceramic ring. A metallic washer of aluminum was situated in the upper annular ring groove. An open ended metallic container of aluminum was positioned against the washer. The opposite open end of the container was subjected to a pressure of 450 kg/cm2 for 60 minutes, while the container, washer and ceramic ring were subjected to an inert argon atmosphere at a temperature of 5850C. A press and a furnace with an inert atmosphere were employed to provide the pressure, temperature and atmosphere.The resulting structure was a partial cell casing made in accordance with one method of this invention.
Example II
A plurality of sodium-sulfur cell casings were formed by another of our methods wherein both containers were bonded simultaneously. Each cell casing was formed by providing an electrically insulating ceramic ring of alpha-alumina. An annular groove was provided in each opposite major surface of the ceramic ring. A metallic washer of aluminum was situated in each annular ring groove. A pair of open ended metallic containers of chromized mild steel were positioned against each opposite washer. The opposite open end of each container was subjected to a pressure of 450 kg/cm2 for 60 minutes while the containers, washers and the ceramic ring were subjected simultaneously to an inert atmosphere to a temperature of 5850C. As in the first method, a press and furnace were employed. The resulting structure was a cell casing made in accordance with another method of our invention.
Example Ill
A plurality of sodium-sulfur cell casings were formed by one of our methods wherein the containers were bonded sequentially. Each cell casing was formed by providing an electrically insulating ceramic ring of alpha-alumina. An annular groove was provided in each opposite major surface of the ceramic ring. A metallic washer of aluminum was situated in the upper annular ring groove. An open ended metallic container of chromized mild steel was positioned against the washer. The opposite open end of the container was subjected to a pressure of 450 kg/cm2 for 60 mintues while the container, washer and ceramic ring were subjected to an inert argon atmosphere at a temperature of 5850C. A press and a furnace with an inert atmosphere were employed to provide the pressure, temperature and atmosphere. A second metallic washer of aluminum was positioned in the other annular ring groove after the assembly had been cooled. A second open ended metallic container of chromized mild steel was positioned against the second washer. The opposite open end of the second container was subjected to a pressure of 450 kg/cm2 for 60 minutes while the containers, the washers and the ceramic ring were subjected simultaneously in an inert atmosphere of argon to a temperature of 5850C.
This was accomplished also with the above press and furnace. The resulting structure was a cell casing made in accordance with one method of our invention.
Example IV
A plurality of sodium-sulfur cell casings were formed by another of our methods wherein both containers were bonded simultaneously. Each cell casing was formed by providing an electrically insulating ceramic ring of alpha-alumina. An annular groove was provided in each opposite major surface of the ceramic ring. A metallic washer of aluminum was situated in each annular ring groove. A pair of open ended metallic containers of chromized mild steel were positioned against each opposite washer. The opposite open end of each container was subjected to a pressure of 450 kg/cm2 for 60 minutes while the containers, washers and the ceramic ring were subjected simultaneously to an inert atmosphere to a temperature of 5850C. As in the first method, a press and furnace were employed. The resulting structure was a cell casing made in accordance with another methodof our invention.
Example V
A plurality of sodium-sulfur cell casings were formed by one of our methods wherein the containers were bonded sequentially. Each cell casing was formed by providing an electrically insulating ceramic ring of alpha-alumina. A metallic washer of aluminum was situated against one major surface of the ceramic ring. An open ended metallic container of chromized mild steel was positioned against the washer. The opposite open end of the container was subjected to a pressure of 450 kg/cm2 for 60 minutes, while the container, washer and ceramic ring were subjected to an inert argon atmosphere at a temperature of 5850C. A press and a furnace with an inert atmosphere were employed to provide the pressure, temperature and atmosphere. A second metallic washer of aluminum was positioned against the other major surface of the ceramic ring after the assembly has been cooled.
A second open ended metallic container of chromized mild steel was positioned against the second washer. The opposite open end of the second container was subjected to a pressure of 450 kg/cm2 for 60 minutes while the containers, the washers and the ceramic ring were subjected simultaneously in an inert atmosphere of argon to a temperature of 5850C. This was accomplished also with the above press and furnace. The resulting structure was a cell casing made in accordance with one method of our invention.
Example VI
A plurality of sodium-sulfur cell casings were formed by another of our methods wherein both containers were bonded simultaneously. Each cell casing was formed by providing an electrically insulating ceramic ring of alpha-alumina. A metallic washer was situated against each opposite major surface of the ceramic ring. A pair of open ended metallic containers of chromized mild steel were positioned against each opposite washer. The opposite open end of each container was subjected to a pressure of 450 kg/cm2 for 60 minutes while the containers, washers and the ceramic ring were subjected simultaneously to an inert atmosphere to a temperature of 5850C. As in the first method, a press and furnace were employed. The resulting structure was a cell casing made in accordance with another method of our invention.
Claims (14)
1. A method of forming a sodium-sulfur cell casing which comprises providing an electrically insulating ceramic ring, situating a metallic washer against at least one major surface of the ceramic ring, providing an open ended metallic container positioned against the washer, subjecting the opposite open end of the container to a pressure in the range of 50 to 500 kg/cm2 for a period of time from 5 minutes to 90 minutes, subjecting simultaneously the container, washer and ceramic ring in an inert atmosphere to a temperature in the range of 5500C to 625cm.
2. A method as claimed in claim 1 further including situating a second metallic washer against the opposite major surface of the ceramic ring, providing a second open ended metallic container positioned against the second washer, subjecting the opposite open end of the second container to a pressure in the range of 50 to 500 kg/cm2 for a period of time from 5 minutes to 90 minutes, and subjecting simultaneously the containers, the washers, and the ceramic ring in an inert atmosphere to a temperature in the range from 5500C to 6250C.
3. A method of forming a sodium-sulfur cell casing as claimed in claim 2, in which an annular groove is provided in each opposite surface of the ceramic ring, and the metallic washers are situated in the grooves.
4. A method of forming a sodium-sulfur cell casing as claimed in claims 2 or 3, in which the electrically insulating ceramic ring is alphaalumina, each metallic washer is aluminium, and each metallic container is chromized mild steel.
5. A method of forming a sodium-sulfur cell casing as claimed in claims 2 or 3 in which the electrically insulating ceramic ring is alphaalumina, each metallic washer is aluminium, each metallic container is chromized mild steel, the temperature is 5850C, the time period is 60 minutes, and the pressure is 450 kg/cm2.
6. A method of forming a sodium-sulfur cell casing as claimed in claims 2 or 3 in which the electrically insulating ceramic is alpha-alumina, each metallic washer is aluminium, and each metal container is aluminium.
7. A method of forming a sodium-sulfur cell casing as claimed in claim 1 which comprises providing an electrically insulating ceramic ring, situating a metallic washer against each major surface of the ceramic ring, providing a pair of open ended metal containers with each container positioned against each opposite washer, subjecting simultaneously the opposite open end of each container to a pressure in the range of 50 to 500 kg/cm2 for a period of time from 5 minutes to 90 minutes, and subjecting the containers to a temperature in an inert atmosphere in the range from 5500C to 62500.
8. A method of forming a sodium-sulfur cell as claimed in claim 7 in which an annular groove is provided in each opposite surface of the ceramic ring, and the metallic washers are situated in the grooves.
9. A method of forming a sodium-sulfur cell as claimed in claims 7 or 8 in which the electrically insulating ceramic ring is alpha-alumina, the metallic washers are aluminium, and the metallic containers are chromized mild steel.
10. A method of forming a sodium-sulfur cell as claimed in claims 7 or 8 in which the electrically insulating ceramic ring is alphaalumina, the metallic washers are aluminium, the metal containers are chromized mild steel, the temperature is 58500, the time period is 60 minutes, and the pressure is 450 kg/cm2.
11. A method of forming a sodium-sulfur cell casing as claimed in claims 7 or 8 in which the electrically insulating ceramic ring is alphaalumina, the metallic washers are aluminium, the metal containers are aluminium, the temperature is 5850C, the time period is 60 minutes, and the pressure is 450 kg/cm2.
12. A method of forming a sodium-sulfur cell as claimed in claim 1 substantially as hereinbefore described with reference to and as illustrated to the accompanying drawing.
13. A method of forming a sodium-sulfur cell substantially as hereinbefore described in any one of the examples.
14. A sodium-sulfur cell when produced by a method as claimed in any one of the preceding claims.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US725379A | 1979-01-29 | 1979-01-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2041812A true GB2041812A (en) | 1980-09-17 |
GB2041812B GB2041812B (en) | 1982-10-20 |
Family
ID=21725094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7937869A Expired GB2041812B (en) | 1979-01-29 | 1979-11-01 | Sealing sodium-sulphur cell casings |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS55113256A (en) |
DE (1) | DE3002568A1 (en) |
FR (1) | FR2447616A1 (en) |
GB (1) | GB2041812B (en) |
IT (1) | IT1129773B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2126774A (en) * | 1982-07-19 | 1984-03-28 | Yuasa Battery Co Ltd | Method of manufacturing sodium-sulphur batteries |
GB2135501A (en) * | 1983-01-07 | 1984-08-30 | Sonval Sa | Gas-tight primary cell/battery |
FR2599896A1 (en) * | 1986-06-06 | 1987-12-11 | Comp Generale Electricite | Method for securing by thermocompression a tube made of beta- or beta''-alumina and a support made of insulating ceramic in an electrochemical sodium-sulphur generator and electrochemical generators making use thereof |
CN103123985A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Vacuum press mounting structure of sodium-sulfur battery |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2248617A1 (en) * | 1973-10-17 | 1975-05-16 | Comp Generale Electricite | Sodium-sulphur electrochemical cell - uses glass to seal space between electrolyte tube and support disc |
FR2333358A1 (en) * | 1975-11-28 | 1977-06-24 | Comp Generale Electricite | SULFUR-SODIUM ELECTROCHEMICAL GENERATOR |
DE2556279A1 (en) * | 1975-12-13 | 1977-06-16 | Bbc Brown Boveri & Cie | Seal ring for ceramic to metal jointing esp. in electric cells - has diamond-shaped profile and is of soft metal, e.g. gold or aluminium |
GB1574804A (en) * | 1976-05-20 | 1980-09-10 | Chloride Silent Power Ltd | Metal-to-ceramic seals |
US4109063A (en) * | 1977-06-17 | 1978-08-22 | General Electric Company | Composite body |
US4142945A (en) * | 1977-06-22 | 1979-03-06 | General Electric Company | Method of forming a composite body and method of bonding |
US4124740A (en) * | 1977-12-27 | 1978-11-07 | Electric Power Research Institute, Inc. | Sodium-sulfur battery |
-
1979
- 1979-11-01 GB GB7937869A patent/GB2041812B/en not_active Expired
-
1980
- 1980-01-24 IT IT19417/80A patent/IT1129773B/en active
- 1980-01-25 DE DE19803002568 patent/DE3002568A1/en not_active Withdrawn
- 1980-01-28 FR FR8001734A patent/FR2447616A1/en active Pending
- 1980-01-29 JP JP837680A patent/JPS55113256A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2126774A (en) * | 1982-07-19 | 1984-03-28 | Yuasa Battery Co Ltd | Method of manufacturing sodium-sulphur batteries |
GB2135501A (en) * | 1983-01-07 | 1984-08-30 | Sonval Sa | Gas-tight primary cell/battery |
FR2599896A1 (en) * | 1986-06-06 | 1987-12-11 | Comp Generale Electricite | Method for securing by thermocompression a tube made of beta- or beta''-alumina and a support made of insulating ceramic in an electrochemical sodium-sulphur generator and electrochemical generators making use thereof |
CN103123985A (en) * | 2012-12-12 | 2013-05-29 | 上海电气钠硫储能技术有限公司 | Vacuum press mounting structure of sodium-sulfur battery |
CN103123985B (en) * | 2012-12-12 | 2015-05-13 | 上海电气钠硫储能技术有限公司 | Vacuum press mounting structure of sodium-sulfur battery |
Also Published As
Publication number | Publication date |
---|---|
IT1129773B (en) | 1986-06-11 |
IT8019417A0 (en) | 1980-01-24 |
DE3002568A1 (en) | 1980-07-31 |
JPS55113256A (en) | 1980-09-01 |
FR2447616A1 (en) | 1980-08-22 |
GB2041812B (en) | 1982-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |