JPH02257575A - Sodium-sulfur cell and manufacture thereof - Google Patents
Sodium-sulfur cell and manufacture thereofInfo
- Publication number
- JPH02257575A JPH02257575A JP1079488A JP7948889A JPH02257575A JP H02257575 A JPH02257575 A JP H02257575A JP 1079488 A JP1079488 A JP 1079488A JP 7948889 A JP7948889 A JP 7948889A JP H02257575 A JPH02257575 A JP H02257575A
- Authority
- JP
- Japan
- Prior art keywords
- sodium
- cathode
- chamber
- negative electrode
- solid electrolyte
- 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
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 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 claims abstract description 29
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 29
- 239000011734 sodium Substances 0.000 claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000007784 solid electrolyte Substances 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 229910001415 sodium ion Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 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)
- Secondary Cells (AREA)
Abstract
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−硫黄電池とその製造法に関するも
ので１さらに詳しく言えば陰極室内にナトリウムを気密
性よく充填できる電池とその製造法に関するものである
。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a sodium-sulfur battery and its manufacturing method.1 More specifically, it relates to a battery whose cathode chamber can be filled with sodium in an airtight manner and its manufacturing method. .
従来技術とその問題点
すＦリウムー硫黄電池は、陰極活物質としてのナトリウ
ムと、陽極活物質としての硫黄とをβ′−アルミナの如
きナトリウムイオン伝導性の固体電解質管により分離さ
せてなる完全密閉構造の高温型二次電池である・
このようなナトリウム−硫黄電池の従来の構造を第３図
により説明する。固体電解質Ｗ１の上端にａ−ア／Ｖミ
ナリング２がガラス半田接合され１このａ−ア＊１ナリ
ング２の上ｍｃ陰極蓋３が、下面に陽極蓋４がそれぞれ
熱圧接合されている。前記陰Ｗｉ！！３には陰極端子５
が溶接されるとともに、その中央部を貫通して陰極集電
体としての陰極パイプ６が溶接され、その下方は前記固
体電解質管１内に挿入されている。Conventional technology and its problemsF lithium-sulfur batteries are completely sealed batteries in which sodium as a cathode active material and sulfur as an anode active material are separated by a sodium ion conductive solid electrolyte tube such as β'-alumina. The conventional structure of such a sodium-sulfur battery, which is a high-temperature secondary battery, will be explained with reference to FIG. An a-a/V minaring 2 is bonded to the upper end of the solid electrolyte W1 by glass soldering, and an upper mc cathode cover 3 and an anode cover 4 are bonded to the bottom surface of the a-a*1 anode ring 2 by thermo-pressure bonding, respectively. Said Yin Wi! ! 3 has cathode terminal 5
is welded, and a cathode pipe 6 serving as a cathode current collector is welded to pass through the center thereof, and the lower part thereof is inserted into the solid electrolyte tube 1.
この固体電解質管１内には金属繊維７が配され、約１５
０℃の保温下において前記陰極バイブロより固体電解質
管１内を排気した後、同温度で溶融させたナトリウム８
が真空充填され、充填後論極端子５の上端は封止される
。このような陰極室構成体は、円筒形の硫黄成型体１０
が内挿され１陽極集電端子１１が溶接された陽極集電体
を兼ねる電槽９内に挿入され、陽極集電端子１１を外側
に折り曲げるとともに、電槽９の上端は前記陽極：１ｌ
ｆｆｉ４と真空溶接されて完全密閉される。Metal fibers 7 are disposed inside this solid electrolyte tube 1, and approximately 15
After evacuating the inside of the solid electrolyte tube 1 from the cathode vibro while keeping the temperature at 0°C, sodium 8 melted at the same temperature.
is vacuum filled, and after filling, the upper end of the logic terminal 5 is sealed. Such a cathode chamber structure consists of a cylindrical sulfur molded body 10.
The anode current collector terminal 11 is inserted into a battery case 9 which also serves as an anode current collector, and the anode current collector terminal 11 is welded thereto.
Vacuum welded to ffi4 and completely sealed.
上記の如き構造のナトリウム−硫黄電池では、陰極端子
５の上端よりナトリウム８を真空充填しているため、充
填後論極端子５の内側にナトリウムが付着することがあ
り、陰Ｗ１ｍ子５の上端の封止が不完全になって不良が
発生するという問題点があった。In the sodium-sulfur battery having the above structure, since sodium 8 is vacuum-filled from the upper end of the negative terminal 5, sodium may adhere to the inside of the negative terminal 5 after filling. There was a problem in that the sealing was incomplete and defects occurred.
発明の目的
本発明は上記欠点を解消するもので１陰極端子の上部に
形成した凹部の底部に貫通穴を設け、この凹部にナトリ
ウムタンクを位置させて陰極室内にすＦリウムを充填す
ることにより、陰極端子の上端にすＦリウムが付着する
ことを防止するものである。Purpose of the Invention The present invention solves the above-mentioned drawbacks by providing a through hole at the bottom of the recess formed in the upper part of the cathode terminal, placing a sodium tank in the recess, and filling the cathode chamber with F. This prevents F from adhering to the upper end of the cathode terminal.
発明の構成
本発明のナトリウム−硫黄電池とその製造法は、陰極端
子の上部に形成した凹部の底部に貫通穴と突起部とを設
け、この凹部にナトリウムタンクを位置させ、前記突起
部によりナトリウムタンクに穿孔して陰極室内にナトリ
ウムを真空充填するものである＠
実施例
以下実施例により説明する。第１図は本発明のす）９ウ
ムー硫黄電池の要部断面図で、第３図と共通する部分に
は同じ符号を付している。Structure of the Invention The sodium-sulfur battery and the manufacturing method thereof of the present invention provide a through hole and a protrusion at the bottom of a recess formed in the upper part of the cathode terminal, a sodium tank is positioned in the recess, and the sodium is removed by the protrusion. A hole is drilled into the tank and sodium is vacuum-filled into the cathode chamber. FIG. 1 is a cross-sectional view of a main part of a 9 mm sulfur battery according to the present invention, and parts common to those in FIG. 3 are given the same reference numerals.
第１図において、固体電解質管１はその上部が開放され
た外径４６Ｂ、内径４０ｆｉ、長さ４００髄のβ′−ア
ルミナからなり〜その上部開放端に外径５６１１１１．
内径４０ＩＩＩｓ、厚さ１５鴫のα−アルミナリング２
がガラス半田接合される。このα−アルミナリング２の
上面にはアルミニウム被覆鉄またはステンレスからなる
陰極蓋３が熱圧接合され、下面には同材質からなる陽ｔ
ｉｎ！４が熱圧接合される。前記固体電解質管１内には
ステンレスからなる金ｊｉＩｍ維７が充填されて陰極室
が構成される。一方、上部に凹部５ムを有し、この凹部
５ムの底部に突起部５Ｂを有しかつ該底部に貫通穴５０
を設けた陰極端子５を準備し、前記貫通穴５０の下方か
ら溝部６ム′を有する陰極集電体６ムの一端を僚入させ
、この陰極集電体６ムの他端を前記金属繊維７内に挿入
して陰極端子５を陰極蓋５に溶接する。次に、第２図（
〜のように、凹部５ムの底部Ｎ：０りング１２を配し、
その上方にナトリウム８を充填したナトリウムタンク１
３を位置させ、加熱下において前記貫通穴５０より陰極
室内を排気した後１第２図Φ）のように、突起部５Ｂに
よりナトリウムタンク１３に穿孔して陰極室内にナトリ
ウム８を真空充填して陰極室構成体とする。冷却した後
、ナトリウふタンク１５と０りング１２とを除去し、第
１図のように凹部５ム内に、内側にねじ部を有する陰極
端子！！１４を溶接して陰極室を密閉するとともに、前
記陰極室構成体に取り付けられた陽極蓋４１Ｃ電檀９の
上端を溶接し、固体電解質管１と電槽９との間隙に下方
から硫黄成型体１０を挿入して陽極室を構成し、電槽９
の下端に底！デを溶接して陽極室を真空密閉して完成電
池とするものである。In FIG. 1, the solid electrolyte tube 1 is made of β'-alumina with an open upper end having an outer diameter of 46B, an inner diameter of 40fi, and a length of 400 mm.
α-Alumina ring 2 with inner diameter 40IIIs and thickness 15mm
are joined with glass solder. A cathode lid 3 made of aluminum-coated iron or stainless steel is bonded by heat and pressure to the upper surface of the α-alumina ring 2, and a cathode lid 3 made of the same material is bonded to the lower surface of the α-alumina ring 2.
In! 4 are thermo-pressure bonded. The solid electrolyte tube 1 is filled with gold fibers 7 made of stainless steel to form a cathode chamber. On the other hand, the upper part has a recess 5m, the bottom of this recess 5m has a protrusion 5B, and the bottom has a through hole 50.
Prepare a cathode terminal 5 provided with a metal fiber, insert one end of a cathode current collector 6m having a groove 6m from below the through hole 50, and connect the other end of the cathode current collector 6m with the metal fiber. 7 and weld the cathode terminal 5 to the cathode cover 5. Next, see Figure 2 (
Arrange the N:0 ring 12 at the bottom of the concave portion 5m as shown in ~,
Sodium tank 1 filled with sodium 8 above it
After evacuating the cathode chamber from the through hole 50 under heating, the sodium tank 13 is bored through the protrusion 5B and sodium 8 is vacuum filled into the cathode chamber, as shown in FIG. 2 (Φ). A cathode chamber structure. After cooling, the sodium tank 15 and O ring 12 are removed, and a cathode terminal having a threaded portion on the inside is placed in the recess 5m as shown in FIG. ! 14 to seal the cathode chamber, and at the same time weld the upper end of the anode cover 41C battery 9 attached to the cathode chamber structure, and insert a sulfur molded body into the gap between the solid electrolyte tube 1 and the battery case 9 from below. 10 to form an anode chamber, and the battery case 9
Bottom to the bottom edge of! The battery is then welded and the anode chamber is sealed in vacuum to form a completed battery.
上記のような製造法であるから、陰極端子５の先端にナ
トリウムが付着したり、そのための溶接時の不良を防止
することができる。また、充填時に陰極端子５の先端に
接続用のパイプを配する必要がなくなるので、充填に要
する時間や部品を少なくすることができる。The manufacturing method described above prevents sodium from adhering to the tip of the cathode terminal 5 and thereby preventing defects during welding. Furthermore, since there is no need to provide a connecting pipe at the tip of the cathode terminal 5 during filling, the time and number of parts required for filling can be reduced.
発明の効果
実施例において詳述した如く、本発明電池は気密性がよ
いので品質が安定している。また、その製造法はナトリ
ウムの充填に要する時間や部品を少なくできるので、量
産化に対処することができる。Effects of the Invention As described in detail in the Examples, the battery of the present invention has good airtightness and thus has stable quality. In addition, this manufacturing method can reduce the time and parts required for filling sodium, making it suitable for mass production.
第１図は本発明のナトリウム−硫黄電池の要部断面図、
第２図（〜、Φ）は本発明の詳細な説明するための図、
第３図は従来のナトリウム−硫黄電池の断面図である。FIG. 1 is a sectional view of the main parts of the sodium-sulfur battery of the present invention,
FIG. 2 (~, Φ) is a diagram for detailed explanation of the present invention,
FIG. 3 is a cross-sectional view of a conventional sodium-sulfur battery.
Claims (2)
α−アルミナリングが接合され、このα−アルミナリン
グの上面に陰極蓋が熱圧接合されるとともに、この陰極
蓋に溶接されて前記固体電解質管内に陰極室を形成する
陰極端子を有し、かつ前記α−アルミナリングの下面に
陽極蓋が熱圧接合されるとともに、この陽極蓋に溶接さ
れて前記固体電解質管を下方から被包して固体電解質管
との 間隙に陽極室を形成する電槽を有してなるナトリウム−
硫黄電池において、前記陰極端子の上部に形成した凹部
の底部に貫通穴を設け、この貫通穴の下方から溝部を有
する陰極集電体を嵌入させるとともに、前記凹部の底部
に突起部を有し、この突起部の上部に陰極端子蓋を溶接
して陰極室を密閉したことを特徴とするナトリウム−硫
黄電池。(1) An α-alumina ring is bonded to the upper end of the solid electrolyte tube that conducts sodium ions, and a cathode lid is heat-pressure bonded to the top surface of this α-alumina ring, and the solid electrolyte is welded to the cathode lid. The tube has a cathode terminal forming a cathode chamber, and an anode lid is thermo-pressure bonded to the lower surface of the α-alumina ring, and is welded to the anode lid to cover the solid electrolyte tube from below. A sodium battery comprising a battery case forming an anode chamber in the gap between the solid electrolyte tube and the solid electrolyte tube.
In a sulfur battery, a through hole is provided at the bottom of a recess formed at the top of the cathode terminal, a cathode current collector having a groove is inserted from below the through hole, and a protrusion is provided at the bottom of the recess; A sodium-sulfur battery characterized in that a cathode terminal cover is welded to the top of the protrusion to seal the cathode chamber.
α−アルミナリングをガラス半田接合し、このα−アル
ミナリングの上面に陰極蓋を、下面に陽極蓋を熱圧接合
し、前記固体電解質管内に金属繊維を充填して陰極室を
構成し、一方、上部に凹部を有し、この凹部の底部に突
起部を有しかつ該底部に貫通穴を設けた陰極端子を準備
し、前記貫通穴の下方から溝部を有する陰極集電体の一
端を嵌入させ、この陰極集電体の他端を前記金属繊維内
に挿入して陰極端子を陰極蓋に溶接した後、前記凹部の
上方にナトリウムタンクを位置させ、加熱下において前
記貫通穴より陰極室内を排気した後、前記突起部により
ナトリウムタンクに穿孔して陰極室内にナトリウムを真
空充填して陰極室構成体とし、この構成体に取り付けら
れた陽極蓋に電槽を溶接して固体電解質管と電槽との間
隙に下方から硫黄成型体を挿入して陽極室とし、底蓋を
溶接して陽極室を密閉したことを特徴とするナトリウム
−硫黄電池の製造法。(2) An α-alumina ring is glass soldered to the upper end of the solid electrolyte tube that conducts sodium ions, and a cathode lid is heat-pressure bonded to the upper surface of the α-alumina ring, and an anode lid is bonded to the lower surface of the α-alumina ring. is filled with metal fibers to form a cathode chamber, and on the other hand, a cathode terminal is prepared, which has a recess at the top, a protrusion at the bottom of the recess, and a through hole in the bottom; One end of a cathode current collector having a groove is inserted from below, the other end of this cathode current collector is inserted into the metal fibers, and the cathode terminal is welded to the cathode lid. Then, a sodium tank is placed above the recess. After evacuating the cathode chamber from the through hole under heating, the sodium tank is bored by the protrusion and sodium is vacuum filled into the cathode chamber to form a cathode chamber structure. A sodium battery characterized in that a battery case is welded to the anode cover, a sulfur molded body is inserted from below into the gap between the solid electrolyte tube and the battery case to form an anode chamber, and a bottom cover is welded to seal the anode chamber. Method of manufacturing sulfur batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1079488A JPH02257575A (en) | 1989-03-29 | 1989-03-29 | Sodium-sulfur cell and manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1079488A JPH02257575A (en) | 1989-03-29 | 1989-03-29 | Sodium-sulfur cell and manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02257575A true JPH02257575A (en) | 1990-10-18 |
Family
ID=13691286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1079488A Pending JPH02257575A (en) | 1989-03-29 | 1989-03-29 | Sodium-sulfur cell and manufacture thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02257575A (en) |
-
1989
- 1989-03-29 JP JP1079488A patent/JPH02257575A/en active Pending
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