JPH0343967A - Sodium-sulfur battery and its production - Google Patents
Sodium-sulfur battery and its productionInfo
- Publication number
- JPH0343967A JPH0343967A JP1182771A JP18277189A JPH0343967A JP H0343967 A JPH0343967 A JP H0343967A JP 1182771 A JP1182771 A JP 1182771A JP 18277189 A JP18277189 A JP 18277189A JP H0343967 A JPH0343967 A JP H0343967A
- Authority
- JP
- Japan
- Prior art keywords
- sodium
- cathode
- battery
- current collector
- bottom cover
- 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 13
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 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 41
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 41
- 239000011734 sodium Substances 0.000 claims abstract description 41
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 3
- 239000000615 nonconductor Substances 0.000 claims description 3
- 229910001415 sodium ion Inorganic materials 0.000 claims description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000717 retained effect Effects 0.000 abstract 3
- 238000005429 filling process Methods 0.000 abstract 1
- 239000011149 active material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 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
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005476 soldering 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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
-
- 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)
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、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、安全性が向上できる電池とその製造
法に関するものであるＯ
従来技術とその問題点
す）ＩＩ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＆ｔｌｌｌ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
。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a sodium-sulfur, yellow battery and its manufacturing method. More specifically, the present invention relates to a battery in which the cathode chamber can be filled with sodium in an airtight manner, thereby improving safety. (2) Prior art and its problems (2) The Umu sulfur battery uses sodium as a cathode active material and &tllll as an anode active material using a sodium ion conductive material such as β'-alumina. This is a high-temperature secondary battery with a completely sealed structure separated by a solid electrolyte tube.
このようなナトリウム−硫黄電池の従来の構造を第５図
により説明する。固体電解質管１の上端にα−アルミナ
リング２がガラス半田接合され、このα−アルミナリン
グ２の上面に陰極蓋３が、下面に陽極蓋４がそれぞれ熱
圧接合されている。前記陰極蓋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
ての陰極バイブ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。The conventional structure of such a sodium-sulfur battery will be explained with reference to FIG. An α-alumina ring 2 is bonded to the upper end of the solid electrolyte tube 1 by glass soldering, and a cathode cover 3 is bonded to the upper surface of the α-alumina ring 2, and an anode cover 4 is bonded to the lower surface thereof by heat pressure. A cathode terminal 5 is welded to the cathode lid 3, and a cathode vibe 6 as a cathode current collector is welded to the cathode terminal 5 passing through its center, 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［Ｆ７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す２ウム８が
真空充填され、充填後陰極端子５の上端は封止される。In this solid electrolyte tube 1, a metal [F7 is arranged, about 15
After the inside of the solid electrolyte tube 1 is evacuated from the cathode vibro while being kept at 0.degree. C., it is vacuum filled with 2 um 8 melted at the same temperature, and after filling, the upper end of the cathode terminal 5 is sealed.
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、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５−
１１を外側に折り曲げるとともに、電槽９の上端は前記
陽極蓋４と真空溶接されて完全密閉される。Such a cathode chamber structure is inserted into a battery case 9 which also serves as an anode current collector, into which a cylindrical sulfur molded body 10 is inserted and an anode current collector terminal 11 is welded, and the anode current collector terminal 5- 11 is bent outward, and the upper end of the battery case 9 is vacuum welded to the anode cover 4 to be 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
填後陰極端子５の内側にナトリウムが付着することがあ
り、陰極端子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。また固体電解質ｔ１が破
損すると、硫黄とナトリウムとが直接反応し、活物質な
どが漏出して隣接する正常な電池も破損させて大規模な
事故になるという問題点があった。さらに、ナトリウム
８の充填時に電池外の不活性ガスが固体電解質管１内に
吸引されるため、金属繊維７内１こナトリウム８が均一
に充填されず、放電特にオδける固体電解’Ｊ管１の電
流密度にバラツキを生じ、固体電解質管１を劣化させる
という問題点があった０
発明の目的
本発明は上記欠点を解消するもので、固体電６−
解質管内の金属繊維に接続させる陰極集電容器によって
ナトリウムタンクを保拘できるようにして陰極室内にナ
トリウムを充填することにより、陰極端子の上端にす）
ＩＪウムが付着することを防止し、かつナトリウムを金
属繊維内に均一に充填させることを目的とする。In the sodium-sulfur battery with the above structure, sodium 8 is vacuum-filled from the upper end of the cathode terminal 5, so sodium may adhere to the inside of the cathode terminal 5 after filling, and the upper end of the cathode terminal 5 may be sealed. There was a problem in that the stop was incomplete and defects occurred. Furthermore, when the solid electrolyte t1 is damaged, sulfur and sodium react directly, and the active material leaks out, causing damage to adjacent normal batteries, resulting in a large-scale accident. Furthermore, since the inert gas outside the battery is sucked into the solid electrolyte tube 1 when filling the sodium 8, the sodium 8 is not evenly filled into the metal fiber 7, causing discharge, especially in the solid electrolyte tube 1. There was a problem in that the current density of the solid electrolyte tube 1 varied, causing deterioration of the solid electrolyte tube 1.Object of the Invention The present invention solves the above-mentioned drawbacks. By filling the cathode chamber with sodium so that the sodium tank can be held by the cathode current collector container, the upper end of the cathode terminal is
The purpose is to prevent IJium from adhering and to uniformly fill the metal fibers with sodium.
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、陰極集
電容器の底蓋部材に内側に内方に向く突起を設け、かつ
この底蓋部材の底面に上方に向く突起を設け、前記内方
に向く突起によりナトリウムタンクを保持し、かつ前記
上方に向く突起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。Structure of the Invention The sodium-sulfur battery and the manufacturing method thereof of the present invention provide a bottom cover member of a cathode current collector container with an inwardly directed protrusion, a bottom face of the bottom cover member with an upwardly directed protrusion, The inwardly directed protrusion holds the sodium tank, and the upwardly directed protrusion perforates the sodium tank to vacuum fill the cathode chamber with sodium.
実施例
以下実施例により説明する。第１図は本発明のナトリウ
ム−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。EXAMPLES The present invention will be explained below using examples. FIG. 1 is a sectional view of the main parts of the sodium-sulfur battery of 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４５關、内径５８匍、長さ４００咽のβ′−アル
ミナからなり、その上部開放端に外径５６情、内径３８
澗Ｌ１厘さ１０關のａ−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ヌテンレヌからなる陰極蓋３が熱
圧接合され、下面には同拐質からなる陽極蓋４が熱圧接
合される。前記固体電解質管１内にはヌテンレヌフエル
トからなる金ｌｔ４ｍ維１２を、中心穴を設ける如く巻
回して固体電解質管１内に収納して陰極室を栴戒する。In FIG. 1, the solid electrolyte tube 1 is made of β'-alumina and has an outer diameter of 45 mm, an inner diameter of 58 mm, and a length of 400 mm, and has an open upper end.
A-alumina ring 2 with a diameter of 10 mm is glass soldered. A cathode lid 3 made of aluminum-coated iron or nutene is bonded to the upper surface of the α-alumina ring 2 under heat and pressure, and an anode lid 4 made of aluminium is bonded to the bottom surface of the α-alumina ring 2 by heat and pressure. Inside the solid electrolyte tube 1, a gold 4m fiber 12 made of Nutenrene felt is wound so as to provide a center hole and housed in the solid electrolyte tube 1 to clean the cathode chamber.
一方、円筒形の陰極集電容器１３を準備し、この陰極集
電容器１５用の第１の底蓋部材１８の上部に、内方に向
く突起１６′を有する環状部材１６を配し、その上部に
第２の底蓋部材１７を配して前記第１の底蓋部材１８の
底面が前記金属繊維１２に接触する如く陰極集電容器１
３に溶接するとともに、この陰極集電容器１３の上縁部
を陰極蓋３の内周縁部に溶接する。なお、前記第１の底
蓋部材１８の底面には、第２図（ｂ）の拡大図の如く穴
１４と上方に向いた突起１５とを設けている。On the other hand, a cylindrical cathode current collector container 13 is prepared, and an annular member 16 having an inwardly facing protrusion 16' is disposed on the top of the first bottom cover member 18 for the cathode current collector container 15. The cathode current collector container 1 is arranged such that the second bottom cover member 17 is disposed so that the bottom surface of the first bottom cover member 18 is in contact with the metal fiber 12.
At the same time, the upper edge of the cathode current collector container 13 is welded to the inner peripheral edge of the cathode lid 3. The bottom surface of the first bottom cover member 18 is provided with a hole 14 and an upwardly directed protrusion 15, as shown in the enlarged view of FIG. 2(b).
この穴１４と突起１５とは、第１の底蓋部材１８の底面
にＶ字形の切り込みを入れ、この切り込み部を上方に向
けることにより容易に形成することができる。次に、前
記陽極Ｍ４に陽極補助蓋４’、 ４’を溶接する。そし
て、第２図（ａ）、（ｂ）のように、第１の底蓋部材１
８内に０リング１９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２１を位置させ、加熱下にお
いて前記穴１４より陰極室内を排気した後、ナトリウム
タンク２１を前記突起１６′で保持させるとともに、突
起１５によりナトリウムタンク２１に穿孔して陰極室内
にナトリウム８を真空充填する。冷却した後、ナトリウ
ムタンク２１とＯリング１９とを除去し、第２の底蓋部
材１７に陰極集電容器上蓋２０を溶接して陰極室禍成体
とする。この陰極室禍成体を硫黄成型体１０が装填され
た電槽９内に挿入する。一方、下部内側に電池作動温度
で溶融する金属としての鉛または鉛合金２２を充填固化
させた陰極端子２５を、電気絶縁体２６を介して電槽蓋
２５に固定９−
するとともに、この！神蓋２５に陽極端子２４を溶接し
たものを準備し、１［ｍ２５の下端に陽極補助蓋４′を
溶接して完成電池とする。The hole 14 and the protrusion 15 can be easily formed by making a V-shaped cut in the bottom surface of the first bottom cover member 18 and directing the cut portion upward. Next, anode auxiliary lids 4', 4' are welded to the anode M4. Then, as shown in FIGS. 2(a) and 2(b), the first bottom cover member 1
An O-ring 19 is placed inside the O-ring 19, and a sodium tank 21 filled with sodium 8 is positioned above the O-ring 19. After evacuating the cathode chamber from the hole 14 under heating, the sodium tank 21 is held by the protrusion 16'. At the same time, the sodium tank 21 is bored by the protrusion 15, and sodium 8 is vacuum-filled into the cathode chamber. After cooling, the sodium tank 21 and O-ring 19 are removed, and the cathode current collector container upper cover 20 is welded to the second bottom cover member 17 to complete the cathode chamber. This cathode chamber molded body is inserted into a battery case 9 loaded with a sulfur molded body 10. On the other hand, a cathode terminal 25 in which lead or a lead alloy 22, which is a metal that melts at the battery operating temperature, is filled and solidified inside the lower part is fixed to the battery case lid 25 through an electrical insulator 26, and this! A divine lid 25 with an anode terminal 24 welded thereto is prepared, and an anode auxiliary lid 4' is welded to the lower end of the 1 [m25] to form a completed battery.
今、第１図のような本発明電池と第６図のような従来電
池とをそれぞれ１０セｐずつ製作し、室温：３ｓｏ’ｂ
、昇降温速度約１５０℃〜２００℃／ｈでヒートサイク
μ試験を行い、結果を表−１に示す。表−１において、
分子は活物質などが汲出した電池数または内部短絡した
電池数、分母は破損電池数を示す。なお、電池は破損す
ると電圧が急激に低下するので、電圧の低下で破損電池
の確認を行った。Now, a battery of the present invention as shown in FIG. 1 and a conventional battery as shown in FIG.
A heat cycle μ test was conducted at a temperature increase/decrease rate of approximately 150°C to 200°C/h, and the results are shown in Table 1. In Table-1,
The numerator indicates the number of batteries with active material pumped out or internal short circuits, and the denominator indicates the number of damaged batteries. Note that when a battery is damaged, the voltage drops rapidly, so we checked for a damaged battery based on the drop in voltage.
表 −１
表−１から、従来電池は破損した場合、活物質などが漏
出する場合が多く、そのすべてが内１０−
部短絡していたのに対し、本発明電池は陽極補助蓋４’
、 ４’により柔軟構造にしているため、破損しても活
物質などの漏出もなく、また反応熱により陰極集電容器
１６などが溶解するため、内部短絡も認められなかった
。Table 1 From Table 1, it can be seen that when conventional batteries are damaged, active materials often leak out, and all of them are short-circuited at the inner 10 parts, whereas the batteries of the present invention have an anode auxiliary lid 4'.
, 4' has a flexible structure, so even if it breaks, there is no leakage of the active material, and since the cathode current collector container 16 and the like are melted by the reaction heat, no internal short circuits were observed.
上記のような製造法であるから、陰極端子２３の先端に
ナトリウムが付着することはなく、そのための溶接不良
も防止することができる。また１ナトリウムタンク２１
を環状部材１６に設けた突起１６′により保持できるの
で、ナトリウム８の充填時に陰極室内の気密性の保持が
容易になる。従って、ナトリウム８を金属繊維１２内に
均一に充填することができる。さらに、環状部材１６の
突起１６′にねじの作用をさせるとナトリウムタンク２
１の着脱が容易になる。Since the above manufacturing method is used, sodium does not adhere to the tip of the cathode terminal 23, and welding defects due to this can be prevented. Also 1 sodium tank 21
can be held by the protrusion 16' provided on the annular member 16, making it easy to maintain airtightness within the cathode chamber when filling with sodium 8. Therefore, sodium 8 can be uniformly filled into the metal fibers 12. Furthermore, when the protrusion 16' of the annular member 16 is screwed, the sodium tank 2
1 becomes easy to attach and detach.
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、電池が破損した場合
も、ナトリウムと硫黄との直接反応熱により陰極集電容
器１５などが溶解されるので、内部短絡の発生が防止で
きる。さらに、その１１１！！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. Further, even if the battery is damaged, the cathode current collector container 15 and the like are melted by the heat of the direct reaction between sodium and sulfur, thereby preventing the occurrence of internal short circuits. Furthermore, 111! ! 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（ａ） 、 （ｂ）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,
FIGS. 2(a) and 2(b) are diagrams for explaining the present invention in detail, and FIG. 3 is a sectional view of a conventional sodium-sulfur battery.
Claims (5)
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
蓋とともに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、前記陰極蓋の内周縁部に陰極集電容
器の上縁部を溶接し、この陰極集電容器の下部内周縁部
に第１の底蓋部材の少なくとも一部を陰極室内の金属繊
維に接触させて配し、かつ前記陰極集電容器の内側に、
電池作動温度で溶融する金属が充填固化された陰極端子
を配し、この陰極端子に電気絶縁体を介して電槽蓋を固
定し、この電槽蓋を電槽に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。(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. It has a cathode terminal forming a chamber, and an anode lid is heat-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 to form a solid electrolyte tube. A sodium battery comprising a battery case forming an anode chamber in the gap between the
In the sulfur battery, the upper edge of the cathode current collector container is welded to the inner peripheral edge of the cathode lid, and at least a part of the first bottom cover member is attached to the metal fiber inside the cathode chamber at the lower inner peripheral edge of the cathode current collector container. arranged in contact with each other and inside the cathode current collector container,
A cathode terminal filled with solidified metal that melts at the battery operating temperature is arranged, a battery case cover is fixed to this cathode terminal via an electrical insulator, and the battery case cover is welded to the battery case to seal the anode chamber. A sodium-sulfur battery characterized by:
、切り込み部を上方に向けて穴と突起とを形成したこと
を特徴とする請求項第１項記載のナトリウム−硫黄電池
。(2) The sodium-sulfur battery according to claim 1, wherein a V-shaped cut is made in the bottom surface of the first bottom cover member, and the hole and the protrusion are formed with the cut portion facing upward.
部材の上部に、内方に向く突起を有する環状部材を配し
、その上部に第２の底蓋部材を配して陰極集電容器に溶
接したことを特徴とする請求項第１項または第２項記載
のナトリウム−硫黄電池。(3) An annular member having an inwardly directed protrusion is disposed on the top of the first bottom cover member disposed on the inner peripheral edge of the lower part of the cathode current collector container, and a second bottom cover member is disposed on the top of the annular member. 3. The sodium-sulfur battery according to claim 1, wherein the battery is welded to the cathode current collector container.
回して固体電解質管内に収納して陰極室を形成するとと
もに、前記中心穴を第１の底蓋部材の底面の穴に対応さ
せたことを特徴とする請求項第１項、第２項、第３項の
いずれかに記載されたナトリウム−硫黄電池。(4) Felt-like metal fibers were wound so as to provide a center hole and housed in the solid electrolyte tube to form a cathode chamber, and the center hole was made to correspond to the hole in the bottom of the first bottom cover member. The sodium-sulfur battery according to any one of claims 1, 2, and 3.
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
した後、フェルト状の金属繊維を、中心穴を設ける如く
巻回して固体電解質管内に収納して陰極室を形成し、一
方、円筒形の陰極集電容器を準備し、この陰極集電容器
の下部内周縁部に、底面に穴と上方に向いた突起とを有
する第１の底蓋部材を、その底面が前記金属繊維に接触
する如く配するとともに、前記第１の底蓋部材の上部に
、内方に向く突起を有する環状部材を配し、その上部に
第２の底蓋部材を配して前記陰極集電容器に溶接した後
、前記陰極集電容器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容器の底面の穴より排気した後
、ナトリウムタンクを前記環状部材の突起で保持させる
とともに、前記第１の底蓋部材の突起によりナトリウム
タンクに穿孔して陰極室内にナトリウムを真空充填した
後、前記第２の底蓋部材に陰極集電容器上蓋を溶接して
陰極室構成体とし、この陰極室構成体を、円筒形の硫黄
成型体を挿入した電槽の硫黄成型体の中央の中空部に挿
入し、一方、前記陰極集電容器の内側に、電池作動温度
で溶融する金属が充填固化された陰極端子を配し、この
陰極端子に電気絶縁体を介して電槽蓋を固定し、この電
槽蓋と電槽の上端と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。(5) After bonding an α-alumina ring to the upper end of the sodium ion conductive solid electrolyte tube with glass solder, and heat-pressure bonding a cathode lid to the top surface of this α-alumina ring and an anode lid to the bottom surface, a felt-like A metal fiber is wound so as to provide a center hole and housed in a solid electrolyte tube to form a cathode chamber.Meanwhile, a cylindrical cathode current collector container is prepared, and a metal fiber is placed on the lower inner peripheral edge of the cathode current collector container on the bottom surface. A first bottom cover member having a hole and an upwardly directed protrusion is disposed such that its bottom surface contacts the metal fibers, and an inwardly directed protrusion is provided on the top of the first bottom cover member. After disposing an annular member and disposing a second bottom cover member on top of the annular member and welding it to the cathode current collector container, a sodium tank is positioned above the cathode current collector container, and a hole in the bottom of the container is opened under heating. After further evacuation, the sodium tank is held by the protrusion of the annular member, and the sodium tank is pierced by the protrusion of the first bottom cover member to vacuum-fill sodium into the cathode chamber, and then the second bottom cover is evacuated. A cathode current collector container upper cover is welded to the member to form a cathode chamber structure, and this cathode chamber structure is inserted into the hollow part in the center of the sulfur molded body of the battery case into which the cylindrical sulfur molded body is inserted. A cathode terminal filled with a solidified metal that melts at the battery operating temperature is placed inside the cathode current collector container, and a battery container lid is fixed to this cathode terminal via an electrical insulator, and the battery container lid and battery container are connected together. A method for manufacturing a sodium-sulfur battery, characterized in that the anode chamber is sealed by welding the upper end of the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1182771A JPH0343967A (en) | 1989-07-11 | 1989-07-11 | Sodium-sulfur battery and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1182771A JPH0343967A (en) | 1989-07-11 | 1989-07-11 | Sodium-sulfur battery and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0343967A true JPH0343967A (en) | 1991-02-25 |
Family
ID=16124134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1182771A Pending JPH0343967A (en) | 1989-07-11 | 1989-07-11 | Sodium-sulfur battery and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500856A (en) * | 2013-10-17 | 2014-01-08 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur cell |
-
1989
- 1989-07-11 JP JP1182771A patent/JPH0343967A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500856A (en) * | 2013-10-17 | 2014-01-08 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur cell |
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