JP3399622B2 - Operating method and operating device for sodium-sulfur battery module - Google Patents
Operating method and operating device for sodium-sulfur battery moduleInfo
- Publication number
- JP3399622B2 JP3399622B2 JP04231594A JP4231594A JP3399622B2 JP 3399622 B2 JP3399622 B2 JP 3399622B2 JP 04231594 A JP04231594 A JP 04231594A JP 4231594 A JP4231594 A JP 4231594A JP 3399622 B2 JP3399622 B2 JP 3399622B2
- Authority
- JP
- Japan
- Prior art keywords
- sodium
- sulfur battery
- sulfur
- operating
- flood
- 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 - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ナトリウム−硫黄電池
モジュールの運転方法および運転装置に関するもので、
さらに詳しく言えば、ナトリウムイオン伝導性の固体電
解質の内部に陰極室を、外部に陽極室を形成してなるナ
トリウム−硫黄電池を直並列に多数接続して電池室に収
納してなるナトリウム−硫黄電池モジュールの緊急時の
運転方法および緊急時の運転を実現する運転装置に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for operating a sodium-sulfur battery module,
More specifically, sodium-sulfur stored in the battery chamber by connecting a large number of sodium-sulfur batteries in which a cathode chamber is formed inside the sodium ion conductive solid electrolyte and an anode chamber is formed outside and connected in series and in parallel. The present invention relates to an emergency operation method of a battery module and an operation device that realizes emergency operation.
【０００２】[0002]
【従来の技術】ナトリウムイオン伝導性の固体電解質管
の内部に陰極室を、外部に陽極室を形成し、陰極室に陰
極活物質としてのナトリウムを、陽極室に陽極活物質と
しての硫黄を用いてなるナトリウム−硫黄電池は、直並
列に多数接続して電池室に収納したナトリウム−硫黄電
池モジュールとして用いられることが多くなってきてい
る。2. Description of the Related Art A cathode chamber is formed inside a sodium ion conductive solid electrolyte tube, and an anode chamber is formed outside. Sodium as a cathode active material is used in the cathode chamber and sulfur is used as an anode active material in the anode chamber. The sodium-sulfur battery thus formed is often used as a sodium-sulfur battery module which is connected in series and in parallel and is housed in a battery chamber.
【０００３】このようなナトリウム−硫黄電池モジュー
ルは、夜間の余剰電力によって夜間充電し、電力の不足
する昼間に放電して電力の消費を平準化させるロードレ
ベリング（ＬＬ）用として特に注目されている。Such a sodium-sulfur battery module is particularly attracting attention for load leveling (LL), which is charged at night by surplus power at night and discharged at daytime when power is insufficient to level power consumption. .
【０００４】そして、上記したロードレベリング（Ｌ
Ｌ）用のナトリウム−硫黄電池モジュールは、変電所付
近や建物の地下室等に設置されることが一般的である。Then, the above-mentioned load leveling (L
The sodium-sulfur battery module for L) is generally installed near a substation or in a basement of a building.
【０００５】一方、ナトリウム−硫黄電池は、陰極活物
質にナトリウムを用い、その作動温度が３１５〜３５０
℃という高温であるため、ナトリウム−硫黄電池モジュ
ールには、火災等が発生した時には速やかに消火すると
ともに、有毒ガスが発生しないような機能が備えられて
いる。On the other hand, the sodium-sulfur battery uses sodium as a cathode active material and has an operating temperature of 315 to 350.
Since the temperature is as high as [deg.] C, the sodium-sulfur battery module has a function of extinguishing a fire immediately when a fire or the like occurs and preventing generation of toxic gas.
【０００６】[0006]
【発明が解決しようとする課題】上記したナトリウム−
硫黄電池モジュールは、火災等の発生時には万全である
が、津波、洪水等の水害の発生時またはその発生が予想
される時にはモジュールが水に濡れたり、水没するとい
う危険性があるものの、その対策はほとんど検討されて
いないのが現状であった。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention Sodium-
Sulfur battery modules are perfect in the event of a fire, etc., but there is a risk that the module will get wet or submerged when water damage such as tsunami or flood occurs or is expected to occur. It was the current situation that has not been studied.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、電解質にナトリウムイオン伝導性の固体
電解質を、陰極活物質にナトリウムを、陽極活物質に硫
黄を用いたナトリウム−硫黄電池を直並列に多数接続し
て電池室に収納してなるナトリウム−硫黄電池モジュー
ルの運転方法において、津波、洪水等の水害の発生時、
またはその発生が予想される時にナトリウム−硫黄電池
を緊急放電させ、陰極活物質としてのナトリウムの全部
またはその大部分を多硫化ナトリウムに変化させるよう
にしたことを特徴とするものである。In order to solve the above problems, the present invention provides a sodium-sulfur battery in which a sodium ion conductive solid electrolyte is used as an electrolyte, sodium is used as a cathode active material, and sulfur is used as an anode active material. In a method of operating a sodium-sulfur battery module in which a large number of batteries are connected in series and parallel to each other and stored in a battery chamber, when a tsunami, flood, or other water damage occurs,
Alternatively, the sodium-sulfur battery is urgently discharged when it is expected to be generated, and all or most of sodium as a cathode active material is changed to sodium polysulfide.
【０００８】また、本発明は、電解質にナトリウムイオ
ン伝導性の固体電解質を、陰極活物質にナトリウムを、
陽極活物質に硫黄を用いたナトリウム−硫黄電池を直並
列に多数接続して電池室に収納してなるナトリウム−硫
黄電池モジュールの運転装置において、津波、洪水等の
水害の発生時、またはその発生が予想される時に送信さ
れる警報信号を受信し、前記モジュールの運転を制御す
る制御装置に緊急放電指令信号を送信する送受信器と、
この緊急放電指令信号を受信して前記ナトリウム−硫黄
電池を緊急放電させる緊急放電指令器とを備えたことを
特徴とするものである。In the present invention, a solid electrolyte having sodium ion conductivity is used as the electrolyte, and sodium is used as the cathode active material.
In a sodium-sulfur battery module operating device in which a large number of sodium-sulfur batteries using sulfur as an anode active material are connected in series and in parallel and stored in a battery chamber, when a tsunami, flood, or other flood damage occurs A transceiver that receives an alarm signal transmitted when expected, and transmits an emergency discharge command signal to a control device that controls the operation of the module,
An emergency discharge command device for receiving the emergency discharge command signal and performing an emergency discharge of the sodium-sulfur battery is provided.
【０００９】[0009]
【作用】従って、本発明のナトリウム−硫黄電池モジュ
ールの運転方法によれば、津波、洪水等の水害の発生
時、またはその発生が予想される時にナトリウム−硫黄
電池を緊急放電させ、陰極活物質としてのナトリウムの
全部またはその大部分を多硫化ナトリウムに変化させる
ことにより、モジュールが水に濡れたり、水没しても、
二次災害としての火災の発生が防止できる。Therefore, according to the operating method of the sodium-sulfur battery module of the present invention, the sodium-sulfur battery is urgently discharged at the time of the occurrence of water damage such as tsunami and flood, or when the occurrence of the water damage is expected, and the cathode active material is used. By changing all or most of the sodium as sodium polysulfide, even if the module gets wet or submerges in water,
The occurrence of fire as a secondary disaster can be prevented.
【００１０】また、本発明のナトリウム−硫黄電池モジ
ュールの運転装置によれば、津波、、洪水等の水害の発
生時、またはその発生が予想される時に送受信器からの
緊急放電指令信号を緊急放電指令器で受信してナトリウ
ム−硫黄電池を緊急放電させることにより、モジュール
が水に濡れたり、水没しても、二次災害としての火災の
発生が防止できる。Further, according to the operating device of the sodium-sulfur battery module of the present invention, the emergency discharge command signal from the transceiver is urgently discharged when the tsunami, flood, or other flood damage occurs or is expected to occur. By receiving the command from the commander and urgently discharging the sodium-sulfur battery, even if the module gets wet or submerges in water, a fire as a secondary disaster can be prevented.
【００１１】[0011]
【実施例】以下、本発明を実施例により説明する．EXAMPLES The present invention will be described below with reference to examples.
【００１２】本発明のナトリウム−硫黄電池モジュール
の運転方法は、ナトリウム−硫黄電池を放電させること
によって生成する多硫化ナトリウムは、水と接触しても
水に溶解する程度で、ナトリウムのように水と接触して
爆発的に反応するということはないということに着目
し、ロードレベリング（ＬＬ）用のナトリウム−硫黄電
池モジュールの緊急時の運転方法を開示している。The method for operating a sodium-sulfur battery module according to the present invention is such that sodium polysulfide produced by discharging a sodium-sulfur battery dissolves in water even when it comes into contact with water, and it is water-like like sodium. Focusing on the fact that there is no explosive reaction when contacting with, the method of operating the sodium-sulfur battery module for load leveling (LL) in an emergency is disclosed.
【００１３】次に、上記した、ナトリウム−硫黄電池モ
ジュールの運転方法を実現する運転装置の例を図１に示
す。Next, FIG. 1 shows an example of an operating device for realizing the above-described operating method of the sodium-sulfur battery module.
【００１４】図１において、１は多数のナトリウム−硫
黄電池を直並列に接続して電池室に収納したナトリウム
−硫黄電池モジュール、２は津波、洪水等の水害の発生
時、またはその発生が予想される時に送信される警報信
号Ａを受信し、前記モジュールの運転を制御する制御装
置１０に緊急放電指令信号Ｂを送信する送受信器、３は
前記制御装置１０内に設けられ、前記緊急放電指令信号
Ｂを受信して前記ナトリウム−硫黄電池を緊急放電させ
る緊急放電指令器で、前記モジュールは制御装置１０が
受信した緊急放電指令信号Ｂによって前記ナトリウム−
硫黄電池を緊急放電し、モジュールのナトリウムのすべ
てを放電生成物である多硫化ナトリウムに変化させてし
まうものである。In FIG. 1, 1 is a sodium-sulfur battery module in which a large number of sodium-sulfur batteries are connected in series and accommodated in a battery chamber, and 2 is a water damage such as tsunami or flood, or the occurrence of such damage is expected. A transmitter / receiver 3 for receiving an alarm signal A transmitted at the time of transmission and transmitting an emergency discharge command signal B to the control device 10 for controlling the operation of the module is provided in the control device 10, and the emergency discharge command is provided. The module is an emergency discharge commander that receives a signal B to perform an emergency discharge of the sodium-sulfur battery, and the module receives the sodium-sulfur battery according to the emergency discharge command signal B received by the controller 10.
The sulfur battery is discharged suddenly and all of the sodium in the module is changed to the discharge product sodium polysulfide.
【００１５】また、本発明のモジュールの制御装置１０
には、津波、洪水等の水害で電池室の周辺が浸水した時
に浸水警報信号Ｃを送信する浸水警報器４と、この浸水
警報信号Ｃを受信してナトリウム−硫黄電池を緊急放電
させるとともに、その電力によって電池室の周辺を排水
するためのポンプを作動させる排水指令器５とが設けら
れ、前記モジュール自体への浸水、モジュールの水没を
防止している。Further, the module controller 10 of the present invention.
Includes a flood alarm 4 that sends a flood warning signal C when the area around the battery room is flooded due to a flood such as a tsunami or flood, and an emergency discharge of the sodium-sulfur battery when the flood warning signal C is received. A drainage commander 5 for operating a pump for draining the periphery of the battery chamber by the electric power is provided to prevent the module itself from being flooded and the module from being submerged.
【００１６】さらに、本発明のモジュールの制御装置１
０には、ナトリウム−硫黄電池の緊急放電の終了を検知
して緊急放電終了信号Ｄを送信する緊急放電終了検知器
６と、この緊急放電終了信号Ｄを受信してナトリウム−
硫黄電池の電池温度を作動温度から室温まで低下させる
降温指令器７とが設けられ、万一の浸水や水没時の事故
を防止している。Furthermore, the module control device 1 of the present invention
0 is an emergency discharge end detector 6 which detects the end of the emergency discharge of the sodium-sulfur battery and transmits an emergency discharge end signal D, and a sodium discharge receiving the emergency discharge end signal D.
A temperature drop commander 7 for lowering the battery temperature of the sulfur battery from the operating temperature to room temperature is provided to prevent accidents such as flooding and submersion.
【００１７】上記したモジュールは、その外側に防水壁
を設けるとともに、この防水壁の外側に溝を設け、この
溝に上記浸水警報器４を設置し、この溝の水位を検知す
ることによってナトリウム−硫黄電池を緊急放電させ、
その電力によってポンプを作動させるようにすると、モ
ジュールへの浸水やモジュールの水没までの時間的な余
裕を確保することができ、より多くのナトリウムを多硫
化ナトリウムに変化させることができるので、その安全
性を一層向上させることができる。In the above-mentioned module, a waterproof wall is provided on the outer side thereof, and a groove is provided on the outer side of the waterproof wall. The water immersion alarm device 4 is installed in the groove and the sodium level is detected by detecting the water level in the groove. Emergency discharge of sulfur battery,
If the pump is operated by the electric power, it is possible to secure a time margin until the module is flooded or the module is submerged, and more sodium can be changed to sodium polysulfide. The property can be further improved.
【００１８】すなわち、上記のような運転装置は、緊急
時にナトリウム−硫黄電池を緊急放電することによって
多硫化ナトリウムを生成させるものであるから、ロード
レベリング（ＬＬ）用のナトリウム−硫黄電池モジュー
ルの運転方法を実現する装置として有用である。That is, since the above-mentioned operating device is for generating sodium polysulfide by emergency discharge of the sodium-sulfur battery in an emergency, the operation of the sodium-sulfur battery module for load leveling (LL) is performed. It is useful as a device for realizing the method.
【００１９】なお、上記した運転装置は、その実施例に
限定されるものではなく、緊急時にナトリウム−硫黄電
池を緊急放電させるという本発明の趣旨を逸脱しない範
囲の多様な運転装置をすべて含むものであることは言う
までもない。It should be noted that the above-mentioned operating device is not limited to the embodiment, but includes all of various operating devices within the scope of the present invention, which is to discharge the sodium-sulfur battery in an emergency in an emergency. Needless to say.
【００２０】[0020]
【発明の効果】上記した如く、本発明はロードレベリン
グ（ＬＬ）用のナトリウム−硫黄電池モジュールを緊急
時に緊急放電させることにより、モジュールへの浸水や
モジュールの水没時の安全性を向上することができる。As described above, according to the present invention, the sodium-sulfur battery module for load leveling (LL) is subjected to an emergency discharge in an emergency to improve the safety when the module is flooded or the module is submerged. it can.
【図１】本発明のナトリウム−硫黄電池モジュールの運
転装置のブロック図である。FIG. 1 is a block diagram of an operating device of a sodium-sulfur battery module of the present invention.
１ ナトリウム−硫黄電池モジュール ２ 送受信器 ３ 緊急放電指令器 ４ 浸水警報器 ５ 排水指令器 ６ 緊急放電終了検知器 ７ 降温指令器 １０ 制御装置 1 Sodium-sulfur battery module 2 transceiver 3 Emergency discharge command device 4 flood alarm 5 Drainage command device 6 Emergency discharge end detector 7 Temperature drop commander 10 Control device
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中村 博行 大阪府高槻市城西町６番６号 株式会社 ユアサ コーポレーション内 (56)参考文献 特開 平５−84318（ＪＰ，Ａ) 特開 平５−84319（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 10/36 - 10/48 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroyuki Nakamura 6-6 Josaimachi, Takatsuki City, Osaka Prefecture Yuasa Corporation (56) References JP-A-5-84318 (JP, A) JP-A-5- 84319 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) H01M 10/36-10/48
Claims (6)
電解質を、陰極活物質にナトリウムを、陽極活物質に硫
黄を用いたナトリウム−硫黄電池を直並列に多数接続し
て電池室に収納してなるナトリウム−硫黄電池モジュー
ルの運転方法において、津波、洪水等の水害の発生時、
またはその発生が予想される時にナトリウム−硫黄電池
を緊急放電させ、陰極活物質としてのナトリウムの全部
またはその大部分を多硫化ナトリウムに変化させるよう
にしたことを特徴とするナトリウム−硫黄電池モジュー
ルの運転方法。1. A sodium-sulfur battery having a sodium ion conductive solid electrolyte as an electrolyte, sodium as a cathode active material, and sulfur as an anode active material is connected in series in parallel and housed in a battery chamber. In the method of operating the sodium-sulfur battery module, when a water damage such as a tsunami or flood occurs,
Alternatively, the sodium-sulfur battery is urgently discharged when it is expected to be generated, and all or most of the sodium as the cathode active material is changed to sodium polysulfide. how to drive.
ジュールの運転方法において、ナトリウム−硫黄電池を
緊急放電させることによってポンプを作動させ、津波、
洪水等の水害で電池室の周辺が浸水した時に排水するよ
うにしたことを特徴とするナトリウム−硫黄電池モジュ
ールの運転方法。2. The method for operating a sodium-sulfur battery module according to claim 1, wherein the pump is operated by urgently discharging the sodium-sulfur battery to cause a tsunami,
A method for operating a sodium-sulfur battery module, which is characterized in that when the area around the battery chamber is flooded due to water damage such as a flood, it is drained.
ジュールの運転方法において、ナトリウム−硫黄電池を
緊急放電させた後、電池温度を室温まで低下させること
を特徴とするナトリウム−硫黄電池モジュールの運転方
法。3. The method for operating a sodium-sulfur battery module according to claim 1, wherein after the sodium-sulfur battery is urgently discharged, the battery temperature is lowered to room temperature. Method.
電解質を、陰極活物質にナトリウムを、陽極活物質に硫
黄を用いたナトリウム−硫黄電池を直並列に多数接続し
て電池室に収納してなるナトリウム−硫黄電池モジュー
ルの運転装置において、津波、洪水等の水害の発生時、
またはその発生が予想される時に送信される警報信号を
受信し、前記モジュールの運転を制御する制御装置に緊
急放電指令信号を送信する送受信器と、この緊急放電指
令信号を受信して前記ナトリウム−硫黄電池を緊急放電
させる緊急放電指令器とを備えたことを特徴とするナト
リウム−硫黄電池モジュールの運転装置。4. A sodium ion conductive solid electrolyte is used as the electrolyte, sodium is used as the cathode active material, and sodium-sulfur batteries that use sulfur as the anode active material are connected in series and in parallel and housed in a battery chamber. In the operation device of sodium-sulfur battery module, when water damage such as tsunami or flood occurs,
Or a transceiver that receives an alarm signal transmitted when it is expected to occur and transmits an emergency discharge command signal to a control device that controls the operation of the module, and the sodium- An operating device for a sodium-sulfur battery module, comprising: an emergency discharge commander for performing an emergency discharge of a sulfur battery.
ジュールの運転装置において、津波、洪水等の水害で電
池室の周辺が浸水した時に浸水警報信号を送信する浸水
警報器と、この浸水警報信号を受信してナトリウム−硫
黄電池を緊急放電させるとともに、その電力によって電
池室の周辺を排水するためのポンプを作動させる排水指
令器とを備えたことを特徴とするナトリウム−硫黄電池
モジュールの運転装置。5. The sodium-sulfur battery module operating device according to claim 4, wherein a flood alarm device that transmits a flood alarm signal when the periphery of the battery chamber is flooded due to flood damage such as tsunami or flood, and the flood alarm signal. And a discharge commander for urgently discharging the sodium-sulfur battery and operating a pump for draining the periphery of the battery chamber by the electric power thereof. .
ジュールの運転装置において、ナトリウム−硫黄電池の
緊急放電の終了を検知して緊急放電終了信号を送信する
緊急放電終了検知器と、この緊急放電終了信号を受信し
てナトリウム−硫黄電池の電池温度を室温まで低下させ
る降温指令器とを備えたことを特徴とするナトリウム−
硫黄電池モジュールの運転装置。6. A sodium-sulfur battery module operating device according to claim 4, wherein an emergency discharge end detector for detecting the end of the emergency discharge of the sodium-sulfur battery and transmitting an emergency discharge end signal, and this emergency discharge. A sodium-sulfur battery, which receives an end signal to lower the battery temperature of the sodium-sulfur battery to room temperature;
Operating device for sulfur battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04231594A JP3399622B2 (en) | 1994-03-14 | 1994-03-14 | Operating method and operating device for sodium-sulfur battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04231594A JP3399622B2 (en) | 1994-03-14 | 1994-03-14 | Operating method and operating device for sodium-sulfur battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07254437A JPH07254437A (en) | 1995-10-03 |
| JP3399622B2 true JP3399622B2 (en) | 2003-04-21 |
Family
ID=12632591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04231594A Expired - Fee Related JP3399622B2 (en) | 1994-03-14 | 1994-03-14 | Operating method and operating device for sodium-sulfur battery module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3399622B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6001360B2 (en) * | 2012-07-05 | 2016-10-05 | 株式会社デンソー | Battery unit |
| US20240198803A1 (en) * | 2022-12-20 | 2024-06-20 | GM Global Technology Operations LLC | Method and system for an electrified vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2703430B2 (en) * | 1991-09-26 | 1998-01-26 | 日本碍子株式会社 | Fire extinguisher in sodium-sulfur battery |
| JP2703431B2 (en) * | 1991-09-26 | 1998-01-26 | 日本碍子株式会社 | Fire extinguisher in sodium-sulfur battery |
-
1994
- 1994-03-14 JP JP04231594A patent/JP3399622B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07254437A (en) | 1995-10-03 |
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