JP2604108B2 - High temperature secondary battery - Google Patents
High temperature secondary batteryInfo
- Publication number
- JP2604108B2 JP2604108B2 JP5074359A JP7435993A JP2604108B2 JP 2604108 B2 JP2604108 B2 JP 2604108B2 JP 5074359 A JP5074359 A JP 5074359A JP 7435993 A JP7435993 A JP 7435993A JP 2604108 B2 JP2604108 B2 JP 2604108B2
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- insulating container
- battery
- secondary battery
- temperature secondary
- 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
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
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、ナトリウム−硫黄電
池等よりなる高温二次電池に係り、特に多数の単電池の
接続構成に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-temperature secondary battery such as a sodium-sulfur battery, and more particularly to a connection structure for a large number of cells.
【０００２】[0002]
【従来の技術】従来のこの種の高温二次電池としては、
例えば図３及び図４に示すような構成のものが知られて
いる。この従来構成においては、断熱容器２１が一側に
開口した容器本体２２と、その一側開口部に嵌着された
蓋体２３とから形成されている。断熱容器２１内には多
数の単電池２４が、断熱容器２１の幅方向へ一線上に並
ぶように収容されている。2. Description of the Related Art Conventional high-temperature secondary batteries of this type include:
For example, a configuration as shown in FIGS. 3 and 4 is known. In this conventional configuration, a heat insulating container 21 is formed of a container main body 22 having an opening on one side, and a lid 23 fitted into the opening on one side. A large number of cells 24 are accommodated in the heat insulating container 21 so as to be aligned in the width direction of the heat insulating container 21.
【０００３】また、断熱容器２１の長手方向に隣接する
複数の単電池２４を接続端子２５により直列に接続し
て、ストリング２６が形成されている。さらに、断熱容
器２１の幅方向に隣接する複数のストリング２６を導電
体としての並列ブス２７により並列に接続して、電池ブ
ロック２８が形成されている。そして、複数の電池ブロ
ック２８が断熱容器２１内において平面ほぼ横Ｕ字状に
なるように配列され、断熱容器２１の長手方向に隣接す
る電池ブロック２８間が並列ブス２７により直列に接続
されている。A plurality of unit cells 24 adjacent in the longitudinal direction of the heat insulating container 21 are connected in series by a connection terminal 25 to form a string 26. Further, a plurality of strings 26 adjacent to each other in the width direction of the heat insulating container 21 are connected in parallel by parallel buses 27 as conductors, and a battery block 28 is formed. The plurality of battery blocks 28 are arranged in the heat insulating container 21 so as to be substantially U-shaped in a plane, and the adjacent battery blocks 28 in the longitudinal direction of the heat insulating container 21 are connected in series by the parallel buses 27. .
【０００４】断熱容器２１内の蓋体２３と反対側の奥部
には直列ブス２９が設けられ、奥部に位置する一対の電
池ブロック２８間がこの直列ブス２９により接続されて
いる。断熱容器２１の蓋体２３には正側及び負側の電極
３０，３１が所定間隔をおいて貫設され、蓋体２３側に
位置する端部の電池ブロック２８が正極ブス３２及び負
極ブス３３を介してこの電極３０，３１に接続されてい
る。また、蓋体２３にはヒータ線取出部３４及び計測線
取出部３５が設けられている。A series bus 29 is provided at the back of the heat insulating container 21 on the side opposite to the lid 23, and a pair of battery blocks 28 located at the back are connected by the series bus 29. Positive and negative electrodes 30 and 31 are provided at predetermined intervals in the lid 23 of the heat insulating container 21, and the battery block 28 at the end located on the lid 23 side includes a positive bus 32 and a negative bus 33. Are connected to the electrodes 30 and 31 via the. Further, the lid 23 is provided with a heater wire extraction unit 34 and a measurement line extraction unit 35.
【０００５】[0005]
【発明が解決しようとする課題】ところが、この従来の
高温二次電池においては、複数の電池ブロック２８が断
熱容器２１内において平面ほぼ横Ｕ字状に配列され、奥
部の電池ブロック２８間が直列ブス２９により接続され
ているため、接続構造が複雑で部品点数が多くなるとと
もに、直列ブス２９等に基づく電気抵抗が大きくなって
電池の効率が低下するという問題があった。However, in this conventional high-temperature secondary battery, a plurality of battery blocks 28 are arranged in a substantially U-shaped plane in the heat insulating container 21, and the space between the battery blocks 28 at the back is formed. Since the connection is made by the series buses 29, there is a problem that the connection structure is complicated and the number of parts is increased, and the electric resistance based on the series buses 29 and the like is increased to lower the efficiency of the battery.
【０００６】また、正側及び負側の電極３０，３１が断
熱容器２１の蓋体２３側に片寄せて貫設され、電池の動
作時に断熱容器２１内の熱が電極貫設部の１方向側から
のみ外方に逃げるため、断熱容器２１内の温度分布が不
均一になるという問題もあった。Further, positive and negative electrodes 30 and 31 are provided so as to be offset toward the lid 23 side of the heat insulating container 21, and heat in the heat insulating container 21 is transferred in one direction of the electrode penetrating portion during operation of the battery. There is also a problem that the temperature distribution in the heat insulating container 21 becomes non-uniform because only the side escapes outward from the side.
【０００７】この発明は、このような従来の技術に存在
する問題点に着目してなされたものであって、その目的
とするところは、接続構造を簡単にして部品点数を少な
くすることができるとともに、電気抵抗を小さくして電
池の効率を向上させることができ、しかも、断熱容器内
から熱が片寄って逃げるのを防止して、断熱容器内の温
度分布を均一に保つことができる高温二次電池を提供す
ることにある。The present invention has been made in view of the problems existing in the prior art, and has as its object to simplify the connection structure and reduce the number of parts. At the same time, it is possible to improve the efficiency of the battery by reducing the electric resistance, and also to prevent the heat from escaping from the inside of the heat insulating container and escape, thereby maintaining a uniform temperature distribution in the heat insulating container. Another object is to provide a battery.
【０００８】[0008]
【課題を解決するための手段】上記の目的を達成するた
めに、この発明の高温二次電池においては、上面を開口
した有底箱型の断熱容器の上部開口に蓋体を嵌着し、該
断熱容器内に長手方向に収容される複数の単電池をその
上端部において接続端子により直列に接続してストリン
グを形成し、そのストリングを複数並列に接続して電池
ブロックを形成し、その電池ブロックを断熱容器内に一
側部から他側部に向かい複数一線上に配列収容して直列
に接続するとともに、前記断熱容器の両側壁の幅方向に
関して中央部に電極を貫設して電池ブロックの両端にそ
れぞれ接続したものである。In order to achieve the above object, in a high temperature secondary battery according to the present invention, an upper surface is opened.
A lid is fitted to the upper opening of the bottomed box-shaped insulated container,
As a plurality of cells accommodated in the longitudinal direction in the heat insulating container
A string is formed by connecting the strings in series at the upper end, and a plurality of the strings are connected in parallel to form a battery block. The battery block is placed in a heat insulating container from one side toward the other side. While being arranged and accommodated in a line, they are connected in series, and in the width direction of both side walls of the heat insulating container.
In this connection, an electrode is pierced in the center and connected to both ends of the battery block.
【０００９】[0009]
【作用】上記のように構成された高温二次電池において
は、複数の電池ブロックが断熱容器内に一側部から他側
部に向かい一線上に配列収容されて、直列に電気接続さ
れているため、直列ブス等の接続部材を必要とせず、接
続構造が簡単で部品点数を少なくすることができる。ま
た、直列ブス等を用いず、接続構造が簡単であるため、
電気抵抗が小さくなって電池の効率を向上させることが
できる。In the high temperature secondary battery constructed as described above, a plurality of battery blocks are arranged and housed in a line from the one side to the other side in the heat insulating container, and are electrically connected in series. Therefore, a connecting member such as a series bus is not required, the connecting structure is simple, and the number of components can be reduced. Also, since the connection structure is simple without using a series bus, etc.,
The electric resistance is reduced, and the efficiency of the battery can be improved.
【００１０】また、断熱容器として上面を開口したもの
を用い、その開口部を蓋体により閉塞しているので、単
電池の上部の接続構造の点検、補修を蓋体を開放するこ
とによって容易に行うことができる。 さらに、断熱容器
の両側壁の幅方向に関して中央部に正側及び負側の電極
が貫設されているため、電池の動作時に断熱容器内から
熱が一側外方へ片寄って逃げるのを防止することができ
る。従って、断熱容器内の幅方向及び長さ方向に関する
温度分布を均一に保つことができる。A heat-insulating container having an open upper surface
Since the opening is closed with a lid,
Inspect and repair the connection structure at the top of the battery and open the lid.
This can be easily performed. In addition, since the positive and negative electrodes are provided at the center in the width direction of both side walls of the heat insulating container, heat is prevented from escaping from the inside of the heat insulating container to one side outward during the operation of the battery. can do. Therefore, the temperature distribution in the width direction and the length direction in the heat insulating container can be kept uniform.
【００１１】[0011]
【実施例】以下、この発明を具体化した高温二次電池の
一実施例を、図１及び図２に基づいて詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a high-temperature secondary battery embodying the present invention will be described below in detail with reference to FIGS.
【００１２】図１に示すように、断熱容器１は上面を開
口した有底箱型に形成され、その上面には蓋体２が嵌着
されている。多数の単電池３は断熱容器１内にその長手
方向へ一線上に並ぶように収容され、断熱容器１の幅方
向に隣接する単電池３は半ピッチ分ずらせて配列されて
いる。As shown in FIG. 1, the heat insulating container 1 is formed in a box shape with a bottom and an open upper surface, and a lid 2 is fitted on the upper surface. A large number of cells 3 are accommodated in the heat insulating container 1 so as to be aligned in the longitudinal direction thereof, and the cells 3 adjacent to each other in the width direction of the heat insulating container 1 are arranged shifted by a half pitch.
【００１３】図１及び図２に示すように、ストリング４
は前記断熱容器１内で長手方向に隣接した複数の単電池
３を接続端子５により接続して形成されている。電池ブ
ロック６は断熱容器１の幅方向に隣接する複数のストリ
ング４を並列ブス７により並列に接続して形成されてい
る。そして、断熱容器１内には複数の電池ブロック６
が、一側部から他側部に向かい一線上に並ぶように配列
され、隣接する各電池ブロック６間が並列ブス７により
直列に接続されている。As shown in FIG. 1 and FIG.
Is formed by connecting a plurality of unit cells 3 adjacent in the longitudinal direction in the heat insulating container 1 by connection terminals 5. The battery block 6 is formed by connecting a plurality of strings 4 adjacent in the width direction of the heat insulating container 1 in parallel by parallel buses 7. The plurality of battery blocks 6 are provided in the heat insulating container 1.
Are arranged in a line from one side to the other side, and adjacent battery blocks 6 are connected in series by parallel buses 7.
【００１４】正側の電極８は前記断熱容器１の長手方向
の一側壁に貫設され、断熱容器１内の一端側に位置する
電池ブロック６の並列ブス７に対し正極ブス９を介して
接続されている。負側の電極１０は断熱容器１の長手方
向の他側壁に貫設され、断熱容器１内の他端側に位置す
る電池ブロック６の並列ブス７に対し負極ブス１１を介
して接続されている。計測線及びヒータ線の取出部１２
は断熱容器１の長手方向の他側壁に設けられ、この取出
部１２から計測線及びヒータ線が外部に取り出される。The positive electrode 8 extends through one side wall of the heat insulating container 1 in the longitudinal direction, and is connected to the parallel bus 7 of the battery block 6 located at one end in the heat insulating container 1 via the positive electrode bus 9. Have been. The negative electrode 10 extends through the other side wall of the heat insulating container 1 in the longitudinal direction, and is connected to the parallel bus 7 of the battery block 6 located on the other end side in the heat insulating container 1 via the negative electrode bus 11. . Extraction part 12 for measurement line and heater line
Is provided on the other side wall in the longitudinal direction of the heat insulating container 1, and the measurement line and the heater line are extracted from the extraction portion 12 to the outside.
【００１５】そして、図示しないが、前記断熱容器１内
には消火砂が充填されている。これにより、各単電池３
が妄動しないように固定されるとともに、高温二次電池
全体の安全性が高められている。Although not shown, the heat insulating container 1 is filled with fire extinguishing sand. Thereby, each cell 3
Is secured so as not to be deviated, and the safety of the entire high-temperature secondary battery is enhanced.
【００１６】さて、この実施例の高温二次電池において
は、複数の電池ブロック６が断熱容器１内に一側部から
他側部に向かい一線上に配列収容されて、直列に電気接
続されている。このため、従来構成のように直列ブス２
９等の接続部材を必要とせず、接続構造が簡単で、部品
点数を少なくすることができる。また、従来の直列ブス
２９を用いず、接続構造が簡単であるため、電気抵抗が
小さくなって電池の効率を向上させることができる。In the high temperature secondary battery of this embodiment, a plurality of battery blocks 6 are arranged and housed in a line from one side to the other side in the heat insulating container 1 and are electrically connected in series. I have. For this reason, the serial bus 2
No connection member such as 9 is required, the connection structure is simple, and the number of parts can be reduced. Further, since the connection structure is simple without using the conventional series bus 29, the electric resistance is reduced and the efficiency of the battery can be improved.
【００１７】また、この実施例の高温二次電池において
は、断熱容器１の長手方向の両側壁に分離して、正側及
び負側の電極８，１０が貫設され、しかも電極８，１０
が幅方向に関して中央部に配置されている。このため、
特別の絶縁部材を設けなくても、両電極８，１０間の絶
縁を容易に確保することができる。また、電池の動作時
に断熱容器１内の熱が電極貫設部から一側外方へ片寄っ
て逃げるのを防止することができて、断熱容器１内の幅
方向及び長さ方向に関する温度分布を均一に保つことが
できる。加えて、正側及び負側の電極８，１０がそれぞ
れ断熱容器１の両側壁に分かれて配置されていることか
ら、両電極８，１０間の絶縁が容易である。Further, in the high temperature secondary battery in this embodiment, is separated in the longitudinal direction of both side walls of the heat insulating container 1, the electrodes 8, 10 of the positive and negative side is pierced, moreover electrodes 8 and 10
Are arranged at the center with respect to the width direction . For this reason,
Even if a special insulating member is not provided, the insulation between the electrodes 8 and 10 can be easily ensured. Also, to be able to heat in the heat insulating container 1 during operation of the battery is prevented from escaping offset from electrode transmural portion to one side outwards, the width of the heat insulating container 1
The temperature distribution in the direction and the length direction can be kept uniform. In addition, since the positive electrode 8 and the negative electrode 8 are separately arranged on both side walls of the heat insulating container 1, insulation between the electrodes 8 and 10 is easy.
【００１８】なお、この発明は前記実施例の構成に限定
されるものではなく、例えば、１つのストリング４にお
ける単電池３の個数を変更したり、１つの電池ブロック
６におけるストリング４の個数を変更したり、高温二次
電池としてリチウム−硫黄電池に適用したり等、この発
明の趣旨から逸脱しない範囲で、各部の構成を任意に変
更して具体化してもよい。The present invention is not limited to the configuration of the above embodiment. For example, the number of cells 3 in one string 4 or the number of strings 4 in one battery block 6 may be changed. The configuration of each part may be arbitrarily changed and embodied without departing from the spirit of the present invention, such as applying the invention to a lithium-sulfur battery as a high-temperature secondary battery.
【００１９】[0019]
【発明の効果】この発明は、断熱容器として上面を開口
したものを用い、その開口部を蓋体により閉塞している
ので、単電池の上部の接続構造の点検、補修を蓋体を開
放することによって容易に行うことができる。又、接続
構造を簡単にして部品点数を少なくすることができると
ともに、電気抵抗を小さくして電池の効率を向上させる
ことができ、しかも、断熱容器内から熱が片寄って逃げ
るのを防止して、断熱容器内の幅方向及び長さ方向の温
度分布を均一に保つことができるという優れた効果を奏
する。According to the present invention, the upper surface is opened as a heat insulating container.
The opening is closed with a lid
Therefore, check and repair the connection structure at the top of the cell and open the lid.
It can be easily done by releasing. In addition, the connection structure can be simplified, the number of parts can be reduced, the electric resistance can be reduced, the efficiency of the battery can be improved, and the heat can be prevented from escaping from the heat insulation container and escaping. It demonstrates an excellent effect of as possible out to maintain the temperature <br/> distribution in the width direction and length direction of the heat insulating container uniformly.
【図１】この発明を具体化した高温二次電池の一実施例
を示す一部破断平面図である。FIG. 1 is a partially broken plan view showing an embodiment of a high-temperature secondary battery embodying the present invention.
【図２】その高温二次電池における単電池の接続構成を
示す回路図である。FIG. 2 is a circuit diagram showing a connection configuration of unit cells in the high-temperature secondary battery.
【図３】従来の高温二次電池を示す平面図である。FIG. 3 is a plan view showing a conventional high-temperature secondary battery.
【図４】その高温二次電池における単電池の接続構成を
示す回路図である。FIG. 4 is a circuit diagram showing a connection configuration of unit cells in the high-temperature secondary battery.
１…断熱容器、３…単電池、４…ストリング、６…電池
ブロック、８…正側の電極、１０…負側の電極。DESCRIPTION OF SYMBOLS 1 ... Insulated container, 3 ... Single cell, 4 ... String, 6 ... Battery block, 8 ... Positive electrode, 10 ... Negative electrode.
フロントページの続き (72)発明者 川口 敏幸 愛知県犬山市大字五郎丸字堤北１番地の 59 (72)発明者 森 啓一 愛知県一宮市大和町苅安賀字角出10番地 (56)参考文献 特開 平４−284351（ＪＰ，Ａ) 特開 平４−147565（ＪＰ，Ａ) 実開 昭56−5372（ＪＰ，Ｕ)Continuing on the front page (72) Inventor Toshiyuki Kawaguchi 59-72, Tsutsukita, 1-chome, Goro-maru, Inuyama-shi, Aichi Prefecture (72) Inventor Keiichi Mori 10 Kadoide, Kasuyasu, Yamato-cho, Ichinomiya City, Aichi Prefecture (56) References Special JP-A-4-284351 (JP, A) JP-A-4-147565 (JP, A) JP-A-56-5372 (JP, U)
Claims (1)
部開口に蓋体を嵌着し、該断熱容器内に長手方向に収容
される複数の単電池をその上端部において接続端子によ
り直列に接続してストリングを形成し、そのストリング
を複数並列に接続して電池ブロックを形成し、その電池
ブロックを断熱容器内に一側部から他側部に向かい複数
一線上に配列収容して直列に接続するとともに、前記断
熱容器の両側壁の幅方向に関して中央部に電極を貫設し
て電池ブロックの両端にそれぞれ接続したことを特徴と
する高温二次電池。1. An insulated container having a bottomed box shape with an open upper surface.
The lid is fitted to the opening of the part and housed in the heat insulating container in the longitudinal direction
A plurality of cells which are the connection terminal at its upper end
The strings are connected in series to form a string, the strings are connected in parallel to form a battery block, and the battery blocks are arranged and housed in a line from the one side to the other side in the heat insulating container. A high-temperature secondary battery, wherein the high-temperature secondary battery is connected in series with each other, and is connected to both ends of a battery block by penetrating an electrode at a central portion in a width direction of both side walls of the heat insulating container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5074359A JP2604108B2 (en) | 1993-03-31 | 1993-03-31 | High temperature secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5074359A JP2604108B2 (en) | 1993-03-31 | 1993-03-31 | High temperature secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06290768A JPH06290768A (en) | 1994-10-18 |
| JP2604108B2 true JP2604108B2 (en) | 1997-04-30 |
Family
ID=13544865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5074359A Expired - Lifetime JP2604108B2 (en) | 1993-03-31 | 1993-03-31 | High temperature secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2604108B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014050678A1 (en) * | 2012-09-26 | 2014-04-03 | 日本碍子株式会社 | Power storage device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110297Y2 (en) * | 1979-06-26 | 1986-04-02 | ||
| JP2582175B2 (en) * | 1990-03-07 | 1997-02-19 | 株式会社日立製作所 | Sodium sulfur battery module |
| JPH088094B2 (en) * | 1990-10-05 | 1996-01-29 | 日本碍子株式会社 | High temperature battery equipment |
| JP2937522B2 (en) * | 1991-03-12 | 1999-08-23 | 日本碍子株式会社 | High temperature battery device |
-
1993
- 1993-03-31 JP JP5074359A patent/JP2604108B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06290768A (en) | 1994-10-18 |
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