JPH05343041A - Heat insulating structure for high-temperature type battery - Google Patents
Heat insulating structure for high-temperature type batteryInfo
- Publication number
- JPH05343041A JPH05343041A JP4143086A JP14308692A JPH05343041A JP H05343041 A JPH05343041 A JP H05343041A JP 4143086 A JP4143086 A JP 4143086A JP 14308692 A JP14308692 A JP 14308692A JP H05343041 A JPH05343041 A JP H05343041A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- heat insulating
- temperature type
- type battery
- high temperature
- 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
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
- Packages (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、真空断熱技術を利用し
た高温型電池の保温構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating structure for a high temperature type battery using a vacuum heat insulating technique.
【０００２】[0002]
【従来の技術】最近、電気自動車用電源などに使用する
ことを目的として、ナトリウム−硫黄電池、ナトリウム
−金属塩化物電池、リチウム−硫化物電池などの高温型
二次電池が提供されている。これらは、いずれもエネル
ギ密度が高く、コンパクトに電気を蓄えられる特徴があ
るが、動作温度がそれぞれ約 350℃、 250℃、 450℃と
高温であるので、使用時には保温の必要があり、薄い断
熱層で放散熱量を極力抑制することが望まれている。さ
らに、電気自動車用電源として使用する場合には、軽量
かつ小型であることが要請される。2. Description of the Related Art Recently, high temperature secondary batteries such as sodium-sulfur batteries, sodium-metal chloride batteries and lithium-sulfide batteries have been provided for the purpose of being used as a power source for electric vehicles. All of these have a high energy density and can store electricity compactly, but since the operating temperatures are high at about 350 ° C, 250 ° C, and 450 ° C, respectively, it is necessary to keep them warm during use, and thin insulation It is desired to suppress the amount of heat dissipated in the layer as much as possible. Furthermore, when used as a power source for an electric vehicle, it is required to be lightweight and small.
【０００３】そこで、これらの要求を満たすために、図
４に示すような真空断熱箱１に所定数の高温型電池２を
収納して保温する構造が採用されている。この真空断熱
箱１は、金属製で、外箱３と内箱４との間に真空断熱層
５を形成し、真空断熱層５の端面をメンブレン６で密封
し、開口部７に断熱蓋８を設けている。真空断熱層５
は、その内部に断熱材９が充填されるとともに、真空状
態に保持されている。In order to meet these requirements, therefore, a structure has been adopted in which a predetermined number of high temperature type batteries 2 are housed in a vacuum insulation box 1 as shown in FIG. This vacuum heat insulating box 1 is made of metal, and a vacuum heat insulating layer 5 is formed between the outer box 3 and the inner box 4, the end surface of the vacuum heat insulating layer 5 is sealed with a membrane 6, and the opening 7 is covered with a heat insulating lid 8. Is provided. Vacuum insulation layer 5
Is filled with a heat insulating material 9 and is kept in a vacuum state.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記従来の保
温構造においては、真空断熱箱１のメンブレン６がヒー
トブリッジを形成するため、内部の熱が内箱４からメン
ブレン６を経由して外箱１に伝わり、放熱損失が大きい
という問題点がある。However, in the above conventional heat retaining structure, since the membrane 6 of the vacuum insulation box 1 forms a heat bridge, the internal heat passes from the inner box 4 through the membrane 6 to the outer box. Therefore, there is a problem that the heat radiation loss is large.
【０００５】そこで本発明はこのような問題点を解決
し、真空断熱技術を利用した高温型電池の保温の際の放
熱損失を小さくできるようにすることを目的とする。SUMMARY OF THE INVENTION It is therefore an object of the present invention to solve such a problem and to reduce the heat radiation loss at the time of keeping the temperature of a high temperature type battery utilizing the vacuum heat insulation technique.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
本発明は、保温箱の内部に高温型電池を配置するととも
にこの高温型電池の全外面を被包するように断熱材を充
填し、前記保温箱の内部を密閉して真空状態に保持する
ようにしたものである。In order to achieve the above object, the present invention is to arrange a high temperature type battery inside a heat insulation box and to fill a heat insulating material so as to cover the entire outer surface of the high temperature type battery, The inside of the heat insulation box is hermetically sealed and kept in a vacuum state.
【０００７】[0007]
【作用】上記構成によると、保温箱に従来のメンブレン
のようなヒートブリッジを形成する個所が存在しないの
で、ヒートブリッジによる放熱損失が皆無となり、その
真空断熱性能が最大限に発揮される。保温箱が従来のよ
うな二重壁構造でないので、全体が軽量かつ小型にな
る。断熱材は高温型電池の全外面を被包するので、高温
型電池の支持材および緩衝材としても役立つ。According to the above construction, since there is no portion in the heat insulation box where a heat bridge is formed unlike the conventional membrane, there is no heat loss due to the heat bridge, and the vacuum insulation performance is maximized. Since the heat insulation box does not have the double-wall structure as in the past, it is lightweight and compact as a whole. Since the heat insulating material covers the entire outer surface of the high temperature battery, it also serves as a support material and a cushioning material for the high temperature battery.
【０００８】[0008]
【実施例】以下、本発明の一実施例を図１〜図３にもと
づいて説明する。本発明では、図１に示すように、保温
箱11の内部に高温型電池12が配置され、この高温型電池
12の周囲の全外面が断熱材13にて被包されるように、こ
の断熱材13が保温箱11の内部に充填されている。かつ保
温箱11の内部は密閉状態とされて真空状態に保持され
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the present invention, as shown in FIG. 1, a high temperature type battery 12 is arranged inside a heat insulation box 11, and the high temperature type battery 12 is
The heat insulating material 13 is filled in the heat insulating box 11 so that the entire outer surface of the circumference of 12 is covered with the heat insulating material 13. In addition, the inside of the heat insulation box 11 is hermetically sealed and kept in a vacuum state.
【０００９】図２はより具体的な実施例を示す。ここで
は、上面に開口部14を有する保温箱11の底部に断熱材13
を所定の厚さに密に敷き詰め、断熱材13上に平板状のヒ
ータ15を載置するとともに、保温箱11の側壁に熱電対な
どの温度センサ16を設ける。次に、ヒータ15上に高温型
電池12を所定ピッチで複数個ずつ複数列に配置し、高温
型電池12に必要に応じて直列、並列に結線を施した後、
各高温型電池12の全外面を被包するように断熱材13を密
に充填して、高温型電池12を固定する。最後に、保温箱
11の開口部14を蓋板17で密閉した後、保温箱11の内部を
排気して、真空度が10-1〜10-3Torr程度の真空状態に保
持することにより、所定の断熱性能が得られる。FIG. 2 shows a more specific embodiment. Here, the heat insulating material 13 is provided on the bottom of the heat insulation box 11 having the opening 14 on the upper surface.
Are densely spread to a predetermined thickness, a flat heater 15 is placed on the heat insulating material 13, and a temperature sensor 16 such as a thermocouple is provided on the side wall of the heat insulating box 11. Next, a plurality of high temperature type batteries 12 are arranged on the heater 15 in a plurality of rows at a predetermined pitch, and after the high temperature type batteries 12 are connected in series and in parallel as required,
The high temperature type battery 12 is fixed by densely filling the heat insulating material 13 so as to cover the entire outer surface of each high temperature type battery 12. Finally, a warm box
After closing the opening 14 of the 11 with the lid plate 17, the inside of the heat insulating box 11 is evacuated and the vacuum degree is maintained at a vacuum degree of about 10 -1 to 10 -3 Torr, so that a predetermined heat insulation performance is obtained. can get.
【００１０】保温箱11は、本実施例ではステンレス鋼板
製としたが、このような金属製に限らず合成樹脂製とし
たり、ガラスなどの窯業系材料で製作してもよい。断熱
材13には、無機系断熱材、たとえば多孔質の粉末、ガラ
ス繊維やミネラル繊維などの繊維、繊維をボードやマッ
トなどに成形したものなどが適している。ただし、繊維
を使用する場合には、伝熱の方向を考慮して、熱流と直
角方向に繊維を配向させる必要がある。本実施例では、
断熱材として、粒径10μm のシリカ微粉末を使用した。The heat insulating box 11 is made of a stainless steel plate in this embodiment, but it is not limited to such a metal, and may be made of a synthetic resin or a ceramic material such as glass. As the heat insulating material 13, an inorganic heat insulating material, for example, a porous powder, fibers such as glass fibers and mineral fibers, and fibers formed into a board or a mat are suitable. However, when fibers are used, it is necessary to orient the fibers in a direction perpendicular to the heat flow in consideration of the direction of heat transfer. In this example,
As the heat insulating material, silica fine powder having a particle size of 10 μm was used.
【００１１】ヒータ15は高温型電池12を加熱するための
もので、電気ヒータを使用しており、保温箱11の内部温
度が設定範囲内に入るように温度センサ16を用いて制御
される。ヒータ15への配線および温度センサ16が保温箱
11の側壁を貫通する部分には、特殊プラグ18を使用し
て、電気的絶縁および気密が保持される。なお、図示を
省略したが、保温箱11の内部温度が過大になったときに
放熱できるように、冷媒用ジャケットなどの放熱機構を
高温型電池12の近傍に設けることもできる。蓋板17は、
図３(a) に示すように、その全周を保温箱11と気密溶接
するか、または図３(b) に示すように、パッキン19を介
してクランプ20により保温箱11に接合する。 上記のよ
うに構成してヒータ15に通電したところ、きわめて良好
な保温特性が得られた。また、断熱材13が高温型電池12
に直接密着しているが、シリカ微粉末は絶縁性が高く、
しかも保温箱11の内部が真空状態になっているので、電
気的な短絡事故は起こらなかった。The heater 15 is for heating the high temperature type battery 12, uses an electric heater, and is controlled by a temperature sensor 16 so that the internal temperature of the heat insulating box 11 falls within a set range. Wiring to heater 15 and temperature sensor 16 are heat insulation boxes
A special plug 18 is used in the portion penetrating the side wall of 11 to maintain electrical insulation and airtightness. Although not shown, a heat dissipation mechanism such as a coolant jacket may be provided near the high temperature type battery 12 so that heat can be dissipated when the internal temperature of the heat insulating box 11 becomes excessive. The lid plate 17 is
As shown in FIG. 3 (a), the entire circumference is airtightly welded to the heat insulation box 11, or as shown in FIG. 3 (b), it is joined to the heat insulation box 11 by a clamp 20 via a packing 19. When the heater 15 having the above-described structure was energized, extremely good heat retention characteristics were obtained. In addition, the heat insulating material 13 is the high temperature type battery 12
Directly adheres to, but silica fine powder has high insulation,
Moreover, since the inside of the heat insulation box 11 was in a vacuum state, no electrical short circuit accident occurred.
【００１２】[0012]
【発明の効果】以上述べたように本発明によると下記の
ような効果を得ることができる。 (1) 保温箱には、従来のメンブレンのようなヒートブリ
ッジを形成する個所がないので、ヒートブリッジからの
放熱損失が皆無である。そのため、きわめて優れた保温
効果を発揮する。As described above, according to the present invention, the following effects can be obtained. (1) Since there is no part that forms a heat bridge like a conventional membrane in the heat insulation box, there is no heat dissipation loss from the heat bridge. Therefore, it exerts an extremely excellent heat retaining effect.
【００１３】(2) 断熱材は、高温型電池の全周を被包し
ているので、高温型電池の移動、衝撃に対する支持材お
よび緩衝材としても役立つ。このため、自動車用の電源
への利用に適する。(2) Since the heat insulating material covers the entire circumference of the high temperature battery, it also serves as a support material and a cushioning material against movement and impact of the high temperature battery. Therefore, it is suitable for use as a power source for automobiles.
【００１４】(3) 保温箱は、従来のような二重壁構造で
はなく、単純な一重壁構造となっているので、全体が軽
量かつ小形になるとともに、衝撃に強く、コストも低く
なる。(3) Since the heat-insulating box has a simple single-wall structure instead of the conventional double-wall structure, it is lightweight and compact as a whole, and it is resistant to impact and cost is low.
【００１５】(4) 保温箱には従来のメンブレンのような
強度上の弱点がないので、その寿命が長い。 (5) 高温型電池がたとえばナトリウム−硫黄電池のよう
なもので、万一保温箱内で破損した場合でも、真空状態
下で密封されているので、ナトリウムや硫黄などの危険
物が空気に触れて発火したり、外部に漏れ出すことがな
く、防災上きわめて安全である。(4) Since the heat insulation box does not have the weakness in strength as in the conventional membrane, its life is long. (5) A high-temperature type battery is, for example, a sodium-sulfur battery, and even if it breaks in a heat-retaining box, it is sealed under vacuum, so dangerous substances such as sodium and sulfur come into contact with air. It is extremely safe for disaster prevention because it does not ignite or leak to the outside.
【図１】本発明の一実施例の高温型電池の保温構造の基
本的構成を示す断面図である。FIG. 1 is a cross-sectional view showing a basic structure of a heat retaining structure of a high temperature battery according to an embodiment of the present invention.
【図２】同保温構造の具体例にもとづく保温箱の断面図
である。FIG. 2 is a sectional view of a heat insulation box based on a specific example of the heat insulation structure.
【図３】図２に示す保温箱の蓋板の接合方法を示す部分
断面図である。FIG. 3 is a partial cross-sectional view showing a method for joining the cover plates of the heat insulation box shown in FIG.
【図４】従来の真空断熱箱の一例を示す断面図である。FIG. 4 is a sectional view showing an example of a conventional vacuum insulation box.
１１ 保温箱 １２ 高温型電池 １３ 断熱材 11 Thermal insulation box 12 High temperature type battery 13 Insulation material
Claims (1)
ともにこの高温型電池の全外面を被包するように断熱材
を充填し、前記保温箱の内部を密閉して真空状態に保持
することを特徴とする高温型電池の保温構造。1. A high temperature battery is arranged inside the heat insulating box, and a heat insulating material is filled so as to cover the entire outer surface of the high temperature battery, and the inside of the heat insulating box is sealed and kept in a vacuum state. A heat retaining structure for a high temperature type battery characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4143086A JP3003736B2 (en) | 1992-06-04 | 1992-06-04 | Thermal insulation structure of high-temperature battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4143086A JP3003736B2 (en) | 1992-06-04 | 1992-06-04 | Thermal insulation structure of high-temperature battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05343041A true JPH05343041A (en) | 1993-12-24 |
| JP3003736B2 JP3003736B2 (en) | 2000-01-31 |
Family
ID=15330590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4143086A Expired - Lifetime JP3003736B2 (en) | 1992-06-04 | 1992-06-04 | Thermal insulation structure of high-temperature battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3003736B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152902A (en) * | 2011-01-27 | 2011-08-17 | 中国科学院上海硅酸盐研究所 | Composite vacuum heat preservation box for energy storage sodium sulfur battery module |
| JP2012148969A (en) * | 2012-02-20 | 2012-08-09 | Nichias Corp | Method of producing heat insulating material for reformer |
| JP2014216141A (en) * | 2013-04-24 | 2014-11-17 | 株式会社ドクター中松創研 | Thermal runaway prevention lithium ion battery device |
| JP2015153476A (en) * | 2014-02-10 | 2015-08-24 | 三菱電機株式会社 | battery pack storage case |
| US10270072B2 (en) | 2011-12-30 | 2019-04-23 | General Electric Company | Rechargeable battery and method |
| JP2020087919A (en) * | 2018-11-14 | 2020-06-04 | 寧徳時代新能源科技股▲分▼有限公司Ｃｏｎｔｅｍｐｏｒａｒｙ Ａｍｐｅｒｅｘ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｉｍｉｔｅｄ | Battery product |
| US11905385B2 (en) | 2017-02-08 | 2024-02-20 | Elkem Silicones USA Corp. | Secondary battery pack with improved thermal management |
-
1992
- 1992-06-04 JP JP4143086A patent/JP3003736B2/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152902A (en) * | 2011-01-27 | 2011-08-17 | 中国科学院上海硅酸盐研究所 | Composite vacuum heat preservation box for energy storage sodium sulfur battery module |
| US10270072B2 (en) | 2011-12-30 | 2019-04-23 | General Electric Company | Rechargeable battery and method |
| JP2012148969A (en) * | 2012-02-20 | 2012-08-09 | Nichias Corp | Method of producing heat insulating material for reformer |
| JP2014216141A (en) * | 2013-04-24 | 2014-11-17 | 株式会社ドクター中松創研 | Thermal runaway prevention lithium ion battery device |
| JP2015153476A (en) * | 2014-02-10 | 2015-08-24 | 三菱電機株式会社 | battery pack storage case |
| US11905385B2 (en) | 2017-02-08 | 2024-02-20 | Elkem Silicones USA Corp. | Secondary battery pack with improved thermal management |
| JP2020087919A (en) * | 2018-11-14 | 2020-06-04 | 寧徳時代新能源科技股▲分▼有限公司Ｃｏｎｔｅｍｐｏｒａｒｙ Ａｍｐｅｒｅｘ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｉｍｉｔｅｄ | Battery product |
| US11588263B2 (en) | 2018-11-14 | 2023-02-21 | Contemporary Amperex Technology Co., Limited | Battery product |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3003736B2 (en) | 2000-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4383013A (en) | High temperature multicell electrochemical storage batteries | |
| JPH04230962A (en) | High-temperature storage battery | |
| EP0157751A2 (en) | Thermally insulated container | |
| JPH0460948B2 (en) | ||
| US4403023A (en) | Thermal insulation | |
| JPH05343041A (en) | Heat insulating structure for high-temperature type battery | |
| US4505977A (en) | Thermal insulation | |
| US4425413A (en) | Thermal Insulation | |
| GB1151083A (en) | Thermoelectric Conversion Module. | |
| JPS6215773A (en) | Heat insulating apparatus | |
| US4598005A (en) | Thermal insulation | |
| JPH05343042A (en) | Heat insulating structure for high-temperature type battery | |
| GB2081000A (en) | Controlling the temperature of e.g. sodium-sulphur batteries | |
| RU2073285C1 (en) | Design of heat insulating casing | |
| JPH07226228A (en) | Heat insulation container for high temperature battery | |
| JP2006024536A (en) | Heat insulation container, its manufacturing method, and battery pack equipped with it | |
| JPS61171065A (en) | Thermal cell | |
| JP2001223035A (en) | Vacuum adiabatic container for battery | |
| JP2001357873A (en) | Thermal battery | |
| CN110970685B (en) | Battery heat dissipation pressure release energy recovery explosion-proof structure and device and manufacturing method thereof | |
| CN109962315A (en) | A kind of battery pack, vehicle and energy storage device | |
| JP2003234131A (en) | Heating device of collective battery composed of sodium- sulfur cell | |
| JPH09119589A (en) | Vacuum-insulated container | |
| JPH09199167A (en) | High temperature secondary cell module and cell system using this high temperature secondary cell module | |
| JPH07509773A (en) | Heat storage block for electric heat storage heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |