JP3546111B2 - High temperature operation type battery device - Google Patents

High temperature operation type battery device Download PDF

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Publication number
JP3546111B2
JP3546111B2 JP12467996A JP12467996A JP3546111B2 JP 3546111 B2 JP3546111 B2 JP 3546111B2 JP 12467996 A JP12467996 A JP 12467996A JP 12467996 A JP12467996 A JP 12467996A JP 3546111 B2 JP3546111 B2 JP 3546111B2
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Japan
Prior art keywords
temperature
operation type
type battery
temperature operation
heating element
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Expired - Fee Related
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JP12467996A
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Japanese (ja)
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JPH09306552A (en
Inventor
洋 菊地
山田　　明
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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    • 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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Description

【０００１】
【発明の属する技術分野】
本発明は高温作動型電池装置に関する。
【０００２】
【従来の技術】
図２は従来技術を示したものであり、図２（ａ）は２５本の縦置き円筒形高温作動型電池で構成された装置を示した平面図、図２（ｂ）は図２（ａ）の矢視Ｂ−Ｂにおける断面図、図２（ｃ）は図２（ｂ）の上下方向の温度分布を示した図である。
【０００３】
２１は縦置き円筒形高温作動型電池、２２はこの高温作動型電池２１の側面に沿って配置された金属板、２３はこの金属板２２の側面に取り付けられた発熱体、２４は金属板２２に対して機械的及び熱的に良好に接続された金属板である。なお、高温作動型電池２１と金属板２４との間には図示しない絶縁材が介在しており、高温作動型電池２１の支持及び／又は位置決めを行なっている。
【０００４】
【発明が解決しようとする課題】
高温作動型電池は、その内部に高温で溶融するリチウムやナトリウム等のアルカリ金属や溶融塩が充填されており、その多くはこれらの充填物が溶融状態で作動する。したがって、作動に至る段階で充填物が溶融する必要がある。この場合、図２に示したような縦置型の高温作動型電池では、その上部から下部に向かって徐々に充填物を溶融させる必要がある。仮に高温作動型電池の下部から上部に向かって充填物が溶融した場合、溶融に伴う体積膨脹を高温作動型電池の外装容器や内部隔壁の変形等によって吸収できないと、外装容器や内部隔壁等が破壊されるおそれがある。
【０００５】
ところが、図２（ａ）及び（ｂ）に示した縦置型の高温作動型電池を用いた装置では、図２（ｃ）に示すように、上下方向の温度分布が均一化している。したがって、高温作動型電池の下部から上部に向かって充填物が溶融する場合もあり、高温作動型電池が破壊等するおそれがあった。
【０００６】
本発明は、高温作動型電池を複数設けた装置において、高温作動型電池の上部から下部に向かって充填物が溶融するとともに、装置の横方向（水平方向）の温度分布を均一化させることが可能な装置を提供することを目的とする。
【０００７】
【課題を解決するための手段】
本発明は、外部から加熱、昇温することによって良好な作動を開始することができる縦置き形の高温作動型電池装置において、個々の高温作動型電池を加熱、昇温させるための発熱体が個々の高温作動型電池を取り囲むように近接して配置され、上記発熱体は上下方向に２系統に分割されて系統毎にそれぞれ単独で制御可能であり、上記高温作動型電池の充填物の充填高さの近傍位置に熱伝導率の高い材料からなる水平金属板を設けたものである。
【０００８】
上下方向２系統に分割された発熱体をそれぞれ単独で制御することができるので、上側の発熱体を作動させた後に下側の発熱体を作動させるようにすれば、高温作動型電池の上側から下側に向かって確実に充填物を溶融することができる。また、高温作動型電池の充填物の充填高さの近傍位置に熱伝導率の高い材料からなる水平金属板を設けたので、装置の横方向（水平方向）の温度分布を均一化させることができる。
【０００９】
【発明の実施の形態】
図１は本発明の一実施形態を示したものであり、図１（ａ）は複数の縦置き円筒形高温作動型電池で構成された装置を示した平面図、図１（ｂ）は図１（ａ）の矢視Ａ−Ａにおける断面図、図１（ｃ）は図１（ｂ）の上下方向の温度分布を示した図である。
【００１０】
１１は縦置き円筒形高温作動型電池であり、図１においては５行×５列の合計２５本の高温作動型電池が配置されている。１２は列方向に配置された高温作動型電池１１に沿って配置された金属板である。１３ａ及び１３ｂは上下方向に分割して配置された発熱体であり、発熱体１３ａは金属板１２の上側の側面に、発熱体１３ｂは金属板１２の下側の側面にそれぞれ取り付けられている。これらの発熱体１３ａ及び１３ｂは、分割して配置されているので、別々に制御（作動）することができる。
【００１１】
１４は高温作動型電池１１の充填物の充填高さ近傍位置に配置された金属板であり、各金属板１２を横方向（水平方向）に接続している。１５は各金属板１２の底部に接続された金属板である。これらの金属板１４及び１５は金属板１２に対して機械的及び熱的に良好に接続されており、また、金属板１２、１４及び１５は熱伝導率の高い材料（銅、アルミニウム等）を用いて構成されているため、発熱体１３ａ及び１３ｂの熱を効率良く伝導させることができる。
【００１２】
なお、高温作動型電池１１と金属板１５との間には図示しない絶縁材が介在しており、高温作動型電池１１の支持及び／又は位置決めを行なっている。
つぎに、本実施形態の動作について説明する。
【００１３】
発熱体１３ａ及び発熱体１３ｂは分離して配置されており、別々に制御することができる。そこで、まず上側の発熱体１３ａを作動させ、次に下側の発熱体１３ｂを作動させる。このように時間差を設けて発熱体１３ａ及び１３ｂを作動させることにより、高温作動型電池１１の上下方向の温度分布を、例えば図１（ｃ）に示すように、上部の温度の方を下部の温度よりも高くすることができる。したがって、高温作動型電池の上部から下部に向かって確実に充填物を溶融することができる。
【００１４】
また、高温作動型電池１１の充填物の充填高さ付近には各金属板１２を横方向（水平方向）に連結する金属板１４が設けてあり、この金属板１４は熱伝導率の高い材料を用いて構成されている。そのため、発熱体１３ａ及び１３ｂで生じた熱がこの金属板１４によって効率良く横方向に伝わる。したがって、装置の横方向（水平方向）の温度分布を均一化、すなわち各高温作動型電池１１相互間における温度分布の均一化をはかることができる。
【００１５】
【発明の効果】
本発明では、上下方向２系統に分割された発熱体をそれぞれ単独で制御することができるので、上側の発熱体を作動させた後に下側の発熱体を作動させるようにすれば、高温作動型電池の上側から下側に向かって確実に充填物を溶融することが可能となり、高温作動型電池の破壊等を防止することが可能となる。
【００１６】
また、高温作動型電池の充填物の充填高さの近傍位置に熱伝導率の高い材料からなる水平金属板を設けたので、装置の横方向（水平方向）の温度分布を均一化させることが可能となる。
【図面の簡単な説明】
【図１】本発明の一実施形態を示した平面図（ａ）及び断面図（ｂ）並びに断面図（ｂ）における上下方向の温度分布を示した図（ｃ）である。
【図２】従来技術を示した平面図（ａ）及び断面図（ｂ）並びに断面図（ｂ）における上下方向の温度分布を示した図（ｃ）である。
【符号の説明】
１１ 高温作動型電池
１３ａ 発熱体
１３ｂ 発熱体
１４ 金属板（水平金属板）[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a high temperature operation type battery device.
[0002]
[Prior art]
2A and 2B show a prior art. FIG. 2A is a plan view showing an apparatus constituted by 25 vertically placed cylindrical high-temperature operated batteries, and FIG. 2) is a cross-sectional view taken along the line BB, and FIG. 2 (c) is a diagram showing the temperature distribution in the vertical direction of FIG. 2 (b).
[0003]
Reference numeral 21 denotes a vertical cylindrical high-temperature operation type battery, 22 denotes a metal plate disposed along the side surface of the high-temperature operation type battery 21, 23 denotes a heating element attached to the side surface of the metal plate 22, and 24 denotes a metal plate 22. It is a metal plate that is mechanically and thermally well connected to An insulating material (not shown) is interposed between the high-temperature operation type battery 21 and the metal plate 24, and supports and / or positions the high-temperature operation type battery 21.
[0004]
[Problems to be solved by the invention]
A high temperature operation type battery is filled with an alkali metal or a molten salt such as lithium or sodium which is melted at a high temperature, and most of them operate in a molten state with these fillers. Therefore, the filler needs to be melted at a stage before the operation. In this case, in the vertical type high temperature operation type battery as shown in FIG. 2, it is necessary to gradually melt the filler from the upper part to the lower part. If the filling melts from the lower part to the upper part of the high-temperature operation type battery, if the volume expansion accompanying the melting cannot be absorbed by the deformation of the outer container or the inner partition of the high-temperature operation type battery, the outer container or the inner partition, etc. There is a risk of being destroyed.
[0005]
However, in the device using the vertically mounted high-temperature operation type battery shown in FIGS. 2A and 2B, the vertical temperature distribution is uniform as shown in FIG. 2C. Therefore, the filler may melt from the lower part to the upper part of the high-temperature operation type battery, and the high-temperature operation type battery may be broken.
[0006]
The present invention provides an apparatus having a plurality of high-temperature operation type batteries, in which the filler is melted from the upper part to the lower part of the high-temperature operation type battery and the temperature distribution in the lateral direction (horizontal direction) of the apparatus is made uniform. The aim is to provide a possible device.
[0007]
[Means for Solving the Problems]
The present invention relates to a vertically placed high-temperature operation type battery device capable of starting good operation by externally heating and raising the temperature, wherein a heating element for heating and raising the temperature of each high-temperature operation type battery is provided. The heating elements are arranged close to each other so as to surround each of the high-temperature operation type batteries, and the heating element is vertically divided into two systems, each of which can be independently controlled, and the filling of the high-temperature operation type battery is performed. A horizontal metal plate made of a material having high thermal conductivity is provided near the height.
[0008]
Since each of the heating elements divided into two systems in the vertical direction can be controlled independently, if the lower heating element is activated after the upper heating element is activated, from the upper side of the high temperature operation type battery. The filling can be reliably melted downward. In addition, since a horizontal metal plate made of a material having high thermal conductivity is provided in the vicinity of the filling height of the filling of the high temperature operation type battery, the temperature distribution in the lateral direction (horizontal direction) of the device can be made uniform. it can.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows an embodiment of the present invention. FIG. 1 (a) is a plan view showing an apparatus constituted by a plurality of vertically placed cylindrical high temperature operated batteries, and FIG. FIG. 1A is a cross-sectional view taken along the line AA of FIG. 1A, and FIG. 1C is a diagram illustrating a vertical temperature distribution of FIG. 1B.
[0010]
Reference numeral 11 denotes a vertical cylindrical high-temperature operation battery. In FIG. 1, a total of 25 high-temperature operation batteries of 5 rows × 5 columns are arranged. Reference numeral 12 denotes a metal plate arranged along the high-temperature operation type batteries 11 arranged in the column direction. Reference numerals 13a and 13b denote heating elements which are separately arranged in the vertical direction. The heating element 13a is attached to the upper side surface of the metal plate 12, and the heating element 13b is attached to the lower side surface of the metal plate 12, respectively. Since these heating elements 13a and 13b are arranged separately, they can be controlled (operated) separately.
[0011]
Reference numeral 14 denotes a metal plate disposed at a position near the filling height of the filling of the high-temperature operation type battery 11, and connects the respective metal plates 12 in the horizontal direction (horizontal direction). Reference numeral 15 denotes a metal plate connected to the bottom of each metal plate 12. These metal plates 14 and 15 are satisfactorily mechanically and thermally connected to the metal plate 12, and the metal plates 12, 14 and 15 are made of a material having high thermal conductivity (copper, aluminum, etc.). Since the heat generating members 13a and 13b are used, the heat of the heating elements 13a and 13b can be efficiently conducted.
[0012]
In addition, an insulating material (not shown) is interposed between the high-temperature operation type battery 11 and the metal plate 15 to support and / or position the high-temperature operation type battery 11.
Next, the operation of the present embodiment will be described.
[0013]
The heating element 13a and the heating element 13b are arranged separately and can be controlled separately. Therefore, the upper heating element 13a is activated first, and then the lower heating element 13b is activated. By operating the heating elements 13a and 13b with a time difference as described above, the temperature distribution in the vertical direction of the high temperature operation type battery 11 can be changed, for example, as shown in FIG. It can be higher than the temperature. Therefore, the filler can be reliably melted from the upper part to the lower part of the high temperature operation type battery.
[0014]
A metal plate 14 for connecting the respective metal plates 12 in the horizontal direction (horizontal direction) is provided near the filling height of the filler of the high temperature operation type battery 11, and the metal plate 14 is made of a material having a high thermal conductivity. It is configured using Therefore, the heat generated in the heating elements 13a and 13b is efficiently transmitted in the lateral direction by the metal plate 14. Therefore, the temperature distribution in the lateral direction (horizontal direction) of the device can be made uniform, that is, the temperature distribution among the high temperature operated batteries 11 can be made uniform.
[0015]
【The invention's effect】
In the present invention, since the heating elements divided into two systems in the vertical direction can be independently controlled, if the heating element on the lower side is operated after the heating element on the upper side is activated, the high-temperature operation type can be controlled. The filling material can be reliably melted from the upper side to the lower side of the battery, and it is possible to prevent the high-temperature operation type battery from being broken.
[0016]
In addition, since a horizontal metal plate made of a material having high thermal conductivity is provided in the vicinity of the filling height of the filling of the high temperature operation type battery, the temperature distribution in the lateral direction (horizontal direction) of the device can be made uniform. It becomes possible.
[Brief description of the drawings]
FIG. 1 is a plan view (a), a sectional view (b), and a sectional view (b) showing a vertical temperature distribution in an embodiment of the present invention.
FIG. 2 is a plan view (a), a sectional view (b), and a view (c) showing a vertical temperature distribution in the sectional view (b) showing the prior art.
[Explanation of symbols]
11 High temperature operation type battery 13a Heating element 13b Heating element 14 Metal plate (horizontal metal plate)

Claims (1)

外部から加熱、昇温することによって良好な作動を開始することができる縦置き形の高温作動型電池装置において、
個々の高温作動型電池を加熱、昇温させるための発熱体が個々の高温作動型電池を取り囲むように近接して配置され、
上記発熱体は上下方向に２系統に分割された系統毎にそれぞれ単独で制御可能であり、上側の発熱体の方を下側の発熱体よりも先に作動させるものであり、
上記高温作動型電池の充填物の充填高さの近傍位置に熱伝導率の高い材料からなる水平金属板を設けた
ことを特徴とする高温作動型電池装置。In a vertical type high temperature operation type battery device that can start good operation by heating and raising the temperature from the outside,
A heating element for heating and raising the temperature of each of the high-temperature operated batteries is disposed close to and surrounds each of the high-temperature operated batteries,
The heating element is independently controllable for each of the two vertically divided systems, and the upper heating element is activated before the lower heating element,
A high-temperature-operated battery device comprising a horizontal metal plate made of a material having a high thermal conductivity provided at a position near the filling height of the filling of the high-temperature-operated battery.
JP12467996A 1996-05-20 1996-05-20 High temperature operation type battery device Expired - Fee Related JP3546111B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12467996A JP3546111B2 (en) 1996-05-20 1996-05-20 High temperature operation type battery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12467996A JP3546111B2 (en) 1996-05-20 1996-05-20 High temperature operation type battery device

Publications (2)

Publication Number Publication Date
JPH09306552A JPH09306552A (en) 1997-11-28
JP3546111B2 true JP3546111B2 (en) 2004-07-21

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JP4733354B2 (en) * 2004-02-18 2011-07-27 東京瓦斯株式会社 Power generator
JP2012174570A (en) * 2011-02-23 2012-09-10 Sumitomo Electric Ind Ltd Battery pack
JP2012174572A (en) * 2011-02-23 2012-09-10 Sumitomo Electric Ind Ltd Battery pack
JP2012174571A (en) * 2011-02-23 2012-09-10 Sumitomo Electric Ind Ltd Battery pack
JP2012190543A (en) * 2011-02-24 2012-10-04 Sumitomo Electric Ind Ltd Molten-salt battery device and control method of molten-salt battery
JP2012243732A (en) * 2011-05-24 2012-12-10 Sumitomo Electric Ind Ltd Molten salt battery pack and warm-up method thereof
JP6008744B2 (en) * 2013-01-11 2016-10-19 株式会社小松製作所 Rotating flying object

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