JPH0821427B2 - Assembled battery - Google Patents

Assembled battery

Info

Publication number
JPH0821427B2
JPH0821427B2 JP4065332A JP6533292A JPH0821427B2 JP H0821427 B2 JPH0821427 B2 JP H0821427B2 JP 4065332 A JP4065332 A JP 4065332A JP 6533292 A JP6533292 A JP 6533292A JP H0821427 B2 JPH0821427 B2 JP H0821427B2
Authority
JP
Japan
Prior art keywords
heat insulating
granular
battery
battery module
assembled battery
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
Application number
JP4065332A
Other languages
Japanese (ja)
Other versions
JPH05266925A (en
Inventor
敏幸 川口
幹根 武山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Tokyo Electric Power Co Inc
Original Assignee
NGK Insulators Ltd
Tokyo Electric Power Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd, Tokyo Electric Power Co Inc filed Critical NGK Insulators Ltd
Priority to JP4065332A priority Critical patent/JPH0821427B2/en
Publication of JPH05266925A publication Critical patent/JPH05266925A/en
Publication of JPH0821427B2 publication Critical patent/JPH0821427B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Battery Mounting, Suspending (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Secondary Cells (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、ナトリウム−硫黄電
池等の単電池を複数集合させてなる集合電池に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembled battery formed by assembling a plurality of unit cells such as sodium-sulfur batteries.

【0002】[0002]

【従来の技術】従来のこの種の集合電池においては、図
3に示すように、フレーム21内に複数の単電池22を
立設集合させて電池モジュール23が構成され、この電
池モジュール23が上面を開口した断熱容器24内に収
容されている。また、この断熱容器24内にはセラミッ
ク粒や砂等よりなる粒状防火材25が充填され、この状
態で断熱容器24の開口部に蓋体26が装着されてい
る。
2. Description of the Related Art In a conventional assembled battery of this type, as shown in FIG. 3, a battery module 23 is constructed by vertically assembling a plurality of unit cells 22 in a frame 21. It is housed in a heat insulating container 24 having an opening. Further, a granular fireproof material 25 made of ceramic particles, sand or the like is filled in the heat insulating container 24, and a lid 26 is attached to the opening of the heat insulating container 24 in this state.

【0003】[0003]

【発明が解決しようとする課題】ところが、この従来の
集合電池においては、フレーム21内に複数の単電池2
2を立設集合させて電池モジュール23を構成している
ため、構造が複雑で組み付けが面倒であるという問題が
あった。
However, in this conventional assembled battery, a plurality of unit cells 2 are provided in the frame 21.
Since the battery module 23 is configured by vertically assembling the two, there is a problem that the structure is complicated and the assembly is troublesome.

【0004】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、電池モジュールの構造を簡素化するこ
とができるとともに、その組み付けを容易に行うことが
でき、しかも、電池モジュールを構成する単電池の相互
間にずれが生じるのを防止することができる集合電池を
提供することにある。
The present invention has been made by paying attention to the problems existing in such conventional techniques, and the purpose thereof is to simplify the structure of the battery module and An object of the present invention is to provide an assembled battery that can be easily assembled and that can prevent deviation between the unit cells that form the battery module.

【0005】[0005]

【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、この発明の集合電池においては、複数の単電池を
立設集合させてなる電池モジュールを断熱容器内に収容
し、その断熱容器内の下部にはバインダを混合した細径
の粒状固定材を充填するとともに、断熱容器内の上部に
は粗径の粒状防火材を充填したものである。
In order to achieve the above object, in the assembled battery of the present invention, a battery module formed by vertically assembling a plurality of unit cells is housed in a heat insulating container, and the heat insulating container is provided. The lower part of the inside is filled with a small-diameter granular fixing material mixed with a binder, and the upper part of the heat insulating container is filled with a coarse-diameter granular fireproof material.

【0006】[0006]

【作用】上記のように構成された集合電池においては、
フレーム等を使用することなく、複数の単電池を立設集
合状態で断熱容器内に直接収容して、電池モジュールが
構成されているため、電池モジュールの構造が簡単で、
その組み付けを容易に行うことができる。また、断熱容
器内の下部にはバインダを混合した細径の粒状固定材が
充填され、そのバインダの硬化により、粒状固定材を介
して単電池が立設集合状態に固定保持されているため、
単電池の相互間にずれが生じるおそれを確実に防止する
ことができる。
In the assembled battery constructed as described above,
Without using a frame or the like, the battery module is configured by directly accommodating a plurality of unit cells in an upright assembled state in an adiabatic container, so the structure of the battery module is simple
The assembly can be easily performed. Further, the lower part in the heat insulating container is filled with a small-diameter granular fixing material mixed with a binder, and by curing the binder, the single cells are fixedly held in the standing assembly state through the granular fixing material.
It is possible to surely prevent the possibility that the cells are displaced from each other.

【0007】[0007]

【実施例】以下、この発明を具体化した集合電池の一実
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 an assembled battery embodying the present invention will be described in detail below with reference to FIGS.

【0008】単電池1はナトリウム−硫黄電池から形成
され、図2に示すように、この単電池1を外周が互いに
密接した状態で複数個立設集合させることによって、電
池モジュール2が構成されている。
The unit cell 1 is formed of a sodium-sulfur battery, and as shown in FIG. 2, a plurality of the unit cells 1 are erected and assembled with their outer peripheries in close contact with each other to form a battery module 2. There is.

【0009】断熱容器3は上側面を開口したほぼ箱型に
形成され、その内部には前記電池モジュール2が直接収
容されている。この断熱容器3は外ケース4と、その外
ケース4内に所定間隙をおいて配設された内ケース5と
から構成され、外ケース4と内ケース5との間の間隙に
は断熱材6が介装されるとともに、真空引きが施されて
いる。
The heat insulating container 3 is formed in a substantially box shape having an open upper surface, and the battery module 2 is directly housed therein. The heat insulating container 3 is composed of an outer case 4 and an inner case 5 arranged in the outer case 4 with a predetermined gap, and a heat insulating material 6 is provided in the gap between the outer case 4 and the inner case 5. Is installed and is evacuated.

【0010】蓋体7は前記断熱容器3の上側開口部に装
着され、この蓋体7により断熱容器3の開口部が密閉さ
れている。この蓋体7は外蓋8と、その外蓋8内に所定
間隙をおいて配設された内蓋9とから構成され、外蓋8
と内蓋9との間の間隙には断熱材10が介装されるとと
もに、真空引きが施されている。
The lid 7 is attached to the upper opening of the heat insulating container 3, and the opening of the heat insulating container 3 is sealed by the lid 7. The lid body 7 is composed of an outer lid 8 and an inner lid 9 provided in the outer lid 8 with a predetermined gap therebetween.
A heat insulating material 10 is interposed in the gap between the inner cover 9 and the inner lid 9, and a vacuum is applied.

【0011】細径の粒状固定材11は前記断熱容器3内
の下部に充填され、この粒状固定材11には熱硬化性の
バインダが混合されている。そして、このバインダの加
熱硬化により、粒状固定材11の粒子が互いに接合固定
されて、単電池1が立設集合状態に固定保持されてい
る。粗径の粒状防火材12は断熱容器3内の上部に充填
され、集合電池の動作中に電池モジュール2にトラブル
が発生したとき、この粒状防火材12によって火災に繋
がるのが防止される。
The small-diameter granular fixing material 11 is filled in the lower part of the heat insulating container 3, and the granular fixing material 11 is mixed with a thermosetting binder. Then, the particles of the granular fixing material 11 are bonded and fixed to each other by the heat curing of the binder, so that the unit cells 1 are fixed and held in the standing and assembled state. The coarse-grained fire-retardant material 12 is filled in the upper part of the heat insulating container 3, and when a trouble occurs in the battery module 2 during the operation of the assembled battery, the fire-retardant material 12 prevents the fire from occurring.

【0012】ちなみに、この実施例においては、前記粒
状固定材11として、粒径が数10ミクロン程度で、絶
縁性及び熱伝導性の良好な球形状の炭化ケイ素、アルミ
ナ、ケイ砂の粒状体が単体若しくは混合して使用されて
いる。また、熱硬化性バインダとしてシリコーン系樹脂
が使用されている。また、粒状防火材12としては、粒
径が1mm程度で、熱伝導性の良好なセルベン(磁器碍子
の粉砕物)等が使用されている。そして、この粒状防火
材12は電池交換時に除去しやすいようになっている。
By the way, in this embodiment, as the granular fixing material 11, a spherical granular material of silicon carbide, alumina or silica sand having a particle size of about several tens of microns and good insulation and thermal conductivity is used. Used alone or in combination. Further, a silicone resin is used as the thermosetting binder. As the granular fireproof material 12, cerbene (crushed porcelain insulator) having a particle diameter of about 1 mm and good thermal conductivity is used. The granular fireproof material 12 is designed to be easily removed when the battery is replaced.

【0013】次に、前記のように構成された集合電池に
ついて作用を説明する。さて、この実施例の集合電池に
おいては、フレーム等を使用することなく、複数の単電
池1を立設集合状態で断熱容器3内に直接収容して、電
池モジュール2が構成されているため、電池モジュール
2の構造が簡単で、その組み付けを容易に行うことがで
きる。
Next, the operation of the assembled battery configured as described above will be described. Now, in the assembled battery of this embodiment, the battery module 2 is configured by directly accommodating the plurality of unit cells 1 in the heat-insulated container 3 in an upright assembled state without using a frame or the like. The battery module 2 has a simple structure and can be easily assembled.

【0014】また、断熱容器3内の下部には熱硬化性の
バインダを混合した細径の粒状固定材11が充填され、
そのバインダの加熱硬化により、粒状固定材11の粒子
が互いに接合固定されて、単電池1が立設集合状態に固
定保持されているため、単電池1の相互間にずれが生じ
るおそれを確実に防止することができる。
The lower part of the heat insulating container 3 is filled with a small-diameter granular fixing material 11 mixed with a thermosetting binder,
Due to the heat curing of the binder, the particles of the granular fixing material 11 are bonded and fixed to each other, and the unit cells 1 are fixed and held in the standing assembly state. Therefore, it is possible to surely prevent the unit cells 1 from being displaced from each other. Can be prevented.

【0015】さらに、断熱容器3内の上部には粗径の粒
状防火材12が充填されているため、集合電池の動作時
に、電池モジュール2にトラブルが発生しても、この粒
状防火材12によって火災に繋がるおそれを確実に防止
することができる。また、集合電池の停止時には、温度
低下に伴い前記粒状固定材11と単電池1との収縮率の
差から両者にわずかな隙間ができるため、単電池1が固
定保持状態から解放され、さらに粒状防火材12は吸引
除去できるため、単電池1の交換作業等を容易に行うこ
ともできる。
Further, since the upper portion of the heat insulating container 3 is filled with the coarse-grained granular fireproof material 12, even if a trouble occurs in the battery module 2 during the operation of the assembled battery, the granular fireproof material 12 is used. It is possible to reliably prevent the risk of a fire. Further, when the assembled battery is stopped, a slight gap is formed between the granular fixing material 11 and the unit cell 1 due to a difference in shrinkage rate between the granular fixing member 11 and the unit cell 1 due to the temperature decrease. Since the fireproof material 12 can be removed by suction, replacement work of the unit cell 1 can be easily performed.

【0016】その上、粒状固定材11は熱伝導性が良い
ので、電池にトラブルが発生して高温になってもその熱
は容易に放散されて集合電池内の均熱化が図られ、局部
的な過熱が回避される。また、万一電池から活物質が漏
れたときには、その活物質は下部の粒状固定材11によ
って吸収保持される。
Moreover, since the granular fixing material 11 has good thermal conductivity, even if a trouble occurs in the battery and the temperature becomes high, the heat is easily dissipated to achieve uniform heat distribution in the assembled battery and local Overheating is avoided. If the active material leaks from the battery, the active material is absorbed and held by the granular fixing material 11 below.

【0017】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、粒状固定材11、バイン
ダ、粒状防火材12の素材を適宜に変更したり、粒状固
定材11と粒状防火材12との充填割合を変えたり等、
この発明の趣旨から逸脱しない範囲で、任意に変更して
具体化することも可能である。
The present invention is not limited to the configuration of the above-described embodiment. For example, the materials of the granular fixing material 11, the binder and the granular fireproof material 12 may be changed appropriately, or the granular fixing material 11 and the granular fireproof material may be changed. Change the filling ratio with the material 12, etc.
It is also possible to arbitrarily change and embody the present invention without departing from the spirit of the present invention.

【0018】[0018]

【発明の効果】この発明は、以上説明したように構成さ
れているため、電池モジュールの構造を簡素化すること
ができるとともに、その組み付けを容易に行うことがで
き、しかも、電池モジュールを構成する複数の単電池を
立設集合状態に固定保持することができて、単電池の相
互間にずれが生じるのを確実に防止することができると
いう優れた効果を奏する。
Since the present invention is configured as described above, the structure of the battery module can be simplified, and the assembly thereof can be easily performed, and the battery module is configured. This has an excellent effect that a plurality of unit cells can be fixedly held in the standing assembly state, and the displacement between the unit cells can be reliably prevented.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明を具体化した集合電池の一実施例を示
す断面図である。
FIG. 1 is a cross-sectional view showing an embodiment of an assembled battery embodying the present invention.

【図2】その集合電池の電池モジュールを示す平面図で
ある。
FIG. 2 is a plan view showing a battery module of the assembled battery.

【図3】従来の集合電池を示す断面図である。FIG. 3 is a cross-sectional view showing a conventional assembled battery.

【符号の説明】[Explanation of symbols]

1…単電池、2…電池モジュール、3…断熱容器、11
…粒状固定材、12…粒状防火材。
DESCRIPTION OF SYMBOLS 1 ... Single battery, 2 ... Battery module, 3 ... Thermal insulation container, 11
... granular fixing material, 12 ... granular fireproof material.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 複数の単電池を立設集合させてなる電池
モジュールを断熱容器内に収容し、その断熱容器内の下
部にはバインダを混合した細径の粒状固定材を充填する
とともに、断熱容器内の上部には粗径の粒状防火材を充
填したことを特徴とする集合電池。
1. A battery module formed by vertically assembling a plurality of unit cells is housed in a heat insulating container, and a lower part of the heat insulating container is filled with a small-diameter granular fixing material mixed with a binder, and heat insulating is performed. An aggregate battery characterized in that the upper part of the container is filled with coarse-grained fireproof material.
JP4065332A 1992-03-23 1992-03-23 Assembled battery Expired - Fee Related JPH0821427B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4065332A JPH0821427B2 (en) 1992-03-23 1992-03-23 Assembled battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4065332A JPH0821427B2 (en) 1992-03-23 1992-03-23 Assembled battery

Publications (2)

Publication Number Publication Date
JPH05266925A JPH05266925A (en) 1993-10-15
JPH0821427B2 true JPH0821427B2 (en) 1996-03-04

Family

ID=13283861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4065332A Expired - Fee Related JPH0821427B2 (en) 1992-03-23 1992-03-23 Assembled battery

Country Status (1)

Country Link
JP (1) JPH0821427B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203800094U (en) * 2014-04-14 2014-08-27 浙江君飞科技有限公司 Storage battery with fire prevention function
EP3176847B1 (en) * 2014-07-30 2018-12-19 Zhejiang Chaowei Chuangyuan Industraial Ltd. Lithium battery and electric vehicle using same
JP2021086798A (en) * 2019-11-29 2021-06-03 株式会社スリーダム Battery pack and manufacturing method thereof

Also Published As

Publication number Publication date
JPH05266925A (en) 1993-10-15

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