JP2006040694A - Sealed battery - Google Patents

Sealed battery Download PDF

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Publication number
JP2006040694A
JP2006040694A JP2004218557A JP2004218557A JP2006040694A JP 2006040694 A JP2006040694 A JP 2006040694A JP 2004218557 A JP2004218557 A JP 2004218557A JP 2004218557 A JP2004218557 A JP 2004218557A JP 2006040694 A JP2006040694 A JP 2006040694A
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Prior art keywords
container
battery
resin
sealed
sealed battery
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Yoshiaki Ogata
義明 尾形
Shinji Hamada
真治 浜田
Toyohiko Eto
豊彦 江藤
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Toyota Motor Corp
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Toyota Motor Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/542—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles joining hollow covers or hollow bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/55—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles sealing elements being incorporated into the joints, e.g. gaskets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7146—Battery-cases

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sealed battery having a battery container which can be easily sealed and excellent in heat conductivity. <P>SOLUTION: The sealed battery 100 is composed of a power generating element 140 including a cathode and an anode, and a battery container 110 housing the power generating element. The battery container 110 is provided with a first container member 111 made of metal exposing its inside face to the inside of the container, a second container member 116 made of metal exposing its inside face to the inside of the container, a first resin member 121 made of resin liquid-tightly fixed to the first container member 111, and a second resin member 126 made of resin liquid-tightly fixed to the first container member 116. The first resin member 121 and the second resin member 126 are heat-welded and the battery container 110 is sealed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、正極及び負極を含む電池要素が電池容器に収容された密閉型電池に関し、特に、電池容器が金属からなる容器部材によって構成された密閉型電池に関する。   The present invention relates to a sealed battery in which a battery element including a positive electrode and a negative electrode is housed in a battery container, and particularly relates to a sealed battery in which the battery container is configured by a container member made of metal.

従来より、正極及び負極を含む発電要素が電池容器に収容された密閉型電池が数多く知られている。従来の密閉型電池では、電池容器が３つの種類に大別される。即ち、金属のみから構成された電池容器と、樹脂のみから構成された電池容器と、金属板の内面に樹脂層が被覆された金属・樹脂複合体から構成された電池容器である。金属のみから構成される電池容器は、金属からなる２つの容器部材を突き合わせて溶接することにより封着されている。一方、樹脂のみから構成される電池容器や金属・樹脂複合体から構成される電池容器は、２つの容器部材の樹脂部分を熱溶着することにより封着されている。
なお、特許文献１〜３には、金属・樹脂複合体から構成された電池容器を有する密閉型電池がそれぞれ開示されている。 Conventionally, many sealed batteries are known in which a power generation element including a positive electrode and a negative electrode is housed in a battery container. In conventional sealed batteries, battery containers are roughly divided into three types. That is, a battery container made of only metal, a battery container made of only resin, and a battery container made of a metal / resin composite in which a resin layer is coated on the inner surface of a metal plate. A battery container made of only metal is sealed by abutting and welding two container members made of metal. On the other hand, a battery container composed of only a resin or a battery container composed of a metal / resin composite is sealed by thermally welding resin portions of two container members.
Note that Patent Documents 1 to 3 each disclose a sealed battery having a battery container made of a metal / resin composite.

特開昭６３−２４１８５４号公報JP-A-63-241854 特開平１１−１７６３９７号公報Japanese Patent Laid-Open No. 11-17697 特開平１１−２７３６３１号公報Japanese Patent Laid-Open No. 11-273631

金属のみから構成された電池容器を有する密閉型電池は、容器内部に金属面が露出しているので熱伝導性に優れる。しかし、上記のように電池容器を封着するために溶接が必要で、しかも容器構成部材の突き合わせ面に高い面精度が要求されるため、コスト高になる。
一方、樹脂のみから構成された電池容器を有する密閉型電池は、熱溶着によって電池容器を封着できるので、製造が容易でコスト高を抑えることができる。しかし、電池容器の熱伝導性が悪く、電池を冷却しにくい。また、金属・樹脂複合体から構成された電池容器を有する密閉型電池も同様に、熱溶着によって電池容器を封着できる利点はあるが、電池容器の熱伝導性が金属のみから構成された電池容器に比べ悪く、電池を冷却しにくい。 A sealed battery having a battery container made of only metal is excellent in thermal conductivity because the metal surface is exposed inside the container. However, welding is required to seal the battery container as described above, and high surface accuracy is required for the abutting surfaces of the container constituent members, resulting in high costs.
On the other hand, since a sealed battery having a battery container made of only resin can be sealed by thermal welding, the battery can be easily manufactured and the cost can be reduced. However, the thermal conductivity of the battery container is poor and it is difficult to cool the battery. Similarly, a sealed battery having a battery container made of a metal / resin composite has an advantage that the battery container can be sealed by thermal welding, but the battery container has a heat conductivity made of only metal. It is worse than the container and it is difficult to cool the battery.

本発明は、かかる現状に鑑みてなされたものであって、電池容器を容易に封着でき、かつ、電池容器の熱伝導性に優れた密閉型電池を提供することを目的とする。   The present invention has been made in view of the current situation, and an object of the present invention is to provide a sealed battery in which a battery container can be easily sealed and the battery container is excellent in thermal conductivity.

その解決手段は、正極及び負極を含む発電要素と、前記発電要素を収容する電池容器と、を備える密閉型電池であって、前記電池容器は、金属からなり、自身の内側面が容器内部に露出する第１容器部材と、金属からなり、自身の内側面が容器内部に露出する第２容器部材と、樹脂からなり、前記第１容器部材に液密に固設された第１樹脂部材と、樹脂からなり、前記第２容器部材に液密に固設された第２樹脂部材と、を有し、前記第１樹脂部材と前記第２樹脂部材とが熱溶着されて、前記電池容器が封止されてなる密閉型電池である。   The solution is a sealed battery comprising a power generation element including a positive electrode and a negative electrode, and a battery container that houses the power generation element, wherein the battery container is made of metal, and its inner surface is inside the container. A first container member that is exposed; a second container member that is made of metal and whose inner surface is exposed to the inside of the container; and a first resin member that is made of resin and is liquid-tightly fixed to the first container member; A second resin member made of resin and fixed in a liquid-tight manner on the second container member, and the battery container is formed by thermally welding the first resin member and the second resin member. It is a sealed battery that is sealed.

前述したように、従来の密閉型電池は、電池容器を封着するために溶接を必要としコスト高を招くか、或いは、熱伝導性が悪く冷却性に劣るという問題があった。
これに対し、本発明の密閉型電池は、電池容器が、内側面に樹脂層がなく内側面が容器内部に露出する２つの金属製の容器部材（第１，第２容器部材）によって構成されている。従って、この密閉型電池は、樹脂のみで電池容器が構成される従来の密閉型電池や、内側面に樹脂層を有する金属・樹脂複合体で電池容器が構成される従来の密閉型電池に比して、熱伝導性に優れ、冷却性に優れる。
その上、電池容器は、第１容器部材に液密に固設された第１樹脂部材と第２容器部材に液密に固設された第２樹脂部材とが熱溶着されることにより封止されている。従って、この密閉型電池は、金属のみで構成された従来の密閉型電池のように溶接を必要とせず、熱溶着によって電池容器を封止できるため、安価に製造できる。 As described above, the conventional sealed battery has a problem in that welding is required to seal the battery container, resulting in high costs, or poor thermal conductivity and poor cooling.
On the other hand, in the sealed battery of the present invention, the battery container is constituted by two metal container members (first and second container members) in which the inner surface has no resin layer and the inner surface is exposed inside the container. ing. Therefore, this sealed battery is different from the conventional sealed battery in which the battery container is composed only of resin and the conventional sealed battery in which the battery container is composed of a metal / resin composite having a resin layer on the inner surface. In addition, it has excellent thermal conductivity and excellent cooling properties.
In addition, the battery container is sealed by thermally welding the first resin member fixed in a liquid-tight manner to the first container member and the second resin member fixed in a liquid-tight manner in the second container member. Has been. Therefore, this sealed battery does not require welding unlike the conventional sealed battery made of only metal, and can be manufactured at low cost because the battery container can be sealed by thermal welding.

ここで、「電池容器」は、上記の要件を満たすものであれば、その形態等は特に限定されない。例えば、角型や円筒型とすることができる。
「第１容器部材」及び「第２容器部材」は、金属からなり電池容器を構成するものであればよく、その形態等は特に限定されない。例えば、第１，第２容器部材をそれぞれ有底筒状としてもよいし、或いは、一方を有底筒状とし他方を板状（蓋）としてもよい。また、第１，第２容器部材を構成する金属は、電解液に対する耐性（耐アルカリ性）や強度、第１，第２容器部材が正極及び負極と電気的に接続される場合には電気的安定性等を考慮して適宜選択すればよく、例えば、アルミニウムやアルミニウム合金、ニッケルメッキを施した炭素鋼、ニッケルを多く含むオーステナイト系ステンレスなどが挙げられる。 Here, the form of the “battery container” is not particularly limited as long as it satisfies the above requirements. For example, it can be a rectangular shape or a cylindrical shape.
The “first container member” and the “second container member” are not particularly limited as long as they are made of metal and constitute a battery container. For example, the first and second container members may each have a bottomed cylindrical shape, or one may have a bottomed cylindrical shape and the other may have a plate shape (lid). Further, the metal constituting the first and second container members is resistant to the electrolyte (alkali resistance) and strength, and is electrically stable when the first and second container members are electrically connected to the positive electrode and the negative electrode. For example, aluminum, an aluminum alloy, carbon steel plated with nickel, austenitic stainless steel containing a large amount of nickel, and the like can be given.

「第１樹脂部材」及び「第２樹脂部材」は、第１容器部材または第２容器部材にそれぞれ液密に固設されたものであればよく、その形態やその固設場所等は特に限定されない。例えば、第１，第２容器部材がそれぞれ有底筒状の場合には、それぞれの開口端部に固設することができる。また、第１，第２容器部材の一方が有底筒状、他方が板状の場合には、有底筒状部材の開口端部と、板状部材の周縁端部にそれぞれ固設することができる。また、第１容器部材と第１樹脂部材、或いは、第２容器部材と第２樹脂部材との密着性を向上させるために、両者間にＯリング等のシールリングを介在させる構造とすることもできる。
また、第１，第２樹脂部材の第１，第２容器部材への固設方法は適宜変更できるが、例えば、インサート成形や接着剤による接着、加締め固定などが挙げられる。また、第１，第２樹脂部材を構成する樹脂は、電解液に対する耐性（耐アルカリ性）や熱溶着性などを考慮して適宜選択すればよく、例えば、ポリプロピレン、ポリエチレン、ポリスチレン、変性ポリフェニレンエーテルとポリスチレンの共重合体、ＡＢＳ樹脂、アクリロニトリルスチレン樹脂、ポリアミド、塩化ビニル樹脂、塩化ビニリデン樹脂、メタクリル樹脂、及び、これらの混合物等が挙げられる。 The “first resin member” and the “second resin member” only need to be liquid-tightly fixed to the first container member or the second container member, respectively. Not. For example, when each of the first and second container members has a bottomed cylindrical shape, it can be fixed to each opening end. In addition, when one of the first and second container members has a bottomed cylindrical shape and the other has a plate shape, it is fixed to the opening end portion of the bottomed cylindrical member and the peripheral end portion of the plate-like member. Can do. Further, in order to improve the adhesion between the first container member and the first resin member, or the second container member and the second resin member, a structure in which a seal ring such as an O-ring is interposed therebetween may be adopted. it can.
Moreover, although the fixing method to the 1st, 2nd container member of the 1st, 2nd resin member can be changed suitably, for example, adhesion | attachment by an adhesive bonding, an adhesive agent, caulking fixation, etc. are mentioned. In addition, the resin constituting the first and second resin members may be appropriately selected in consideration of resistance to the electrolyte (alkali resistance), heat weldability, and the like. For example, polypropylene, polyethylene, polystyrene, modified polyphenylene ether and Examples include polystyrene copolymers, ABS resins, acrylonitrile styrene resins, polyamides, vinyl chloride resins, vinylidene chloride resins, methacrylic resins, and mixtures thereof.

更に、上記の密閉型電池であって、前記第１容器部材と前記第２容器部材とは電気的に絶縁されており、前記第１容器部材は、前記正極に電気的に接続して正の電荷を集電してなり、前記第２容器部材は、前記負極に電気的に接続して負の電荷を集電してなる密閉型電池とすると良い。   Further, in the above sealed battery, the first container member and the second container member are electrically insulated, and the first container member is electrically connected to the positive electrode and is positively connected. Preferably, the second container member is a sealed battery that is electrically connected to the negative electrode and collects negative charges.

樹脂のみで電池容器が構成される従来の密閉型電池や、内側面に樹脂層を有する金属・樹脂複合体で電池容器が構成される従来の密閉型電池では、電池容器の内側面が樹脂であるが故に、電池容器に正極や負極を電気的に接続することができない。このため、正極端子や負極端子が別途必要となる。
これに対し、本発明の密閉型電池は、第１容器部材の内側面に樹脂層がなく内側面（金属面）が露出しているので、第１容器部材が正極と電気的に接続して正の電荷を集電する。また、第２容器部材の内側面にも樹脂層がなく内側面（金属層）が露出しているので、第２容器部材が負極と電気的に接続して負の電荷を集電する。従って、正極端子や負極端子が無くすことができ、安価な密閉型電池とすることができる。 In a conventional sealed battery in which a battery container is configured only with resin, or in a conventional sealed battery in which a battery container is configured with a metal / resin composite having a resin layer on the inner surface, the inner surface of the battery container is made of resin. Therefore, the positive electrode and the negative electrode cannot be electrically connected to the battery container. For this reason, a positive electrode terminal and a negative electrode terminal are separately required.
On the other hand, in the sealed battery of the present invention, the first container member is electrically connected to the positive electrode because there is no resin layer on the inner surface of the first container member and the inner surface (metal surface) is exposed. Collect positive charge. Moreover, since there is no resin layer on the inner side surface of the second container member and the inner side surface (metal layer) is exposed, the second container member is electrically connected to the negative electrode and collects negative charges. Therefore, the positive electrode terminal and the negative electrode terminal can be eliminated, and an inexpensive sealed battery can be obtained.

更に、上記の密閉型電池であって、前記第１容器部材は、前記正極に直接接続されてなる密閉型電池とすると良い。   Furthermore, in the above sealed battery, the first container member may be a sealed battery that is directly connected to the positive electrode.

一般に、電池要素の正極及び負極は、正極集電板及び負極集電板を介して、端子や電池容器に電気的に接続される。
これに対し、本発明では、第１容器部材に正極が直接接続されている。従って、正極集電板を無くすことができ、安価な密閉型電池とすることができる。 Generally, the positive electrode and the negative electrode of a battery element are electrically connected to a terminal or a battery container via a positive electrode current collector plate and a negative electrode current collector plate.
On the other hand, in the present invention, the positive electrode is directly connected to the first container member. Therefore, the positive electrode current collector plate can be eliminated, and an inexpensive sealed battery can be obtained.

更に、上記の密閉型電池であって、前記第２容器部材は、前記負極に直接接続されてなる密閉型電池とすると良い。   Furthermore, in the above sealed battery, the second container member may be a sealed battery that is directly connected to the negative electrode.

前述したように、一般に、電池要素の正極及び負極は、正極集電板及び負極集電板を介して、端子や電池容器に電気的に接続される。
これに対し、本発明では、第２容器部材に負極が直接接続されている。従って、負極集電板を無くすことができ、安価な密閉型電池とすることができる。 As described above, in general, the positive electrode and the negative electrode of the battery element are electrically connected to the terminal and the battery container via the positive electrode current collector plate and the negative electrode current collector plate.
On the other hand, in the present invention, the negative electrode is directly connected to the second container member. Therefore, the negative electrode current collector plate can be eliminated, and an inexpensive sealed battery can be obtained.

更に、上記のいずれかに記載の密閉型電池であって、前記電池容器は角型をなす密閉型電池とすると良い。   Furthermore, in the sealed battery according to any one of the above, the battery container may be a rectangular sealed battery.

円筒型の密閉型電池では、２つの金属製の容器部材を樹脂部材を介して加締め固定することも可能である。しかし、角型の密閉型電池では、角部の加締めが困難なため、電池容器の加締めによる封着は難しい。
これに対し、本発明では、前述したように、熱溶着を利用して電池容器を封着しているので、角型電池であるにも拘わらず、封着が容易である。 In a cylindrical sealed battery, two metal container members can be fixed by caulking through resin members. However, in the case of a square sealed battery, it is difficult to crimp the corners, so that it is difficult to seal the battery container by crimping.
On the other hand, in the present invention, as described above, since the battery container is sealed using thermal welding, sealing is easy regardless of the rectangular battery.

以下、本発明の実施の形態を、図面を参照しつつ説明する。
（実施形態１）
図１に本実施形態に係る密閉型電池１００の斜視図を示す。また、図２にこの密閉型電池１００の分解斜視図を示す。また、図３に電池容器１１０の要部の部分断面図を示す。
この密閉型電池１００は、電気自動車やハイブリッドカーの電源として用いられる二次電池（例えばニッケル水素蓄電池）であり、略直方体形状の角型電池である。密閉型電池１００は、略直方体形状をなす電池容器１１０と、電池容器１１０の内部に収容された発電要素１４０と、同じく電池容器１１０の内部に固設された正極集電板１５０及び負極集電板１５１と、電池容器１１０に固設された安全弁１６０とから構成され、容器内部には電解液が注入されている（図１及び図２参照）。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment 1)
FIG. 1 is a perspective view of a sealed battery 100 according to this embodiment. FIG. 2 is an exploded perspective view of the sealed battery 100. FIG. 3 shows a partial cross-sectional view of the main part of the battery container 110.
The sealed battery 100 is a secondary battery (for example, a nickel metal hydride storage battery) used as a power source for an electric vehicle or a hybrid car, and is a rectangular battery having a substantially rectangular parallelepiped shape. The sealed battery 100 includes a battery container 110 having a substantially rectangular parallelepiped shape, a power generation element 140 housed in the battery container 110, and a positive current collector plate 150 and a negative current collector that are also fixed inside the battery container 110. It consists of a plate 151 and a safety valve 160 fixed to the battery container 110, and an electrolytic solution is injected into the container (see FIGS. 1 and 2).

電池容器１１０は、金属（ニッケルメッキ鋼板）からなる深い有底角筒状の第１容器部材１１１と、同じく金属（ニッケルメッキ鋼板）からなる浅い有底角筒状の第２容器部材１１６とからなる。第１容器部材１１１、第２容器部材１１６は共に、自身の内側面に樹脂層がなく、金属面が容器内部に露出している。従って、電池内部で生じた熱を効率よく外部へ放熱できる。第１容器部材１１１の図１及び図２中、上側の面には、安全弁１６０を固設するための孔１１１ｋが穿孔されている。なお、図３に示すように、第１，第２容器部材１１１，１１６の開口端部１１１ｔ，１１６ｔは、幾度も屈曲する迷路状の形態に加工されている。   The battery container 110 includes a deep bottomed rectangular tube-shaped first container member 111 made of metal (nickel-plated steel plate) and a shallow bottomed rectangular tube-shaped second container member 116 also made of metal (nickel-plated steel plate). Become. Both the first container member 111 and the second container member 116 have no resin layer on their inner side surfaces, and the metal surface is exposed inside the container. Therefore, the heat generated inside the battery can be efficiently radiated to the outside. 1 and 2 of the first container member 111, a hole 111k for fixing the safety valve 160 is formed in the upper surface. As shown in FIG. 3, the open end portions 111t and 116t of the first and second container members 111 and 116 are processed into a labyrinth shape that is bent several times.

また、電池容器１１０は、絶縁性の樹脂（ポリプロピレン）からなり、第１容器部材１１１の開口端部１１１ｔの全周にわたって液密に固設された略角リング状の第１樹脂部材１２１と、同じく絶縁性の樹脂（ポリプロピレン）からなり、第２容器部材１１６の開口端部１１６ｔの全周にわたって液密に固設された略角リング状の第２樹脂部材１２６とを有する。第１，第２樹脂部材１２１，１２６は、迷路状をなす第１，第２容器部材１１１，１１６の開口端部１１１ｔ，１１６ｔを取り巻くようにそれぞれ固設されて、それぞれ両者間のシール長さが長くされている。このため、容器内部の電解液が第１，第２容器部材１１１，１１６と第１，第２樹脂部材１２１，１２６との間を通って容器外部に漏れることをより確実に防止できる。また、電池容器１１０においては、第１樹脂部材１２１と第２樹脂部材１２６とは、第１容器部材１１１の開口端部１１１ｔと第２容器部材１１６の開口端部１１６ｔを対向された状態で、第１樹脂部材１２１の端面１２１ｔと第２樹脂部材１２６の端面１２６ｔとが熱溶着されている。これにより電池容器１１０が封止されている。なお、このように、第１容器部材１１１と第２容器部材１１６との間には、絶縁性の第１，第２樹脂部材１２１，１２６が介在するので、第１，第２容器部材１１１，１１６は互いに電気的に絶縁されている。   Further, the battery container 110 is made of an insulating resin (polypropylene), and has a substantially square ring-shaped first resin member 121 that is liquid-tightly fixed over the entire circumference of the opening end 111t of the first container member 111; Similarly, it has a substantially square ring-shaped second resin member 126 that is made of an insulating resin (polypropylene) and is liquid-tightly fixed over the entire circumference of the opening end portion 116 t of the second container member 116. The first and second resin members 121 and 126 are respectively fixed so as to surround the open end portions 111t and 116t of the first and second container members 111 and 116 having a labyrinth shape, and the seal lengths between the two are respectively provided. Has been long. For this reason, it can prevent more reliably that the electrolyte solution inside a container passes between the 1st, 2nd container members 111 and 116 and the 1st, 2nd resin members 121 and 126 and leaks to the exterior of a container. Further, in the battery container 110, the first resin member 121 and the second resin member 126 are in a state where the opening end portion 111t of the first container member 111 and the opening end portion 116t of the second container member 116 are opposed to each other. The end surface 121t of the first resin member 121 and the end surface 126t of the second resin member 126 are thermally welded. Thereby, the battery container 110 is sealed. In this manner, since the insulating first and second resin members 121 and 126 are interposed between the first container member 111 and the second container member 116, the first and second container members 111, 116 are electrically insulated from each other.

発電要素１４０は、複数の正極板と複数の負極板がセパレータを介して交互に積層されることにより構成されている。複数の正極板からなる正極は、正極集電板１５０と電気的に接続するために、第１容器部材１１１側に延出している。一方、複数の負極板からなる負極は、負極集電板１５１と電気的に接続するために、第２容器部材１１６側に延出している。なお、図２には、電池要素１４０を簡略化して模式的に描いてある。   The power generation element 140 is configured by alternately laminating a plurality of positive plates and a plurality of negative plates via separators. A positive electrode including a plurality of positive electrode plates extends toward the first container member 111 in order to be electrically connected to the positive electrode current collector plate 150. On the other hand, the negative electrode composed of a plurality of negative electrode plates extends toward the second container member 116 in order to be electrically connected to the negative electrode current collector plate 151. In FIG. 2, the battery element 140 is schematically illustrated in a simplified manner.

正極集電板１５０は、金属（ニッケルメッキ鋼板）からなり、一方の面に発電要素１４０の正極が溶接により電気的に接続されている。また、他方の面は、第１容器部材１１１の内側底面に電子ビーム溶接により固設されている（図１参照）。
負極集電板１５１は、金属（ニッケルメッキ鋼板）からなり、一方の面に発電要素１４０の負極が溶接により電気的に接続されている。また、他方の面は、第２容器部材１１６の内側底面に電子ビーム溶接により固設されている（図１参照）。 The positive electrode current collector plate 150 is made of metal (nickel plated steel plate), and the positive electrode of the power generation element 140 is electrically connected to one surface by welding. The other surface is fixed to the inner bottom surface of the first container member 111 by electron beam welding (see FIG. 1).
The negative electrode current collecting plate 151 is made of metal (nickel plated steel plate), and the negative electrode of the power generation element 140 is electrically connected to one surface by welding. The other surface is fixed to the inner bottom surface of the second container member 116 by electron beam welding (see FIG. 1).

このような密閉型電池１００は、公知の手法により発電要素１４０を製造し、これに正極集電板１５０と負極集電板１５１をそれぞれ溶接する。また一方で、公知のインサート成形により第１樹脂部材１２１が固設された第１容器部材１１１と、第２樹脂部材１２６が固設された第２容器部材１１６を用意する。そして、容器内部に発電要素１４０等を収容すると共に、第１容器部材１１１に固設された第１樹脂部材１２１の端部１２１ｔ、及び、第２容器部材１１６に固設された第２樹脂部材１２６の端部１２６ｔを熱板に当接させて溶融させた上で、互いに突き合わせて、第１樹脂部材１２１と第２樹脂部材１２６とを熱溶着させ、電池容器１１０を封着する。次に、第１容器部材１１１の外側底面及び第２容器部材１１６の外側底面の所定位置にそれぞれレーザビームを照射し、正極集電板１５０と第１容器部材１１１とを、負極集電板１５１と第２容器部材１１６とをそれぞれ溶接する。その後は、電解液を充填し、安全弁１６０等を取り付ければ、密閉型電池１００が完成する。   In such a sealed battery 100, the power generation element 140 is manufactured by a known method, and the positive electrode current collector plate 150 and the negative electrode current collector plate 151 are respectively welded thereto. On the other hand, a first container member 111 to which the first resin member 121 is fixed and a second container member 116 to which the second resin member 126 is fixed are prepared by known insert molding. The power generation element 140 and the like are accommodated inside the container, and the end 121t of the first resin member 121 fixed to the first container member 111 and the second resin member fixed to the second container member 116 After the end 126t of 126 is brought into contact with the hot plate and melted, the first resin member 121 and the second resin member 126 are thermally welded together, and the battery container 110 is sealed. Next, laser beams are irradiated to predetermined positions on the outer bottom surface of the first container member 111 and the outer bottom surface of the second container member 116, so that the positive electrode current collector plate 150 and the first container member 111 are connected to the negative electrode current collector plate 151. And the second container member 116 are welded to each other. After that, when the electrolyte solution is filled and the safety valve 160 or the like is attached, the sealed battery 100 is completed.

この密閉型電池１００では、電池容器１１０が、内側面に樹脂層がなく内側面が容器内部に露出する２つの金属製の容器部材（第１，第２容器部材１１１，１１６）によって構成されている。従って、樹脂のみで電池容器が構成される従来の密閉型電池や、内側面に樹脂層を有する金属・樹脂複合体で電池容器が構成される従来の密閉型電池に比して、熱伝導性に優れ、冷却性に優れる。その上、電池容器１１０は、第１容器部材１１１に液密に固設された第１樹脂部材１２１と第２容器部材１１６に液密に固設された第２樹脂部材１２６とが熱溶着されることにより封止されている。従って、金属のみで構成された従来の密閉型電池のように高精度のレーザ溶接を必要とせず、第１樹脂部材１２１と第２樹脂部材１２６との熱溶着によって電池容器１１０を封止できるため、安価に製造できる。とりわけ、本実施形態の密閉型電池１１０は、角型であるため、加締めにより電池容器１１０を封止するのは困難であるが、上記のように熱溶着を利用しているので、容易に電池容器１１０を封着できる。
更に、本実施形態では、第１容器部材１１１が正極集電板１５０を介して発電要素１４０の正極と電気的に接続し正の電荷を集電する。また、第２容器部材１１６も負極集電板１５１を介して発電要素１４０の負極と電気的に接続し負の電荷を集電する。このため、正極端子や負極端子が要らず、安価な密閉型電池１００とすることができる。 In this sealed battery 100, the battery container 110 is constituted by two metal container members (first and second container members 111, 116) whose inner surface has no resin layer and whose inner surface is exposed inside the container. Yes. Therefore, the thermal conductivity is higher than that of a conventional sealed battery in which the battery container is made of only resin or a conventional sealed battery in which the battery container is made of a metal / resin composite having a resin layer on the inner surface. Excellent cooling performance. In addition, in the battery container 110, the first resin member 121 fixed in a liquid-tight manner to the first container member 111 and the second resin member 126 fixed in a liquid-tight manner to the second container member 116 are thermally welded. Is sealed. Accordingly, the battery container 110 can be sealed by thermal welding of the first resin member 121 and the second resin member 126 without requiring high-precision laser welding unlike a conventional sealed battery made of only metal. Can be manufactured inexpensively. In particular, since the sealed battery 110 according to the present embodiment is a square shape, it is difficult to seal the battery container 110 by caulking, but it easily uses heat welding as described above. The battery container 110 can be sealed.
Furthermore, in the present embodiment, the first container member 111 is electrically connected to the positive electrode of the power generation element 140 via the positive electrode current collector plate 150 to collect positive charges. Further, the second container member 116 is also electrically connected to the negative electrode of the power generation element 140 via the negative electrode current collector plate 151 to collect negative charges. For this reason, a positive electrode terminal and a negative electrode terminal are not required, and an inexpensive sealed battery 100 can be obtained.

（実施形態２）
次いで、第２の実施形態について説明する。なお、上記実施形態１と同様な部分の説明は、省略または簡略化する。
図４に本実施形態２に係る密閉型電池２００の分解斜視図を示す。この密閉型電池２００には、上記実施形態１のような正極集電板１５０及び負極集電板１５１がなく、発電要素１４０の正極及び負極が電池容器１１０に直接溶接されている。即ち、発電要素１４０の正極が第１容器部材１１１の内側底部に直接溶接され、負極が第２容器部材１１６の内側底部に直接溶接されている。
このような密閉型電池２００は、正極電極板及び負極電極板が無いため、安価な電池とすることができる。
その他、上記実施形態１と同様な部分は、上記実施形態１と同様な作用、効果を奏する。 (Embodiment 2)
Next, a second embodiment will be described. Note that the description of the same parts as those in the first embodiment is omitted or simplified.
FIG. 4 shows an exploded perspective view of the sealed battery 200 according to the second embodiment. The sealed battery 200 does not have the positive electrode current collector plate 150 and the negative electrode current collector plate 151 as in the first embodiment, and the positive electrode and the negative electrode of the power generation element 140 are directly welded to the battery container 110. That is, the positive electrode of the power generation element 140 is directly welded to the inner bottom portion of the first container member 111, and the negative electrode is directly welded to the inner bottom portion of the second container member 116.
Since such a sealed battery 200 does not have a positive electrode plate and a negative electrode plate, it can be an inexpensive battery.
In addition, the same parts as those of the first embodiment have the same operations and effects as those of the first embodiment.

（実施形態３）
次いで、第３の実施形態について説明する。なお、上記実施形態１または２と同様な部分の説明は、省略または簡略化する。
図５に本実施形態３に係る密閉型電池のうち電池容器３１０の部分断面図を示す。本実施形態３の密閉型電池は、電池容器３１０の構造が上記実施形態１，２の電池容器１１０と異なる。それ以外は上記実施形態１と同様である。 (Embodiment 3)
Next, a third embodiment will be described. Note that description of the same parts as those in the first or second embodiment is omitted or simplified.
FIG. 5 shows a partial cross-sectional view of the battery case 310 in the sealed battery according to the third embodiment. The sealed battery of the third embodiment is different from the battery container 110 of the first and second embodiments in the structure of the battery container 310. The rest is the same as in the first embodiment.

この電池容器３１０は、金属からなる深い有底角筒状の第１容器部材３１１と、同じく金属からなる浅い有底角筒状の第２容器部材３１６とを有する。第１容器部材３１１、第２容器部材３１６は共に、自身の内側面に樹脂層がなく、金属面が容器内部に露出している。この第１，第２容器部材３１１，３１６の開口端部３１１ｔ，３１６ｔは、上記実施形態１，２の第１，第２容器部材１１１，１１６ように屈曲加工されておらず、真っ直ぐに延出している。   The battery container 310 includes a first container member 311 having a deep bottomed rectangular tube shape made of metal and a second container member 316 having a shallow bottomed rectangular tube shape made of metal. Both the first container member 311 and the second container member 316 have no resin layer on their inner surfaces, and the metal surface is exposed inside the container. The opening end portions 311t and 316t of the first and second container members 311 and 316 are not bent like the first and second container members 111 and 116 of the first and second embodiments, and extend straight. ing.

また、電池容器３１０は、樹脂からなり、第１容器部材３１１の開口端部３１１ｔの全周にわたって液密に固設された略角リング状の第１樹脂部材３２１と、同じく樹脂からなり、第２容器部材３１６の開口端部３１６ｔの全周にわたって液密に固設された略角リング状の第２樹脂部材３２６とを有する。第１，第２樹脂部材３２１，３２６は、第１，第２容器部材３１１，３１６の開口端部３１１ｔ，３１６ｔを取り巻くようにそれぞれ固設されている。   In addition, the battery container 310 is made of resin, and the first resin member 321 having a substantially square ring shape that is liquid-tightly fixed over the entire circumference of the opening end 311t of the first container member 311 is also made of resin. And a second resin member 326 having a substantially square ring shape that is liquid-tightly fixed over the entire circumference of the open end 316t of the two container member 316. The first and second resin members 321 and 326 are fixed so as to surround the open end portions 311t and 316t of the first and second container members 311 and 316, respectively.

詳細には、第１樹脂部材３２１のうち、第１容器部材３１１の開口端部３１１ｔの内側面に接する部分には、全周にわたって凹溝３２１ｍが形成されている。そして、この凹溝３２１ｍ内に、第１シールリング３２２が挿入されている。この第１シールリング３２２は、弾性変形して、第１容器部材３１１の開口端部３１１ｔの内側面に圧接すると共に、第１樹脂部材３２１の凹溝３２１ｍの底面に圧接している。同様に、第２樹脂部材３２６のうち、第２容器部材３１６の開口端部３１６ｔの内側面に接する部分には、全周にわたって凹溝３２６ｍが形成されている。そして、この凹溝３２６ｍ内に、第２シールリング３２７が挿入されている。この第２シールリング３２７も、弾性変形して、第２容器部材３１６の開口端部３１６ｔの内側面に圧接すると共に、第２樹脂部材３２１の凹溝３２１ｍの底面に圧接している。
このように、第１，第２容器部材３１１，３１６と第１，第２樹脂部材３２１，３２６との間に第１，第２シールリング３２２，３２７を配設することで、容器内部に注入された電解液が外部に漏れることをより確実に防止できる。
その他、上記実施形態１等と同様な部分は、上記実施形態１等と同様な作用、効果を奏する。 Specifically, a concave groove 321m is formed over the entire circumference of a portion of the first resin member 321 that is in contact with the inner surface of the opening end 311t of the first container member 311. A first seal ring 322 is inserted into the concave groove 321m. The first seal ring 322 is elastically deformed and pressed against the inner surface of the opening end 311t of the first container member 311 and is pressed against the bottom surface of the concave groove 321m of the first resin member 321. Similarly, in the portion of the second resin member 326 that is in contact with the inner surface of the open end 316t of the second container member 316, a concave groove 326m is formed over the entire circumference. A second seal ring 327 is inserted into the concave groove 326m. The second seal ring 327 is also elastically deformed so as to come into pressure contact with the inner surface of the open end 316t of the second container member 316 and also with the bottom surface of the concave groove 321m of the second resin member 321.
As described above, the first and second seal rings 322 and 327 are disposed between the first and second container members 311 and 316 and the first and second resin members 321 and 326 to inject the inside of the container. It is possible to prevent the leaked electrolyte from leaking to the outside more reliably.
In addition, the same parts as those of the first embodiment and the like have the same operations and effects as those of the first embodiment and the like.

以上において、本発明を実施形態に即して説明したが、本発明は上述の実施形態に限定されるものではなく、その要旨を逸脱しない範囲で、適宜変更して適用できることはいうまでもない。
例えば、上記実施形態では、２つの有底筒状の容器部材１１１，１１６等にそれぞれ樹脂部材１２１，１２６等を設け、２つの樹脂部材１２１，１２６等を突き合わせた状態で熱溶着した例を示した。
しかし、一方の容器部材を有底筒状、他方の容器部材を板状（蓋）としてそれぞれに樹脂部材を設け、２つの樹脂部材同士を熱溶着する形態とすることもできる。
また、開口の大きさの異なる２つの有底筒状の容器部材を用意して、これらに樹脂部材を設け、開口の大きい容器部材の内側に開口の小さい容器部材の一部を挿入した状態で、２つの樹脂部材の側面同士を熱溶着する形態とすることもできる。 In the above, the present invention has been described with reference to the embodiment. However, the present invention is not limited to the above-described embodiment, and it is needless to say that the present invention can be appropriately modified and applied without departing from the gist thereof. .
For example, in the above-described embodiment, an example is shown in which resin members 121 and 126 are provided on two bottomed cylindrical container members 111 and 116, respectively, and heat-welded in a state where the two resin members 121 and 126 are abutted. It was.
However, one container member may have a bottomed cylindrical shape, and the other container member may have a plate shape (lid), and a resin member may be provided on each of them to thermally weld the two resin members.
Also, two bottomed cylindrical container members with different opening sizes are prepared, resin members are provided on them, and a part of the container member with a small opening is inserted inside the container member with a large opening. It can also be set as the form which heat-welds the side surfaces of two resin members.

実施形態１に係る密閉型電池の斜視図である。1 is a perspective view of a sealed battery according to Embodiment 1. FIG. 実施形態１に係る密閉型電池の一部の分解斜視図である。2 is an exploded perspective view of a part of the sealed battery according to Embodiment 1. FIG. 実施形態１に係る密閉型電池のうち、電池容器の部分断面図である。FIG. 3 is a partial cross-sectional view of a battery container in the sealed battery according to the first embodiment. 実施形態２に係る密閉型電池の一部の部分斜視図である。4 is a partial perspective view of a part of a sealed battery according to Embodiment 2. FIG. 実施形態３に係る密閉型電池のうち、電池容器の部分断面図である。FIG. 6 is a partial cross-sectional view of a battery container in a sealed battery according to Embodiment 3.

符号の説明Explanation of symbols

１００，２００ 密閉型電池
１１０，３１０ 電池容器
１１１，３１１ 第１容器部材
１１６，３１６ 第２容器部材
１２１，３２１ 第１樹脂部材
１２６，３２６ 第２樹脂部材
１５０ 正極集電板
１５１ 負極集電板
１４０ 発電要素 100, 200 Sealed battery 110, 310 Battery container 111, 311 First container member 116, 316 Second container member 121, 321 First resin member 126, 326 Second resin member 150 Positive electrode collector plate 151 Negative electrode collector plate 140 Power generation element

Claims (5)

正極及び負極を含む発電要素と、
前記発電要素を収容する電池容器と、
を備える密閉型電池であって、
前記電池容器は、
金属からなり、自身の内側面が容器内部に露出する第１容器部材と、
金属からなり、自身の内側面が容器内部に露出する第２容器部材と、
樹脂からなり、前記第１容器部材に液密に固設された第１樹脂部材と、
樹脂からなり、前記第２容器部材に液密に固設された第２樹脂部材と、を有し、
前記第１樹脂部材と前記第２樹脂部材とが熱溶着されて、前記電池容器が封止されてなる
密閉型電池。 A power generation element including a positive electrode and a negative electrode;
A battery container containing the power generation element;
A sealed battery comprising:
The battery container is
A first container member made of metal and having an inner surface exposed inside the container;
A second container member made of metal and having an inner surface exposed inside the container;
A first resin member made of resin and fixed liquid-tightly to the first container member;
A second resin member made of resin and fixed liquid-tightly to the second container member,
A sealed battery in which the first resin member and the second resin member are thermally welded to seal the battery container. 請求項１に記載の密閉型電池であって、
前記第１容器部材と前記第２容器部材とは電気的に絶縁されており、
前記第１容器部材は、前記正極に電気的に接続して正の電荷を集電してなり、
前記第２容器部材は、前記負極に電気的に接続して負の電荷を集電してなる
密閉型電池。 The sealed battery according to claim 1,
The first container member and the second container member are electrically insulated,
The first container member is electrically connected to the positive electrode and collects positive charges,
The second container member is a sealed battery that is electrically connected to the negative electrode and collects negative charges. 請求項２に記載の密閉型電池であって、
前記第１容器部材は、前記正極に直接接続されてなる
密閉型電池。 The sealed battery according to claim 2,
The first container member is a sealed battery directly connected to the positive electrode. 請求項２に記載の密閉型電池であって、
前記第２容器部材は、前記負極に直接接続されてなる
密閉型電池。 The sealed battery according to claim 2,
The second container member is a sealed battery directly connected to the negative electrode. 請求項１〜請求項４のいずれか一項に記載の密閉型電池であって、
前記電池容器は角型をなす
密閉型電池。 A sealed battery according to any one of claims 1 to 4,
The battery container is a rectangular sealed battery.
JP2004218557A 2004-07-27 2004-07-27 Sealed battery Withdrawn JP2006040694A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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JP2010536128A (en) * 2007-08-06 2010-11-25 ダイムラー・アクチェンゲゼルシャフト Individual cell for battery and manufacturing method thereof
JP2010536129A (en) * 2007-08-06 2010-11-25 ダイムラー・アクチェンゲゼルシャフト Individual cells for batteries for electrical connection
JP2014007055A (en) * 2012-06-25 2014-01-16 Yazaki Corp Battery and battery pack
JP2017107814A (en) * 2015-12-11 2017-06-15 株式会社Ｇｓユアサ Electricity storage element and method of manufacturing the same
KR101769753B1 (en) 2011-08-25 2017-08-21 한온시스템 주식회사 Battery cooler for vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010536128A (en) * 2007-08-06 2010-11-25 ダイムラー・アクチェンゲゼルシャフト Individual cell for battery and manufacturing method thereof
JP2010536129A (en) * 2007-08-06 2010-11-25 ダイムラー・アクチェンゲゼルシャフト Individual cells for batteries for electrical connection
US8765288B2 (en) 2007-08-06 2014-07-01 Daimler Ag Individual cell for a battery and method for the production thereof
US9012069B2 (en) 2007-08-06 2015-04-21 Daimler Ag Single cell for a battery for making electrical contact
KR101769753B1 (en) 2011-08-25 2017-08-21 한온시스템 주식회사 Battery cooler for vehicle
JP2014007055A (en) * 2012-06-25 2014-01-16 Yazaki Corp Battery and battery pack
JP2017107814A (en) * 2015-12-11 2017-06-15 株式会社Ｇｓユアサ Electricity storage element and method of manufacturing the same

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