JP2014063686A - Battery - Google Patents
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- JP2014063686A JP2014063686A JP2012209196A JP2012209196A JP2014063686A JP 2014063686 A JP2014063686 A JP 2014063686A JP 2012209196 A JP2012209196 A JP 2012209196A JP 2012209196 A JP2012209196 A JP 2012209196A JP 2014063686 A JP2014063686 A JP 2014063686A
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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
Abstract
Description
本発明は、電池ケースの外側面に絶縁フィルムが設けられる電池に関するものである。 The present invention relates to a battery in which an insulating film is provided on an outer surface of a battery case.
従来、電池の電池ケースの外側面には、絶縁対策のために絶縁フィルムが設けられている。具体的には、特許文献１に示すように、絶縁フィルムを例えば熱収縮させて電池ケースを被覆した場合、絶縁フィルムが電池ケースの上面又は底面の一部を覆うことになる。 Conventionally, an insulating film is provided on the outer surface of a battery case of a battery as a countermeasure against insulation. Specifically, as shown in Patent Document 1, when an insulating film is thermally contracted to cover a battery case, the insulating film covers a part of the upper surface or the bottom surface of the battery case.
しかしながら、このように絶縁フィルムが電池ケースの上面又は底面の一部を覆った場合、電池ケースの外側周面の端部を覆う絶縁フィルムが当該端部から離間して隙間が生じてしまう。このため、複数の電池の近接配置が阻害されてしまう。 However, when the insulating film covers a part of the upper surface or the bottom surface of the battery case in this way, the insulating film that covers the end portion of the outer peripheral surface of the battery case is separated from the end portion and a gap is generated. For this reason, the close arrangement of a plurality of batteries is hindered.
そこで本発明は、電池ケースの外側周面の端部において、絶縁フィルムと電池ケースとの間に隙間が生じないようにすることをその主たる所期課題とするものである。 Therefore, the main object of the present invention is to prevent a gap from being generated between the insulating film and the battery case at the end of the outer peripheral surface of the battery case.
すなわち本発明に係る電池は、電池ケースの外側周面を被覆して設けられた絶縁フィルムを有しており、前記絶縁フィルムが、前記電池ケースの外側周面以外の面を覆うことなく、且つ、外側周面からはみ出ていることを特徴とする。 That is, the battery according to the present invention has an insulating film provided so as to cover the outer peripheral surface of the battery case, and the insulating film does not cover a surface other than the outer peripheral surface of the battery case, and , And protruding from the outer peripheral surface.
また、前記絶縁フィルムにおいて前記電池ケースの上面から延出した部分に接着部が設けられていることが望ましい。 Moreover, it is desirable that an adhesive portion is provided on a portion of the insulating film that extends from the upper surface of the battery case.
前記絶縁フィルムにおいて前記電池ケースの上面から延出した部分に接着部が設けられていないことが望ましい。 In the insulating film, it is desirable that an adhesive portion is not provided at a portion extending from the upper surface of the battery case.
前記電池ケースの外側周面からのはみ出し形状が、側面視において非対称形状であることが望ましい。 It is desirable that the protruding shape from the outer peripheral surface of the battery case is an asymmetric shape in a side view.
このように構成した本発明によれば、絶縁フィルムが電池ケースの外側周面以外の面を覆わない構成としているので、絶縁フィルムを電池ケースの外側周面の端部に密着させることができ、複数の電池を近接配置し易くできる。また、絶縁フィルムが電池ケースの外側周面からはみ出ているので、互いに隣接する電池間の絶縁距離を長くすることができる。 According to the present invention configured as described above, since the insulating film is configured not to cover the surface other than the outer peripheral surface of the battery case, the insulating film can be adhered to the end portion of the outer peripheral surface of the battery case, A plurality of batteries can be easily arranged close to each other. Moreover, since the insulating film protrudes from the outer peripheral surface of the battery case, the insulation distance between adjacent batteries can be increased.
以下に本発明に係る電池の一実施形態について図面を参照して説明する。 Hereinafter, an embodiment of a battery according to the present invention will be described with reference to the drawings.
本実施形態の電池１は、例えば自動車に搭載される蓄電装置を構成するリチウムイオン二次電池である。なお、蓄電装置は、１つの電池１を用いて構成されたものであっても良いし、複数の電池を組み合わせて構成されたものであっても良い。 The battery 1 of the present embodiment is a lithium ion secondary battery that constitutes a power storage device mounted on an automobile, for example. The power storage device may be configured using one battery 1 or may be configured by combining a plurality of batteries.
具体的にこの電池１は、図１及び図２に示すように、内部に発電要素（不図示）が収容された電池ケース２と、当該電池ケース２の外側面に配置される絶縁フィルム３とを有する。なお、図１は、絶縁フィルム３を取り外した状態の電池１を示している。 Specifically, as shown in FIGS. 1 and 2, the battery 1 includes a battery case 2 in which a power generation element (not shown) is accommodated, and an insulating film 3 disposed on the outer surface of the battery case 2. Have FIG. 1 shows the battery 1 with the insulating film 3 removed.
電池ケース２は、概略直方体形状をなすものであり、平面視において長手方向及び短手方向を有する扁平形状をなすものである。そして、この電池ケース２は、正極端子Ｔ１及び負極端子Ｔ２が設けられた端子設置面である上面２ａと、この上面２ａの四辺それぞれに連続して設けられた４つの側面２ｂ〜２ｅと、これら４つの側面２ｂ〜２ｅの下端に連続する下面２ｆとを有する。なお、この下面２ｆは、前記端子設置面２ａに対向する面である。 The battery case 2 has a substantially rectangular parallelepiped shape, and has a flat shape having a longitudinal direction and a short direction in plan view. And this battery case 2 has the upper surface 2a which is a terminal installation surface in which the positive electrode terminal T1 and the negative electrode terminal T2 were provided, four side surfaces 2b-2e provided continuously on each of the four sides of the upper surface 2a, and these It has a lower surface 2f continuous to the lower ends of the four side surfaces 2b to 2e. The lower surface 2f is a surface facing the terminal installation surface 2a.
なお、この電池ケース２の外側周面である４つの側面２ｂ〜２ｅはそれぞれ、図１及び図２に示すように、平面部２１と、当該平面部２１の下端部に連続して形成されて前記平面部２１から湾曲又は傾斜して形成されたコーナー部２２とを有する。このコーナー部２２は、各側面２ｂ〜２ｅと下面２ｆとの間にそれぞれ形成されている。 The four side surfaces 2b to 2e, which are the outer peripheral surfaces of the battery case 2, are respectively formed continuously from the flat surface portion 21 and the lower end portion of the flat surface portion 21, as shown in FIGS. A corner portion 22 that is curved or inclined from the plane portion 21. The corner portion 22 is formed between each of the side surfaces 2b to 2e and the lower surface 2f.
絶縁フィルム３は、絶縁性及び難燃性を有する樹脂フィルムであり、電池ケース２の外側周面である４つの側面２ｂ〜２ｅに巻回されて被覆する１枚のシート状をなすものである。 The insulating film 3 is a resin film having insulating properties and flame retardancy, and forms a single sheet wound around and coated on the four side surfaces 2b to 2e that are the outer peripheral surfaces of the battery case 2. .
しかして本実施形態の電池１においては、特に図３に示すように、電池ケース２の外側周面２ｂ〜２ｅに設けられた絶縁フィルム３が、電池ケース２の外側周面２ｂ〜２ｅ以外の面を覆うことなく、且つ、外側周面２ｂ〜２ｅから上側又は下側にはみ出ている。なお、図３において、電池ケース２内部の発電要素は省略している。 Therefore, in the battery 1 of the present embodiment, as shown in FIG. 3 in particular, the insulating film 3 provided on the outer peripheral surfaces 2b to 2e of the battery case 2 is other than the outer peripheral surfaces 2b to 2e of the battery case 2. It protrudes from the outer peripheral surfaces 2b to 2e to the upper side or the lower side without covering the surface. In FIG. 3, power generation elements inside the battery case 2 are omitted.
具体的には、絶縁フィルム３の上端部が、電池ケース２の上面２ａを覆うことなく、且つ、外側周面である４つの側面２ｂ〜２ｅそれぞれから上側にはみ出しており、電池ケース２の上面２ａよりも上側に延出した延出部３ｘを有している。一方、絶縁フィルム３の下端部は、４つの側面２ｂ〜２ｅにおける平面部２１及びコーナー部２２の境界又はその下側に位置しており、平面部２１と平行な方向を向いている。つまり、絶縁フィルム３における各側面２ｂ〜２ｅに設けられた部分それぞれが、断面視において、各側面２ｂ〜２ｅの平面部２１と平行な方向な直線形状をなしている。 Specifically, the upper end portion of the insulating film 3 does not cover the upper surface 2a of the battery case 2 and protrudes upward from each of the four side surfaces 2b to 2e which are outer peripheral surfaces. It has the extension part 3x extended above 2a. On the other hand, the lower end portion of the insulating film 3 is located at or below the boundary between the plane portion 21 and the corner portion 22 in the four side surfaces 2b to 2e, and faces the direction parallel to the plane portion 21. That is, each part provided in each side surface 2b-2e in the insulating film 3 has comprised the linear shape in the direction parallel to the plane part 21 of each side surface 2b-2e in sectional view.
さらに、絶縁フィルム３は、前記電池ケース２の平面部２１に接着剤により接着されている。このとき、絶縁フィルム３において電池ケース２の上面２ａよりも上側に延出した延出部３ｘに、接着剤による接着部を設ける構成としても良いし、前記延出部３ｘに接着部を設けない構成としても良い。 Further, the insulating film 3 is bonded to the flat portion 21 of the battery case 2 with an adhesive. At this time, it is good also as a structure which provides the adhesion part by an adhesive agent in the extension part 3x extended above the upper surface 2a of the battery case 2 in the insulating film 3, and does not provide an adhesion part in the said extension part 3x. It is good also as a structure.
前記接着部を設けた場合には、外部に露出している接着部に周囲の異物が付着されるので、絶縁フィルム３及び電池ケース２の間、又は互いに隣接する電池１の間に異物が侵入しにくくなる。これにより、絶縁フィルム３の破損を防止することができ、隣接する電池１間の短絡を防止することができる。また、絶縁フィルム３の外面に異物がある場合、電池組み付け時に、電池１とその周囲の機器（隣接する電池含む）の間に異物が挟み込まれ、それらの間隔が不必要に広がってしまうが、前記接着部を設けることにより、間隔が無駄に広がることを防止できる。 In the case where the adhesive portion is provided, the surrounding foreign matter adheres to the adhesive portion exposed to the outside, so that the foreign matter enters between the insulating film 3 and the battery case 2 or between the adjacent batteries 1. It becomes difficult to do. Thereby, damage to the insulating film 3 can be prevented, and a short circuit between the adjacent batteries 1 can be prevented. In addition, when there is a foreign matter on the outer surface of the insulating film 3, when the battery is assembled, the foreign matter is sandwiched between the battery 1 and surrounding devices (including adjacent batteries), and the interval between them is unnecessarily widened. By providing the adhesive portion, it is possible to prevent the interval from being unnecessarily widened.
一方、前記接着部を設けない場合には、上面２ａから延出した絶縁フィルム３に異物が付着することを防止できる。これにより、正極端子Ｔ１及び負極端子Ｔ２が存在する上面２ａに異物が滞留することを防ぐことができる。また、上面２ａから延出した絶縁フィルム３に異物が付着して、絶縁フィルム３の延出部３ｘ部が折れてしまうことを防止できる。 On the other hand, when the adhesive portion is not provided, it is possible to prevent foreign matters from adhering to the insulating film 3 extending from the upper surface 2a. Thereby, it can prevent that a foreign material stays in the upper surface 2a in which the positive electrode terminal T1 and the negative electrode terminal T2 exist. Moreover, it can prevent that a foreign material adheres to the insulating film 3 extended from the upper surface 2a, and the extension part 3x part of the insulating film 3 breaks.
このように構成した本実施形態に係る電池１によれば、絶縁フィルム３が電池ケース２の外側周面２ｂ〜２ｅ以外の面（上面２ａ）を覆わない構成としているので、絶縁フィルム３を電池ケース２の外側周面２ｂ〜２ｅの端部に密着させることができ、複数の電池１を近接配置し易くできる。また、絶縁フィルム３が電池ケース２の外側周面２ｂ〜２ｅからはみ出した延出部３ｘを有しているので、互いに隣接する電池１間の絶縁距離を長くすることができる。 According to the battery 1 according to the present embodiment configured as described above, since the insulating film 3 does not cover the surface (the upper surface 2a) other than the outer peripheral surfaces 2b to 2e of the battery case 2, the insulating film 3 is used as the battery. The outer peripheral surfaces 2b to 2e of the case 2 can be brought into close contact with each other, and the plurality of batteries 1 can be easily arranged close to each other. Moreover, since the insulating film 3 has the extension part 3x which protruded from the outer peripheral surface 2b-2e of the battery case 2, the insulation distance between the mutually adjacent batteries 1 can be lengthened.
さらに、絶縁フィルム３が、電池ケース２の平面部２１に接着されているので、絶縁フィルム３と電池ケース２とを一層密着させることができ、電池ケース２と絶縁フィルム３外部との間の熱伝導効率を向上させることができる。これにより、電池１の冷却又は加熱が容易となる。 Furthermore, since the insulating film 3 is bonded to the flat portion 21 of the battery case 2, the insulating film 3 and the battery case 2 can be further adhered to each other, and heat between the battery case 2 and the outside of the insulating film 3 can be obtained. The conduction efficiency can be improved. Thereby, cooling or heating of the battery 1 becomes easy.
なお、本発明は前記実施形態に限られるものではない。 The present invention is not limited to the above embodiment.
例えば、絶縁フィルム３の外側周面２ｂ〜２ｅからのはみ出し形状を、側面視において非対称形状としても良い。つまり、延出部３ｘの側面視形状を非対称形状としても良い。これならば、電池１の正極端子Ｔ１及び負極端子Ｔ２が視認しやすくなる。また、隣接する電池の端子同士を接続するバスバーを付けやすくすることもできる。 For example, the protruding shape from the outer peripheral surfaces 2b to 2e of the insulating film 3 may be an asymmetric shape in a side view. That is, it is good also considering the side view shape of the extension part 3x as an asymmetrical shape. If it is this, the positive electrode terminal T1 and the negative electrode terminal T2 of the battery 1 will become easy to visually recognize. It is also possible to easily attach a bus bar that connects terminals of adjacent batteries.
具体的には、図４に示すように、外側周面を短手方向から見た側面視において、つまり、正極端子Ｔ１及び負極端子Ｔ２の両方が左右に見える側面視において、絶縁フィルム３のはみ出し形状が非対称形状となるように構成することが考えられる。図４においては、前記側面視において、中央部から正極端子Ｔ１側のはみ出し高さが中央部から負極端子Ｔ２側のはみ出し高さよりも高い場合を示している。バスバーによって隣接する電池１の正極端子Ｔ１及び負極端子Ｔ２を接続する場合には、当該バスバーによって接続される端子側において絶縁フィルム３のはみ出し高さが低くなるように構成する。これにより、端子Ｔ１、Ｔ２にバスバーを付けやすくすることができる。なお、側面視における非対称形状は、図４に限られず、絶縁フィルム３のはみ出し形状によって、正極端子Ｔ１及び負極端子Ｔ２の位置が判別可能であれば、種々の形状とすることができる。 Specifically, as shown in FIG. 4, the insulating film 3 protrudes in a side view in which the outer peripheral surface is viewed from the short side direction, that is, in a side view in which both the positive electrode terminal T1 and the negative electrode terminal T2 are visible to the left and right. It can be considered that the shape is an asymmetric shape. FIG. 4 shows a case where the protruding height from the central portion to the positive electrode terminal T1 side is higher than the protruding height from the central portion to the negative electrode terminal T2 side in the side view. When the positive electrode terminal T1 and the negative electrode terminal T2 of the adjacent battery 1 are connected by the bus bar, the protruding height of the insulating film 3 is configured to be low on the terminal side connected by the bus bar. Thereby, it is possible to easily attach the bus bar to the terminals T1 and T2. Note that the asymmetric shape in the side view is not limited to FIG. 4, and various shapes can be used as long as the positions of the positive electrode terminal T <b> 1 and the negative electrode terminal T <b> 2 can be discriminated by the protruding shape of the insulating film 3.
また、図５に示すように、外側周面を長手方向から見た側面視において、つまり、正極端子Ｔ１及び負極端子Ｔ２が重なって見える側面視において、絶縁フィルム３のはみ出し形状が非対称形状となるように構成することが考えられる。図５においては、前記側面視において、中央部から一方側（側面２ｃ側）のはみ出し高さが中央部から他方側（側面２ｂ側）のはみ出し高さよりも低い場合を示している。バスバーによって隣接する電池１の正極端子Ｔ１及び負極端子Ｔ２を接続する場合には、当該バスバーが延出する側において、絶縁フィルム３のはみ出し高さが低くなるように構成する。これにより、端子Ｔ１、Ｔ２にバスバーを付けやすくすることができる。なお、側面視における非対称形状は、図５に限られず、絶縁フィルム３のはみ出し形状によって、正極端子Ｔ１及び負極端子Ｔ２の位置が判別可能であれば、種々の形状とすることができる。 Further, as shown in FIG. 5, the protruding shape of the insulating film 3 is asymmetrical in a side view when the outer peripheral surface is viewed from the longitudinal direction, that is, in a side view where the positive electrode terminal T1 and the negative electrode terminal T2 appear to overlap each other. It is conceivable to configure as follows. FIG. 5 shows a case where the protruding height from the central portion to the one side (side surface 2c side) is lower than the protruding height from the central portion to the other side (side surface 2b side) in the side view. When the positive terminal T1 and the negative terminal T2 of the adjacent batteries 1 are connected by the bus bar, the protruding height of the insulating film 3 is configured to be low on the side where the bus bar extends. Thereby, it is possible to easily attach the bus bar to the terminals T1 and T2. In addition, the asymmetric shape in the side view is not limited to FIG. 5, and can be various shapes as long as the positions of the positive electrode terminal T <b> 1 and the negative electrode terminal T <b> 2 can be discriminated by the protruding shape of the insulating film 3.
また、１枚の絶縁フィルム３を電池ケース２に巻回する構成において、絶縁フィルム３のはみ出し形状を非対称形状する構成の他に、図６に示すように、複数枚の絶縁フィルム３（図６では、２枚の絶縁フィルム３ａ、３ｂ）を電池ケース２の外側周面２ｂ〜２ｅに貼り付ける構成において、各絶縁フィルム３のはみ出した部分の高さを互いに異ならせる構成としても良い。これによっても正極端子Ｔ１及び負極端子Ｔ２の位置が判別可能となる。 Further, in the configuration in which the single insulating film 3 is wound around the battery case 2, in addition to the configuration in which the protruding shape of the insulating film 3 is asymmetrical, a plurality of insulating films 3 (see FIG. 6) are provided. In the configuration in which the two insulating films 3a and 3b) are attached to the outer peripheral surfaces 2b to 2e of the battery case 2, the protruding portions of the insulating films 3 may have different heights. This also makes it possible to determine the positions of the positive terminal T1 and the negative terminal T2.
さらに、前記実施形態では、絶縁フィルム３の上端部が、電池ケース２の上面２ａを覆うことなく上面２ａよりも上側にはみ出した構成であったが、絶縁フィルム３の下端部が、電池ケース２の下面２ｆを覆うことなく下面２ｆよりも下側にはみ出した構成としても良い。 Furthermore, in the said embodiment, although the upper end part of the insulating film 3 was the structure protruded above the upper surface 2a, without covering the upper surface 2a of the battery case 2, the lower end part of the insulating film 3 is battery case 2 It is good also as a structure which protruded below the lower surface 2f, without covering the lower surface 2f.
その上、前記実施形態では、角形電池について説明したが、円形電池に適用可能であることは言うまでも無い。また、電池を設置する向きについても、端子が上方に位置するような向きには限定されない。さらに、本発明は、キャパシタやコンデンサ等の蓄電素子にも適用可能である。 In addition, in the above-described embodiment, the rectangular battery has been described, but it is needless to say that the present invention can be applied to a circular battery. Further, the direction in which the battery is installed is not limited to the direction in which the terminal is positioned above. Furthermore, the present invention can also be applied to power storage elements such as capacitors and capacitors.
その他、本発明は前記実施形態に限られず、その趣旨を逸脱しない範囲で種々の変形が可能である。 In addition, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
１・・・電池
２・・・電池ケース
２ａ・・・上面
２ｂ〜２ｅ・・・外側周面
２ｆ・・・下面
３・・・絶縁フィルム
DESCRIPTION OF SYMBOLS 1 ... Battery 2 ... Battery case 2a ... Upper surface 2b-2e ... Outer peripheral surface 2f ... Lower surface 3 ... Insulating film
Claims (4)
前記絶縁フィルムが、前記電池ケースの外側周面以外の面を覆うことなく、且つ、外側周面からはみ出ている電池。 It has an insulating film provided to cover the outer peripheral surface of the battery case,
The battery in which the insulating film protrudes from the outer peripheral surface without covering a surface other than the outer peripheral surface of the battery case.
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| JP2012209196A JP5910884B2 (en) | 2012-09-24 | 2012-09-24 | battery |
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| JP2012209196A JP5910884B2 (en) | 2012-09-24 | 2012-09-24 | battery |
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| JP2016070095A Division JP6202127B2 (en) | 2016-03-31 | 2016-03-31 | battery |
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| JP2014063686A true JP2014063686A (en) | 2014-04-10 |
| JP5910884B2 JP5910884B2 (en) | 2016-04-27 |
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| JP2012209196A Active JP5910884B2 (en) | 2012-09-24 | 2012-09-24 | battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015056359A (en) * | 2013-09-13 | 2015-03-23 | 日立オートモティブシステムズ株式会社 | Square secondary battery |
| WO2017110037A1 (en) * | 2015-12-22 | 2017-06-29 | 三洋電機株式会社 | Battery pack |
| EP4187685A1 (en) | 2021-11-30 | 2023-05-31 | Prime Planet Energy & Solutions, Inc. | Battery cell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS4112513Y1 (en) * | 1964-07-10 | 1966-06-13 | ||
| JPS58186558U (en) * | 1982-06-04 | 1983-12-12 | 堀家 美則 | dry battery packaging |
| JP2001313009A (en) * | 2000-02-24 | 2001-11-09 | Sanyo Electric Co Ltd | Sealed battery with convection promoting film |
| JP2010067524A (en) * | 2008-09-11 | 2010-03-25 | Inoac Corp | Container for power storage device |
| JP2010527103A (en) * | 2007-05-10 | 2010-08-05 | ウーペーエム ラフラタク オイ | Battery label |
| JP2011222198A (en) * | 2010-04-06 | 2011-11-04 | Sanyo Electric Co Ltd | Method of manufacturing battery having surface covered with heat-shrinkable film |
| JP2014063685A (en) * | 2012-09-24 | 2014-04-10 | Gs Yuasa Corp | Battery and electricity storage device |
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- 2012-09-24 JP JP2012209196A patent/JP5910884B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4112513Y1 (en) * | 1964-07-10 | 1966-06-13 | ||
| JPS58186558U (en) * | 1982-06-04 | 1983-12-12 | 堀家 美則 | dry battery packaging |
| JP2001313009A (en) * | 2000-02-24 | 2001-11-09 | Sanyo Electric Co Ltd | Sealed battery with convection promoting film |
| JP2010527103A (en) * | 2007-05-10 | 2010-08-05 | ウーペーエム ラフラタク オイ | Battery label |
| JP2010067524A (en) * | 2008-09-11 | 2010-03-25 | Inoac Corp | Container for power storage device |
| JP2011222198A (en) * | 2010-04-06 | 2011-11-04 | Sanyo Electric Co Ltd | Method of manufacturing battery having surface covered with heat-shrinkable film |
| JP2014063685A (en) * | 2012-09-24 | 2014-04-10 | Gs Yuasa Corp | Battery and electricity storage device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015056359A (en) * | 2013-09-13 | 2015-03-23 | 日立オートモティブシステムズ株式会社 | Square secondary battery |
| WO2017110037A1 (en) * | 2015-12-22 | 2017-06-29 | 三洋電機株式会社 | Battery pack |
| EP4187685A1 (en) | 2021-11-30 | 2023-05-31 | Prime Planet Energy & Solutions, Inc. | Battery cell |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5910884B2 (en) | 2016-04-27 |
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