JP2003323883A - Insulating sheet and electrode insulating structure of sheet battery - Google Patents
Insulating sheet and electrode insulating structure of sheet batteryInfo
- Publication number
- JP2003323883A JP2003323883A JP2002131508A JP2002131508A JP2003323883A JP 2003323883 A JP2003323883 A JP 2003323883A JP 2002131508 A JP2002131508 A JP 2002131508A JP 2002131508 A JP2002131508 A JP 2002131508A JP 2003323883 A JP2003323883 A JP 2003323883A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- battery
- electrodes
- thin plate
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 15
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 18
- 229910001416 lithium ion Inorganic materials 0.000 description 18
- 235000010724 Wisteria floribunda Nutrition 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、組電池を構成する
板状電池の薄板状電極の絶縁に用いられる絶縁シート、
および板状電池の電極絶縁構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulating sheet used for insulating a thin plate electrode of a plate-shaped battery constituting an assembled battery,
And an electrode insulating structure for a plate-shaped battery.
【０００２】[0002]
【従来の技術】近年、環境問題などから、ハイブリッド
自動車や電気自動車、夜間電力を有効活用するための電
力のロードレベリングなどが着目されている。そこで、
これらに用いるバッテリとして、各種二次電池が開発さ
れている。2. Description of the Related Art In recent years, attention has been paid to hybrid vehicles, electric vehicles, load leveling of electric power for effectively utilizing night electric power, and the like due to environmental problems. Therefore,
Various secondary batteries have been developed as batteries used for these.
【０００３】リチウムイオン二次電池はエネルギー密度
が高く、かつ密閉型でメンテナンスフリーであるので、
ハイブリッド自動車や電気自動車のバッテリとしての用
途に適しているが、大型のものは実用化されていない。
一方、金属層の両面を樹脂層で被覆してなるラミネート
シートを外装材とし、これに発電要素を封入した、板状
のリチウムイオン二次電池が開発されている。このリチ
ウムイオン二次電池は、単体（単電池）では出力が小さ
いが、これらを多数個直列に接続して組電池を構成し、
前記の用途に用いるバッテリとすることが考えられてい
る。Since the lithium ion secondary battery has a high energy density, is of a sealed type and is maintenance-free,
It is suitable for use as a battery in hybrid vehicles and electric vehicles, but large ones have not been put to practical use.
On the other hand, a plate-shaped lithium ion secondary battery has been developed in which a laminate sheet formed by coating both surfaces of a metal layer with a resin layer is used as an exterior material and a power generation element is enclosed in the exterior sheet. This lithium-ion secondary battery has a small output as a single unit (single battery), but a large number of these are connected in series to form an assembled battery,
It is considered to be a battery used for the above purpose.
【０００４】しかし、例えば図４に示すように、組電池
を構成する単電池２が、前記板状のリチウムイオン電池
のような薄い板状電池である場合には、これら単電池２
が互いに密接して配設されるため、近接する単電池２の
間で、接続すべきでない薄板状電極どうしが接触して短
絡し、単電池２の破損を招く可能性がある。特に、板状
電池を互いに接続してハイブリッド自動車や電気自動車
などに使われるバッテリを構成する場合には、バッテリ
が振動、衝撃などを受けるため、近接する単電池の間
で、接続すべきでない薄板状電極を確実に絶縁しておく
必要がある。However, as shown in FIG. 4, for example, when the unit cells 2 forming the assembled battery are thin plate type batteries such as the plate type lithium ion battery, these unit cells 2 are used.
Are closely arranged to each other, there is a possibility that thin-plate electrodes that should not be connected come into contact with each other between adjacent unit cells 2 to cause a short circuit, resulting in damage to the unit cells 2. In particular, when plate batteries are connected to each other to form a battery used in a hybrid vehicle, an electric vehicle, etc., a thin plate that should not be connected between adjacent cells, because the battery is subject to vibration, impact, etc. It is necessary to securely insulate the strip electrodes.
【０００５】[0005]
【発明が解決しようとする課題】本発明の課題は、組電
池の要素として用いられる各板状電池の薄板状電極のう
ち、接続すべきでない薄板状電極を、簡単、かつ確実に
絶縁することのできる、絶縁シート、および板状電池の
電極絶縁構造を提供することである。SUMMARY OF THE INVENTION An object of the present invention is to easily and reliably insulate thin plate electrodes that should not be connected among the thin plate electrodes of each plate battery used as an element of an assembled battery. It is possible to provide an insulating sheet and an electrode insulating structure for a plate-shaped battery.
【０００６】[0006]
【課題を解決するための手段】以上の課題を解決するた
め、請求項１に記載の発明は、薄板状電極（正極、負
極）を備える板状電池の電池本体に重ねられるシート本
体と、このシート本体から突出し、当該シート本体を前
記電池本体に重ねた状態で、前記薄板状電極を覆い隠す
形状の薄板状電極短絡防止部とを備えることを特徴とす
る。ここで、前記絶縁シートとしては、例えばポリプロ
ピレン、ポリエチレンテレフタレート、ポリフェニレン
サルファイドなどの樹脂からなる、厚さが０．数ｍｍ程
度のフィルムを用いることができる。また、前記シート
本体は、板状電池の電池本体とほぼ同じ平面形状に形成
されていることが好ましい。In order to solve the above-mentioned problems, the invention according to claim 1 is to provide a sheet main body, which is laminated on the battery main body of a plate-shaped battery provided with thin plate-shaped electrodes (positive electrode, negative electrode), It is characterized by comprising a thin plate electrode short-circuit preventing portion having a shape protruding from the sheet main body and covering the thin plate electrode in a state where the sheet main body is superposed on the battery main body. Here, the insulating sheet is made of a resin such as polypropylene, polyethylene terephthalate, or polyphenylene sulfide, and has a thickness of 0. A film of about several mm can be used. Further, it is preferable that the seat body is formed to have substantially the same plane shape as the battery body of the plate battery.
【０００７】請求項１に記載の発明によれば、複数の板
状電池の薄板状電極のうち正極、負極のいずれか一方の
薄板状電極を互いに接続する際、この薄板状電極のうち
互いに接続されない他方の薄板状電極の間に薄板状電極
短絡防止部を位置させて、複数の板状電池の間にシート
本体を挟み込むことで、互いに接続されない他方の薄板
状電極の間を確実に絶縁することができる。According to the first aspect of the present invention, among the thin plate electrodes of the plurality of plate batteries, when either one of the positive electrode and the negative electrode of the thin plate electrodes is connected to each other, the thin plate electrodes are connected to each other. By placing the thin plate electrode short-circuit prevention part between the other thin plate electrodes that are not protected and sandwiching the sheet body between the plurality of plate batteries, the other thin plate electrodes that are not connected to each other are reliably insulated. be able to.
【０００８】請求項２に記載の発明は、薄板状電極を備
える複数の板状電池の間に請求項１に記載の絶縁シート
を介装し、前記薄板状電極のうち正極、負極のいずれか
一方の薄板状電極を互いに接続する構造であって、前記
薄板状電極のうち互いに接続されない他方の薄板状電極
の間に前記薄板状電極短絡防止部を位置させて、複数の
板状電池の間に前記シート本体を挟み込んだことを特徴
とする。According to a second aspect of the present invention, the insulating sheet according to the first aspect is interposed between a plurality of plate-shaped batteries having thin plate-shaped electrodes, and either the positive electrode or the negative electrode of the thin plate-shaped electrodes is provided. A structure for connecting one thin plate-shaped electrode to each other, wherein the thin plate-shaped electrode short-circuit prevention part is located between the other thin plate-shaped electrodes that are not connected to each other among the thin plate-shaped electrodes, and between the plurality of plate-shaped batteries. It is characterized in that the seat body is sandwiched between.
【０００９】請求項２に記載の発明によれば、前記薄板
状電極のうち互いに接続されない他方の薄板状電極の間
に前記薄板状電極短絡防止部を位置させて、複数の板状
電池の間に前記シート本体が挟み込まれているので、請
求項１に記載の発明と同様の効果が得られる。According to the second aspect of the present invention, the thin plate electrode short-circuit prevention portion is located between the other thin plate electrodes of the thin plate electrodes which are not connected to each other, and the thin plate electrode short circuit prevention portion is provided between the plurality of thin plate electrodes. Since the seat body is sandwiched between the seat body and the seat body, the same effect as the invention according to the first aspect can be obtained.
【００１０】[0010]
【発明の実施の形態】以下、図面を参照しながら、本発
明の絶縁シート、および板状電池の電極絶縁構造の実施
の形態を詳細に説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the insulating sheet and the electrode insulating structure of a plate-shaped battery of the present invention will be described in detail below with reference to the drawings.
【００１１】本実施の形態に記載の絶縁シート１、およ
び板状電池の電極絶縁構造は、図１〜図３に示すよう
に、金属層の両面を樹脂層で被覆してなるラミネートシ
ート内に発電要素を収容してなるリチウムイオン二次電
池（板状電池）２を複数個、立てた状態で、これらを直
列に接続して構成されるバッテリに適用されたものであ
る。As shown in FIGS. 1 to 3, the insulating sheet 1 and the electrode insulating structure of the plate-shaped battery described in the present embodiment are provided in a laminate sheet in which both surfaces of a metal layer are covered with resin layers. The present invention is applied to a battery configured by connecting a plurality of lithium ion secondary batteries (plate-shaped batteries) 2 accommodating a power generation element in series in a standing state.
【００１２】本実施の形態の絶縁シート１は、図１、図
２に示すように、薄板状電極（正極２２、負極２３）を
備えるリチウムイオン二次電池２の電池本体２１とほぼ
同じ平面形状に形成されたシート本体１１と、このシー
ト本体１１から突出し、シート本体１１をリチウムイオ
ン二次電池２の電池本体２１に重ねた状態で、このリチ
ウムイオン二次電池２の正極２２または負極２３をその
側方から被覆する薄板状電極短絡防止部１２とを備えた
ものである。図１、図２に示すように、絶縁シート１の
薄板状電極短絡防止部１２の面積は、リチウムイオン二
次電池２の正極２２、負極２３に比して十分大きく形成
されている。As shown in FIGS. 1 and 2, the insulating sheet 1 of the present embodiment has substantially the same planar shape as the battery main body 21 of the lithium ion secondary battery 2 having thin plate electrodes (positive electrode 22 and negative electrode 23). The sheet body 11 formed in the above, and the sheet body 11 protruding from the sheet body 11 and being stacked on the battery body 21 of the lithium ion secondary battery 2, the positive electrode 22 or the negative electrode 23 of the lithium ion secondary battery 2 It is provided with a thin plate electrode short-circuit prevention part 12 which covers from the side. As shown in FIGS. 1 and 2, the area of the thin plate electrode short-circuit prevention portion 12 of the insulating sheet 1 is formed sufficiently larger than the positive electrode 22 and the negative electrode 23 of the lithium ion secondary battery 2.
【００１３】このバッテリでは、図２（図４）に示すよ
うに、リチウムイオン二次電池２が表裏交互に、それら
の電池本体２１が重ね合わされた状態に配置されてい
る。そして、互いに隣接する２つのリチウムイオン二次
電池２のうちの一方の正極２２と他方の負極２３とが重
ねられて、直列に接続されている。In this battery, as shown in FIG. 2 (FIG. 4), the lithium ion secondary batteries 2 are arranged alternately on the front and back, and their battery bodies 21 are arranged in a superposed state. Then, one positive electrode 22 and the other negative electrode 23 of the two lithium ion secondary batteries 2 adjacent to each other are overlapped and connected in series.
【００１４】前記バッテリにおいては、互いに隣接する
２つのリチウムイオン二次電池２の薄板状電極２２，２
３のうち正極２２、負極２３のいずれか一方の薄板状電
極が互いに接続されている。また、互いに隣接するリチ
ウムイオン二次電池２の電池本体２１の間には、絶縁シ
ート１のシート本体１１が挟み込まれている。互いに隣
接する２つのリチウムイオン二次電池２の薄板状電極２
２，２３のうち互いに接続されない他方の薄板状電極の
間には、この絶縁シート１の薄板状電極短絡防止部１２
が位置し、これら他方の薄板状電極の間が絶縁されてい
る。このようにして、本実施の形態の板状電池の電極絶
縁構造が構成されている。In the battery, the thin plate-shaped electrodes 22, 2 of two lithium ion secondary batteries 2 adjacent to each other are provided.
One of the positive electrode 22 and the negative electrode 23 of the thin plate electrodes 3 is connected to each other. Further, the sheet body 11 of the insulating sheet 1 is sandwiched between the battery bodies 21 of the lithium ion secondary batteries 2 adjacent to each other. Thin plate electrodes 2 of two lithium ion secondary batteries 2 adjacent to each other
The thin plate electrode short-circuit prevention part 12 of the insulating sheet 1 is provided between the other thin plate electrodes 2 and 23 which are not connected to each other.
Are located, and there is insulation between these other thin plate electrodes. In this way, the electrode insulating structure of the plate battery according to the present embodiment is constructed.
【００１５】本実施の形態に記載の絶縁シート１、およ
び板状電池の電極絶縁構造によれば、複数のリチウムイ
オン二次電池２の薄板状電極（正極２２、負極２３）と
のうち、いずれか一方の薄板状電極２２，２３を互いに
接続し、互いに接続されない他方の薄板状電極２３，２
２の間に薄板状電極短絡防止部１２を位置させて、複数
のリチウムイオン二次電池２の間にシート本体１１を挟
み込むことで、互いに接続されない薄板状電極２３，２
２との間を確実に絶縁することができる。また、特に、
絶縁シート１のシート本体１１がリチウムイオン二次電
池２の電池本体２１とほぼ同じ平面形状に形成されてい
るので、この絶縁シート１を複数のリチウムイオン二次
電池２の間に介装すると、互いに接続されない薄板状電
極２３，２２との間に位置する薄板状電極短絡防止部１
２がずれにくい。According to the insulating sheet 1 and the electrode insulating structure of the plate-shaped battery described in the present embodiment, whichever of the thin plate-shaped electrodes (the positive electrode 22 and the negative electrode 23) of the plurality of lithium ion secondary batteries 2 is used. One thin plate electrode 22, 23 is connected to each other, and the other thin plate electrode 23, 2 which is not connected to each other
By placing the thin plate electrode short-circuit prevention part 12 between the two and sandwiching the sheet body 11 between the plurality of lithium ion secondary batteries 2, the thin plate electrodes 23, 2 that are not connected to each other
It is possible to reliably insulate between the two. Also, especially
Since the sheet body 11 of the insulating sheet 1 is formed in substantially the same plane shape as the battery body 21 of the lithium ion secondary battery 2, when the insulating sheet 1 is interposed between a plurality of lithium ion secondary batteries 2, Thin plate electrode short-circuit prevention unit 1 located between thin plate electrodes 23, 22 that are not connected to each other
2 is hard to slip.
【００１６】なお、本発明の絶縁シート、および板状電
池の電極絶縁構造は、本実施の形態に限定されることな
く、本発明の趣旨を逸脱しない範囲において、種々の改
良並びに設計の変更を行っても良い。例えば、本実施の
形態の絶縁シート１、および板状電池の電極絶縁構造
は、板状電池からなる単電池を直列に接続して構成され
た組電池に適用されたものであるが、本発明はこれに限
定されることなく、例えば板状電池を所定個ずつ並列に
接続した板状電池群を直列に接続して構成された組電池
において、この板状電池群と板状電池群との間に絶縁シ
ートを介装しても良い。その他、具体的な細部構造等に
ついても適宜に変更可能であることはもちろんである。The insulating sheet of the present invention and the electrode insulating structure of the plate battery are not limited to the present embodiment, and various improvements and design changes can be made without departing from the spirit of the present invention. You can go. For example, the insulating sheet 1 of the present embodiment and the electrode insulating structure of the plate-shaped battery are applied to the assembled battery configured by connecting the unit cells of the plate-shaped battery in series. Is not limited to this, for example, in an assembled battery constituted by connecting in series plate-shaped battery groups in which a predetermined number of plate-shaped batteries are connected in parallel, in the plate-shaped battery group and the plate-shaped battery group An insulating sheet may be interposed between them. In addition, it goes without saying that a specific detailed structure and the like can be appropriately changed.
【００１７】[0017]
【発明の効果】請求項１に記載の発明によれば、複数の
板状電池の薄板状電極のうち正極、負極のいずれか一方
の薄板状電極を互いに接続する際、この薄板状電極のう
ち互いに接続されない他方の薄板状電極の間に薄板状電
極短絡防止部を位置させて、複数の板状電池の間にシー
ト本体を挟み込むことで、互いに接続されない他方の薄
板状電極の間を確実に絶縁することができる。According to the invention described in claim 1, when one of the thin plate-shaped electrodes of the plurality of plate-shaped batteries is connected to each other, one of the positive electrode and the negative electrode is connected to each other. By arranging the thin plate electrode short-circuit prevention part between the other thin plate electrodes that are not connected to each other and sandwiching the sheet body between the plurality of plate batteries, it is possible to ensure a space between the other thin plate electrodes that are not connected to each other. It can be insulated.
【００１８】請求項２に記載の発明によれば、前記薄板
状電極のうち互いに接続されない他方の薄板状電極の間
に前記薄板状電極短絡防止部を位置させて、複数の板状
電池の間に前記シート本体が挟み込まれているので、請
求項１に記載の発明と同様の効果が得られる。According to the second aspect of the invention, the thin plate electrode short-circuit prevention portion is located between the other thin plate electrodes of the thin plate electrodes which are not connected to each other, and the thin plate electrode short circuit prevention section is provided between the plurality of thin plate electrodes. Since the seat body is sandwiched between the seat body and the seat body, the same effect as the invention according to the first aspect can be obtained.
【図１】本発明の板状電池の電極絶縁構造の一例を示す
斜視図である。FIG. 1 is a perspective view showing an example of an electrode insulating structure of a plate-shaped battery of the present invention.
【図２】本発明の絶縁シートの一例を示す斜視図であ
る。FIG. 2 is a perspective view showing an example of an insulating sheet of the present invention.
【図３】本発明の板状電池の電極絶縁構造における板状
電池の一例を示す斜視図である。FIG. 3 is a perspective view showing an example of a plate-shaped battery in an electrode insulating structure of the plate-shaped battery of the present invention.
【図４】板状電池の薄板状電極の接続構造の一例を示す
斜視図である。FIG. 4 is a perspective view showing an example of a connection structure of thin plate electrodes of a plate battery.
１ 絶縁シート ２ 板状電池 １１ シート本体 １２ 薄板状電極短絡防止部 ２１ 電池本体 ２２ 薄板状電極（正極） ２３ 薄板状電極（負極） 1 Insulation sheet 2 plate batteries 11 seat body 12 Thin plate electrode short circuit prevention part 21 Battery body 22 Thin plate electrode (positive electrode) 23 Thin plate electrode (negative electrode)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 石井 光徳 東京都新宿区西新宿一丁目７番２号 富士 重工業株式会社内 (72)発明者 難波 篤史 東京都新宿区西新宿一丁目７番２号 富士 重工業株式会社内 (72)発明者 橋本 武典 東京都新宿区西新宿一丁目７番２号 富士 重工業株式会社内 (72)発明者 成瀬 伸吾 東京都新宿区西新宿一丁目７番２号 富士 重工業株式会社内 Ｆターム(参考） 5H022 AA19 BB05 KK03 5H040 AA02 AA03 AA18 AS01 AS07 AT04 JJ06 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Mitsunori Ishii 1-7-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Fuji Heavy Industry Co., Ltd. (72) Inventor Atsushi Namba 1-7-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Fuji Heavy Industry Co., Ltd. (72) Inventor Takenori Hashimoto 1-7-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Fuji Heavy Industry Co., Ltd. (72) Inventor Shingo Naruse 1-7-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo Fuji Heavy Industry Co., Ltd. F term (reference) 5H022 AA19 BB05 KK03 5H040 AA02 AA03 AA18 AS01 AS07 AT04 JJ06
Claims (2)
重ねられるシート本体と、 このシート本体から突出し、当該シート本体を前記電池
本体に重ねた状態で、前記薄板状電極を覆い隠す形状の
薄板状電極短絡防止部とを備えることを特徴とする絶縁
シート。1. A sheet body that is stacked on a battery body of a plate-shaped battery including a thin plate electrode, and a shape that projects from the sheet body and covers the thin plate electrode when the sheet body is stacked on the battery body. The thin sheet electrode short-circuit prevention part of 1.
請求項１に記載の絶縁シートを介装し、前記薄板状電極
のうち正極、負極のいずれか一方の薄板状電極を互いに
接続する構造であって、 前記薄板状電極のうち互いに接続されない他方の薄板状
電極の間に前記薄板状電極短絡防止部を位置させて、複
数の板状電池の間に前記シート本体を挟み込んだことを
特徴とする板状電池の電極絶縁構造。2. The insulating sheet according to claim 1 is interposed between a plurality of plate-shaped batteries having thin plate-shaped electrodes, and one of the thin plate-shaped electrodes, a positive electrode or a negative electrode, is connected to each other. In the structure for connecting, the thin plate electrode short-circuit prevention portion is located between the other thin plate electrodes of the thin plate electrodes that are not connected to each other, and the sheet body is sandwiched between a plurality of plate batteries. An electrode insulating structure for a plate-shaped battery characterized by the above.
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| JP2002131508A JP4499977B2 (en) | 2002-05-07 | 2002-05-07 | Plate battery electrode insulation structure |
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| JP2002131508A JP4499977B2 (en) | 2002-05-07 | 2002-05-07 | Plate battery electrode insulation structure |
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| JP2003323883A true JP2003323883A (en) | 2003-11-14 |
| JP4499977B2 JP4499977B2 (en) | 2010-07-14 |
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| JP2005108485A (en) * | 2003-09-29 | 2005-04-21 | Shin Kobe Electric Mach Co Ltd | Layer-built cell |
| JP2006196428A (en) * | 2004-05-31 | 2006-07-27 | Nissan Motor Co Ltd | Battery pack and its manufacturing method |
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| US9246145B2 (en) | 2004-05-31 | 2016-01-26 | Nissan Motor Co., Ltd. | Assembled battery and manufacturing method thereof |
| JP2006196428A (en) * | 2004-05-31 | 2006-07-27 | Nissan Motor Co Ltd | Battery pack and its manufacturing method |
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| JP2009146795A (en) * | 2007-12-17 | 2009-07-02 | Daikyonishikawa Corp | Battery pack |
| JP2012502425A (en) * | 2008-09-03 | 2012-01-26 | エスケー イノベーション シーオー．，エルティーディー． | Lithium secondary battery unit set with bus bar and lithium secondary battery set with bus bar |
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| EP2654102A3 (en) * | 2012-04-18 | 2014-07-30 | Hitachi Maxell, Ltd. | Battery stack |
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