JP3240109B2 - Prismatic battery - Google Patents
Prismatic batteryInfo
- Publication number
- JP3240109B2 JP3240109B2 JP01674896A JP1674896A JP3240109B2 JP 3240109 B2 JP3240109 B2 JP 3240109B2 JP 01674896 A JP01674896 A JP 01674896A JP 1674896 A JP1674896 A JP 1674896A JP 3240109 B2 JP3240109 B2 JP 3240109B2
- Authority
- JP
- Japan
- Prior art keywords
- separator
- electrode plate
- battery
- negative electrode
- wound
- 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 - Lifetime
Links
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、角型電池、とくに
小型の電子機器の電源用の角型電池に関し、容積当たり
の容量の大きな角型電池に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a prismatic battery, and more particularly to a prismatic battery having a large capacity per volume, which is used as a power source for a small electronic device.
【０００２】[0002]
【従来の技術】小型の電子機器用の電池として、リチウ
ム電池、リチウムイオン二次電池、ニッカド電池等が用
いられている。これらの電池は、正極と負極の活物質を
集電体上に塗布した帯状の正負の電極板をセパレータを
介して積層して巻回した構造のものが広く用いられてい
る。これは、巻回して円筒型としたものは、電極とセパ
レータとをほぼ全面にわたり均一に接触することができ
るので、電池の特性面においても優れたものを容易に得
ることができるからである。2. Description of the Related Art As batteries for small electronic devices, lithium batteries, lithium ion secondary batteries, nickel cadmium batteries and the like are used. As these batteries, those having a structure in which belt-like positive and negative electrode plates in which a positive electrode and a negative electrode active materials are applied on a current collector are laminated with a separator interposed therebetween and wound are used. This is because, when the battery is wound into a cylindrical shape, the electrode and the separator can be brought into uniform contact over substantially the entire surface, so that an excellent battery can be easily obtained.
【０００３】ところが、電池を使用する機器は、一般に
は角型の形状を有しており、機器内部の限定された空間
を有効に利用するためには、電池の形状は角型、すなわ
ち直方体等の多角柱体の外形を有していることが求めれ
ている。角型電池には、円筒型電池に使用するような長
尺状の正極板と負極板をセパレータを介して積層した巻
き構造のもの、短冊状の正極板、負極板をセパレータで
包んで積層する等の方法によって製造されている。However, a device using a battery generally has a rectangular shape, and in order to effectively use the limited space inside the device, the shape of the battery is rectangular, that is, a rectangular parallelepiped or the like. It is required to have an outer shape of a polygonal prism. The prismatic battery has a wound structure in which a long positive electrode plate and a negative electrode plate used for a cylindrical battery are laminated with a separator interposed therebetween, and a strip-shaped positive electrode plate and a negative electrode plate are wrapped and laminated with a separator. And so on.
【０００４】図３は、巻き構造を有する電池の一例を説
明する図であり、巻回した軸に垂直な面で切断した断面
図である。セパレータ１を介して、負極板２と正極板３
を積層して巻回しており、外周部のセパレータを巻き止
めテープ４によって固定して発電要素として電池容器５
に収容している。このような電池では、電池の巻き中央
部において両電極板が接触しないようにするために、セ
パレータの重なり部２１が存在するとともに電池反応に
は寄与しない負極板同士の対向部分２２が生じていた。
さらに、発電要素の外周部分２３においても、多重にセ
パレータが存在する部分が存在している。FIG. 3 is a diagram illustrating an example of a battery having a wound structure, and is a cross-sectional view taken along a plane perpendicular to a wound axis. Negative electrode plate 2 and positive electrode plate 3
Are laminated and wound, and the separator on the outer peripheral portion is fixed with the wrapping tape 4 to form a battery container 5 as a power generation element.
Housed in. In such a battery, in order to prevent the two electrode plates from coming into contact with each other at the center of the winding of the battery, there is an overlapping portion 21 of the separator, and an opposing portion 22 between the negative electrodes that does not contribute to the battery reaction is generated. .
Further, also in the outer peripheral portion 23 of the power generating element, there are portions where the separator is present in multiple layers.
【０００５】図３の巻き構造を有する電池の製造工程
を、図４（ａ）〜（ｃ）によって説明する。図４（ａ）
に示すように、まず巻き芯６Ａと巻き芯６Ｂでセパレー
タ１をはさむ、セパレータ切断装置７でセパレータ１が
切断された後、巻き芯６Ａと巻き芯６Ｂはセパレータを
挟んだまま回転し、同時に電極板が供給され、負の電極
板２と正の電極板３が巻き込まれる。次いで、図４
（ｂ）に示すように、正の電極板３が先に正の電極板切
断装置８により規定の長さに切断され、次に負の電極板
２が負の電極板切断装置９により切断される。電極板の
切断後も巻き芯は負の電極板２が完全に巻かれるまで回
転し、負の電極板２が巻かれた後セパレータ１は切断さ
れ、さらに図４（ｃ）に示すように、巻き止めテープ４
が取り付けられる。最後に、巻き芯６Ａと６Ｂが電極板
の巻きテンションに影響を与えないように抜かれ、発電
要素が完成し、所定の電池容器に入れて、電解液を注入
し容器を封口し、図３に示した電池が得られる。[0005] A manufacturing process of the battery having the winding structure shown in Fig. 3 will be described with reference to Figs. FIG. 4 (a)
As shown in the figure, first, the separator 1 is sandwiched between the core 6A and the core 6B. After the separator 1 is cut by the separator cutting device 7, the core 6A and the core 6B rotate while sandwiching the separator. A plate is supplied, and the negative electrode plate 2 and the positive electrode plate 3 are involved. Then, FIG.
As shown in (b), the positive electrode plate 3 is first cut to a prescribed length by the positive electrode plate cutting device 8, and then the negative electrode plate 2 is cut by the negative electrode plate cutting device 9. You. Even after the cutting of the electrode plate, the winding core rotates until the negative electrode plate 2 is completely wound, and after the negative electrode plate 2 is wound, the separator 1 is cut, and as shown in FIG. Winding tape 4
Is attached. Finally, the winding cores 6A and 6B are pulled out so as not to affect the winding tension of the electrode plate, and the power generation element is completed. The power generation element is put into a predetermined battery container, an electrolyte is injected and the container is closed, and FIG. The battery shown is obtained.
【０００６】以上の工程により製造される巻き構造の電
池は、図３に示すように中央部にセパレータ切断装置７
から巻き芯までの長さ分の無駄なセパレータが存在する
とともに、そのセパレータ１を介して負の電極板２同士
が対面している部分が生じ、さらに正の電極板を囲むセ
パレータの外周分が余分に必要となり、巻き止めテープ
４が必要となる。また、他の方法を採用しても、巻き芯
部には、同極性の極板同士が対向する部分が生じること
は避けられなかった。[0006] As shown in FIG. 3, the battery having the wound structure manufactured by the above-described process is provided with a separator cutting device 7 at the center.
There is a useless separator for the length from to the winding core, and a portion where the negative electrode plates 2 face each other via the separator 1 occurs. An extra winding tape 4 is required. Further, even if other methods are adopted, it is inevitable that a part where the electrode plates of the same polarity face each other is formed in the core part.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、電極板とセ
パレータとを積層した巻いた電池において、巻き構造の
の中央部に無駄なセパレータを存在させることがなく、
また負の電極板と正の電極板が常に対向し、同極性の電
極板同士が対向することのない巻き構造を有する体積効
率、重量効率に優れた電池を提供することを課題とする
ものである。SUMMARY OF THE INVENTION The present invention relates to a wound battery in which an electrode plate and a separator are stacked, without causing a useless separator to be present at the center of the wound structure.
Another object of the present invention is to provide a battery having excellent winding efficiency and weight efficiency having a winding structure in which a negative electrode plate and a positive electrode plate always face each other, and electrode plates of the same polarity do not face each other. is there.
【０００８】[0008]
【課題を解決するための手段】本発明は、帯状の正およ
び負の電極板をセパレータを介して巻回した巻き構造を
有する発電要素を角柱状の容器に収容した角型電池にお
いて、巻き芯部において一方の極性の電極板の両面およ
び長手方向の端部をセパレータで覆うと共に、一方の電
極板の端部から最初の折れ曲げ部までの間の内側部分で
あって、最初の折れ曲げ部の近傍の位置に他方の極性の
電極板の先端部がセパレータを挟んで位置するととも
に、他方の電極板は一方の電極板の先端部で折り曲げら
れた後に、一方の電極板に対向してセパレータを挟んで
巻回されており、巻き芯部において全面に極性の異なる
電極板が対向する角型電池である。また、一方の電極板
の両面および長手方向の端部を覆うセパレータが該端部
の近傍において２枚のセパレータを接着したものである
前記の角型電池である。セパレータの接着が加熱溶着に
よって形成されたものである前記の角型電池である。ま
た、セパレータは両電極板の終端部を超えて巻回され、
セパレータの終端部は既に巻回されたセパレータに接合
された前記の角型電池である。リチウムイオン二次電池
である前記の角型電池である。SUMMARY OF THE INVENTION The present invention relates to a prismatic battery in which a power generating element having a winding structure in which belt-like positive and negative electrode plates are wound via a separator is housed in a prismatic container. In the part, both surfaces and one end in the longitudinal direction of the electrode plate of one polarity are covered with a separator, and the inner part between the end part of one electrode plate and the first bent part is the first bent part. The other end of the electrode plate is bent at the end of one electrode plate, and the other end of the electrode plate faces the one electrode plate. Is a rectangular battery in which electrode plates having different polarities face each other in the entire area of the winding core. Further, in the prismatic battery described above, the separator covering both surfaces and one end in the longitudinal direction of one of the electrode plates is obtained by bonding two separators in the vicinity of the end. In the above-described prismatic battery, the adhesion of the separator is formed by heat welding. In addition, the separator is wound beyond the end of both electrode plates,
The end portion of the separator is the above-described prismatic battery joined to the already wound separator. The prismatic battery is a lithium ion secondary battery.
【０００９】[0009]
【発明の実施の形態】本発明の電池を図面を参照して説
明する。図１は本発明の一実施例を説明する図であり、
巻回する軸に垂直な面で切断した断面図である。発電要
素が電池容器５に収容されており、発電要素は負の電極
板２の端部１０の近傍のセパレータ接着部１１において
２枚のセパレータ１が接着されている。そして、負の電
極板の端部１０と最初の折れ曲げ部１２の間にあって、
最初の折れ曲げ部の近傍の内側面に正の電極板の先端１
３が位置し、正の電極板は、負の電極板の端部で折り曲
げられて負の電極板とセパレータを介して積層されて巻
回されている。セパレータは所定の長さの正の電極板の
終端部１４および負の電極板の終端部１５を超えて伸び
ており、セパレータの終端部は、既に巻回されたセパレ
ータ上の接合部１６において接合されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The battery of the present invention will be described with reference to the drawings. FIG. 1 is a diagram for explaining an embodiment of the present invention.
It is sectional drawing cut | disconnected by the surface perpendicular | vertical to the axis | shaft to wind. The power generating element is housed in the battery container 5, and the two separators 1 are bonded to each other at the separator bonding portion 11 near the end 10 of the negative electrode plate 2. And between the end 10 of the negative electrode plate and the first bend 12
Tip 1 of the positive electrode plate on the inner surface near the first bend
3, the positive electrode plate is bent at the end of the negative electrode plate, laminated with the negative electrode plate via a separator, and wound. The separator extends beyond the end of the positive electrode plate 14 and the end of the negative electrode plate 15 of a predetermined length, and the end of the separator is joined at the joint 16 on the already wound separator. Have been.
【００１０】図２は、本発明の電池の製造工程の一例を
説明する図である。図２（ａ）に示すように、負の電極
板の両面に配置した２枚のセパレータをセパレータ接着
切断装置１７により接着後切断する。セパレータの接着
は加熱溶着、圧接、超音波接着、接着剤塗布による接着
等の方法によって行うことができる。 次に、図２
（ｂ）に示すように接着された２枚のセパレータ１の間
に負の電極板２が差し込まれる。負の電極板２がセパレ
ータ１に差し込まれたまま、巻き芯６Ａと巻き芯６Ｂの
間に移動する。次いで、図２（ｃ）に示すように正の電
極３が反対の方向より巻き芯６Ａと巻き芯６Ｂの間に移
動し、巻き芯６Ａと巻き芯６Ｂが正の電極板３、セパレ
ータ１、負の電極板２を挟み、正の電極板が内側となる
ように巻回する。正の電極板３は正の電極板切断装置８
により所定の長さに切断される。また、図２（ｄ）に示
すように、負の電極板切断装置９により所定の長さに切
断され、電極板が巻かれた後、図２（ｅ）に示すよう
に、セパレータは既に巻回されたセパレータとセパレー
タ接合部１６において熱溶着される。巻き芯６Ａと巻き
芯６Ｂが電極板の巻きテンションに影響を与えないよう
に引き抜かれ、図１に示される電池の発電要素が完成す
る。FIG. 2 is a view for explaining an example of the manufacturing process of the battery of the present invention. As shown in FIG. 2A, the two separators disposed on both sides of the negative electrode plate are cut after bonding by the separator bonding and cutting device 17. The bonding of the separator can be performed by a method such as heat welding, pressure welding, ultrasonic bonding, or bonding by applying an adhesive. Next, FIG.
A negative electrode plate 2 is inserted between two bonded separators 1 as shown in FIG. The negative electrode plate 2 moves between the winding core 6A and the winding core 6B while being inserted into the separator 1. Next, as shown in FIG. 2C, the positive electrode 3 moves between the winding core 6A and the winding core 6B from the opposite direction, and the winding core 6A and the winding core 6B are moved from the positive electrode plate 3, the separator 1, and the like. It winds so that the negative electrode plate 2 may be sandwiched and the positive electrode plate may be inside. The positive electrode plate 3 is a positive electrode plate cutting device 8
Is cut to a predetermined length. Further, as shown in FIG. 2 (d), the separator is cut into a predetermined length by a negative electrode plate cutting device 9, and after the electrode plate is wound, the separator is already wound as shown in FIG. 2 (e). It is thermally welded at the turned separator / separator joint 16. The winding core 6A and the winding core 6B are pulled out so as not to affect the winding tension of the electrode plate, and the power generation element of the battery shown in FIG. 1 is completed.
【００１１】また、図２（ａ）では、負の電極板の両面
のセパレータを接着して端部を覆う方法を示したが、一
枚のセパレータを端部で折り曲げて両面に配置し、負の
電極板の両面および端部を覆っても良い。本発明の電池
は、正極板と負極板を帯状に形成することができるもの
について広く適用することができるが、とくにリチウム
イオン二次電池などのリチウム二次電池、リチウム一次
電池、ニッケル水素電池、ニッカド電池等に好ましく適
用することができるのである。FIG. 2A shows a method of bonding the separators on both sides of the negative electrode plate to cover the ends. However, one separator is bent at the ends and placed on both sides to form a negative electrode. Of the electrode plate may be covered. The battery of the present invention can be widely applied to those in which a positive electrode plate and a negative electrode plate can be formed in a belt shape, and in particular, lithium secondary batteries such as lithium ion secondary batteries, lithium primary batteries, nickel hydrogen batteries, It can be preferably applied to a nickel-cadmium battery or the like.
【００１２】また、図１で示した電池では、厚みは、セ
パレータ８枚分、負の電極板４枚分、および正の電極板
３枚分に相当する厚みとなるが、図３で示した従来の方
法によって製造した電池に比べて、セパレータ６枚分、
負の電極板１枚分および巻き止めテープの厚さだけ電池
の厚みが薄くなる。これは、セパレータの厚さが２５μ
ｍ、負の電極板が１５０μｍ、巻き止めテープが７０μ
ｍのリチウムイオン電池では、３７０μｍの厚さが薄く
なることを意味しており、電池の厚さを小さくしたり、
あるいは電池の容量を大きくすることができる。In the battery shown in FIG. 1, the thickness is equivalent to eight separators, four negative electrode plates, and three positive electrode plates, as shown in FIG. Compared to the battery manufactured by the conventional method, the amount equivalent to six separators,
The thickness of the battery is reduced by the thickness of one negative electrode plate and the thickness of the winding tape. This is because the separator thickness is 25μ.
m, negative electrode plate is 150 μm, wrapping tape is 70 μm
m lithium-ion battery means that the thickness of 370 μm is reduced, and the thickness of the battery can be reduced,
Alternatively, the capacity of the battery can be increased.
【００１３】[0013]
【発明の効果】本発明の電池は、巻き芯の中央部におい
て、同一の極性の電極板が対向したり、不要なセパレー
タが存在したりすることはなく、また外周部に二重にセ
パレータが存在することはないので、容積効率に優れた
角型電池を得ることができる。According to the battery of the present invention, electrode plates of the same polarity do not face each other at the center of the winding core, and unnecessary separators do not exist. Since it does not exist, a prismatic battery excellent in volumetric efficiency can be obtained.
【図１】本発明の一実施例を説明する図である。FIG. 1 is a diagram illustrating an embodiment of the present invention.
【図２】本発明の電池の製造工程の一例を説明する図で
ある。FIG. 2 is a diagram illustrating an example of a manufacturing process of the battery of the present invention.
【図３】従来の巻き構造を有する電池の一例を説明する
図である。FIG. 3 is a diagram illustrating an example of a battery having a conventional winding structure.
【図４】従来の巻き構造を有する電池の製造工程を説明
する図である。FIG. 4 is a diagram illustrating a manufacturing process of a battery having a conventional winding structure.
１…セパレータ、２…負の電極板、３…正の電極板、４
…巻き止めテープ、５…電池容器、６Ａ、６Ｂ…巻き
芯、７…セパレータ切断装置、８…正の電極板切断装
置、９…負の電極板切断装置、１０…負の電極板の端
部、１１…セパレータ接着部、１２…最初の折れ曲げ
部、１３…正の電極板の先端、１４…正の電極板の終端
部、１５…負の電極板の終端部、１６…セパレータ上の
接合部、１７…セパレータ接着切断装置、２１…セパレ
ータの重なり部、２２…負極板同士の対向部分２２、２
３…電池の外周部分DESCRIPTION OF SYMBOLS 1 ... Separator, 2 ... Negative electrode plate, 3 ... Positive electrode plate, 4
... winding tape, 5 ... battery container, 6A, 6B ... core, 7 ... separator cutting device, 8 ... positive electrode plate cutting device, 9 ... negative electrode plate cutting device, 10 ... end of negative electrode plate Reference numeral 11 denotes a separator bonding portion, 12 denotes a first bent portion, 13 denotes a tip of a positive electrode plate, 14 denotes a terminal portion of a positive electrode plate, 15 denotes a terminal portion of a negative electrode plate, and 16 denotes bonding on a separator. Part, 17: separator bonding and cutting device, 21: overlapping part of separators, 22: opposing parts 22, 2 between negative electrode plates
3: The outer peripheral part of the battery
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平５−135780（ＪＰ，Ａ) 特開 平５−74496（ＪＰ，Ａ) 特開 平２−168560（ＪＰ，Ａ) 特開 平８−171917（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01M 2/14 - 2/18 H01M 6/00 - 6/18 H01M 10/04 H01M 10/40 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-135780 (JP, A) JP-A-5-74496 (JP, A) JP-A-2-168560 (JP, A) JP-A-8- 171917 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) H01M 2/14-2/18 H01M 6/00-6/18 H01M 10/04 H01M 10/40
Claims (5)
を介して巻回した巻き構造を有する発電要素を角柱状の
容器に収容した角型電池において、巻き芯部において一
方の極性の電極板の両面および長手方向の端部をセパレ
ータで覆うと共に、一方の電極板の端部から最初の折れ
曲げ部までの間の内側部分にあって、最初の折れ曲げ部
の近傍の位置に他方の極性の電極板の先端部がセパレー
タを挟んで位置するとともに、他方の電極板は一方の電
極板の先端部で折り曲げられた後に、一方の電極板に対
向してセパレータを挟んで巻回されており、巻き芯部に
おいて全面に極性の異なる電極板が対向することを特徴
とする角型電池。1. A prismatic battery in which a power generating element having a winding structure in which a belt-like positive and negative electrode plate is wound via a separator is accommodated in a prismatic container, an electrode plate having one polarity at a winding core portion. Both ends and the longitudinal end of the electrode plate are covered with a separator, and the other polarity is located at a position near the first bent portion in the inner portion between the end portion of one electrode plate and the first bent portion. The tip of the electrode plate is located with the separator in between, and the other electrode plate is bent at the tip of one electrode plate, and then wound around the separator in opposition to the one electrode plate. A prismatic battery characterized in that electrode plates having different polarities face each other on the entire surface of the winding core.
部を覆うセパレータが該端部の近傍において２枚のセパ
レータを接着したものであることを特徴とする請求項１
記載の角型電池。2. A separator covering both surfaces and an end in the longitudinal direction of one of the electrode plates, wherein two separators are bonded in the vicinity of the end.
The prismatic battery as described.
成されたものであることを特徴とする請求項２記載の角
型電池。3. The prismatic battery according to claim 2, wherein the adhesion of the separator is formed by heat welding.
巻回され、セパレータの終端部は既に巻回されたセパレ
ータ上に接合されたものであることを特徴とする請求項
１〜３項のいずれかに記載の角型電池。4. The separator according to claim 1, wherein the separator is wound beyond the ends of the two electrode plates, and the end of the separator is joined to the already wound separator. A prismatic battery according to any one of the above.
徴とする請求項１〜４記載の角型電池。5. The prismatic battery according to claim 1, wherein the battery is a lithium ion secondary battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01674896A JP3240109B2 (en) | 1996-02-01 | 1996-02-01 | Prismatic battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01674896A JP3240109B2 (en) | 1996-02-01 | 1996-02-01 | Prismatic battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09213374A JPH09213374A (en) | 1997-08-15 |
| JP3240109B2 true JP3240109B2 (en) | 2001-12-17 |
Family
ID=11924895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01674896A Expired - Lifetime JP3240109B2 (en) | 1996-02-01 | 1996-02-01 | Prismatic battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3240109B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4877684B2 (en) * | 2001-05-14 | 2012-02-15 | シーケーディ株式会社 | Winding device and winding element manufacturing method |
| JP4075034B2 (en) * | 2001-08-06 | 2008-04-16 | ソニー株式会社 | Nonaqueous electrolyte battery and manufacturing method thereof |
| JP2004349141A (en) | 2003-05-23 | 2004-12-09 | Sanyo Electric Co Ltd | Battery with flat coiled electrode body and its manufacturing method |
| JP5737289B2 (en) | 2010-05-26 | 2015-06-17 | 株式会社Ｇｓユアサ | battery |
| JP5269132B2 (en) * | 2011-03-28 | 2013-08-21 | Ｃｋｄ株式会社 | Winding device and winding element manufacturing method |
| JP5790179B2 (en) * | 2011-06-13 | 2015-10-07 | トヨタ自動車株式会社 | Winding type battery and method for manufacturing winding type battery |
| KR102238367B1 (en) | 2015-03-13 | 2021-04-09 | 삼성에스디아이 주식회사 | electrode assembly and secondary battery having electrode assembly |
| JP6563008B2 (en) * | 2015-04-28 | 2019-08-21 | 日立オートモティブシステムズ株式会社 | Secondary battery |
| CN107302109B (en) * | 2016-04-15 | 2023-08-29 | 宁德新能源科技有限公司 | Winding type battery cell |
| JP7109950B2 (en) * | 2018-03-23 | 2022-08-01 | 三洋電機株式会社 | Non-aqueous electrolyte secondary battery |
-
1996
- 1996-02-01 JP JP01674896A patent/JP3240109B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09213374A (en) | 1997-08-15 |
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