JP2001160384A - Cylindrical secondary battery - Google Patents
Cylindrical secondary batteryInfo
- Publication number
- JP2001160384A JP2001160384A JP34226099A JP34226099A JP2001160384A JP 2001160384 A JP2001160384 A JP 2001160384A JP 34226099 A JP34226099 A JP 34226099A JP 34226099 A JP34226099 A JP 34226099A JP 2001160384 A JP2001160384 A JP 2001160384A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- positive
- secondary battery
- cylindrical secondary
- lugs
- 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.)
- Pending
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
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
(57)【要約】
【課題】集電性能を改良し、放電特性の優れた円筒形二
次電池を提供する。
【解決手段】正負極板をセパレータを介して巻回した渦
巻状極板群を備えた円筒形二次電池において、前記正負
極板は、複数の極板耳を有する極板基体と極板基体に保
持された活物質とを備えたものであり、前記極板耳は、
渦巻状極板群の同一端面側にあるとともに、少なくとも
正負何れかの極板の極板耳は２群以上に配設された円筒
形二次電池及び、同一極性の極板耳を接続するためのス
トラップと、前記ストラップが接続された極柱とを備え
た前記円筒形二次電池とする。
(57) [Summary] [PROBLEMS] To provide a cylindrical secondary battery having improved current collecting performance and excellent discharge characteristics. In a cylindrical secondary battery provided with a spirally wound electrode plate group in which positive and negative electrode plates are wound via a separator, the positive and negative electrode plates have an electrode plate base having a plurality of electrode lugs and an electrode plate base. And an active material held in the electrode plate ear,
At least one of the positive and negative electrode plates is located on the same end face of the spiral electrode plate group, and at least one of the positive and negative electrode plates is used to connect the cylindrical secondary batteries arranged in two or more groups and the same polarity electrode plates. The secondary battery is provided with a strap and a pole connected to the strap.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は円筒形二次電池に関
する。The present invention relates to a cylindrical secondary battery.
【０００２】[0002]
【従来の技術】現在、実用に供されている主な二次電池
としては、鉛蓄電池、ニッケルカドミウム蓄電池、ニッ
ケル水素電池、酸化銀亜鉛電池、リチウムイオン電池等
がある。2. Description of the Related Art Principal secondary batteries currently in practical use include lead storage batteries, nickel cadmium storage batteries, nickel metal hydride batteries, silver zinc oxide batteries, and lithium ion batteries.
【０００３】鉛蓄電池は、正極活物質に二酸化鉛、負極
活物質に鉛、電解液に希硫酸を用いるもので、約２Ｖの
作動電圧を有している。この電池は、品質、信頼性、価
格の点でバランスを有し、自動車用、電気車用、無停電
電源装置用等として広く普及している。また、近年にな
って小型密閉化の技術が進歩し、各種コードレス機器用
としても有用性が増している。A lead-acid battery uses lead dioxide as a positive electrode active material, lead as a negative electrode active material, and dilute sulfuric acid as an electrolyte, and has an operating voltage of about 2V. This battery has a balance in terms of quality, reliability, and price, and is widely used for automobiles, electric vehicles, uninterruptible power supplies, and the like. In recent years, the technology of miniaturization has been advanced, and its usefulness has been increased for various cordless devices.
【０００４】ニッケルカドミウム蓄電池は、正極活物質
にオキシ水酸化ニッケル、負極活物質にカドミウム、電
解液に水酸化カリウム水溶液を用いるもので、約1．２
Ｖの作動電圧を有する。この電池は、内部抵抗が小さく
大電流放電が可能、長サイクル寿命、過充電・過放電に
強い、使用温度範囲が広い等の特徴を持つことから、コ
ンシューマ機器用途を中心として広く用いられている。A nickel cadmium storage battery uses nickel oxyhydroxide as a positive electrode active material, cadmium as a negative electrode active material, and an aqueous solution of potassium hydroxide as an electrolyte.
V operating voltage. This battery is widely used mainly for consumer equipment because it has features such as low internal resistance, capable of discharging large current, long cycle life, strong resistance to overcharging and overdischarging, and wide operating temperature range. .
【０００５】ニッケル水素電池は、正極活物質にオキシ
水酸化ニッケル、負極活物質に水素吸蔵合金、電解液に
水酸化カリウム水溶液を用いるもので、作動電圧は約
１．２Ｖである。高エネルギー密度であり、各種コンシ
ューマ機器を中心に実用化されている。A nickel-metal hydride battery uses nickel oxyhydroxide as a positive electrode active material, a hydrogen storage alloy as a negative electrode active material, and an aqueous solution of potassium hydroxide as an electrolytic solution. The operating voltage is about 1.2V. It has a high energy density and has been put to practical use mainly in various consumer devices.
【０００６】酸化銀亜鉛電池は、正極活物質に酸化銀、
負極活物質に亜鉛、電解液に水酸化カリウムを用いるも
のである。高出力、高エネルギー密度を有する反面、高
価ということから大型のものは宇宙用や深海用としての
用途が主であるが、小型のものは時計用や電卓用として
広く普及している。[0006] A silver zinc oxide battery uses silver oxide as a positive electrode active material,
It uses zinc as the negative electrode active material and potassium hydroxide as the electrolyte. While having high output and high energy density, large ones are mainly used for space and deep sea because of their high cost, while small ones are widely used for watches and calculators.
【０００７】リチウムイオン電池は、正極活物質にＬｉ
ＣｏＯ2、ＬｉＮｉＯ2、ＬｉＭｎ2Ｏ4等のＬｉ金属複合
酸化物、負極に炭素質材料、電解液に有機溶液を使用し
たもので、３Ｖ台の作動電圧を有している。高作動電
圧、高エネルギー密度、メモリー効果がない等の利点か
ら、コンシューマ用として急速に用途が拡大している。[0007] Lithium ion batteries use Li as a positive electrode active material.
It uses a Li metal composite oxide such as CoO 2 , LiNiO 2 , and LiMn 2 O 4 , a carbonaceous material for the negative electrode, and an organic solution for the electrolyte, and has an operating voltage on the order of 3V. Due to advantages such as high operating voltage, high energy density, and no memory effect, applications for consumer use are rapidly expanding.
【０００８】上述のような実用二次電池は、用途に応じ
て角形、円筒形、ボタン形、シート形等の形で提供され
る。[0008] The above-mentioned practical secondary batteries are provided in the form of a prism, a cylinder, a button, a sheet or the like depending on the application.
【０００９】円筒形二次電池は、周知の通り、薄型の正
極板と負極板とをセパレータを介して渦巻状に巻いた極
板群を有底円筒形電池容器に収納したものである。As is well known, a cylindrical secondary battery is one in which a thin positive electrode plate and a negative electrode plate are spirally wound via a separator and housed in a bottomed cylindrical battery container.
【００１０】円筒形二次電池の集電方法は各種あるが、
例えば、図１（特開昭６２−２４３２４５号）や図２
（特開昭６０−１０５１６６号）のように、渦巻状極板
群１の一方の端面２に極板基体の縁部を突出させ、その
縁部に円盤状や分岐板状の集電部材を接続する方式のも
のがある。また、前記のような集電部材を用いるものと
は別に、リードを正負極板基体に各１本づつ取り付け、
これを各々別の端面側２ａ、２ｂに導出するもの（図
３、実開昭５６−１３５６６２号）もある。There are various methods for collecting current of a cylindrical secondary battery.
For example, FIG. 1 (Japanese Patent Laid-Open No. 62-243245) and FIG.
As shown in JP-A-60-105166, an edge of an electrode plate base is protruded from one end face 2 of a spiral electrode plate group 1 and a disk-shaped or branched plate-shaped current collector is provided at the edge. Some are connected. Also, separately from the above-mentioned one using the current collecting member, one lead is attached to each of the positive and negative electrode plate bases,
There is also one that leads this to separate end surfaces 2a and 2b (FIG. 3, Japanese Utility Model Application Laid-Open No. 56-135662).
【００１１】上記の例は、何れも円筒形二次電池容器の
一端面（蓋部）に正極端子を配し、電池容器を負極端子
とする、もしくはこの逆としているが、用途によって
は、図４に示すように、円筒形二次電池の一端面に正負
両端子３ａ、３ｂを突出させるものもある。このような
場合は、図５のように渦巻状極板群１の一端面２に複数
の正負リードを設けたり（特開平１０−１７２５３４
号）、図６のように半円状の集電部材を配したりしてい
る（特開平８−２２８２８号）。尚、図６の４ａ、４ｂ
は、所謂、正負極柱であり、電池の端子（図４の３ａ、
３ｂ）となる。In each of the above examples, the positive electrode terminal is disposed on one end surface (lid portion) of the cylindrical secondary battery container, and the battery container is used as the negative electrode terminal, or vice versa. As shown in FIG. 4, there is also a type in which both positive and negative terminals 3a and 3b protrude from one end surface of a cylindrical secondary battery. In such a case, as shown in FIG. 5, a plurality of positive and negative leads are provided on one end face 2 of the spiral electrode group 1 (Japanese Patent Laid-Open No. 10-172534).
), And a semi-circular current collecting member is arranged as shown in FIG. 6 (Japanese Patent Application Laid-Open No. 8-22828). In addition, 4a, 4b of FIG.
Are so-called positive and negative poles, and terminals of the battery (3a in FIG. 4,
3b).
【００１２】[0012]
【発明が解決しようとする課題】上記従来技術の場合は
極板耳のない極板基体を用いているが、図７のように、
縁部に突出部（いわゆる極板耳６）を設けた極板基体５
を用い、渦巻状極板群１の同一端面２に各１群の正負極
板耳群を配し、同一極板耳群をストラップ（図示せず）
で接続する方法がある。尚、５ａ、５ｂはそれぞれ正極
基体、６a、６ｂはそれぞれ正極基体に設けられた極板
耳、負極基体に設けられた極板耳である。In the case of the above prior art, an electrode plate base without an electrode plate ear is used, but as shown in FIG.
Electrode plate base 5 provided with a protruding portion (so-called electrode lug 6) at the edge
, A group of positive and negative electrode lugs is arranged on the same end face 2 of the spiral electrode group 1, and the same lug is strapped (not shown).
There is a way to connect. Reference numerals 5a and 5b denote positive electrode substrates, 6a and 6b denote electrode lugs provided on the positive electrode substrate and electrode lugs provided on the negative electrode substrate, respectively.
【００１３】ところが、極板耳群をストラップで接続す
る従来のものにおいては、正負の電極耳群はそれぞれ１
つであったため、必ずしも集電効率がよくなく、円筒形
二次電池にしばしば要求されるハイレート性能がよくな
いという問題や、渦巻中心から外側部分の極板耳は集電
する電極面積が広いため、抵抗が大きく、活物質の利用
率が悪いという問題もあった。本発明はこのような課題
を解決するために成されたものであり、その目的は、電
池性能に優れた円筒形二次電池を提供することである。However, in the prior art in which the electrode lugs are connected by straps, the positive and negative electrode lugs are each 1
The problem is that the current collection efficiency is not always good, and the high-rate performance often required for cylindrical secondary batteries is not good. However, there is also a problem that the resistance is high and the utilization rate of the active material is poor. The present invention has been made to solve such a problem, and an object of the present invention is to provide a cylindrical secondary battery having excellent battery performance.
【００１４】[0014]
【課題を解決するための手段】請求項１記載の発明は、
正負極板をセパレータを介して渦巻き状に巻回した渦巻
状極板群を備えた円筒形二次電池において、前記正負電
極は、複数の極板耳を有する極板基体と極板基体に保持
された活物質とを備えたものであり、前記極板耳は、渦
巻状極板群の同一端面側にあるとともに、少なくとも正
負何れかの極板の極板耳は２群以上に配設されたもので
あることを特徴とする円筒形二次電池である。According to the first aspect of the present invention,
In a cylindrical secondary battery including a spirally wound electrode plate group in which a positive and negative electrode plate is spirally wound via a separator, the positive and negative electrodes are held by an electrode plate base having a plurality of electrode lugs and an electrode plate base. The electrode lugs are on the same end face side of the spiral electrode group, and at least one of the positive and negative electrode lugs is arranged in two or more groups. A cylindrical secondary battery characterized by the following.
【００１５】請求項２記載の発明は、前記円筒形二次電
池において、同一極性の極板耳を接続するためのストラ
ップと、前記ストラップが接続された極柱とを備えたこ
とを特徴とするものである。According to a second aspect of the present invention, in the cylindrical secondary battery, a strap for connecting pole lugs of the same polarity and an pole to which the strap is connected are provided. Things.
【００１６】請求項３記載の発明は、前記円筒形二次電
池において、正負極板とも極板耳が2群であることを特
徴とするものである。According to a third aspect of the present invention, in the cylindrical secondary battery, the positive electrode plate and the negative electrode plate have two groups of electrode lugs.
【００１７】請求項４記載の発明は、前記円筒形二次電
池において、正極活物質が二酸化鉛、負極活物質が鉛、
極板基体が鉛もしくは鉛合金であることを特徴とするも
のである。According to a fourth aspect of the present invention, in the cylindrical secondary battery, the positive electrode active material is lead dioxide, the negative electrode active material is lead,
The electrode plate base is made of lead or a lead alloy.
【００１８】[0018]
【発明の実施の形態】極板耳６を備えた渦巻状極板群１
では、図８（Ａ）のごとく、極板耳６がランダムに配置
されていたのでは集電部材やストラップとの接続性が悪
いことから、図８（Ｂ）の如く同列状に配置される（こ
れらの図では、一方の極板のみを示す）。本発明では、
この配列を持って１群と称し、２群に配置するとは、例
えば、図９の様に配することを意味している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A spiral electrode group 1 having electrode lugs 6.
In this case, if the electrode lugs 6 are randomly arranged as shown in FIG. 8 (A), the connectivity with the current collecting member or the strap is poor, and therefore, they are arranged in the same row as shown in FIG. 8 (B). (In these figures, only one electrode is shown). In the present invention,
Having this arrangement is referred to as a first group, and being arranged in the second group means, for example, being arranged as shown in FIG.
【００１９】しかしながら、１群の配列は、必ずしも渦
巻中心から外側に一列に配置されている必要はなく、ス
トラップ配置の模式平面図である図１１に示すような形
態に合せて、適宜配置することができる。However, it is not always necessary for the group of arrays to be arranged in a line outward from the center of the spiral, but to be arranged as appropriate in accordance with the form shown in FIG. 11 which is a schematic plan view of the strap arrangement. Can be.
【００２０】また、適宜、３群に配することもでき、そ
れに合せてストラップも複数形成することができる。
図１１（Ａ）〜（Ｅ）は正負の極板耳がそれそれ２群に
配された渦巻状極板群に相当するもので、各々のストラ
ップは２づつ形成されている。Further, the straps can be arranged in three groups as appropriate, and a plurality of straps can be formed correspondingly.
FIGS. 11A to 11E correspond to spiral electrode groups in which positive and negative electrode lugs are arranged in two groups, respectively, and two straps are formed.
【００２１】また、図１１の（Ｆ）は正負の極板耳がそ
れそれ３群に配された渦巻状極板群に相当するもので、
各々のストラップは３つづつ形成されている。尚、４ａ
は正極柱、４ｂは負極柱、７ａは正極ストラップ、７ｂ
は負極ストラップである。FIG. 11F shows a spiral electrode group in which positive and negative electrode lugs are arranged in three groups.
Each strap is formed three by three. 4a
Is a positive pole, 4b is a negative pole, 7a is a positive strap, 7b
Is a negative electrode strap.
【００２２】本発明によれば、極板耳を有する渦巻式板
群において、複数の極耳群を設けることにより集電抵抗
を減少させ、もってハイレート特性を改善するともに、
渦巻式板群の外側に位置する電極活物質の利用率も改善
し、もって性能の優れた円筒形二次電池を提供すること
ができる。According to the present invention, in a spiral plate group having pole lugs, a plurality of pole lugs are provided to reduce current collection resistance and thereby improve high-rate characteristics,
The utilization rate of the electrode active material located outside the spiral plate group is also improved, so that a cylindrical secondary battery having excellent performance can be provided.
【００２３】[0023]
【実施例】以下に、公称容量５Ａｈの円筒形鉛蓄電池で
の実施例を示す。まず、厚さ０．６ｍｍの鉛合金箔を用
いて、幅８０ｍｍ×長さ５００ｍｍの極板基体を打ち抜
きにより作成した。尚、鉛合金の代わりに鉛を用いても
よい。極板基体の種類は、極板耳数が正負極とも３の従
来品、極板耳数が正負極とも６とし、配列形態が図１１
（Ｂ）となるようにした実施例１、極板耳数が正負極と
も９とし、配置形態が図１１（Ｆ）となるようにした実
施例２である。尚、極板耳間隔は、極板やセパレータの
厚さや長さから、通常の電池設計手法に従って適宜設定
される。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment using a cylindrical lead-acid battery having a nominal capacity of 5 Ah will be described below. First, an electrode substrate having a width of 80 mm and a length of 500 mm was punched out using a lead alloy foil having a thickness of 0.6 mm. Note that lead may be used instead of a lead alloy. The type of the electrode plate base is a conventional product having three positive and negative electrode ears, and six positive and negative electrode ears.
(B) Example 1 and Example 2 in which the number of pole ears is 9 for both the positive and negative electrodes and the arrangement is as shown in FIG. 11 (F). The interval between the electrode plates is appropriately set based on the thickness and length of the electrode plate and the separator according to a normal battery design technique.
【００２４】上記の各種極板基体を用い、電極を製作し
た。正極は、酸化度７０％（金属鉛３０％、一酸化鉛７
５％）の鉛粉と希硫酸とを混練し活物質ペーストを得た
後、これらを前記電極基体の両面に塗布した。正極の理
論容量は１２Ａｈである。負極は、酸化度７０％（金属
鉛３０％、一酸化鉛７５％）の鉛粉に若干の炭素粉末と
バリウム化合物とリグニンとを添加し希硫酸とを混練し
活物質ペーストを得た後、これらを極板基体の両面に塗
布した。負極の理論容量は１６Ａｈである。これら正負
電極をガラスマットセパレータを介して渦巻状極板群を
得た。Electrodes were manufactured using the above various electrode plate substrates. The positive electrode has an oxidation degree of 70% (metal lead 30%, lead monoxide 7
(5%) lead powder and dilute sulfuric acid were kneaded to obtain an active material paste, which was then applied to both surfaces of the electrode substrate. The theoretical capacity of the positive electrode is 12 Ah. The negative electrode was prepared by adding a small amount of carbon powder, a barium compound and lignin to lead powder having a degree of oxidation of 70% (metal lead 30%, lead monoxide 75%) and kneading dilute sulfuric acid to obtain an active material paste. These were applied to both sides of the electrode plate substrate. The theoretical capacity of the negative electrode is 16 Ah. A spiral electrode group was obtained from these positive and negative electrodes via a glass mat separator.
【００２５】次に、図１１（Ｂ）に示す形状に彫り込ん
だ鋳型に溶融した鉛を注ぎ、これが固化する前に倒置し
た渦巻状極群の極板耳を約1.５ｍｍ浸して接続し、いわ
ゆるＣＯＳ法によりストラップをした。次に、予め鋳造
した極柱をバーナーを用いてストラップに溶接し、極柱
及びストラップを設けた渦巻状極板群を作成した。尚、
ストラップと極柱とを鋳型に一体に彫り込んで、ＣＯＳ
法により製作してもよい。Next, molten lead is poured into a mold engraved in the shape shown in FIG. 11 (B), and before being solidified, the electrode lugs of the spirally wound electrode group are immersed for about 1.5 mm and connected. The strap was strapped by the so-called COS method. Next, the pre-cast pole was welded to the strap using a burner, thereby creating a spiral electrode group provided with the pole and the strap. still,
Engraving the strap and pole into the mold integrally
It may be manufactured by a method.
【００２６】次に、これら渦巻状極板群を樹脂性の円筒
形容器に挿入し封口した後、注液口から所定比重の希硫
酸水溶液を減圧注液し、０．２５ＣＡの定電流で４０時
間電槽化成を行ない、円筒形シール鉛蓄電池を得た。Next, the spirally wound electrode plates are inserted into a cylindrical resin container and sealed, and then a dilute sulfuric acid aqueous solution having a predetermined specific gravity is injected under reduced pressure from an injection port, and the solution is supplied at a constant current of 0.25 CA. A battery case formation was performed for an hour to obtain a cylindrical sealed lead storage battery.
【００２７】これらの円筒形シール鉛蓄電池を、１０Ｃ
Ａで放電した。さらにサイクル寿命を評価するため、１
ＣＡ放電（１．７Ｖ終止電圧）、１ＣＡ定電流×２．４
５Ｖ定電圧充電（１．５時間）の充放電サイクル試験を
行なった。１０ＣＡの放電率で放電試験結果を図１２
に、またサイクル寿命試験結果を図１３に示す。尚、こ
れらの図において、イ、ロ、ハ、それぞれ従来例、実施
例1、実施例２の結果である。これらの結果より、本発明
品のほうが、従来品よりも、ハイレート性能、サイクル
性能ともに改善されていることが分かる。[0027] These cylindrical sealed lead-acid batteries were
A discharged. To further evaluate the cycle life, 1
CA discharge (1.7V end voltage), 1CA constant current x 2.4
A charge / discharge cycle test of 5 V constant voltage charging (1.5 hours) was performed. FIG. 12 shows the discharge test results at a discharge rate of 10 CA.
FIG. 13 shows the results of the cycle life test. In these figures, a, b, and c are the results of the conventional example, the example 1, and the example 2, respectively. From these results, it can be seen that the product of the present invention has improved both high rate performance and cycle performance as compared with the conventional product.
【００２８】なお、上記実施例は正負電極とも複数の極
板耳群を備えた例であるが、正負何れかのみ複数の極板
耳群を備えた構成にした場合においても、当該極板の抵
抗が改善された分、電池性能が改善されることが確認さ
れた。また、上記実施例は円筒形鉛畜電池に関するもの
であるが、同様の効果は、円筒形リチウムイオン二次電
池にや円筒形アルカリ二次電池等においても認められ
た。Although the above embodiment is an example in which both the positive and negative electrodes are provided with a plurality of electrode lugs, even when a configuration is provided in which only one of the positive and negative electrodes is provided with a plurality of electrode lugs, the number of the electrode lugs may be increased. It was confirmed that the battery performance was improved by the improvement in the resistance. In addition, although the above-described embodiment relates to a cylindrical lead-acid battery, the same effect was observed in a cylindrical lithium-ion secondary battery, a cylindrical alkaline secondary battery, and the like.
【００２９】[0029]
【発明の効果】以上の如く、本発明によれば、電極耳を
有する渦巻式板群において、複数の極板耳群を設けるこ
とにより集電抵抗を減少させ、もってハイレート特性を
改善するともに、渦巻式板群の外側に位置する電極活物
質の利用率も改善し、もって性能の優れた円筒形二次電
池を提供することができる。As described above, according to the present invention, in the spiral plate group having electrode lugs, the current collecting resistance is reduced by providing a plurality of pole lugs, thereby improving the high rate characteristics. The utilization rate of the electrode active material located outside the spiral plate group is also improved, so that a cylindrical secondary battery having excellent performance can be provided.
【図１】渦巻状極板群の従来の集電方法を示す模式図で
ある。FIG. 1 is a schematic view showing a conventional current collecting method for a spiral electrode group.
【図２】渦巻状極板群の従来の集電方法を示す模式図で
ある。FIG. 2 is a schematic view showing a conventional current collecting method for a spiral electrode group.
【図３】渦巻状極板群の従来の集電方法を示す模式図で
ある。FIG. 3 is a schematic view showing a conventional current collecting method for a spiral electrode group.
【図４】渦巻状極板群の従来の集電方法を示す模式図で
ある。FIG. 4 is a schematic diagram showing a conventional current collecting method for a spiral electrode group.
【図５】渦巻状極板群の従来の集電方法を示す模式図で
ある。FIG. 5 is a schematic view showing a conventional current collecting method for a spiral electrode group.
【図６】渦渦巻状極板群の従来の集電方法を示す模式図
である。FIG. 6 is a schematic view showing a conventional current collecting method for a spiral electrode group.
【図７】渦巻状極板群を示す模式図である。FIG. 7 is a schematic view showing a spiral electrode group.
【図８】渦巻状極板群を示す模式図である。FIG. 8 is a schematic view showing a spiral electrode group.
【図９】本発明の１実施例にかかる渦巻状極板群を示す
模式図である。FIG. 9 is a schematic diagram showing a spiral electrode group according to one embodiment of the present invention.
【図１０】本発明の実施例を示す模式図である。FIG. 10 is a schematic diagram showing an embodiment of the present invention.
【図１１】本発明の実施例を示す模式図である。FIG. 11 is a schematic diagram showing an embodiment of the present invention.
【図１２】試験結果を示す図である。FIG. 12 is a diagram showing test results.
【図１３】試験結果を示す図である。FIG. 13 is a diagram showing test results.
１ 渦巻状極板群 ２ 渦巻状極板群の端面 ３ 極柱 ５ 極板基体 ６ 極耳 ７ ストラップ DESCRIPTION OF SYMBOLS 1 Spiral electrode group 2 End face of spiral electrode group 3 Electrode 5 Electrode base 6 Electrode 7 Strap
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 5H017 AA01 AS01 EE02 HH05 5H022 AA01 AA18 CC02 CC12 CC15 CC20 CC23 CC24 EE02 5H028 AA01 CC05 CC08 CC10 CC12 CC21 EE01 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5H017 AA01 AS01 EE02 HH05 5H022 AA01 AA18 CC02 CC12 CC15 CC20 CC23 CC24 EE02 5H028 AA01 CC05 CC08 CC10 CC12 CC21 EE01
Claims (4)
渦巻状極板群を備えた円筒形二次電池において、 前記正負極板は、複数の極板耳を有する極板基体と極板
基体に保持された活物質とを備えたものであり、 前記極板耳は、渦巻状極板群の同一端面側にあるととも
に、少なくとも正負何れかの極板の極板耳は２群以上に
配設されたものであることを特徴とする円筒形二次電
池。1. A cylindrical secondary battery comprising a spirally wound electrode plate group in which positive and negative electrode plates are wound with a separator interposed therebetween, wherein the positive and negative electrode plates are an electrode plate base having a plurality of electrode plate lugs and an electrode plate. An active material held by a base, wherein the electrode lugs are on the same end face side of the spiral electrode group, and at least one of the positive and negative electrode lugs is in two or more groups. A cylindrical secondary battery, which is provided.
ップと、前記ストラップが接続された極柱とを備えたこ
とを特徴とする請求項１記載の円筒形二次電池。2. The cylindrical secondary battery according to claim 1, further comprising: a strap for connecting pole lugs having the same polarity; and a pole to which the strap is connected.
徴とする請求項１又は２の円筒形二次電池。3. The cylindrical secondary battery according to claim 1, wherein each of the positive and negative electrodes has two sets of electrode lugs.
極板基体が鉛もしくは鉛合金であることを特徴とする請
求項１、２又は３の円筒形二次電池。4. The method according to claim 1, wherein the positive electrode active material is lead dioxide, the negative electrode active material is lead,
4. The cylindrical secondary battery according to claim 1, wherein the electrode plate base is made of lead or a lead alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34226099A JP2001160384A (en) | 1999-12-01 | 1999-12-01 | Cylindrical secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34226099A JP2001160384A (en) | 1999-12-01 | 1999-12-01 | Cylindrical secondary battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001160384A true JP2001160384A (en) | 2001-06-12 |
Family
ID=18352345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34226099A Pending JP2001160384A (en) | 1999-12-01 | 1999-12-01 | Cylindrical secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001160384A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002157991A (en) * | 2000-11-17 | 2002-05-31 | Japan Storage Battery Co Ltd | Battery |
| WO2005117196A1 (en) * | 2004-05-26 | 2005-12-08 | CHUNG, Hai | Winding type dynamical type lithium-ion. secondary battery |
| WO2006061872A1 (en) * | 2004-12-06 | 2006-06-15 | Shin-Kobe Electric Machinery Co., Ltd. | Tubular lead battery |
| JP5546640B2 (en) * | 2010-09-30 | 2014-07-09 | Ｊｍエナジー株式会社 | Cylindrical power storage device and power storage device apparatus |
| CN114614147A (en) * | 2022-03-16 | 2022-06-10 | 三一技术装备有限公司 | Cylindrical battery and new energy vehicle |
| CN115832456A (en) * | 2022-11-08 | 2023-03-21 | 楚能新能源股份有限公司 | Battery pack and electric automobile |
-
1999
- 1999-12-01 JP JP34226099A patent/JP2001160384A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002157991A (en) * | 2000-11-17 | 2002-05-31 | Japan Storage Battery Co Ltd | Battery |
| US6653013B2 (en) | 2000-11-17 | 2003-11-25 | Japan Storage Battery Co., Ltd. | Current collecting lugs in a cylindrical battery |
| WO2005117196A1 (en) * | 2004-05-26 | 2005-12-08 | CHUNG, Hai | Winding type dynamical type lithium-ion. secondary battery |
| WO2006061872A1 (en) * | 2004-12-06 | 2006-06-15 | Shin-Kobe Electric Machinery Co., Ltd. | Tubular lead battery |
| JP5546640B2 (en) * | 2010-09-30 | 2014-07-09 | Ｊｍエナジー株式会社 | Cylindrical power storage device and power storage device apparatus |
| CN114614147A (en) * | 2022-03-16 | 2022-06-10 | 三一技术装备有限公司 | Cylindrical battery and new energy vehicle |
| CN115832456A (en) * | 2022-11-08 | 2023-03-21 | 楚能新能源股份有限公司 | Battery pack and electric automobile |
| CN115832456B (en) * | 2022-11-08 | 2023-12-19 | 楚能新能源股份有限公司 | Battery pack and electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070054191A1 (en) | Non- aqueous electrolyte secondary battery | |
| CN103872339A (en) | Secondary battery | |
| CN118198677A (en) | Electrode assembly and manufacturing method thereof, battery cell, battery and electrical device | |
| CN120380645A (en) | Battery monomer, battery device and power utilization device | |
| JPH06196169A (en) | Nonaqueous electrolyte secondary battery | |
| JP2001068160A (en) | Flat nonaqueous electrolyte secondary battery | |
| JP2001160384A (en) | Cylindrical secondary battery | |
| Shukla et al. | Electrochemical power sources: 1. Rechargeable batteries | |
| JP2001176455A (en) | Cylindrical secondary battery | |
| JP2001068143A (en) | Flat nonaqueous electrolyte secondary battery | |
| JP4747391B2 (en) | Cylindrical secondary battery | |
| JP2002203592A (en) | Cylindrical secondary battery | |
| JPH06196170A (en) | Non-aqueous electrolyte secondary battery | |
| JP3109559B2 (en) | Chemical formation of sealed alkaline storage batteries. | |
| JP2001143712A5 (en) | ||
| JP3680306B2 (en) | Positive electrode plate for lithium battery and lithium battery | |
| JP2001185200A (en) | Secondary battery with spiral electrode group | |
| JP2730641B2 (en) | Lithium secondary battery | |
| JP2002203590A (en) | Cylindrical secondary battery | |
| JP2002175785A (en) | Cylindrical secondary battery | |
| CN211829022U (en) | Button type lithium ion battery | |
| JP3572831B2 (en) | Battery pack | |
| CN2484649Y (en) | Watch-belt cell group | |
| JP2002203589A (en) | Cylindrical secondary battery | |
| JP4783980B2 (en) | Cylindrical secondary battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20051213 |