JP2001332239A - Battery - Google Patents
BatteryInfo
- Publication number
- JP2001332239A JP2001332239A JP2000155249A JP2000155249A JP2001332239A JP 2001332239 A JP2001332239 A JP 2001332239A JP 2000155249 A JP2000155249 A JP 2000155249A JP 2000155249 A JP2000155249 A JP 2000155249A JP 2001332239 A JP2001332239 A JP 2001332239A
- Authority
- JP
- Japan
- Prior art keywords
- positive electrode
- battery
- plate
- wire
- welded
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、帯状の正極板及び
負極板がセパレータを介して巻回された極板群を電池缶
内に収容する電池に関し、特に、正極板と正極集電板と
の溶接部位を改良した電池に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery for accommodating, in a battery can, an electrode plate group in which a strip-shaped positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween. And a battery having an improved welding portion.
【０００２】[0002]
【従来の技術】ニッケル・カドミウム電池やニッケル・
水素電池などの充電式電池（二次電池）には、円筒形の
ものと角形のものとがある。例えば、円筒形のニッケル
・水素電池は、帯状の正極板と負極板とをセパレータを
介して巻回することにより極板群を形成した後、この極
板群を円筒形の電池缶内に挿入して構成されている。2. Description of the Related Art Nickel-cadmium batteries and nickel-cadmium batteries
Rechargeable batteries (secondary batteries) such as a hydrogen battery include a cylindrical type and a square type. For example, a cylindrical nickel-metal hydride battery forms an electrode group by winding a strip-shaped positive electrode plate and a negative electrode plate through a separator, and then inserts this electrode group into a cylindrical battery can. It is configured.
【０００３】この場合、正極板には、水酸化ニッケルな
どのニッケル化合物の粉末を主体とした正極活物質が塗
布されており、負極板には水素吸蔵合金の粉末を主体と
した負極活物質が塗布されている。前記正極板の一端側
には圧潰部が形成され、その圧潰部に薄板のニッケル箔
が溶着されている。このニッケル箔が、正極端子と導通
している正極集電板に溶接される。In this case, the positive electrode plate is coated with a positive electrode active material mainly composed of a powder of a nickel compound such as nickel hydroxide, and the negative electrode plate is coated with a negative electrode active material mainly composed of a hydrogen storage alloy powder. It has been applied. A crushed portion is formed at one end of the positive electrode plate, and a thin nickel foil is welded to the crushed portion. This nickel foil is welded to the positive electrode current collector plate that is in conduction with the positive electrode terminal.
【０００４】[0004]
【発明が解決しようとする課題】ところで、上記の従来
技術では、図７に示すように、正極板１に溶着されたニ
ッケル箔２の先端部が波状を呈しているため、該ニッケ
ル箔２を正極集電板３に均一に溶接することは極めて困
難なものとなっている。前記ニッケル箔２が箔状である
ためである。この結果、前記ニッケル箔２と前記正極集
電板３とが確実に溶接されることなく、該ニッケル箔２
と該正極集電板３との間に不要な空隙部４が生じてしま
い、溶接不良の原因となる不具合が生じている。In the above-mentioned prior art, as shown in FIG. 7, the tip of the nickel foil 2 welded to the positive electrode plate 1 has a wavy shape. It is extremely difficult to weld uniformly to the positive electrode current collector plate 3. This is because the nickel foil 2 has a foil shape. As a result, the nickel foil 2 and the positive electrode current collector 3 are not reliably welded to each other,
Unnecessary voids 4 are formed between the positive electrode current collector plate 3 and the positive electrode current collector plate 3, causing a defect that causes poor welding.
【０００５】これにより、発熱等が惹起され、かつ、電
池の容量の低下も生じ、所定の性能を有する電池を得る
ことができないという問題が指摘されている。さらに、
前記ニッケル箔２の調達コストは高価であり、ひいて
は、電池の製造コストの高騰を招いている。[0005] As a result, it has been pointed out that heat and the like are caused and the capacity of the battery is reduced, so that a battery having predetermined performance cannot be obtained. further,
The procurement cost of the nickel foil 2 is expensive, and as a result, the production cost of the battery rises.
【０００６】本発明はこのような課題を考慮してなされ
たものであり、正極板と正極集電板との間の溶接不良を
可及的に阻止でき、該溶接不良による電池の容量の低下
を生じることなく所定の性能を有する電池を得ることが
でき、製造コストの低廉化も図ることが可能な電池を提
供することを目的とする。The present invention has been made in view of the above problems, and can prevent welding defects between a positive electrode plate and a positive electrode current collector plate as much as possible, thereby reducing the capacity of a battery due to the welding defects. It is an object of the present invention to provide a battery capable of obtaining a battery having a predetermined performance without causing the problem and reducing the manufacturing cost.
【０００７】[0007]
【課題を解決するための手段】本発明は、帯状の正極板
及び負極板がセパレータを介して巻回された極板群を電
池缶内に収容して構成される電池において、前記正極板
は、幅方向の一端側に形成された圧潰部を除いて正極活
物質が塗布され、前記圧潰部の長手方向に沿って線材が
溶着され、該線材がさらに正極集電板に溶接されている
ことを特徴とする。SUMMARY OF THE INVENTION The present invention relates to a battery comprising a group of electrode plates in which a strip-shaped positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween in a battery can. The positive electrode active material is applied except for a crushed portion formed on one end side in the width direction, a wire is welded along the longitudinal direction of the crushed portion, and the wire is further welded to the positive electrode current collector plate. It is characterized by.
【０００８】これにより、正極板と正極導電板との間が
線接触状態となるため、該正極板と該正極集電板との間
に空隙部を生じることなく、容易かつ均一に該正極板と
該正極導電板とを溶接することができ、該正極板と該正
極集電板との間の溶接不良を可及的に阻止することが可
能となる。従って、溶接不良による電池の容量の低下を
生じることなく、所定の性能を有する電池を得ることが
できる。[0008] As a result, the positive electrode plate and the positive electrode conductive plate are in line contact with each other, so that there is no gap between the positive electrode plate and the positive electrode current collector plate, and the positive electrode plate is easily and uniformly formed. And the positive electrode conductive plate can be welded, and defective welding between the positive electrode plate and the positive electrode current collector plate can be prevented as much as possible. Therefore, a battery having a predetermined performance can be obtained without lowering the capacity of the battery due to poor welding.
【０００９】上述の電池において、断面が円形状の前記
線材を、前記圧潰部の先端より突出させるようにしても
よい。また、前記線材がニッケルワイヤ、又は、鉄線で
あると好適である。素材の調達コストを低減できるとと
もに、電池の製造コストの低廉化を図ることが可能とな
るからである。In the above-described battery, the wire having a circular cross section may be made to protrude from the tip of the crushed portion. Preferably, the wire is a nickel wire or an iron wire. This is because the procurement cost of the material can be reduced, and the manufacturing cost of the battery can be reduced.
【００１０】[0010]
【発明の実施の形態】本発明に係る電池につき、好適な
実施の形態を挙げ、添付の図１〜図６を参照しながら以
下詳細に説明する。なお、この電池は、主に、円筒形の
ニッケル・カドミウム電池やニッケル・水素電池などの
充電式電池（二次電池）に適用されるものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a battery according to the present invention will be described below in detail with reference to FIGS. This battery is mainly applied to a rechargeable battery (secondary battery) such as a cylindrical nickel-cadmium battery or a nickel-metal hydride battery.
【００１１】本実施の形態における電池１０は、図１及
び図２に示すように、有底円筒形状を有する電池缶１２
と、この電池缶１２内に電解液（図示せず）とともに封
入される極板群１４とを備える。極板群１４は、帯状の
正極板１６と帯状の負極板１８とをセパレータ２０ａ及
び２０ｂを介して巻回することにより構成されている。As shown in FIGS. 1 and 2, a battery 10 according to the present embodiment has a battery can 12 having a bottomed cylindrical shape.
And an electrode group 14 enclosed in the battery can 12 together with an electrolytic solution (not shown). The electrode group 14 is configured by winding a strip-shaped positive electrode plate 16 and a strip-shaped negative electrode plate 18 via separators 20a and 20b.
【００１２】正極板１６は、図３Ａ及び図３Ｂに示すよ
うに、例えば、スポンジ状の金属多孔体や金属繊維マッ
トなどの耐アルカリ性の金属多孔構造体（発泡メタル）
２２に、活物質である水酸化ニッケルのようなニッケル
化合物の粉末を主体とし、これとＰＴＦＥのような結合
材と、コバルト酸化物やコバルト水酸化物などのコバル
ト化合物の導電材と、水とを混練した正極活物質２４を
その幅方向の一端側を除いて塗布したものである。As shown in FIGS. 3A and 3B, the positive electrode plate 16 is made of, for example, an alkali-resistant metal porous structure (foam metal) such as a sponge-like porous metal or a metal fiber mat.
22, a nickel compound powder such as nickel hydroxide as an active material is mainly used, a binder such as PTFE, a conductive material of a cobalt compound such as cobalt oxide or cobalt hydroxide, and water. Of the positive electrode active material 24 kneaded except for one end in the width direction.
【００１３】前記正極板１６の長手方向の長さは電池１
本分の長さであり、該正極板１６の前記正極活物質２４
が塗布されていない一端側には、プレス作用により圧潰
された圧潰部２６が設けられている。この圧潰部２６の
先端より突出して、該圧潰部２６に断面形状が円形の線
材２８（例えば、ニッケルワイヤ、鉄線等）を溶着して
おく（図３Ｂ参照）。この場合、前記線材２８の断面形
状は円形に限らず、四角形、或いは、楕円形であっても
よい。The length of the positive electrode plate 16 in the longitudinal direction is equal to that of the battery 1.
Of the positive electrode active material 24 of the positive electrode plate 16.
A crushed portion 26 crushed by a pressing action is provided on one end side where is not applied. A wire 28 (for example, a nickel wire, an iron wire, or the like) having a circular cross section is welded to the crushed portion 26 so as to protrude from the tip of the crushed portion 26 (see FIG. 3B). In this case, the cross-sectional shape of the wire 28 is not limited to a circle, but may be a square or an ellipse.
【００１４】負極板１８は、図４Ａ及び図４Ｂに示すよ
うに、例えば、無数の孔を穿孔したニッケルパンチング
シートなどの集電体シート３０に、水素吸蔵合金の粉末
を主体とし、カルボキシメチルセルロースのような増粘
剤や炭素粉末などの導電剤が配合された負極活物質３２
を塗布したものである。As shown in FIGS. 4A and 4B, the negative electrode plate 18 is formed, for example, on a current collector sheet 30 such as a nickel punched sheet having a number of perforated holes by using a powder of a hydrogen storage alloy as a main component and carboxymethyl cellulose. Active material 32 containing a conductive agent such as a thickener or carbon powder.
Is applied.
【００１５】前記負極板１８の長手方向の長さは、前記
正極板１６と同様に電池１本分の長さであり、その幅方
向の一端側には前記負極活物質３２が塗布されていない
未塗布部位３４が設けられている。The length of the negative electrode plate 18 in the longitudinal direction is the same as that of the positive electrode plate 16 for one battery, and the negative electrode active material 32 is not applied to one end in the width direction. An uncoated portion 34 is provided.
【００１６】極板群１４の終端部は、テープ３５により
巻き止めされており、その上方に突出する正極板１６の
圧潰部２６に溶着された線材２８に爪部３８が形成され
た正極集電板３６が溶接されるとともに、その下方に突
出する負極板１８の未塗布部位３４に負極集電板４０が
溶接される（図１及び図２参照）。The terminal end of the electrode plate group 14 is stopped by a tape 35, and a positive electrode current collector having a claw 38 formed on a wire 28 welded to the crushed portion 26 of the positive electrode plate 16 projecting upward. The plate 36 is welded, and the negative electrode current collector 40 is welded to the uncoated portion 34 of the negative electrode plate 18 projecting downward (see FIGS. 1 and 2).
【００１７】この負極集電板４０は、電池缶１２の内底
部４２に溶接される。なお、負極集電板４０を用いず
に、負極板１８の未塗布部位３４を、直接、電池缶１２
の内底部４２に溶接してもよい。また、前記正極集電板
３６上には絶縁板４４が配置され、前記爪部３８は該絶
縁板４４の端部を貫通している。The negative electrode current collector 40 is welded to the inner bottom 42 of the battery can 12. Note that, without using the negative electrode current collector plate 40, the uncoated portion 34 of the negative electrode plate 18 is directly
May be welded to the inner bottom portion. An insulating plate 44 is disposed on the positive electrode current collecting plate 36, and the claw portion 38 penetrates an end of the insulating plate 44.
【００１８】電池缶１２は、その一端側に開口部４６を
有するとともに、この開口部４６の近傍に位置して環状
溝部４８が形成されている。開口部４６に絶縁のための
ゴム製のガスケット５２を介して正極端子５０が固定さ
れ、この正極端子５０と正極集電板３６とが、該正極集
電板３６に形成された爪部３８を介して電気的に接続さ
れている。前記正極端子５０の上部の略中央部には凸部
５４が設けられ、該凸部５４には防爆用のゴム材５６が
内蔵されている（図１及び図２参照）。The battery can 12 has an opening 46 at one end thereof, and an annular groove 48 is formed near the opening 46. The positive electrode terminal 50 is fixed to the opening 46 via a rubber gasket 52 for insulation. The positive electrode terminal 50 and the positive electrode current collector 36 are connected to the claw 38 formed on the positive electrode current collector 36. Are electrically connected via A convex portion 54 is provided at a substantially central portion of the upper portion of the positive electrode terminal 50, and an explosion-proof rubber material 56 is built in the convex portion 54 (see FIGS. 1 and 2).
【００１９】本実施の形態に係る電池１０は、基本的に
は以上のように構成されるものであり、次にその製造方
法について説明する。The battery 10 according to the present embodiment is basically configured as described above. Next, a method of manufacturing the battery 10 will be described.
【００２０】先ず、正極板１６の圧潰部２６に断面形状
が円形の線材２８が溶着される。このとき、圧潰部２６
の先端よりも線材２８が突出するように該線材２８を溶
着する（図３Ｂ参照）。First, a wire 28 having a circular cross section is welded to the crushed portion 26 of the positive electrode plate 16. At this time, the crushing portion 26
The wire 28 is welded so that the wire 28 protrudes from the tip of the wire (see FIG. 3B).
【００２１】そして、下側からセパレータ２０ａ、負極
板１８、セパレータ２０ｂ及び正極板１６の順に重ね合
わせた状態で巻回して極板群１４が形成され（図５及び
図６中、（ａ）参照）、その巻き端がテープ３５により
巻き止めされる（図１参照）。Then, the electrode group 14 is formed by winding the separator 20a, the negative electrode plate 18, the separator 20b, and the positive electrode plate 16 in this order from the lower side in such a manner that they are superposed on each other, as shown in FIG. ), And its winding end is stopped by the tape 35 (see FIG. 1).
【００２２】その際、図５に示すように、正極板１６の
圧潰部２６が上方に突出する一方、負極板１８の未塗布
部位３４が下方に突出し、且つ、正極活物質２４と負極
活物質３２が幅方向に略一致するように配置されてい
る。このため、図２に示すように、極板群１４は、上端
側に正極板１６の圧潰部２６のみが突出する一方、下端
側に負極板１８の未塗布部位３４のみが突出している。At this time, as shown in FIG. 5, the crushed portion 26 of the positive electrode plate 16 protrudes upward, the uncoated portion 34 of the negative electrode plate 18 protrudes downward, and the positive electrode active material 24 and the negative electrode active material 32 are arranged so as to substantially coincide with each other in the width direction. For this reason, as shown in FIG. 2, in the electrode plate group 14, only the crushed portion 26 of the positive electrode plate 16 protrudes toward the upper end, while only the uncoated portion 34 of the negative electrode plate 18 protrudes toward the lower end.
【００２３】次いで、図２及び図６中、（ｂ）に示すよ
うに、極板群１４の上端、即ち、正極板１６の圧潰部２
６に溶着された線材２８に正極集電板３６が溶接される
一方、この極板群１４の下端、即ち、負極板１８の未塗
布部位３４に負極集電板４０が溶接される。このとき、
上述したように、前記線材２８は前記圧潰部２６の先端
より突出して該圧潰部２６に沿って途切れることなく溶
着しているため、該線材２８と前記正極集電板３６との
間には空隙部を生じることなく確実に線接触状態にあ
る。このため、前記線材２８と前記正極集電板３６との
間の溶接不良を可及的に阻止して溶接が施されることに
なる。Next, as shown in FIG. 2B and FIG. 6B, the upper end of the electrode plate group 14, that is, the crushed portion 2 of the positive electrode plate 16 is formed.
While the positive electrode current collector 36 is welded to the wire 28 welded to 6, the negative electrode current collector 40 is welded to the lower end of the electrode group 14, that is, the uncoated portion 34 of the negative electrode 18. At this time,
As described above, since the wire 28 protrudes from the tip of the crushed portion 26 and is welded along the crushed portion 26 without interruption, a gap is provided between the wire 28 and the positive electrode current collector plate 36. It is in a line contact state without any parts. For this reason, welding is performed while preventing poor welding between the wire rod 28 and the positive electrode current collector plate 36 as much as possible.
【００２４】さらに、図６中、（ｃ）〜（ｅ）に示すよ
うに、正極集電板３６及び負極集電板４０が溶接された
極板群１４が電池缶１２内に挿入され、負極集電板４０
がこの電池缶１２の内底部４２にスポット溶接されると
ともに、絶縁板４４が前記正極集電板３６上に配置され
る。そして、前記電池缶１２の開口部４６の近傍に環状
溝部４８が形成される。Further, as shown in (c) to (e) of FIG. 6, the electrode group 14 to which the positive current collector 36 and the negative current collector 40 are welded is inserted into the battery can 12, and Current collector 40
Is spot-welded to the inner bottom portion 42 of the battery can 12, and an insulating plate 44 is disposed on the positive electrode current collector plate 36. An annular groove 48 is formed near the opening 46 of the battery can 12.
【００２５】その後、前記正極集電板３６に形成された
爪部３８と正極端子５０とが電気的に接続される。この
接続は、例えば、レーザ溶接により行われる（図６中、
（ｆ）参照）。Thereafter, the claw 38 formed on the positive electrode current collector 36 and the positive electrode terminal 50 are electrically connected. This connection is performed by, for example, laser welding (in FIG. 6,
(F)).
【００２６】正極端子５０が爪部３８に溶着された後、
図６中、（ｇ）に示すように、電解液注入手段５８を介
して該電池缶１２内に電解液（図示せず）が注液され
る。その後、前記正極端子５０にはガスケット５２が装
着されるとともに、前記爪部３８を折り込むようにし
て、該ガスケット５２が前記電池缶１２の前記環状溝部
４８を構成する内壁部４８ａに支持されて固定される
（図１及び図６中、（ｈ）参照）。次に、電池缶１２の
開口部４６の端部に封口かしめ処理が施されることによ
り、製品としての電池１０が得られる（図６中、
（ｉ）、（ｊ）参照）。After the positive electrode terminal 50 is welded to the claw portion 38,
In FIG. 6, an electrolyte (not shown) is injected into the battery can 12 via the electrolyte injection means 58 as shown in FIG. Thereafter, a gasket 52 is mounted on the positive electrode terminal 50 and the gasket 52 is supported and fixed to the inner wall portion 48 a constituting the annular groove portion 48 of the battery can 12 so that the claw portion 38 is folded. (See (h) in FIGS. 1 and 6). Next, the end of the opening 46 of the battery can 12 is subjected to a closing caulking process, whereby the battery 10 as a product is obtained.
(See (i) and (j)).
【００２７】本実施の形態では、線材２８が圧潰部２６
の先端より突出してこの圧潰部２６の全長にわたって溶
着されているため、該線材２８と前記正極集電板３６と
の間に空隙部を生じることなく線接触された状態で、該
線材２８を該正極集電板３６に溶接することができる。In the present embodiment, the wire 28 is
And is welded over the entire length of the crushed portion 26 so that the wire 28 is in contact with the wire 28 and the positive electrode current collector plate 36 in a line-contact state without forming a gap. It can be welded to the positive electrode current collector plate 36.
【００２８】従って、前記線材２８と前記正極集電板３
６との間で溶接不良を可及的に阻止することが可能とな
り、溶接不良による電池の容量の低下を生じることな
く、所定の性能を有する電池を得ることができる。Therefore, the wire 28 and the positive electrode current collector 3
6 can be prevented as much as possible, and a battery having a predetermined performance can be obtained without lowering the capacity of the battery due to poor welding.
【００２９】[0029]
【発明の効果】以上説明したように、本発明によれば、
正極板と正極集電板との間の溶接不良を可及的に阻止す
ることにより、該溶接不良による電池の容量の低下を生
じることなく所定の性能を有する電池を得ることがで
き、製造コストの低廉化も図ることができるという特有
の効果が得られる。As described above, according to the present invention,
By preventing welding defects between the positive electrode plate and the positive electrode current collector plate as much as possible, a battery having a predetermined performance can be obtained without lowering the capacity of the battery due to the welding defects, and the manufacturing cost can be reduced. The unique effect that the cost can be reduced can be obtained.
【図１】本実施の形態に係る電池を示す概略縦断面説明
図である。FIG. 1 is a schematic longitudinal sectional view illustrating a battery according to an embodiment.
【図２】前記電池の要部拡大縦断面説明図である。FIG. 2 is an enlarged vertical cross-sectional explanatory view of a main part of the battery.
【図３】図３Ａは本実施の形態における正極板を示す一
部拡大斜視説明図であり、図３Ｂは前記正極板を示す縦
断面説明図である。FIG. 3A is a partially enlarged perspective view illustrating a positive electrode plate according to the present embodiment, and FIG. 3B is a vertical sectional view illustrating the positive electrode plate.
【図４】図４Ａは本実施の形態における負極板を示す一
部拡大斜視説明図であり、図４Ｂは前記負極板を示す縦
断面説明図である。FIG. 4A is a partially enlarged perspective view showing a negative electrode plate in the present embodiment, and FIG. 4B is a longitudinal sectional view showing the negative electrode plate.
【図５】極板群の積層状態を説明する一部省略斜視図で
ある。FIG. 5 is a partially omitted perspective view for explaining a laminated state of the electrode plate group.
【図６】本実施の形態に係る電池を製造する製造方法を
説明するための概略工程図である。FIG. 6 is a schematic process chart for illustrating a method of manufacturing the battery according to the present embodiment.
【図７】従来技術における正極板と正極集電板との溶接
部を示す一部拡大説明図である。FIG. 7 is a partially enlarged explanatory view showing a welded portion between a positive electrode plate and a positive electrode current collector plate in a conventional technique.
１０…電池 １２…電池缶 １４…極板群 １６…正極板 １８…負極板 ２０ａ、２０ｂ…
セパレータ ２４…正極活物質 ２６…圧潰部 ２８…線材 ３２…負極活物質 ３４…未塗布部位 ３６…正極集電板 ４０…負極集電板DESCRIPTION OF SYMBOLS 10 ... Battery 12 ... Battery can 14 ... Electrode group 16 ... Positive electrode 18 ... Negative electrode 20a, 20b ...
Separator 24 Positive electrode active material 26 Crushed part 28 Wire 32 Negative electrode active material 34 Uncoated portion 36 Positive current collector 40 40 Negative current collector
───────────────────────────────────────────────────── フロントページの続き (72)発明者 吉村 隆 大阪府守口市桃町３−12−804 ベンス有 限会社内 Ｆターム(参考） 5H017 AS01 AS10 BB06 BB11 CC25 DD03 HH05 5H022 BB11 BB19 CC08 CC12 CC15 CC19 CC24 CC30 EE03 5H050 AA19 FA08 FA09 GA03 GA07 HA12 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Takashi Yoshimura 3-12-804 Momocho, Moriguchi-shi, Osaka Vence Limited Company F term (reference) 5H017 AS01 AS10 BB06 BB11 CC25 DD03 HH05 5H022 BB11 BB19 CC08 CC12 CC15 CC19 CC24 CC30 EE03 5H050 AA19 FA08 FA09 GA03 GA07 HA12
Claims (4)
して巻回された極板群を電池缶内に収容して構成される
電池において、 前記正極板は、幅方向の一端側に形成された圧潰部を除
いて正極活物質が塗布され、 前記圧潰部の長手方向に沿って線材が溶着され、該線材
がさらに正極集電板に溶接されていることを特徴とする
電池。1. A battery constituted by accommodating an electrode group in which a strip-shaped positive electrode plate and a negative electrode plate are wound via a separator in a battery can, wherein the positive electrode plate is formed on one end side in the width direction. A battery comprising a positive electrode active material applied except for the crushed portion, a wire material welded along a longitudinal direction of the crushed portion, and the wire material further welded to the positive electrode current collector plate.
池。2. The battery according to claim 1, wherein the wire has a circular cross section.
特徴とする電池。3. The battery according to claim 1, wherein the wire protrudes from a tip of the crushed portion.
において、 前記線材は、ニッケルワイヤ、又は、鉄線であることを
特徴とする電池。4. The battery according to claim 1, wherein the wire is a nickel wire or an iron wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000155249A JP2001332239A (en) | 2000-05-25 | 2000-05-25 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000155249A JP2001332239A (en) | 2000-05-25 | 2000-05-25 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001332239A true JP2001332239A (en) | 2001-11-30 |
Family
ID=18660221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000155249A Pending JP2001332239A (en) | 2000-05-25 | 2000-05-25 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001332239A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62127667U (en) * | 1986-02-04 | 1987-08-13 | ||
| JP2000323120A (en) * | 1999-05-14 | 2000-11-24 | Sanyo Electric Co Ltd | Electric energy storage device and manufacture thereof |
| JP2001102030A (en) * | 1999-09-30 | 2001-04-13 | Sanyo Electric Co Ltd | Electric energy accumulation device |
-
2000
- 2000-05-25 JP JP2000155249A patent/JP2001332239A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62127667U (en) * | 1986-02-04 | 1987-08-13 | ||
| JP2000323120A (en) * | 1999-05-14 | 2000-11-24 | Sanyo Electric Co Ltd | Electric energy storage device and manufacture thereof |
| JP2001102030A (en) * | 1999-09-30 | 2001-04-13 | Sanyo Electric Co Ltd | Electric energy accumulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100405873B1 (en) | Laser Sealed Battery | |
| CA2021558C (en) | Wound electrode assembly for an electrochemical cell | |
| CN107248595B (en) | Lithium ion battery | |
| JP2001143684A (en) | Battery and method for manufacturing the same | |
| US6132898A (en) | Battery with a conductive plate | |
| JP2002134157A (en) | Battery and producing method thereof | |
| JP3527586B2 (en) | Manufacturing method of nickel electrode for alkaline storage battery | |
| JP2001023680A (en) | Battery having winding structure electrode body | |
| JPH10270097A (en) | Bipolar charged battery | |
| JPH1083833A (en) | Secondary battery | |
| JPH09161837A (en) | Cylindrical battery | |
| JP2008066048A (en) | Lithium-ion secondary battery | |
| JP2001332239A (en) | Battery | |
| JP5110889B2 (en) | Nickel metal hydride secondary battery | |
| WO1999035701A1 (en) | Zinc based electrochemical cell | |
| JP2000251871A (en) | Alkaline secondary battery | |
| JP2000090965A (en) | Cylindrical alkaline secondary battery | |
| JP4016214B2 (en) | Battery electrode manufacturing method | |
| JP2010061892A (en) | Secondary battery with spirally-rolled electrode group | |
| JP2006100110A (en) | Storage battery | |
| JP2006196207A (en) | Alkaline storage battery and manufacturing method of its electrode group | |
| JP4601911B2 (en) | Alkaline storage battery | |
| JPH11162447A (en) | Cylindrical battery with spiral electrode body and its manufacture | |
| JP2762517B2 (en) | Method of manufacturing spiral electrode group for alkaline battery | |
| KR100502315B1 (en) | Electrode assembly of cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070309 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100126 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100727 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20101130 |