JP2001093566A - Cylindrical battery - Google Patents
Cylindrical batteryInfo
- Publication number
- JP2001093566A JP2001093566A JP26780099A JP26780099A JP2001093566A JP 2001093566 A JP2001093566 A JP 2001093566A JP 26780099 A JP26780099 A JP 26780099A JP 26780099 A JP26780099 A JP 26780099A JP 2001093566 A JP2001093566 A JP 2001093566A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical battery
- negative electrode
- hollow pipe
- plate
- positive
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は円筒型電池の改良に
関する。The present invention relates to an improvement in a cylindrical battery.
【０００２】[0002]
【従来の技術】図６は従来の円筒型電池の断面図であ
り、円筒型電池の一例を示す。円筒型電池１００は、そ
れぞれ両面に活物質を塗布した正電極板１０１及び負電
極板１０２と、これらの正・負電極板１０１，１０２の
間に設けたセパレータ１０３，１０３と、正電極板１０
１の上部に当てた正極端子である集電板１０４と、負電
極板１０２の下部に当てた負極端子である集電板１０５
と、正・負電極板１０１，１０２、セパレータ１０３，
１０３及び集電板１０４，１０５を収納する導電性のあ
るケース１０６と、このケース１０６の底部にこれら正
・負電極板１０１，１０２、セパレータ１０３，１０３
及び集電板１０４，１０５を押し付ける導電板１０７
と、ケース１０６の開口部に導電板１０７とともにガス
ケット１０８を介してかしめた蓋１０９と、ケース１０
６内に注入した電解液１１１とからなる。すなわち、正
・負極板の未塗装部分に正・負極端子を当てた構造の円
筒型電池である。上記技術は、集電板１０５に負電極板
１０２を押当て、正電極板１０１に集電板１０４を押当
てることで電力を外部へ取出すものである。2. Description of the Related Art FIG. 6 is a sectional view of a conventional cylindrical battery, showing an example of a cylindrical battery. The cylindrical battery 100 includes a positive electrode plate 101 and a negative electrode plate 102 each coated with an active material on both surfaces, separators 103 and 103 provided between the positive and negative electrode plates 101 and 102, and a positive electrode plate 10
1, a current collector plate 104 serving as a positive electrode terminal, and a current collector plate 105 serving as a negative electrode terminal applied to a lower portion of the negative electrode plate 102.
And positive and negative electrode plates 101 and 102, separator 103,
A conductive case 106 for accommodating 103 and current collecting plates 104 and 105, and these positive and negative electrode plates 101 and 102 and separators 103 and 103 are provided on the bottom of the case 106.
And a conductive plate 107 for pressing the current collector plates 104 and 105
A lid 109 which is caulked at the opening of the case 106 with a conductive plate 107 via a gasket 108;
6 and the electrolytic solution 111 injected into the inside. That is, this is a cylindrical battery having a structure in which positive and negative terminals are applied to unpainted portions of positive and negative plates. In the above-described technique, power is extracted to the outside by pressing the negative electrode plate 102 against the current collector 105 and pressing the current collector 104 against the positive electrode plate 101.
【０００３】[0003]
【発明が解決しようとする課題】近年、ハイブリッド
車、電気自動車、電動自転車等の需要により、円筒型電
池に対する更なる電流密度の向上が求められている。し
かし、電流密度を上げるほど、円筒型電池の発熱量が増
加し、円筒型電池を複数個束ねて使用する場合など、例
えば、ファンなどによる強制空冷ををしたとしても、円
筒型電池１００の内部は充分な冷却効果が得られないこ
ともある。すなわち、円筒型電池１００はケース１０６
又は蓋１０９から放熱する構造なので、放熱が充分に行
なわれず、円筒型電池１００の内部温度が著しく上昇す
る。この結果、円筒型電池の性能の劣化を引き起こすこ
ともある。In recent years, demand for hybrid vehicles, electric vehicles, electric bicycles and the like has demanded a further improvement in current density for cylindrical batteries. However, as the current density is increased, the calorific value of the cylindrical battery increases, and even when the cylindrical battery 100 is bundled and used, for example, even if forced air cooling is performed by a fan or the like, the internal May not provide a sufficient cooling effect. That is, the cylindrical battery 100 is
Alternatively, since the heat is dissipated from the lid 109, heat is not sufficiently dissipated, and the internal temperature of the cylindrical battery 100 rises significantly. As a result, the performance of the cylindrical battery may deteriorate.
【０００４】そこで、本発明の目的は、放熱を充分に図
れる構造の円筒型電池を提供することにある。Accordingly, an object of the present invention is to provide a cylindrical battery having a structure capable of sufficiently radiating heat.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に請求項１の円筒型電池は、円筒型電池の芯材を中空材
とし、この中空材の中空部に空気が通過し得るようにし
たことを特徴とする。円筒型電池の芯材を中空材とし、
この中空材の中空部に空気が通過し得るようにして、放
熱効果の促進を図る。According to a first aspect of the present invention, there is provided a cylindrical battery, wherein the core of the cylindrical battery is formed of a hollow material so that air can pass through the hollow portion of the hollow material. It is characterized by having done. The core material of the cylindrical battery is a hollow material,
By allowing air to pass through the hollow portion of the hollow material, the heat radiation effect is promoted.
【０００６】請求項２は、芯材を銅又はアルミニウムと
したことを特徴とする。芯材を銅又はアルミニウムとし
て、芯材に電池内部に熱を伝導させ、放熱効率の向上を
図る。A second aspect is characterized in that the core material is made of copper or aluminum. The core material is made of copper or aluminum, and heat is conducted to the core material inside the battery to improve heat radiation efficiency.
【０００７】[0007]
【発明の実施の形態】本発明の実施の形態を添付図に基
づいて以下に説明する。図１は本発明に係る円筒型電池
の断面図である。円筒型電池１０は、正電極板１１と、
負電極板１２と、これらの正・負電極板１１，１２の間
に設けたセパレータ１３，１３と、正電極板１１の上部
にレーザ溶接した正極端子である集電板１４と、負電極
板１２の下部にレーザ溶接した負極端子である集電板１
５と、正・負電極板１１，１２、セパレータ１３，１３
及び集電板１４，１５を収納する導電性のあるケース１
６と、このケース１６の底１６ａ側に正・負電極板１
１，１２、セパレータ１３，１３及び集電板１４，１５
を押し付けるために配置した導電板１７と、ケース１６
の上部の開口１６ｃに導電板１７とともにガスケット１
８を介してかしめた蓋１９と、ケース１６の底１６ａと
蓋１９との間を貫通させる芯材としての中空パイプ２１
と、この中空パイプ２１の一端とケース１６の底１６ａ
との間に介在させたシール部材２２と、中空パイプ２１
の他端と蓋１９との間に介在させたシール部材２３と、
ケース１６内に注入した電解液２４とからなる。Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a sectional view of a cylindrical battery according to the present invention. The cylindrical battery 10 includes a positive electrode plate 11,
A negative electrode plate 12, separators 13 provided between the positive and negative electrode plates 11, 12; a current collector plate 14 which is a positive electrode terminal which is laser-welded to the upper portion of the positive electrode plate 11; Current collecting plate 1 which is a negative electrode terminal laser-welded to the lower part of 12
5, positive and negative electrode plates 11 and 12, separators 13 and 13
And conductive case 1 for housing current collector plates 14 and 15
6 and the positive / negative electrode plate 1 on the bottom 16a side of the case 16.
1, 12, separators 13, 13 and current collectors 14, 15
A conductive plate 17 arranged to press the
Gasket 1 with conductive plate 17 in opening 16c above
8, a hollow pipe 21 serving as a core material penetrating between the bottom 16a of the case 16 and the lid 19.
And one end of the hollow pipe 21 and the bottom 16a of the case 16.
Between the sealing member 22 and the hollow pipe 21
A sealing member 23 interposed between the other end of the
And the electrolytic solution 24 injected into the case 16.
【０００８】ここで、１１ｃは正電極板１１を集電板１
４に突き当てる突き当て部、１２ｃは負電極板１２を集
電板１５に突き当てる突き当て部、２５は正電極板１
１、負電極板１２及びセパレータ１３，１３を組合わせ
た電極アッセンブリ、２１ａは中空パイプ２１の内側に
位置する中空部２１ａである。Here, reference numeral 11c denotes the positive electrode plate 11
4, a contact portion 12 c for contacting the negative electrode plate 12 with the current collector plate 15, and a contact portion 25 for the positive electrode plate 1.
1, an electrode assembly in which the negative electrode plate 12 and the separators 13 and 13 are combined; 21a is a hollow portion 21a located inside the hollow pipe 21;
【０００９】図２は本発明に係る円筒型電池の分解斜視
図である。集電板１４は、略円盤状の導電性部材であ
り、正電極板１１を突き当てレーザ溶接する接合面１４
ａを形成し、この接合面１４ａの中心に中空パイプ２１
を貫通させるための筒部１４ｂを形成し、この筒部１４
ｂの端面を導電板１７で接触させるようにしたものであ
る。集電板１５は、略円盤状の導電性部材であり、負電
極板１２を突き当てレーザ溶接する接合面１５ａを形成
し、この接合面１５ａの中心に中空パイプ２１を貫通さ
せるための貫通孔１５ｂを形成したものである。なお、
接合面１５ａの裏面はケース１６の底１６ａに接触する
ようにしたものである。FIG. 2 is an exploded perspective view of the cylindrical battery according to the present invention. The current collecting plate 14 is a substantially disk-shaped conductive member, and is a joining surface 14 to which the positive electrode plate 11 is abutted and laser-welded.
a, and a hollow pipe 21 is formed at the center of the joining surface 14a.
A cylindrical portion 14b for penetrating the cylindrical portion 14b is formed.
The end face b is brought into contact with the conductive plate 17. The current collector plate 15 is a substantially disc-shaped conductive member, forms a joining surface 15a for abutting the negative electrode plate 12 and performing laser welding, and a through hole for passing the hollow pipe 21 through the center of the joining surface 15a. 15b. In addition,
The back surface of the joining surface 15a is configured to contact the bottom 16a of the case 16.
【００１０】ケース１６は、電池のマイナス極となる底
１６ａから筒部１６ｂを立上げ、この筒部の先端に開口
１６ｃを設けたコップ状の金属部材であり、底１６ａに
集電板１５を接触させる接触部１６ｄを形成し、この接
触部１６ｄの内側に中空パイプ２１を加締める加締め部
１６ｅを形成し、この加締め部１６ｅの中心に貫通孔部
１６ｆを形成したものである。The case 16 is a cup-shaped metal member having a cylindrical portion 16b which rises from a bottom 16a serving as a negative pole of the battery and has an opening 16c at the tip of the cylindrical portion. The current collecting plate 15 is provided on the bottom 16a. A contact portion 16d to be contacted is formed, a caulking portion 16e for caulking the hollow pipe 21 is formed inside the contact portion 16d, and a through-hole portion 16f is formed at the center of the caulking portion 16e.
【００１１】導電板１７は、リング状の弾性金属部材で
あり、外リング１７ａの内側からリップ部１７ｂを延ば
し、リップ部１７ｂの先端に内リング１７ｃを形成した
ものであって、導電板１７は、内リング１７ｃを集電板
１４の筒部１４ｂの端面に当て、外リング１７ａを蓋１
９に当てることで、正電極板１１と蓋１９とを電気的に
繋ぐ部材である。また、内リング１７ｃは、中空パイプ
２１を貫通させるためのリングである。The conductive plate 17 is a ring-shaped elastic metal member. The lip portion 17b is extended from the inside of the outer ring 17a, and the inner ring 17c is formed at the tip of the lip portion 17b. , The inner ring 17c is brought into contact with the end face of the cylindrical portion 14b of the current collector plate 14, and the outer ring 17a is
9 is a member that electrically connects the positive electrode plate 11 and the lid 19. The inner ring 17c is a ring for penetrating the hollow pipe 21.
【００１２】ガスケット１８は、リング状の可撓性部材
であり、導電板１７及び蓋１９をケース１６の開口１６
ｃで加締めるときの絶縁部材であると共に、電解液２４
（図１参照）を封入するためのシール部材でもある。蓋
１９は、略円盤状の金属部材であり、中央に電池のプラ
ス極とするための凸部１９ａを形成し、この凸部１９ａ
に中空パイプ２１を加締める加締め部１９ｂを形成し、
凸部１９ａの中心に貫通孔部１９ｃを形成したものであ
る。The gasket 18 is a ring-shaped flexible member.
c is an insulating member for caulking, and the electrolyte 24
(See FIG. 1). The lid 19 is a substantially disk-shaped metal member, and has a convex portion 19a formed in the center thereof as a positive electrode of the battery.
A crimping portion 19b for crimping the hollow pipe 21 is formed in
The through hole 19c is formed at the center of the projection 19a.
【００１３】中空パイプ２１は、中空部２１ａを有する
金属性のパイプであり、一端にシール部材２２を介して
底１６ａの加締め部１６ｅに結合する拡径部２１ｂを形
成し、他端にシール部材２３を介して蓋１９の凸部１９
ａに結合する拡径部２１ｃを形成し、これらの拡径部２
１ｂ，２１ｃの間に絶縁チューブ２１ｄを被せたもので
ある。また、中空パイプ２１は、銅又はアルミニウム、
銅又はアルミニウムの合金で形成したものが好適であ
る。すなわち、銅又はアルミニウム、銅又はアルミニウ
ムの合金で形成したので、中空パイプ２１に内部の熱を
伝導させることができ、さらに放熱効率の向上を図るこ
とができる。シール部材２３は、略円筒状を呈した可撓
性部材であり、導電板１７及び蓋１９の絶縁部材である
と共に電解液２４（図１参照）を封入するためのシール
部材でもある。なお、シール部材２２は、シール部材２
３と同一の部材である。The hollow pipe 21 is a metallic pipe having a hollow portion 21a. An enlarged diameter portion 21b is formed at one end of the hollow pipe 21 to be connected to a caulked portion 16e of the bottom 16a via a sealing member 22. The convex portion 19 of the lid 19 via the member 23
a to form a large-diameter portion 21c connected to
An insulating tube 21d is placed between 1b and 21c. The hollow pipe 21 is made of copper or aluminum,
Those formed from an alloy of copper or aluminum are preferred. That is, since the hollow pipe 21 is formed of copper or aluminum, or an alloy of copper or aluminum, internal heat can be conducted to the hollow pipe 21 and the heat radiation efficiency can be further improved. The seal member 23 is a flexible member having a substantially cylindrical shape, is an insulating member for the conductive plate 17 and the lid 19, and is a seal member for enclosing the electrolytic solution 24 (see FIG. 1). The seal member 22 is a seal member 2
3 is the same member.
【００１４】図３は本発明に係る円筒型電池の電極アッ
センブリの説明図である。正電極板１１は、正電極箔１
１ａの一辺を除いて、活物質１１ｂを塗布したものであ
り、図１に示す集電板１４にレーザ溶接するときの突き
当て部１１ｃとなる未塗装部分１１ｄ，１１ｄ（裏側の
１１ｄは不図示）は、正電極板１１の上部一辺に一定の
幅に確保したものである。FIG. 3 is an explanatory view of the electrode assembly of the cylindrical battery according to the present invention. The positive electrode plate 11 is a positive electrode foil 1
Except for one side of 1a, the active material 11b is applied, and unpainted portions 11d, 11d serving as abutting portions 11c when laser welding to the current collector plate 14 shown in FIG. ) Is one that has a fixed width on one side of the upper part of the positive electrode plate 11.
【００１５】負電極板１２は、負電極箔１２ａの一辺を
除いて、活物質１２ｂを塗布したものであり、図１に示
す集電板１５にレーザ溶接するときの突き当て部１２ｃ
となる未塗装部分１２ｄ，１２ｄ（裏側の１２ｄは不図
示）は、負電極板１２の下部一辺に一定の幅に確保した
ものである。これらの未塗装部分１１ｄ，１１ｄ，１２
ｄ，１２ｄは、活物質１１ｂ，１２ｂを塗布した部分に
比べて導電性がよい。The negative electrode plate 12 is formed by applying an active material 12b except for one side of the negative electrode foil 12a, and abutting portions 12c for laser welding to the current collector plate 15 shown in FIG.
The unpainted portions 12d, 12d (the back 12d is not shown) are provided at a fixed width on one side of the lower portion of the negative electrode plate 12. These unpainted portions 11d, 11d, 12
d and 12d have better conductivity than the portions where the active materials 11b and 12b are applied.
【００１６】これらの正電極板１１及び負電極板１２
を、セパレータ１３を介して活物質１１ｂ，１２ｂ部分
が重なるように巻き、未塗装部分１１ｄ，１２ｄをロー
ル状の電極アセンブリ２５の端部から突出させ、ケース
１６（図２参照）に収納する。The positive electrode plate 11 and the negative electrode plate 12
Are wound so that the active materials 11b and 12b overlap each other with the separator 13 interposed therebetween, and the unpainted portions 11d and 12d are projected from the end of the roll-shaped electrode assembly 25, and are housed in the case 16 (see FIG. 2).
【００１７】すなわち、正・負電極板１１，１２を重ね
てロール状の電極アセンブリ２５にしたことで、電極ア
センブリ２５の端部に集電板１４，１５（図１参照）を
均等に接触させてからレーザ溶接ができるため、レーザ
溶接による結合をより確実にすることができ、正・負電
極板１１，１２と集電板１４，１５との結合部分の電気
抵抗をより小さくすることができる。従って、円筒型電
池１０（図１参照）の内部抵抗をより小さくすることが
できる。That is, since the positive and negative electrode plates 11 and 12 are overlapped to form a roll-shaped electrode assembly 25, the current collector plates 14 and 15 (see FIG. 1) are brought into uniform contact with the ends of the electrode assembly 25. Since the laser welding can be performed afterwards, the connection by the laser welding can be more surely performed, and the electric resistance of the connection portion between the positive / negative electrode plates 11 and 12 and the current collector plates 14 and 15 can be further reduced. . Therefore, the internal resistance of the cylindrical battery 10 (see FIG. 1) can be further reduced.
【００１８】以上に述べた円筒型電池１０の製造フロー
を次に説明する。図４は本発明に係る円筒型電池の組立
工程のフローチャートであり、その一例を示す。なお、
ＳＴ××はステップ番号を示す（符号は図１及び図３参
照）。 ＳＴ０１：正・負電極板１１，１２用の活物質１１ｂ，
１２ｂを混練する。 ＳＴ０２：ＳＴ０１で混練した活物質１１ｂ，１２ｂを
スラリー状にし、正・負電極箔１１ａ，１２ａに塗布す
る。ただし、前述の未塗装部分１１ｄ，１２ｄを設け
る。The manufacturing flow of the above-described cylindrical battery 10 will be described below. FIG. 4 is a flowchart of an assembling process of the cylindrical battery according to the present invention, an example of which is shown. In addition,
STxx indicates a step number (reference numerals refer to FIGS. 1 and 3). ST01: Active material 11b for positive / negative electrode plates 11, 12
12b is kneaded. ST02: The active materials 11b and 12b kneaded in ST01 are made into a slurry and applied to the positive and negative electrode foils 11a and 12a. However, the above-mentioned unpainted portions 11d and 12d are provided.
【００１９】ＳＴ０３：正・負電極板１１，１２を正規
寸法にカットする。 ＳＴ０４：正・負電極板１１，１２をプレスして、活物
質１１ｂ，１２ｂを含めた厚さを一定にする。 ＳＴ０５：正・負電極板１１，１２を巻き取り、電極ア
センブリ２５を作製する。 ＳＴ０６：負電極板１２に集電板１５をレーザ溶接す
る。 ＳＴ０７：ケース１６に中空パイプ２１の一端を加締め
る。詳細には、ケース１６の底１６ａに形成した加締め
部１６ｅにシール部材２２を介して中空パイプ２１の拡
径部２１ｂを加締める。 ＳＴ０８：電極アセンブリ２５及び集電板１５を中空パ
イプ２１を貫通させてケース１６に挿入する。ST03: The positive and negative electrode plates 11, 12 are cut to regular dimensions. ST04: The positive and negative electrode plates 11, 12 are pressed to make the thickness including the active materials 11b, 12b constant. ST05: The positive / negative electrode plates 11 and 12 are wound up to produce an electrode assembly 25. ST06: The current collecting plate 15 is laser-welded to the negative electrode plate 12. ST07: One end of the hollow pipe 21 is crimped to the case 16. Specifically, the enlarged diameter portion 21b of the hollow pipe 21 is swaged via the seal member 22 to the swaged portion 16e formed on the bottom 16a of the case 16. ST08: Insert the electrode assembly 25 and the current collector plate 15 into the case 16 through the hollow pipe 21.
【００２０】ＳＴ０９：ケース１６に集電板１５をレー
ザ溶接する。 ＳＴ１０：ケース１６内に電解液２４を注入する。 ＳＴ１１：中空パイプ２１を貫通させて集電板１４をセ
ットし、正電極板１１に集電板１４をレーザ溶接する。 ＳＴ１２：中空パイプ２１を貫通させて、ケース１６内
にガスケット１８を介して導電板１７及び蓋１９を挿入
する。 ＳＴ１３：ケース１６に導電板１７及び蓋１９を加締め
る。 ＳＴ１４：蓋１９に中空パイプ２１の他端を加締める。
詳細には、蓋１９の凸部１９ａに形成した加締め部１９
ｂにシール部材２３を介して中空パイプ２１の拡径部２
１ｃを加締める。ST09: The current collecting plate 15 is laser-welded to the case 16. ST10: The electrolytic solution 24 is injected into the case 16. ST11: The current collector 14 is set through the hollow pipe 21, and the current collector 14 is laser-welded to the positive electrode plate 11. ST12: The conductive plate 17 and the lid 19 are inserted through the hollow pipe 21 into the case 16 via the gasket 18. ST13: The conductive plate 17 and the lid 19 are crimped to the case 16. ST14: The other end of the hollow pipe 21 is swaged to the lid 19.
Specifically, the crimping portion 19 formed on the convex portion 19a of the lid 19
b, the enlarged diameter portion 2 of the hollow pipe 21 via the sealing member 23
Tighten 1c.
【００２１】次に本発明に係る円筒型電池の作用を説明
する。図５（ａ），（ｂ）は本発明に係る円筒型電池の
作用説明図である。なお、（ａ）は比較例を示し、
（ｂ）は実施例を示す。（ａ）において、円筒型電池１
００は、熱Ｑ１・・・が矢印の如く、ケース１０６又は蓋
１０９を経由して放熱する。従って、円筒型電池１００
の内部の熱を充分に放熱することはできず、円筒型電池
１００の内部温度が著しく上昇し、円筒型電池の劣化を
招く虞れがある。Next, the operation of the cylindrical battery according to the present invention will be described. FIGS. 5 (a) and 5 (b) are explanatory diagrams of the operation of the cylindrical battery according to the present invention. (A) shows a comparative example,
(B) shows an embodiment. In (a), the cylindrical battery 1
00 radiates heat Q1... Through the case 106 or the lid 109 as indicated by arrows. Therefore, the cylindrical battery 100
Cannot sufficiently dissipate the heat inside, and the internal temperature of the cylindrical battery 100 may significantly increase, possibly leading to deterioration of the cylindrical battery.
【００２２】（ｂ）において、円筒型電池１０は、熱Ｑ
２・・・が矢印の如く、ケース１６又は蓋１９を経由して
放熱すると共に熱Ｑ３・・・が矢印の如く、中空パイプ２
１を経由して放熱することができる。すなわち、円筒型
電池１０の中心に中空パイプ２１を配置し、この中空パ
イプ２１の中空部２１ａに空気が通過し得るようにした
ので、放熱効果の促進を図ることができ、円筒型電池１
０の性能の劣化を防止することができる。In (b), the cylindrical battery 10 has a heat Q
.. Radiate heat through the case 16 or the lid 19 as indicated by an arrow, and the heat Q3.
1 can be dissipated. That is, since the hollow pipe 21 is disposed at the center of the cylindrical battery 10 and air can pass through the hollow portion 21a of the hollow pipe 21, the heat radiation effect can be promoted, and the cylindrical battery 1 can be improved.
0 can be prevented from deteriorating.
【００２３】図５（ｂ）では、円筒型電池１０を縦置き
にし、中空パイプ２１を縦にして自然通風を促したが、
例えば、ファンなどでの強制通風が期待できるときに
は、円筒型電池１０を横置きにし、中空パイプ２１を横
にして使用することもできる。従って、本発明の円筒型
電池の設置姿勢は自由である。In FIG. 5B, the cylindrical battery 10 is placed vertically and the hollow pipe 21 is placed vertically to promote natural ventilation.
For example, when forced ventilation with a fan or the like can be expected, the cylindrical battery 10 can be used horizontally and the hollow pipe 21 can be used horizontally. Therefore, the installation posture of the cylindrical battery of the present invention is free.
【００２４】尚、図１に示すように実施例では、ケース
１６側にシール部材２２を配置し、蓋１９側にシール部
材２３を配置したが、これに限定するものではなく、シ
ール部材２２，２３のどちらか一方を配置したものであ
ってもよい。また、中空部パイプ２１の外周に絶縁チュ
ーブ２１ｄを被せたが、これに限定するものではなく、
絶縁チューブ２１ｄを省略したものであってもよい。In the embodiment, as shown in FIG. 1, the seal member 22 is arranged on the case 16 side and the seal member 23 is arranged on the lid 19 side. However, the present invention is not limited to this. 23 may be arranged. Further, the insulating tube 21d is put on the outer periphery of the hollow pipe 21. However, the present invention is not limited to this.
The insulating tube 21d may be omitted.
【００２５】[0025]
【発明の効果】本発明は上記構成により次の効果を発揮
する。請求項１は、円筒型電池の芯材を中空材とし、こ
の中空材の中空部に空気が通過し得るようにしたので、
放熱効果の促進を図ることができ、円筒型電池の性能の
劣化を防止することができる。According to the present invention, the following effects are exhibited by the above configuration. According to claim 1, the core material of the cylindrical battery is a hollow material, and air can pass through the hollow portion of the hollow material.
The heat dissipation effect can be promoted, and the performance of the cylindrical battery can be prevented from deteriorating.
【００２６】請求項２は、芯材を銅又はアルミニウムと
したので、芯材に電池内部に熱を伝導させることがで
き、さらに放熱効率の向上を図ることができる。In the second aspect, since the core material is made of copper or aluminum, heat can be conducted to the core material inside the battery, and the heat radiation efficiency can be further improved.
【図１】本発明に係る円筒型電池の断面図FIG. 1 is a cross-sectional view of a cylindrical battery according to the present invention.
【図２】本発明に係る円筒型電池の分解斜視図FIG. 2 is an exploded perspective view of the cylindrical battery according to the present invention.
【図３】本発明に係る円筒型電池の電極アッセンブリの
説明図FIG. 3 is an explanatory view of an electrode assembly of a cylindrical battery according to the present invention.
【図４】本発明に係る円筒型電池の組立工程のフローチ
ャートFIG. 4 is a flowchart of an assembly process of the cylindrical battery according to the present invention.
【図５】本発明に係る円筒型電池の作用説明図FIG. 5 is a diagram illustrating the operation of the cylindrical battery according to the present invention.
【図６】従来の円筒型電池の断面図FIG. 6 is a cross-sectional view of a conventional cylindrical battery.
１０…円筒型電池、２１…芯材（中空パイプ）、２１ａ
…中空部。10: cylindrical battery, 21: core material (hollow pipe), 21a
... hollow part.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岡 輝行 埼玉県狭山市新狭山１丁目10番地１ ホン ダエンジニアリング株式会社内 (72)発明者 久保 利行 埼玉県狭山市新狭山１丁目10番地１ ホン ダエンジニアリング株式会社内 (72)発明者 田渕 聡 埼玉県狭山市新狭山１丁目10番地１ ホン ダエンジニアリング株式会社内 (72)発明者 斎藤 安久 埼玉県狭山市新狭山１丁目10番地１ ホン ダエンジニアリング株式会社内 (72)発明者 桑原 虎嗣 埼玉県狭山市新狭山１丁目10番地１ ホン ダエンジニアリング株式会社内 Ｆターム(参考） 5H014 AA07 EE05 5H028 AA06 BB07 CC12 CC17 EE01 5H031 EE01 KK01 KK06 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Teruyuki Oka 1-10-1 Shin-Sayama, Sayama City, Saitama Prefecture Honda Engineering Co., Ltd. (72) Inventor Toshiyuki Kubo 1-1-10 Shin-Sayama, Sayama City, Saitama Prefecture Within da Engineering Co., Ltd. (72) Inventor Satoshi Tabuchi 1-10-1, Shin Sayama, Sayama City, Saitama Prefecture Inside Honda Engineering Co., Ltd. (72) Inventor Yasuhisa Saito 1-10-1, Shin Sayama, Sayama City, Saitama Prefecture Honda Engineering (72) Inventor Toritsu Kuwahara 1-10-1 Shinsayama, Sayama City, Saitama Prefecture Honda Engineering Co., Ltd. F term (reference) 5H014 AA07 EE05 5H028 AA06 BB07 CC12 CC17 EE01 5H031 EE01 KK01 KK06
Claims (2)
空材の中空部に空気が通過し得るようにしたことを特徴
とする円筒型電池。1. A cylindrical battery, wherein the core of the cylindrical battery is a hollow material, and air can pass through the hollow portion of the hollow material.
ことを特徴とする請求項１記載の円筒型電池。2. The cylindrical battery according to claim 1, wherein the core is made of copper or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26780099A JP2001093566A (en) | 1999-09-21 | 1999-09-21 | Cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26780099A JP2001093566A (en) | 1999-09-21 | 1999-09-21 | Cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001093566A true JP2001093566A (en) | 2001-04-06 |
Family
ID=17449781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26780099A Pending JP2001093566A (en) | 1999-09-21 | 1999-09-21 | Cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001093566A (en) |
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| JPWO2005045983A1 (en) * | 2003-11-05 | 2007-11-29 | 株式会社ジーエス・ユアサコーポレーション | battery |
| CN102055007A (en) * | 2010-12-13 | 2011-05-11 | 湖南科力远新能源股份有限公司 | Battery with specific structure and manufacturing method thereof |
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| JP2012529729A (en) * | 2009-06-11 | 2012-11-22 | 珠海銀通新能源有限公司 | Power battery |
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1999
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005045983A1 (en) * | 2003-11-05 | 2007-11-29 | 株式会社ジーエス・ユアサコーポレーション | battery |
| JP5063895B2 (en) * | 2003-11-05 | 2012-10-31 | 株式会社Ｇｓユアサ | battery |
| JP2012529729A (en) * | 2009-06-11 | 2012-11-22 | 珠海銀通新能源有限公司 | Power battery |
| CN102403468A (en) * | 2010-09-16 | 2012-04-04 | 河南科隆集团有限公司 | Battery container with heat-radiating cavity |
| CN102055007A (en) * | 2010-12-13 | 2011-05-11 | 湖南科力远新能源股份有限公司 | Battery with specific structure and manufacturing method thereof |
| JP2016519401A (en) * | 2013-04-09 | 2016-06-30 | コミッサリア タ レネルジー アトミク エ オ エネルジー オルタネイティヴ | Lithium electrochemical storage battery and related battery pack having a casing with improved heat dissipation and manufacturing method |
| EP3499608A1 (en) * | 2017-12-14 | 2019-06-19 | Commissariat à l'Energie Atomique et aux Energies Alternatives | Sub-assembly including a hollow mandrel and a portion of a hollow crossmember forming a terminal for a metal-ion electrochemical storage cell, associated cell |
| FR3075478A1 (en) * | 2017-12-14 | 2019-06-21 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | SUBASSEMBLY INCORPORATING A HOLLOW HANDLE AND A PART OF A HOLLOW TRAINSE FORMING TERMINAL FOR ELECTROCHEMICAL ACCUMULATOR METAL-ION, ACCUMULATOR ASSOCIATED |
| JP2019106376A (en) * | 2017-12-14 | 2019-06-27 | コミッサリア ア レネルジー アトミーク エ オ ゼネルジ ザルタナテイヴ | Sub-assembly integrating hollow mandrel and one portion of hollow bushing forming terminal for metal-ion electrochemical accumulator, and associated accumulator |
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