JP2015015082A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2015015082A5 JP2015015082A5 JP2013139558A JP2013139558A JP2015015082A5 JP 2015015082 A5 JP2015015082 A5 JP 2015015082A5 JP 2013139558 A JP2013139558 A JP 2013139558A JP 2013139558 A JP2013139558 A JP 2013139558A JP 2015015082 A5 JP2015015082 A5 JP 2015015082A5
- Authority
- JP
- Japan
- Prior art keywords
- external terminal
- positive
- battery
- assembled battery
- negative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010248 power generation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 5
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- 229910052782 aluminium Inorganic materials 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000875 corresponding Effects 0.000 description 1
Description
本発明の組電池は、開口部を有し正極電極と負極電極とを有する発電要素が収納された電池缶と、電池缶の開口を封口する電池蓋と、電池蓋に設けられた正極外部端子及び負極外部端子とを有し、電池缶の幅広面を対面させて配列された複数の角形二次電池と、隣接する角形二次電池の同極性の正・負極外部端子同士または異極性の正・負極外部端子間に架橋されて正・負極外部端子に接合されるバスバーとを備え、正極外部端子および負極外部端子はバスバーが載置される上面を有するベース部と、該ベース部より上方に突出し、側面にバスバーの当接面を有する突出部を有し、バスバーは、一端及び他端に突出部と当接する当接面を有し、該当接面のいずれか一方はベース部に対して垂直で幅広面に対して傾斜しており、バスバーの当接面は突出部の当接面と平行であり、当接面同士の境界部で接合されている。
本発明の角形二次電池は、開口部および一対の幅広面を有する電池缶と、正極電極および負極電極を有し電池缶内に収納された発電要素と、正極電極に接続された正極外部端子と、負極電極に接続された負極外部端子とが設けられ、電池缶の開口部を封口する蓋とを備え、正極外部端子および負極外部端子の少なくとも一方は、幅広面に対して傾斜する第１の傾斜面を有する第１の突出部と、バスバーが載置される上面を有する第１のベース部とを備え、正極外部端子および負極外部端子の他方は、第２の突出部と、バスバーが載置される上面を有する第２のベース部とを備えている。
The assembled battery of the present invention includes a battery can in which a power generation element having an opening and a positive electrode and a negative electrode is housed, a battery lid for sealing the opening of the battery can, and a positive external terminal provided on the battery lid And a plurality of prismatic secondary batteries arranged with the wide surface of the battery can facing each other, and positive / negative external terminals of the same polarity of adjacent square secondary batteries or positive electrodes of different polarities. A bus bar that is bridged between the negative electrode external terminals and joined to the positive and negative electrode external terminals, and the positive electrode external terminal and the negative electrode external terminal have a base portion having an upper surface on which the bus bar is placed, and above the base portion The bus bar has a projecting portion having a contact surface of the bus bar on the side surface, the bus bar has a contact surface that contacts the projecting portion at one end and the other end, and any one of the corresponding contact surfaces with respect to the base portion Vertical and inclined with respect to the wide surface, bus bar contact Is parallel to the abutment surface of the projecting portion are joined at the boundary between the abutment surface.
The prismatic secondary battery of the present invention includes a battery can having an opening and a pair of wide surfaces, a power generation element having a positive electrode and a negative electrode and housed in the battery can, and a positive external terminal connected to the positive electrode And a negative electrode external terminal connected to the negative electrode, and a lid for sealing the opening of the battery can, wherein at least one of the positive electrode external terminal and the negative electrode external terminal is inclined with respect to the wide surface. includes a first projecting portion having the inclined surface, and a first base portion having an upper surface which busbar is mounted, the other of the positive electrode external terminal and the negative electrode external terminal has a second protrusion, the bus bar And a second base portion having an upper surface on which is mounted.
Claims (15)
隣接する前記角形二次電池の同極性の前記正・負極外部端子同士または異極性の前記正・負極外部端子間に架橋されて前記正・負極外部端子に接合されるバスバーとを備え、
前記正極外部端子および前記負極外部端子は前記バスバーが載置される上面を有するベース部と、該ベース部より上方に突出し、側面に前記バスバーの当接面を有する突出部を有し、
前記バスバーは、一端及び他端に前記突出部と当接する当接面を有し、該当接面のいずれか一方は前記ベース部に対して垂直でかつ前記幅広面に対して傾斜しており、
前記バスバーの当接面は前記突出部の当接面と平行であり、当接面同士の境界部で接合されている、組電池。 A battery can in which a power generation element having an opening and a positive electrode and a negative electrode is housed; a battery lid that seals the opening of the battery can; a positive external terminal and a negative external terminal provided on the battery cover; A plurality of prismatic secondary batteries arranged with the wide surface of the battery can facing each other, and
A bus bar that is bridged between the positive and negative external terminals of the same polarity of adjacent square secondary batteries or between the positive and negative external terminals of different polarity and joined to the positive and negative external terminals;
The positive electrode external terminal and the negative electrode external terminal have a base portion having an upper surface on which the bus bar is placed, a protrusion protruding upward from the base portion, and a protrusion having a contact surface of the bus bar on a side surface,
The bus bar has a contact surface that contacts the protruding portion at one end and the other end, and any one of the contact surfaces is perpendicular to the base portion and inclined with respect to the wide surface,
The assembled battery, wherein the contact surface of the bus bar is parallel to the contact surface of the protruding portion, and is joined at a boundary portion between the contact surfaces.
前記正極外部端子または前記負極外部端子のいずれか一方の前記突出部の側面は、前記ベース部に対して垂直でかつ前記幅広面に対して傾斜した傾斜面を有し、当該傾斜面は前記突出部の当接面と共に先細の先端部を形成する、組電池。 The assembled battery according to claim 1,
A side surface of the protruding portion of either the positive electrode external terminal or the negative electrode external terminal has an inclined surface that is perpendicular to the base portion and is inclined with respect to the wide surface, and the inclined surface is the protruding surface. An assembled battery that forms a tapered tip together with the contact surface of the part.
前記正極外部端子または前記負極外部端子の前記突出部の側面は、それぞれ前記先細の先端部を有し、
前記角形二次電池の各々の設けられた正・負極外部端子の前記ベース部は、それぞれの前記突出部の前記先細の先端部同士が対峙するように配置されている、組電池。 The assembled battery according to claim 2,
Side surfaces of the projecting portions of the positive external terminal or the negative external terminal each have the tapered tip.
The assembled battery, wherein the base portions of the positive and negative external terminals provided in each of the square secondary batteries are arranged so that the tapered tips of the protruding portions face each other.
前記正極外部端子及び前記負極外部端子の前記突出部の側面は、それぞれ前記先細の先端部を有し、
前記角形二次電池の各々の設けられた正・負極外部端子の前記ベース部は、それぞれの前記突出部の前記先細の先端部が互いに反対側を向くように配置されている、組電池。 The assembled battery according to claim 2,
Side surfaces of the projecting portions of the positive electrode external terminal and the negative electrode external terminal each have the tapered tip.
The assembled battery, wherein the base portions of the positive and negative external terminals provided for each of the square secondary batteries are arranged such that the tapered tips of the protruding portions face opposite sides.
前記突出部の当接面と前記傾斜面は、前記電池缶の前記幅広面に平行な線に対し線対称である、組電池。 The assembled battery according to claim 2,
The assembled battery, wherein the contact surface of the protruding portion and the inclined surface are axisymmetric with respect to a line parallel to the wide surface of the battery can.
前記突出部の当接面と前記傾斜面は、前記電池缶の前記幅広面に平行な線に対し非対称である、組電池。 The assembled battery according to claim 2,
The assembled battery in which the contact surface of the protrusion and the inclined surface are asymmetric with respect to a line parallel to the wide surface of the battery can.
前記正極外部端子または前記負極外部端子の他方の前記突出部の側面は、前記電池缶の前記幅広面に対してほぼ平行な突合せ用側面を有する、組電池。 The assembled battery according to claim 2,
The assembled battery, wherein a side surface of the other protruding portion of the positive electrode external terminal or the negative electrode external terminal has a butting side surface substantially parallel to the wide surface of the battery can.
前記正極外部端子と前記負極外部端子の前記突出部のそれぞれは、前記正極外部端子の突出部の中心と前記負極外部端子の突出部の中心とを結ぶ直線に対し線対称である、組電池。 The assembled battery according to claim 3,
Each of the protrusions of the positive electrode external terminal and the negative electrode external terminal is symmetrical with respect to a straight line connecting the center of the protrusion portion of the positive electrode external terminal and the center of the protrusion portion of the negative electrode external terminal.
前記バスバーは、クラッド材により形成されており、前記正極外部端子に溶接される材料と前記負極外部端子に溶接される材料とは異なる材料である、組電池。 The assembled battery according to any one of claims 1 to 9,
The bus bar is formed of a clad material, and the battery pack is a material different from a material welded to the positive external terminal and a material welded to the negative external terminal.
前記バスバーはアルミニウム系金属と銅系金属のクラッド材により形成され、前記正極外部端子はアルミニウ系金属により形成され、前記負極外部端子は銅系金属により形成されている、組電池。 The assembled battery according to claim 10,
The assembled battery, wherein the bus bar is formed of an aluminum-based metal and a copper-based metal clad material, the positive external terminal is formed of an aluminium-based metal, and the negative external terminal is formed of a copper-based metal.
正極電極および負極電極を有し前記電池缶内に収納された発電要素と、
前記正極電極に接続された正極外部端子と、前記負極電極に接続された負極外部端子とが設けられ、前記電池缶の前記開口部を封口する蓋とを備え、
前記正極外部端子および前記負極外部端子の少なくとも一方は、前記幅広面に対して傾斜する第１の傾斜面を有する第１の突出部と、バスバーが載置される上面を有する第１のベース部とを備え、
前記正極外部端子および前記負極外部端子の他方は、側面を有する第２の突出部と、前記バスバーが載置される上面を有する第２のベース部とを備え、
前記第１の突出部の前記第１の傾斜面と、前記第２の突出部の前記側面はバスバーが接合される面である、角形二次電池。 A battery can having an opening and a pair of wide surfaces;
A power generating element having a positive electrode and a negative electrode and housed in the battery can;
A positive electrode external terminal connected to the positive electrode, and a negative electrode external terminal connected to the negative electrode, and a lid for sealing the opening of the battery can,
At least one of the positive external terminal and the negative external terminal has a first protrusion having a first inclined surface inclined with respect to the wide surface, and a first base having an upper surface on which the bus bar is placed. And
The other of the positive electrode external terminal and the negative electrode external terminal includes a second projecting portion having a side surface and a second base portion having an upper surface on which the bus bar is placed,
The prismatic secondary battery, wherein the first inclined surface of the first protrusion and the side surface of the second protrusion are surfaces to which a bus bar is joined.
前記第１の突出部は、前記第１の傾斜面と対向する第２の傾斜面を有し、前記第２の傾斜面は、前記第１の傾斜面と共に先細の先端部を形成し、前記第２の突出部は、第３の傾斜面、前記第３の傾斜面と対向配置され、前記第３の傾斜面と共に先細の先端部を形成する第４の傾斜面を有する、角形二次電池。 The prismatic secondary battery according to claim 12,
The first projecting portion has a second inclined surface facing the first inclined surface, and the second inclined surface forms a tapered tip portion together with the first inclined surface, The second protrusion has a third inclined surface, a fourth inclined surface that is disposed opposite to the third inclined surface, and has a fourth inclined surface that forms a tapered tip portion together with the third inclined surface. .
前記第１の突出部と前記第２の突出部のそれぞれは、前記第１の突出部の中心と前記第２の突出部の中心とを結ぶ直線に対して線対称である、角形二次電池。 The prismatic secondary battery according to claim 13,
Each of the first protrusion and the second protrusion is symmetrical with respect to a straight line connecting the center of the first protrusion and the center of the second protrusion. .
前記第１の突出部と前記第２の突出部のそれぞれは、前記第１の突出部の中心と前記第２の突出部の中心とを結ぶ直線に対して非対称である、角形二次電池。
The prismatic secondary battery according to claim 13,
Each of the first projecting portion and the second projecting portion is a prismatic secondary battery that is asymmetric with respect to a straight line connecting the center of the first projecting portion and the center of the second projecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013139558A JP6153789B2 (en) | 2013-07-03 | 2013-07-03 | Battery pack and prismatic secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013139558A JP6153789B2 (en) | 2013-07-03 | 2013-07-03 | Battery pack and prismatic secondary battery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015015082A JP2015015082A (en) | 2015-01-22 |
| JP2015015082A5 true JP2015015082A5 (en) | 2016-07-14 |
| JP6153789B2 JP6153789B2 (en) | 2017-06-28 |
Family
ID=52436706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013139558A Expired - Fee Related JP6153789B2 (en) | 2013-07-03 | 2013-07-03 | Battery pack and prismatic secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6153789B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11158911B2 (en) | 2016-05-31 | 2021-10-26 | Panasonic Intellectual Property Management Co., Ltd. | Terminal connection structure, battery stack body, and method for forming terminal connection structure |
| CN116053712A (en) * | 2018-03-28 | 2023-05-02 | 松下知识产权经营株式会社 | Bus bar |
| CN209045657U (en) | 2018-12-26 | 2019-06-28 | 宁德时代新能源科技股份有限公司 | Battery modules |
| JP7393394B2 (en) * | 2021-08-06 | 2023-12-06 | 矢崎総業株式会社 | Bus bar |
| JP2023034936A (en) * | 2021-08-31 | 2023-03-13 | プライムプラネットエナジー＆ソリューションズ株式会社 | power storage device |
| CN114497902A (en) * | 2021-12-31 | 2022-05-13 | 美的集团(上海)有限公司 | Battery pack and bus bar thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100627294B1 (en) * | 2004-10-28 | 2006-09-25 | 삼성에스디아이 주식회사 | Secondary Battery Module |
| JP5528746B2 (en) * | 2009-09-11 | 2014-06-25 | 三洋電機株式会社 | Assembled battery |
| US9105911B2 (en) * | 2009-12-28 | 2015-08-11 | Samsung Sdi Co., Ltd. | Battery module |
-
2013
- 2013-07-03 JP JP2013139558A patent/JP6153789B2/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2015015082A5 (en) | ||
| JP6847834B2 (en) | Busbar for power supply and battery cell | |
| JP2015099759A (en) | Bus bar for battery pack and battery pack | |
| CN104733681B (en) | Traction battery component | |
| JP2011138765A (en) | Battery module | |
| JP2014138000A (en) | Battery module | |
| KR20140094207A (en) | Rechargeable battery module | |
| KR102317503B1 (en) | Battery Pack | |
| KR101493829B1 (en) | Battery Pack | |
| JP2013065552A5 (en) | ||
| MY169020A (en) | Battery pack and battery pack manufacturing method | |
| JP2014086177A (en) | Pressure type current breaker of sealed battery, and sealed battery | |
| JP2015002113A (en) | Power storage module and power storage pack | |
| JP2014517495A (en) | battery | |
| KR102211369B1 (en) | Battery Module | |
| US9484559B2 (en) | Battery cell assembly | |
| JP6153789B2 (en) | Battery pack and prismatic secondary battery | |
| JP6127763B2 (en) | Sealed battery and manufacturing method thereof | |
| JP6748937B2 (en) | Power storage device and method of manufacturing power storage device | |
| RU2011136507A (en) | ACCUMULATORS FOR TOOLS | |
| JPWO2019044724A1 (en) | Battery module | |
| JP2015069778A5 (en) | ||
| US20130149591A1 (en) | Secondary battery module | |
| JP2015088267A (en) | Battery pack module | |
| KR20110134010A (en) | Second battery |