CN103165850A - Battery - Google Patents
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- Publication number
- CN103165850A CN103165850A CN201210541199XA CN201210541199A CN103165850A CN 103165850 A CN103165850 A CN 103165850A CN 201210541199X A CN201210541199X A CN 201210541199XA CN 201210541199 A CN201210541199 A CN 201210541199A CN 103165850 A CN103165850 A CN 103165850A
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- Prior art keywords
- face
- battery
- electrode bundle
- leading part
- negative pole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a battery; even the battery receives external impact to cause deformation of a lead wire portion, the lead wire portion can still be prevented from entering an electrode bundle. The battery comprises the following structures: the electrode bundle, diaphragm is positioned between an anode plate and a cathode plate to carry out offset stacking to form a stacking body, one end of a winding body formed by winding the stacking body is an anode surface, and the other end surface is a cathode surface; the lead wire portion respectively arranged corresponding to the anode surface or the cathode surface of the electrode bundle, and is connected with either the anode plate or the cathode plate; and a rectangular external element for containing the electrode bundle and the lead wire portion. The lead wire portion is arranged between the external element and the anode surface or the cathode surface, and is provided with a slope portion arranged corresponding to the anode surface or the cathode surface.
Description
Technical field
The present invention relates to be equipped on the structure such as the battery on the vehicles such as automobile.
Background technology
In the past, as the secondary cell that uses in such as the comparatively small-sized electronic equipment such as mobile phone or personal computer, the known nickel-hydrogen secondary cell of people or the rechargeable nonaqueous electrolytic battery take lithium rechargeable battery as representative etc.And in recent years, people also develop the large-sized battery that is used for carrying on the various vehicles such as electric automobile.
The structure of this kind battery is as follows, for example will be wound after barrier film (separator) is between positive plate and negative plate and stacked electrode group (electrode bundle) together is contained in rectangular exterior member (housing) with nonaqueous electrolytic solution, and exterior member tegmentum parts seal (for example, patent documentation 1).
Positive plate and negative plate are connected to the distolateral of collector body, the distolateral portion of terminal of being located at cover that is connected to of another of collector body at the axial end portion of electrode group.For example, in the structure of patent documentation 1 record, positive plate is connected with negative terminal with the positive terminal that is equivalent to described portion of terminal with negative wire by the positive wire that is equivalent to described collector body with negative plate.These positive wires and negative wire have the terminal pad of the portion of terminal of being connected to and the rectangular curren-collecting part that extends from terminal pad downwards, and this curren-collecting part is connected to positive plate or negative plate.And the surface of described electrode part and electrode group is extended downwards and arranges from terminal pad slightly abreast.
As the record in patent documentation 1, described rectangular curren-collecting part (leading part) extends and arranges from terminal pad (connecting portion) slightly abreast with the surface of electrode group (electrode bundle).
But, when vehicle boarded described battery, such as in the situation that collision etc. occurs vehicle, have the hidden danger that applies large impact from the outside to battery.As mentioned above, leading part slightly be parallel to electrode bundle the surface and in extending the structure of setting, if be applied with impact from the lateral battery of leading part, leading part is out of shape to the inside and enters electrode bundle and contact with positive plate or negative plate, thereby has the hidden danger that internal short-circuit occurs.
In addition, for for the secondary cell of the structure of having welded anodal collector plate from the end of the outstanding positive pole of electrode bundle, the part of most peripheral at least from the end (wire bonds end) of the outstanding positive pole of electrode bundle inwardly rolls tiltedly (with reference to patent documentation 2) week.
Described structure can suppress the inwall of the double container of doing negative terminal of anodal end contact and the internal short-circuit that occurs.But the structure of patent documentation 2 records can't suppress the internal short-circuit according to the distortion of collector body.
Patent documentation 1: JP 2011-71109 communique
Patent documentation 2: JP 2002-298906 communique
Summary of the invention
The present invention proposes in view of the problem of prior art as mentioned above, and is a kind of because the impact leading part from the outside produces distortion even its purpose is to provide, and also can suppress the battery that leading part enters electrode bundle.
The battery according to first aspect present invention in order to achieve the above object, comprise: electrode bundle, be offset stacked barrier film between positive plate and negative plate and form duplexer, and reeling this duplexer and a side end face of the coiling body that forms is positive pole-face, the opposite side end face is the negative pole face; Leading part, corresponding and configure respectively with the described positive pole-face of described electrode bundle or described negative pole face, and be connected with any in described positive plate or negative plate; Rectangular exterior member is used for accommodating described electrode bundle and described leading part; Wherein, described leading part has the rake of relatively described positive pole-face or described negative pole face tilt configuration between described exterior member and described positive pole-face or described negative pole face.
According to the battery of first aspect, when being applied with impact (external force) from the side of exterior member, the rake in leading part rotates and moves (distortion) to the electrode bundle side.Thus, leading part is in fact to the contact of practising physiognomy of the end face of electrode bundle, and the restriction leading part is to the electrode bundle side shifting.And, can dwindle the required space of leading part and increase electrode bundle, thereby improve the battery ability of unit volume.
Battery according to second aspect present invention, on the basis of the battery of first aspect, described battery comprises a plurality of described leading parts that are connected on identical electrodes, and in a plurality of described leading parts, described rake is slightly identical respectively with respect to the inclined degree of described positive pole-face or described negative pole face.
According to the battery of second aspect present invention, when waiting each leading part of joint and positive plate or negative plate by welding, owing to can from the bonding part of equidirectional near both, therefore improving operating efficiency.
According to the battery of third aspect present invention, on the basis of the battery of first aspect or second aspect, be described rake with the coincide integral body of part of described positive pole-face or described negative pole face in described leading part.
The battery of the 3rd invention, can suppress the distortion of leading part more really according to the present invention.
According to the present invention, even the leading part of collector body is subjected to from the impact of outside and produces distortion, also can suppress the inside that leading part enters electrode bundle.And then can suppress collector body and contact and internal short-circuit occurs with positive plate or negative plate.
Description of drawings
Fig. 1 is the summary formation exploded perspective view according to the sealing shape battery of one embodiment of the invention;
Fig. 2 is the summary formation longitudinal section according to the sealing shape battery of one embodiment of the invention;
Fig. 3 is the stepped construction skeleton diagram according to the electrode bundle of one embodiment of the invention;
Fig. 4 is the summary formation sectional elevation according to the sealing shape battery of one embodiment of the invention;
Fig. 5 is the longitudinal section for the deformation state of the leading part of explanation collector body;
Fig. 6 is the sectional elevation for the deformation state of the leading part of explanation collector body;
Fig. 7 is the skeleton diagram of one of use sample attitude of battery of the present invention example;
Fig. 8 is the skeleton diagram of one of use sample attitude of battery of the present invention example;
Fig. 9 is the sectional elevation of variation of leading part of the collector body of one embodiment of the invention.
* symbol description *
10: battery 20: electrode bundle
21: positive plate 22: negative plate
23: barrier film 24,26: non-painting part
25,27: active material painting part 28: anodal harness section
29: negative pole harness section 30,40: collector body
31,41: terminal connection part 32,42: leading part
33,43: planar portions 34,44: rake
50: battery container 60: cover
61: through hole 70: the positive terminal parts
80: negative terminal parts 90: the insulating thin parts
110: small shell 120: large housing
130: battery pack 200: vehicle
Embodiment
As shown in Figures 1 and 2, the battery 10 of the present embodiment is for example as the sealing shape battery of lithium ion battery, have electrode bundle (key element) 20 of positive plate 21 and negative plate 22 and collector body 30,40 and nonaqueous electrolytic solution (not shown) together be contained in battery container 50 as exterior member.Top tegmentum parts 60 sealings of this battery container 50.And be provided with the insulating element 55 of the inner face of clad battery housing 50 in the inside of battery container 50.Thus, can realize battery container 50 and be contained in insulation between its inner electrode bundle 20 and collector body 30,40.
Be connected with the distolateral of collector body 30 on the positive plate 21 of electrode bundle 20, another of this collector body 30 is distolateral to be connected with from the through hole 61 positive terminal parts 70 outstanding to the outside of being located at cover 60, to this detailed content with aftermentioned.Be connected with the distolateral of collector body 40 on negative plate 22.Another of this collector body 40 is distolateral to be connected with from the through hole 61 negative terminal parts 80 outstanding to the outside of being located at cover 60.
And, be equipped with respectively the insulating thin parts 90 corresponding with the peristome of each through hole 61 in the top and bottom of cover 60 side.Positive terminal parts 70 and negative terminal parts 80 realize by insulating thin parts 90 and cover 60 between insulation.
As shown in Figure 3, electrode bundle 20 be for example with barrier film 23 between the positive plate 21 that is consisted of by metal forming and negative plate 22, be offset (offset) stacked and form duplexer.And, this duplexer is wound into tubular and a side end face of the coiling body that forms as positive pole-face 20a, the opposite side end face as negative pole face 20b(with reference to Fig. 1).The electrode bundle 20 of the present embodiment is by barrier film 23, the positive plate 21 of band shape and negative plate 22 to be wound into flat pattern to form.
And banded positive plate 21 is formed with the active material painting part 25 that has been coated with active material except the non-painting part 24 that is located at its Width one end.Equally, negative plate 22 also is formed with active material painting part 27 except non-painting part 26.That is, the part that coincides with negative plate 22 in positive plate 21 is formed with active material painting part 25, and the part that coincides with positive plate 21 in negative plate 22 is formed with active material painting part 27.
As shown in Figure 4, distolateral at electrode bundle 20 Widths (left and right directions in figure), the i.e. positive pole-face 20a side non-painting part 24 tied anodal harness section 28 each other that is formed with a plurality of positive plates 21.Distolateral at another of electrode bundle 20 Widths, i.e. the negative pole face 20b side non-painting part 26 tied negative pole harness section 29 each other that is formed with a plurality of negative plates 22.These anodal harnesses section 28 and negative pole harness section 29 by such as harness parts (not shown) that slightly are " コ " shape etc. by harness.In the electrode bundle 20 of the present embodiment, anodal harness section 28 and negative pole harness section 29 are respectively equipped with two separately.At this, the quantity of anodal harness section 28 and negative pole harness section 29 is not done and is particularly limited, and can arrange respectively one separately, can arrange more than three yet.
And, be connected with collector body 30 in the anodal harness of each of electrode bundle 20 section 28 as mentioned above, and be connected with collector body 40 in each negative pole harness section 29. Collector body 30,40 comprises: relatively cover 60 and the tabular terminal connection part 31,41 that arranges; The leading part 32,42 that extends from the surface of terminal connection part 31,41 comparative electrode bundles 20 and arrange.
The terminal connection part 31 of collector body 30 is connected with positive terminal parts 70 from setting to the outside of cover 60 that give prominence to.The terminal connection part 41 of collector body 40 is connected with negative terminal parts 80 from setting to the outside of cover 60 that give prominence to.The syndeton of these terminal connection parts 31 and positive terminal parts 70 and the syndeton of terminal connection part 41 and negative terminal parts 80 are owing to adopting structure in the past to get final product, therefore to its detailed.
The surface of the leading part 32 comparative electrode bundles 20 of collector body 30, particularly, the surface of relatively anodal harness section 28 is extended and arranges, and is connected to the lateral surface of anodal harness section 28.The surface of the leading part 42 phase anticathode harness sections 29 of collector body 40 is extended and arranges, and is connected to the lateral surface of negative pole harness section 29.
In the present embodiment, electrode bundle 20 has respectively two anodal harness sections 28 and negative pole harness section 29.Therefore, collector body 30 has two leading parts 32 corresponding with these two anodal harness sections 28.Equally, collector body 40 has two leading parts 42 corresponding with two negative pole harness sections 29.Specifically, the leading part 32 of collector body 30 from terminal connection part 31 with predetermined width two-way fork relatively the outer surface of each anodal harness section 29 extend and arrange.The leading part 42 of collector body 40 from terminal connection part 41 with preset width two-way fork and relatively the outer surface of each negative pole harness section 29 extend and arrange.
At this, as Fig. 1,2 and Fig. 4 in as shown in (a), the base end part side of the leading part 32 of collector body 30 constitutes the planar portions 33 that the surperficial 20c with respect to electrode bundle 20 slightly be arranged in parallel, and in the present embodiment, this planar portions 33 fetches by supersonic welding the anodal harness section 28 that is connected to.Equally, the base end part side of leading part 42 also constitutes the planar portions 43 that the surperficial 20c with respect to electrode bundle 20 slightly be arranged in parallel, and this planar portions 43 fetches by supersonic welding the negative pole harness section 29 that is connected to.At this, the joint method of the joint method of planar portions 33 and anodal harness section 28 and planar portions 43 and negative pole harness section 29 is in no way limited in supersonic welding and connects, and can also adopt other method.
As Fig. 1,2 and Fig. 4 in as shown in (b), than the planar portions 33 of each leading part 32 of collector body 30 more front constitute the rake 34 that the surperficial 20c with respect to electrode bundle 20 tilts.That is, rake 34 tilts with predetermined angle with respect to the positive pole-face 20a of electrode bundle 20.In other words, leading part 32 has the rake 34 with respect to positive pole-face 20a tilted configuration between battery container 50 and positive pole-face 20a as exterior member.In the present embodiment, each leading part 32 is set to rake 34 and acutangulates with respect to the angle θ 1 of the surperficial 20c of electrode bundle 20.Equally, than the planar portions 43 of each leading part 42 of collector body 40 more front also constitute the rake 44 that the surperficial 20c with respect to electrode bundle 20 tilts.That is, rake 44 tilts with predetermined angle with respect to the negative pole face 20b of electrode bundle 20.In other words, leading part 42 has the rake 44 with respect to negative pole face 20b tilted configuration between battery container 50 and negative pole face 20b.In the present embodiment, each leading part 42 is set to rake 44 and acutangulates with respect to the angle θ 2 of the surperficial 20c of electrode bundle 20.
So, be provided with rake 34,44 on collector body 30, each leading part 32,42 of 40, when therefore being applied with impact (external force) from the side of battery container 50, can suppress to occur internal short-circuit.For example, as shown in Figure 5, be applied with external force from the side of battery container 50 and leading part 32 when being pushed to electrode bundle 20 side, as shown in Figure 6, the rake 34 of leading part 32 rotates and moves (distortion) to electrode bundle 20 sides.At this moment, planar portions 33 is also rotated along with the rotation of rake 34.Its result, leading part 32 are in fact to the contact of practising physiognomy of the end face of the positive pole-face 20a side of electrode bundle 20.Thus, leading part 32 is to the mobile restricted system of electrode bundle 20, thereby inhibition leading part 32 enters the inside of electrode bundle 20.In addition, can improve until the permission deflection of the leading part 32 till short circuit.Accordingly, can suppress battery 10 internal short-circuit occurs.Also play same action effect when certainly, the leading part 42 of collector body 40 deforms.
In addition, when being applied with external force from the side of battery container 50, leading part 32,42 is with its base end part as a rule, that is to say to deform as starting point with terminal connection part 31,41 boundary vicinity.Therefore, for leading part 32,42 deflections to electrode bundle 20 sides (amount of movement), easily reach maximum at leading part 32,42 leading section.That is, leading part 32,42 leading section the most easily enter the inside of electrode bundle 20.In the present embodiment, be provided with rake 34,44 at leading part 32,42 leading section.Thereby, can more positively suppress the inside that leading part 32,42 enters electrode bundle 20.
In addition, in the present embodiment, consider with supersonic welding and fetch connecting lead wire section 32,42 and the positive and negative electrode harness section operating efficiency of 28,29 o'clock, be provided with planar portions 33,43 at leading part 32,42, if but can be connected leading part 32,42 well with positive and negative electrode harness section 28,29, also leading part 32,42 integral body can be constituted rake 34,44.Thus, can more really suppress the inside that leading part 32,42 enters electrode bundle 20.
In addition, have rake 34,44 by making leading part 32,42, especially make leading part 32,42 integral body constitute rake 34,44, can do littlely than prior art leading part 32,42 required spaces.Thereby the ratio that electrode bundle 20 occupies battery container 50 becomes large.And then, can improve the battery ability of unit volume.
For for the battery 10 of rectangular sealing shape battery, for example, as shown in (a) in Fig. 7, with a plurality of (for example, 5 ~ 8 left and right) battery 10 along for accommodation in small shell 110 and carry out modularization.In addition, a plurality of small shells 110 are arranged to be contained in by battery tray 121 and battery cover 122 and are consisted of and than in the larger large housing (casing) 120 of small shell 110 volumes and form battery pack 130.In battery pack 130, battery 10 with the double housing structure of small shell 110 and large housing 120 by accommodating.And as shown in (b) in Fig. 7, this battery pack 130 is equipped on the vehicles 200 such as electric automobile.Thereby, if battery 10 is formed rectangle, can greatly suppress idle space and improve space efficiency.
In addition, be not to do to be particularly limited to the configuration of battery pack 130.Consider the interior space etc. that improves the exercise performance of vehicle 200 such as the center of gravity that reduces vehicle 200 and guarantee car, battery pack 130 is arranged near the bottom, chassis (with reference to (b) in Fig. 7) vehicle 200 central parts.Perhaps, consider the whole overall height of reduction vehicle 200 or the indoor convenience of vehicle 200 etc., battery pack 130 can also be arranged in the boot at vehicle 200 rear portions.
In addition, the direction of the battery 10 of vehicle 200 is not done yet be particularly limited.For example, for battery 10, can be set to its length direction consistent with the fore-and-aft direction of vehicle 200, also can be set to its length direction consistent with the above-below direction of vehicle 200.No matter be which kind of situation, should consider to guarantee the interior space of vehicle 200 or reduce the various conditions such as center of gravity of vehicle 200, and effectively configure and reduce idle space.
As mentioned above, consider various conditions and when suitably determining the configuration of battery 10, may exist collector body 30,40 with respect to the outside situation of configuration in the center of vehicle 200.Namely, as shown in (a) in Fig. 8, battery 10 may be configured to the positive pole-face 20a of electrode bundle 20 and negative pole face 20b towards the left and right directions outside of vehicle, perhaps as shown in (b) in Fig. 8, battery 10 also may be configured to the positive pole-face 20a of electrode bundle 20 and negative pole face 20b towards the fore-and-aft direction outside of vehicle.If battery 10 is by as mentioned above towards configuration, for example vehicle 200 bumps and battery 10 when applied by external force, and leading part 32,42 produces distortion and easily is short-circuited.But, according to structure of the present invention, with battery 10 with respect to vehicle 200 towards irrelevant, can effectively suppress because of leading part 32,42 the caused short circuit of distortion.
And in the present embodiment, each leading part 32,42 is arranged to rake 34,44 angles of inclination with respect to the surperficial 20c of electrode bundle 20 are acute angle, but leading part 32,42 structure are not limited thereto.For example, each leading part 32,42 slightly identical also harmless separately with respect to the inclined degree of positive pole-face 20a or negative pole face 20b.That is, in the above-described embodiment, for each leading part 32,42, two rakes 34,44 are set to " eight " word shape, but as shown in (a) and (b) in Fig. 9, for example rake 34,44 can also be set to slightly parallel.So, rake 34,44 is set in slightly parallel situation, during by the mode bonding wire section 32,42 such as welding and anodal harness section 28 or negative pole harness section 29, owing to can from the bonding part of equidirectional near both, therefore improving operating efficiency.
And, as shown in (c) in Fig. 9, for each leading part 32,42, can each rake 34,44 angles of inclination with respect to the surperficial 20c of electrode bundle 20 are set to the obtuse angle.Certainly, also can suppress leading part 32,42 by this kind structure and enter electrode bundle 20.
Above, one embodiment of the invention have been described, the present invention is confined to embodiment as above certainly.
Claims (3)
1. battery is characterized in that comprising:
Electrode bundle is offset stacked barrier film between positive plate and negative plate and forms duplexer, and reels described duplexer and a side end face of the coiling body that forms is positive pole-face, and the opposite side end face is the negative pole face;
Leading part, corresponding and configure respectively with the described positive pole-face of described electrode bundle or described negative pole face, and be connected with any in described positive plate or described negative plate;
Rectangular exterior member is used for accommodating described electrode bundle and described leading part;
Wherein, described leading part has the rake of relatively described positive pole-face or described negative pole face tilt configuration between described exterior member and described positive pole-face or described negative pole face.
2. battery according to claim 1, is characterized in that, described battery comprises a plurality of described leading parts that are connected on identical electrodes,
In a plurality of described leading parts, described rake is identical respectively with respect to the inclined degree of described positive pole-face or described negative pole face.
3. battery according to claim 1 and 2, is characterized in that, in described leading part, with described positive pole-face or described negative pole face coincide the part integral body be described rake.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-273912 | 2011-12-14 | ||
| JP2011273912A JP5930162B2 (en) | 2011-12-14 | 2011-12-14 | battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103165850A true CN103165850A (en) | 2013-06-19 |
| CN103165850B CN103165850B (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210541199.XA Active CN103165850B (en) | 2011-12-14 | 2012-12-13 | Battery |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5930162B2 (en) |
| KR (1) | KR101412323B1 (en) |
| CN (1) | CN103165850B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105917512A (en) * | 2014-01-29 | 2016-08-31 | 株式会社东芝 | Secondary battery and secondary battery production method |
| CN106605318A (en) * | 2014-10-31 | 2017-04-26 | 宝马股份公司 | Current collector for electrochemical energy storage apparatus |
| CN109841891A (en) * | 2017-11-29 | 2019-06-04 | 宁德时代新能源科技股份有限公司 | Secondary battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6260235B2 (en) * | 2013-12-03 | 2018-01-17 | 三菱自動車工業株式会社 | battery |
| KR102306440B1 (en) * | 2014-08-14 | 2021-09-29 | 삼성에스디아이 주식회사 | Rechargeable battery |
| JP2016051544A (en) * | 2014-08-29 | 2016-04-11 | 日立オートモティブシステムズ株式会社 | Flat wound secondary battery |
| JP7402204B2 (en) * | 2021-07-20 | 2023-12-20 | 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 | Battery and method for manufacturing the battery |
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| JP4588331B2 (en) * | 2004-02-02 | 2010-12-01 | パナソニック株式会社 | Square battery and manufacturing method thereof |
| KR100599752B1 (en) * | 2004-06-23 | 2006-07-12 | 삼성에스디아이 주식회사 | Secondary battery and electrodes assembly using the same |
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- 2011-12-14 JP JP2011273912A patent/JP5930162B2/en active Active
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- 2012-12-13 CN CN201210541199.XA patent/CN103165850B/en active Active
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| JP2002298906A (en) * | 2001-03-29 | 2002-10-11 | Toshiba Battery Co Ltd | Nickel-hydrogen secondary battery |
| US20110052976A1 (en) * | 2009-08-27 | 2011-03-03 | Hideyuki Ishii | Battery |
| CN102130319A (en) * | 2010-01-12 | 2011-07-20 | Sb锂摩托有限公司 | Recharcheable battery |
| US20110223454A1 (en) * | 2010-03-15 | 2011-09-15 | Kazuaki Urano | Prismatic cell and production method for the same |
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| US10418612B2 (en) | 2014-01-29 | 2019-09-17 | Kabushiki Kaisha Toshiba | Secondary battery and a method of manufacturing secondary battery |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20130069381A (en) | 2013-06-26 |
| CN103165850B (en) | 2016-01-06 |
| JP5930162B2 (en) | 2016-06-08 |
| JP2013125657A (en) | 2013-06-24 |
| KR101412323B1 (en) | 2014-06-25 |
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