CN102447090A - Assembled battery - Google Patents
Assembled battery Download PDFInfo
- Publication number
- CN102447090A CN102447090A CN2010105023660A CN201010502366A CN102447090A CN 102447090 A CN102447090 A CN 102447090A CN 2010105023660 A CN2010105023660 A CN 2010105023660A CN 201010502366 A CN201010502366 A CN 201010502366A CN 102447090 A CN102447090 A CN 102447090A
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- Prior art keywords
- cap
- battery
- assembled battery
- electrically connected
- assembled
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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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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides an assembled battery which comprises a winding cell, a housing, a cover cap, an anode cap and a cathode cap. The anode cap is electrically connected with the cover cap. The anode cap comprises an insulating cap and an anode metal cover cap. The external structure of the anode cap is suitable for battery packs with various assembling modes. The cathode cap is electrically connected with the housing by welding. The cathode cap is made of a metal material which is difficult to rust. The electrical connection stability in the using process of the assembled battery can be ensured.
Description
Technical field
The present invention relates to a kind of battery.
Background technology
The application of storage battery more and more widely, modern society is also increasingly high to the requirement of indexs such as the performance of storage battery, capacity.Need jumbo battery pack like electric bicycle and electric automobile, such battery pack is connected by a large amount of batteries or is composed in parallel.
The battery case of existing cylindrical battery is generally negative pole, and it is anodal that battery cap is generally.Because it is less that the anodal block of cylindrical battery is used for the contact area of positive electrical connection,, cylindrical battery can only adopt welding manner when being connected into battery pack, and this has limited the assembling mode of cylindrical battery composition battery pack to a certain extent.Be electrically connected the battery pack that is connected into when breaking down through welding, can easily do not detect and change, can only whole battery group be scrapped, therefore caused huge waste single battery.
Generally all be designed with the explosion-proof valve device on the block of existing secondary lithium-ion cylindrical battery; Time block is produced in case battery breaks down, but when explosion-proof valve lost efficacy, battery breaks down afterwards to block a shot and still may produce; And cause the electrolyte leakage, thereby influence other normal battery.
The shell of secondary lithium-ion cylindrical battery generally is the steel of outer nickel plating; Coating is worn easily in production and use; Thereby cause getting rusty, finally cause the resistance of battery pack and battery positive and negative electrode electrical connections to increase even can't conducting, reduced the electric current output performance of battery or made battery can not export electric energy; Influenced the normal use of battery pack, in addition some the time can cause bigger security incident.
Summary of the invention
The object of the invention is to provide a kind of be convenient to dismounting and replacing in battery pack, has the higher-security ability, guarantees that battery in use keeps the assembled battery of low internal resistance.
In order to achieve the above object, the present invention provides a kind of assembled battery, and this assembled battery comprises reel electric core, shell, block, and this assembled battery also comprises positive electrode cap, and positive electrode cap is positioned at the block outside and is electrically connected with block.Positive electrode cap comprises insulator cap and the outer cap of cathode metal.
Assembled battery provided by the invention, positive electrode cap is electrically connected through welding with block, insulator cap is set to keep the insulation of positive electrode cap and shell between outer cap of the cathode metal of positive electrode cap and the battery case.
In order to achieve the above object, the present invention provides a kind of assembled battery, and this assembled battery also comprises the negative pole cap, and the negative pole cap is electrically connected with battery case.
The outer cap whole outer surface of the cathode metal of assembled battery provided by the invention may be used to the outside and is electrically connected to be assembled into battery pack; So can supply the battery pack of various electric connection mode to adopt; For example, in the conductive hole that is inserted into battery frame, the periphery of the outer cap of cathode metal or bottom surface are electrically connected with conductive hole and are assembled into battery pack; Dismantle easily when the battery pack of this structure breaks down, and can detect and change single battery.
Assembled battery provided by the invention; The negative pole cap is electrically connected through welding with battery case; Connected mode is fastening reliable, and electrical connections is not got rusty by shell to be influenced, and the negative pole cap can adopt the copper of outer nickel plating; Be electrically connected reliably with battery pack with battery guaranteeing, improved the security performance of battery pack.
Assembled battery provided by the invention, the negative pole cap is electrically connected through welding with battery case, and electrical connections is not got rusty by shell to be influenced, and can guarantee that battery in use keeps low internal resistance, thereby guarantee the normal use and the fail safe of battery.
Description of drawings
Fig. 1 is the explosive view of assembled battery provided by the invention.
Fig. 2 is the positive electrode cap structural representation of assembled battery of the present invention.
Fig. 3 be assembled battery of the present invention insulator cap partly cut open sketch map.
Fig. 4 is the negative pole cap sketch map of assembled battery of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
Like Fig. 1, shown in Figure 2, assembled battery 1 comprises battery 2, positive electrode cap 3 and negative pole cap 4.Positive electrode cap 3 is made up of the outer cap 6 of insulator cap 5 and cathode metal, and negative pole cap 4 is a metallic conductor.
The outer cap 6 of cathode metal and block 7 are electrically connected through spot welding, and the outer cap 6 of cathode metal utilizes insulator cap 5 and shell 8 insulation, and step 9 is arranged on the insulator cap 5, and step 9 is used to guarantee that outer cap 6 of cathode metal and shell 8 insulate.Battery 1 was electrically connected with the positive pole of battery pack when the outer cap 6 of cathode metal was used for that assembled battery 1 is assembled into battery pack.The outer contact area of the outer cap 6 of cathode metal is big, is applicable to the assembling of the large-capacity battery pack of various assembling modes.For example, the outer cap 6 of cathode metal is inserted in the conductive hole of battery frame, the periphery of the outer cap 6 of cathode metal or bottom surface are electrically connected with conductive hole and are assembled into battery pack.Dismantle easily when the battery pack of this structure breaks down, and can detect and change single battery.
Wherein the through hole 10 of the outer cap 6 of cathode metal is used for exhaust.
As shown in Figure 3, there are the card rank 11 that are connected in shell 8 slot rollings inboard of insulator cap 5, and these card rank 11 are used for the stable assembling of positive electrode cap 3 and battery 2.When the explosion-proof valve of battery 2 lost efficacy, battery 2 broke down, then block a shot 7 can receive insulator cap 5 card rank 11 resistance and can not produce, thereby guaranteed the stability and the fail safe of battery pack.
The outer cap 6 of cathode metal can use the copper of outer nickel plating to become.Insulator cap 5 can adopt PTFE (polytetrafluoroethylene) material and other proper polymer material of high temperature high voltage resistant.
Be illustrated in figure 4 as the negative pole cap 4 of assembled battery 1, negative pole cap 4 and battery case 8 are electrically connected through spot welding.When battery case 8 got rusty, negative pole cap 4 can guarantee to be electrically connected with the spot welding electric connection mode of shell 8 to be stablized, and prevents to be electrically connected the resistance increase, thereby has guaranteed the security performance and the serviceability of battery pack.
The above only is embodiments of the invention, and unrestricted practical range of the present invention, and all equivalences of doing according to the described structure of claim of the present invention, characteristic and principle change or modify, and all should be included within the protection range of patent application of the present invention.
Claims (5)
1. assembled battery, comprise reel electric core, shell, block a shot, it is characterized in that: said assembled battery also comprises positive electrode cap, positive electrode cap is positioned at the block outside and is electrically connected with said block.
2. assembled battery according to claim 1, said positive electrode cap comprise insulator cap and the outer cap of cathode metal.
3. assembled battery according to claim 1, said positive electrode cap and said casing insulation.
4. also comprise the negative pole cap according to claim 1 or 2 or 3 described assembled batteries, the negative pole cap is electrically connected with said shell.
5. assembled battery according to claim 4, said negative pole cap is an electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502366.0A CN102447090B (en) | 2010-10-01 | 2010-10-01 | Assembled battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010502366.0A CN102447090B (en) | 2010-10-01 | 2010-10-01 | Assembled battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102447090A true CN102447090A (en) | 2012-05-09 |
| CN102447090B CN102447090B (en) | 2015-03-25 |
Family
ID=46009367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010502366.0A Active CN102447090B (en) | 2010-10-01 | 2010-10-01 | Assembled battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102447090B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882576A (en) * | 2015-06-09 | 2015-09-02 | 廖婕 | Button type combined battery |
| CN104900840A (en) * | 2015-06-12 | 2015-09-09 | 福建南平南孚电池有限公司 | Seal ring used for secondary battery negative electrode seal body |
| CN110931697A (en) * | 2019-12-12 | 2020-03-27 | 惠州亿纬锂能股份有限公司 | Battery combination structure and combined battery pack |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841058A (en) * | 2010-05-12 | 2010-09-22 | 深圳市倍特力电池有限公司 | Cylindrical anti-explosive battery |
| CN201812872U (en) * | 2010-10-01 | 2011-04-27 | 微宏动力系统（湖州）有限公司 | Assembled battery |
-
2010
- 2010-10-01 CN CN201010502366.0A patent/CN102447090B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841058A (en) * | 2010-05-12 | 2010-09-22 | 深圳市倍特力电池有限公司 | Cylindrical anti-explosive battery |
| CN201812872U (en) * | 2010-10-01 | 2011-04-27 | 微宏动力系统（湖州）有限公司 | Assembled battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882576A (en) * | 2015-06-09 | 2015-09-02 | 廖婕 | Button type combined battery |
| CN104900840A (en) * | 2015-06-12 | 2015-09-09 | 福建南平南孚电池有限公司 | Seal ring used for secondary battery negative electrode seal body |
| CN110931697A (en) * | 2019-12-12 | 2020-03-27 | 惠州亿纬锂能股份有限公司 | Battery combination structure and combined battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102447090B (en) | 2015-03-25 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 313000 Huzhou economic and Technological Development Zone, Zhejiang, Hung Fung Road, No. 2198 Patentee after: Microvast Power Systems (Huzhou) Co., Ltd. Address before: 313000 Zhejiang Province, Huzhou City Road No. 1555 sunny Industrial Science and Technology Park 1 Patentee before: Microvast Power Systems (Huzhou) Co., Ltd. |