CN202395102U - Cylinder-like lithium ion battery - Google Patents
Cylinder-like lithium ion battery Download PDFInfo
- Publication number
- CN202395102U CN202395102U CN2011205336294U CN201120533629U CN202395102U CN 202395102 U CN202395102 U CN 202395102U CN 2011205336294 U CN2011205336294 U CN 2011205336294U CN 201120533629 U CN201120533629 U CN 201120533629U CN 202395102 U CN202395102 U CN 202395102U
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- Prior art keywords
- battery
- lithium ion
- core
- ion battery
- cylindrical
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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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Abstract
The utility model relates to a cylinder-like lithium ion battery. The cylinder-like lithium ion battery comprises a shell and battery coiled cores, wherein the shell contains more than two battery coiled cores, and electrolyte is filled between the shell and each battery coiled core. The cylinder-like lithium ion battery disclosed by the utility model has the beneficial effects that a plurality of battery coiled cores are arranged in the shell and correspond to the shell in appearance so that the space occupied by the cylindrical battery coiled core of the lithium ion battery is fully exerted, the liquid injection capability of the lithium ion battery is effectively improved, capacitance exerting and circulating performances of an electric core are improved, the consistency of electric core match groups is largely improved, and the safety performance of the electric core is largely improved.
Description
Technical field
The utility model relates to a kind of battery, refers in particular to a kind cylindrical lithium ion battery.
Background technology
Present column lithium ion battery is used for making the bigger lithium ion battery of volumetric specific energy more; Development along with electric bicycle and electric automobile; The combo battery of the high cycle life of the high safety of high power capacity becomes a big demand in market; But because in the process of combo, the space of cylindrical battery combination can not be utilized effectively, and two or many cylindrical batteries are combined; Space between the circular arc can not obtain effective application therebetween, and the consistency of combo electricity core can not thoroughly solve.
The utility model content
The purpose of the utility model is to have overcome above-mentioned defective, and a kind of class cylindrical lithium ion battery that makes full use of the battery pack space is provided.
The purpose of the utility model is achieved in that a kind cylindrical lithium ion battery, and it comprises shell and battery roll core, is equipped with two above battery roll cores in the said shell, is filled with electrolyte between said shell and battery roll core;
In the said structure, said battery roll core is cylindric; Said shell profile is corresponding with the battery roll core outside dimension;
In the said structure, said cylindrical battery volume core comprises three, and its axle center is positioned on three summits of an equilateral triangle; Be provided with straightway between said cross-sectional outer and the corresponding arc section that is formed with of each prismatic battery volume core outside dimension, arc section and arc section or segmental arc is connected;
In the said structure, said cylindrical battery volume core comprises four, and its axle center is positioned on four summits of a square; Be provided with straightway between said cross-sectional outer and the corresponding arc section that is formed with of each prismatic battery volume core outside dimension, arc section and arc section or segmental arc is connected;
In the said structure, said cylindrical battery volume core comprises five, and its axle center is positioned on five summits of a regular pentagon; Be provided with straightway between said cross-sectional outer and the corresponding arc section that is formed with of each prismatic battery volume core outside dimension, arc section and arc section or segmental arc is connected;
In the said structure, said cylindrical battery volume core is provided with at interval;
In the said structure, connect/be connected in parallel between said cylindrical battery volume core;
In the said structure, the inboard corresponding straightway or the segmental arc of being formed with of said cross-sectional outer and each prismatic battery volume core, said adjacent straight line segment or segmental arc are sealed perforate around forming one.
The beneficial effect of the utility model is to be provided with in the shell a plurality of battery roll cores; And shell shape is corresponding with it; Thereby given full play to the occupied space of lithium ion battery cylindrical battery volume core, effectively raised the fluid injection ability of battery, improved the capacity performance and the cycle performance of electric core; Combo consistency to electric core also improves a lot, and has improved the security performance of electric core greatly.
Description of drawings
Concrete structure below in conjunction with detailed description of the drawings the utility model
Fig. 1 is the first example structure sketch map of the utility model;
Fig. 2 is the second example structure sketch map of the utility model;
Fig. 3 is the 3rd example structure sketch map of the utility model;
Fig. 4 is the 4th example structure sketch map of the utility model.
The 1-shell; The 2-battery roll core; 3-electrolyte; The 11-arc section; 12-straightway or segmental arc.
Embodiment
By the technology contents, the structural feature that specify the utility model, realized purpose and effect, know clearly below in conjunction with execution mode and conjunction with figs. and give explanation.
One kind cylindrical lithium ion battery; It comprises shell 1 and battery roll core 2, is equipped with two above battery roll cores 2 in the shell 1, and 2 of said shell 1 and battery roll cores are filled with electrolyte 3; Common battery roll core 2 is cylindric, and shell 1 profile is corresponding with battery roll core 2 outside dimensions.
Embodiment one:
Like Fig. 1; It in the present embodiment basic collocation; Promptly comprise 2 cylindrical battery volume cores 2; The axle center of two cylindrical batteries volume cores 2 is located along the same line, and said shell 1 cross section is rolled up the corresponding arc section 11 that is formed with of core 2 outside dimensions with each prismatic battery, is provided with straightway between arc section 11 and the arc section 11 or segmental arc 12 is connected.This basic structure can be rolled up core 2 and is arranged side by side use equally according to expanding to 3, four or N cylindrical battery.
Embodiment two:
Like Fig. 2; Cylindrical battery volume core 2 comprises three in the present embodiment; Its axle center is positioned on three summits of an equilateral triangle, and shell 1 cross section and the corresponding arc section 11 that is formed with of each prismatic battery volume core 2 outside dimensions, is provided with straightway between arc section 11 and the arc section 11 or segmental arc 12 is connected.
Embodiment three:
Like Fig. 3; Cylindrical battery volume core 2 comprises four in the present embodiment; Its axle center is positioned on four summits of a square, and shell 1 cross section is rolled up the corresponding arc section 11 that is formed with of core 2 outside dimensions with each prismatic battery, is provided with straightway between arc section 11 and the arc section 11 or segmental arc 12 is connected.
Embodiment four:
Like Fig. 4; Cylindrical battery volume core 2 comprises five in the present embodiment; Its axle center is positioned on five summits of a regular pentagon, and shell 1 cross section and the outer corresponding arc section 11 that is formed with of 2 sizes of each prismatic battery volume core, is provided with straightway between arc section 11 and the arc section 11 or segmental arc 12 is connected.
Preferable, in the foregoing description, each 2 in core of cylindrical battery volume should be set in distance, thereby guaranteeing that filling electrolyte 3 can fully wrap up in the shell 1 respectively rolls up core.And a plurality of 2 in cores of cylindrical battery volume can be mutually that serial or parallel connection or connection in series-parallel connect as required, thus performance parameters such as the capacity of change integral battery door, voltage.
A variant as the foregoing description 2-4; Promptly be directed against the situation of a plurality of battery roll core 2 stackings; The cross section of above-mentioned shell 1 can further be rolled up the inboard corresponding straightway or the segmental arc 12 of being formed with of core 2 with each prismatic battery, said adjacent straight line segment or segmental arc 12 thus can be under the situation less to capacity impact around forming a sealing perforate; Increase the surface area of battery, help the battery heat radiation.
Common cylindrical electrical core combination, when combining for two or many, the circular arc gap between per two electric cores can not be utilized effectively; And Comparatively speaking the cardinal principle of the utility model is exactly the situation according to the combined electrical core, and this segment space of flexible utilization does not occupy at the combined electrical core under the situation in more spaces; Improve electric in-core portion space biglyyer, improve the fluid injection ability of electric core, therefore; The high power capacity performance and the cycle performance of electricity core, consistency, fail safe all is greatly improved.Because this type of cylindrical electrical core is inner several electric core series connection or is parallel together; When making electric core; Just can be through weighing or the consistency of other method control pole piece etc., and the total amount of reservoir quantity is more than all single electric core reservoir quantity sums, has improved the high power capacity of electric core to bring into play and cycle performance; In the case, the consistency of electric core and fail safe all are greatly improved.Therefore this programme provides a kind cylindrical lithium ion battery; Make when two or more battery battery cores make up; Utilize the outside arc of adjacent two cylindrical electrical cores, increase electric in-core portion space, and the outside occupied vertical space of level of combined electrical core can't increase.
In sum, the utility model advantage is:
1, for the lithium ion battery of high-power high-capacity; Effective utilization of inner space has tangible influence to high power capacity performance, the long circulation life of electric core; The present invention has improved in the space utilization that increases the cylindrical battery combination greatly, has improved the high power capacity performance of electric core, long circulation life.
2, owing to inner combo, the consistency of pole piece, the consistency of electrolyte are effectively ensured, have improved the consistency of combo electricity core greatly, and for electric tool or electrical source of power, consistency is vital.
3, the utility model increases in the inner space, under the situation that reservoir quantity increases, has improved the security performance of combo electricity core greatly.
The above is merely the embodiment of the utility model; Be not so the claim of restriction the utility model, for example the quantity of battery roll core 2 can further increase, and shell 1 is made respective change and got final product thereupon; For example in the time of 6 of battery roll core 2 as many as; Be series connection each other, the utility model battery can obtain to be equivalent to 6 cylindrical lithium ion batteries are together in series, and has just formed the battery pack of 21.6V2.2Ah.So every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind cylindrical lithium ion battery, it is characterized in that: it comprises shell and battery roll core, is equipped with two above battery roll cores in the said shell, is filled with electrolyte between said shell and battery roll core.
2. as claimed in claim 1 type of cylindrical lithium ion battery, it is characterized in that: said battery roll core is cylindric; Said shell profile is corresponding with the battery roll core outside dimension.
3. as claimed in claim 2 type of cylindrical lithium ion battery is characterized in that: said cylindrical battery volume core comprises three, and its axle center is positioned on three summits of an equilateral triangle; Be provided with straightway between the corresponding arc section that is formed with in the outside of said cross-sectional outer and each prismatic battery volume core outside dimension, arc section and arc section or segmental arc is connected.
4. as claimed in claim 2 type of cylindrical lithium ion battery is characterized in that: said cylindrical battery volume core comprises four, and its axle center is positioned on four summits of a square; Be provided with straightway between the corresponding arc section that is formed with in the outside of said cross-sectional outer and each prismatic battery volume core outside dimension, arc section and arc section or segmental arc is connected.
5. as claimed in claim 2 type of cylindrical lithium ion battery is characterized in that: said cylindrical battery volume core comprises five, and its axle center is positioned on five summits of a regular pentagon; Be provided with straightway between the corresponding arc section that is formed with in the outside of said cross-sectional outer and each prismatic battery volume core outside dimension, arc section and arc section or segmental arc is connected.
6. like any described type of cylindrical lithium ion battery of claim 3-5, it is characterized in that: said cylindrical battery volume core is provided with at interval.
7. like any described type of cylindrical lithium ion battery of claim 3-5, it is characterized in that: connect/be connected in parallel between said cylindrical battery volume core.
8. like any described type of cylindrical lithium ion battery of claim 3-5; It is characterized in that: the inboard corresponding straightway or the segmental arc of being formed with of said cross-sectional outer and each prismatic battery volume core, said adjacent straight line segment or segmental arc are sealed perforate around forming one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205336294U CN202395102U (en) | 2011-12-19 | 2011-12-19 | Cylinder-like lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205336294U CN202395102U (en) | 2011-12-19 | 2011-12-19 | Cylinder-like lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202395102U true CN202395102U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205336294U Expired - Fee Related CN202395102U (en) | 2011-12-19 | 2011-12-19 | Cylinder-like lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202395102U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938451A (en) * | 2012-09-28 | 2013-02-20 | 枣庄润昇电池科技有限公司 | Triangular battery sleeve |
| CN111261948A (en) * | 2018-11-30 | 2020-06-09 | 北京好风光储能技术有限公司 | Cylindrical lithium slurry battery and preparation method thereof |
| WO2023225911A1 (en) * | 2022-05-25 | 2023-11-30 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electrical device |
-
2011
- 2011-12-19 CN CN2011205336294U patent/CN202395102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938451A (en) * | 2012-09-28 | 2013-02-20 | 枣庄润昇电池科技有限公司 | Triangular battery sleeve |
| CN111261948A (en) * | 2018-11-30 | 2020-06-09 | 北京好风光储能技术有限公司 | Cylindrical lithium slurry battery and preparation method thereof |
| CN111261948B (en) * | 2018-11-30 | 2021-06-15 | 北京好风光储能技术有限公司 | Cylindrical lithium slurry battery and preparation method thereof |
| WO2023225911A1 (en) * | 2022-05-25 | 2023-11-30 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electrical device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190715 Granted publication date: 20120822 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210715 Granted publication date: 20120822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20191219 |