CN205960130U - Lithium ion battery structure - Google Patents
Lithium ion battery structure Download PDFInfo
- Publication number
- CN205960130U CN205960130U CN201620859854.XU CN201620859854U CN205960130U CN 205960130 U CN205960130 U CN 205960130U CN 201620859854 U CN201620859854 U CN 201620859854U CN 205960130 U CN205960130 U CN 205960130U
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- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- naked
- battery core
- adhesive tape
- 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.)
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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
-
- 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 discloses a belong to the battery technology field, concretely relates to lithium ion battery structure, including naked electric core, the packing naked electric core the shell and fill in electrolyte in the shell, naked at least one summit of electric core is by porous sticky tape cladding. When lithium ion battery falls, the position on the summit of naked electric core usually is impaired serious place, through the porous sticky tape of summit cladding at naked electric core, in order to protect naked electric core, the porous sticky tape on the summit of the naked electric core of cladding is filled between naked electric core and shell, sining of shell had both prevented, also can, play lithium ion battery the cushioning effect when falling, can improve lithium ion battery's the ability of combatting drop effectively, and the porous structure of porous sticky tape, can guarantee that electrolyte passes through the naked electric in -core portion of micropore infiltration on the porous sticky tape, guarantee the infiltration of naked electric core, improve soft package lithium -ion battery's cyclicity ability.
Description
Technical field
Of the present utility model belong to cell art and in particular to lithium ion battery structure.
Background technology
Lithium ion battery has running voltage height with it, energy density is big, have extended cycle life, self discharge is little, memoryless effect
The advantage answered, has been widely used in the fields such as mobile phone, notebook computer, panel computer, digital camera, MP3, becomes various
Modern communication devices and the indispensable part of electronic equipment.
Existing flexible packing lithium ion battery comprises naked battery core and its shell, there is certain sky between naked battery core and shell
Between, in falling process, naked battery core can produce certain impact, particularly corner part in the mobile of shell to battery core to it（Many
The vertex position of face body）It is very easy to breakage, cause leakage, battery core penalty etc..Additionally, the long circulating for guarantor's battery core
Performance, must comprise enough electrolyte in battery core, this will result in the liquid that rises of battery core, brings problem of appearance, particularly battery core
Corner, space is larger, and storage electrolyte is more, the liquid phenomenon that rises easily.
In view of this it is necessary to provide a kind of corner of can solve the problem that in battery core falling process damaged, improve battery core and rise liquid
Problem has the flexible packing lithium ion battery of long circulation life simultaneously again.
Utility model content
The purpose of this utility model is：For the deficiencies in the prior art, provide lithium ion battery structure, with increase lithium from
The anti-dropping ability of sub- battery, and improve the cycle performance of lithium ion battery.
To achieve these goals, this utility model adopts the following technical scheme that：
Lithium ion battery structure, the shell including naked battery core, packing naked battery core and the electrolysis being poured into described inside the shell
Liquid, described at least one summit of naked battery core is coated by porous adhesive tape.When lithium ion battery falls, the position on the summit of naked battery core
Usually from impaired serious place, by the coated porous adhesive tape in the summit of naked battery core, to protect to naked battery core, cladding is naked
The porous adhesive tape on the summit of battery core is filled between naked battery core and shell, and both prevented shell subsides it is also possible in lithium-ion electric
Play cushioning effect when pond is fallen, the anti-dropping ability of lithium ion battery can be effectively improved, and the loose structure of porous adhesive tape,
Can ensure that electrolyte passes through the micropore on porous adhesive tape and penetrates into naked battery core inside it is ensured that the infiltration of naked battery core, improve flexible package
The cycle performance of lithium ion battery.Wherein, the shell of packaging battery core is aluminum plastic film, steel plastic film and other metals and resin compounded
Packaging film.
As one kind improvement of lithium ion battery structure described in the utility model, the hole on described porous adhesive tape is polygon
Shape hole.
As one kind improvement of lithium ion battery structure described in the utility model, the hole on described porous adhesive tape is square
Hole.
As one kind improvement of lithium ion battery structure described in the utility model, the hole on described porous adhesive tape is circle
Hole.
As one kind improvement of lithium ion battery structure described in the utility model, the aperture of described circular port is 50 μm
～1mm.
As one kind improvement of lithium ion battery structure described in the utility model, the hole in the hole on described porous adhesive tape
Rate is 6%～60%.
As one kind improvement of lithium ion battery structure described in the utility model, each summit all quilts of described naked battery core
Described porous adhesive tape cladding, to protect each vertex position of naked battery core, more fully to protect to lithium ion battery, further
Strengthen the anti-drop ability of lithium ion battery；And be coated on the porous adhesive tape on naked each summit of battery core and can prop up shell, both gave
Electrolyte penetrates into naked battery core headspace it is also possible to fixing naked battery core, and when preventing from falling, naked battery core opposite shell moves, to subtract
Few impact to naked battery core.
As one kind improvement of lithium ion battery structure described in the utility model, each described porous adhesive tape coats simultaneously
Two summits.
As one kind improvement of lithium ion battery structure described in the utility model, deposit between two adjacent porous adhesive tapes
Spacing between spacing, adjacent porous adhesive tape is used for avoiding lug and the electrolyte circulation for inside the shell and penetrates into battery core
Space is provided.
As one kind improvement of lithium ion battery structure described in the utility model, naked battery core at least one side and in this face
Summit is coated by a porous adhesive tape.When battery core is for cube battery core, it is provided with two porous adhesive tapes respectively by the two of naked battery core
Individual side and the summit on side of being oppositely arranged coats, and is provided with spacing, to avoid lug, and protects between two porous adhesive tapes
The infiltration to naked battery core for the electrolyte in card aluminum plastic film.
The beneficial effects of the utility model are：Lithium ion battery structure is provided, including naked battery core, packs the outer of naked battery core
Shell and the electrolyte being poured into described inside the shell, described at least one summit of naked battery core is coated by porous adhesive tape.Work as lithium ion
When battery falls, the usually from impaired serious place in position on the summit of naked battery core, by coated porous on the summit of naked battery core
Adhesive tape, to protect to naked battery core, the porous adhesive tape coating the summit of naked battery core is filled between naked battery core and shell, both prevents
Stop subsiding it is also possible to play cushioning effect when lithium ion battery falls of shell, lithium ion battery can be effectively improved
Anti-dropping ability, and the loose structure of porous adhesive tape is it is ensured that the micropore that electrolyte passes through on porous adhesive tape penetrates in naked battery core
Portion, it is ensured that the infiltration of naked battery core, improves the cycle performance of flexible packing lithium ion battery.
Brief description
Fig. 1 is the structural representation of naked battery core.
Fig. 2 is the structural representation of this utility model embodiment 1（Lack casing part）.
Fig. 3 is the structural representation of this utility model embodiment 2（Lack casing part）.
Wherein, 1. naked battery core, 11. summits, 12. lugs, 2. porous adhesive tape.
Specific embodiment
Below in conjunction with specific embodiment and Figure of description, this utility model and its advantage are made detailed further
Describe in detail bright, but, specific embodiment of the present utility model is not limited thereto.
Embodiment 1
As illustrated in fig. 1 and 2, lithium ion battery structure, including naked battery core 1, packs the shell of naked battery core 1 and is poured into institute
State the electrolyte of inside the shell, described naked battery core 1 is rectangular structure, the naked battery core 1 of rectangular structure has eight summits 11, institute
Each summit 11 stating naked battery core 1 is all coated by porous adhesive tape 2.Hole on described porous adhesive tape 2 by polygonal hole or circle
Hole, porosity is 6%～60%, and when the hole on described porous adhesive tape 2 is for institute's circular port, the aperture of described circular port is 50 μm
～1mm.Wherein, described porous adhesive tape 2 coats two summits 11 simultaneously, therefore coats eight summit 11 totally four porous adhesive tapes 2,
There is spacing, to avoid the electrolyte in lug 12 and guarantee aluminum plastic film to naked battery core 1 between each two neighboring porous adhesive tape 2
Infiltration.
When lithium ion battery falls, the usually from impaired serious place in position on the summit 11 of naked battery core 1, by naked
The coated porous adhesive tape 2 in summit 11 of battery core 1, to protect, coats the porous adhesive tape 2 on the summit 11 of naked battery core 1 to naked battery core 1
It is filled between naked battery core 1 and shell, both prevented subsiding of shell from making it is also possible to play buffering when lithium ion battery falls
With the anti-dropping ability of lithium ion battery can be effectively improved, and the loose structure of porous adhesive tape 2 is it is ensured that electrolyte leads to
Cross the micropore on porous adhesive tape 2 and penetrate into naked battery core 1 inside it is ensured that the infiltration of naked battery core 1, improve following of flexible packing lithium ion battery
Ring performance.
Embodiment 2
As shown in figs. 1 and 3, lithium ion battery structure, including naked battery core 1, packs the shell of naked battery core 1 and is poured into institute
State the electrolyte of inside the shell, described naked battery core 1 is rectangular structure, and the battery core of rectangular structure has eight summits 11, described
Two of naked battery core 1 are oppositely arranged side and the summit on side 11 and are coated by two porous adhesive tapes 2 respectively, two porous glue
It is provided with spacing between band 2, to avoid lug 12, and ensure the infiltration to naked battery core 1 of electrolyte in aluminum plastic film.
Other technical characteristics are same as Example 1, will not be described here.
The announcement of book and teaching according to the above description, this utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is changed.Therefore, this utility model is not limited to above-mentioned specific embodiment, every this area skill
The done any conspicuously improved, replacement on the basis of this utility model of art personnel or modification belong to this practicality newly
The protection domain of type.Although additionally, employing some specific terms in this specification, these terms are intended merely to conveniently say
Bright, any restriction is not constituted to this utility model.
Claims (10)
1. lithium ion battery structure, the shell including naked battery core, packing naked battery core and the electrolyte being poured into described inside the shell,
It is characterized in that：Described at least one summit of naked battery core is coated by porous adhesive tape.
2. lithium ion battery structure according to claim 1 it is characterised in that：Hole on described porous adhesive tape is polygon
Hole.
3. lithium ion battery structure according to claim 2 it is characterised in that：Hole on described porous adhesive tape is square
Hole.
4. lithium ion battery structure according to claim 1 it is characterised in that：Hole on described porous adhesive tape is circle
Hole.
5. lithium ion battery structure according to claim 4 it is characterised in that：The aperture of described circular port be 50 μm～
1mm.
6. according to the arbitrary described lithium ion battery structure of claim 1 to 5 it is characterised in that：Hole on described porous adhesive tape
Porosity be 6%～60%.
7. lithium ion battery structure according to claim 1 it is characterised in that：Each summit of described naked battery core is all by institute
State porous adhesive tape cladding.
8. lithium ion battery structure according to claim 7 it is characterised in that：Each described porous adhesive tape coats two simultaneously
Individual summit.
9. according to the arbitrary described lithium ion battery structure of claim 7 and 8 it is characterised in that：Two adjacent porous adhesive tapes
Between there is spacing.
10. lithium ion battery structure according to claim 7 it is characterised in that：Naked battery core at least one side and in this face
Summit is coated by a porous adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859854.XU CN205960130U (en) | 2016-08-10 | 2016-08-10 | Lithium ion battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620859854.XU CN205960130U (en) | 2016-08-10 | 2016-08-10 | Lithium ion battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960130U true CN205960130U (en) | 2017-02-15 |
Family
ID=57975252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620859854.XU Active CN205960130U (en) | 2016-08-10 | 2016-08-10 | Lithium ion battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960130U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833994A (en) * | 2017-10-23 | 2018-03-23 | 捷开通讯(深圳)有限公司 | A kind of battery and its manufacture method, electronic equipment |
| CN110048036A (en) * | 2019-04-19 | 2019-07-23 | 桑顿新能源科技有限公司 | Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery |
| CN112582717A (en) * | 2020-12-07 | 2021-03-30 | 宁德新能源科技有限公司 | Battery with a battery cell |
| WO2021098455A1 (en) * | 2019-11-22 | 2021-05-27 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
-
2016
- 2016-08-10 CN CN201620859854.XU patent/CN205960130U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833994A (en) * | 2017-10-23 | 2018-03-23 | 捷开通讯(深圳)有限公司 | A kind of battery and its manufacture method, electronic equipment |
| CN110048036A (en) * | 2019-04-19 | 2019-07-23 | 桑顿新能源科技有限公司 | Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery |
| CN110048036B (en) * | 2019-04-19 | 2024-05-17 | 桑顿新能源科技有限公司 | Reinforcing rib sheet and preparation method thereof, battery cell and preparation method thereof, and soft package battery |
| WO2021098455A1 (en) * | 2019-11-22 | 2021-05-27 | 比亚迪股份有限公司 | Battery, battery module, battery pack and electric vehicle |
| CN112582717A (en) * | 2020-12-07 | 2021-03-30 | 宁德新能源科技有限公司 | Battery with a battery cell |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |