CN208157471U - A polymer lithium ion battery pack - Google Patents
A polymer lithium ion battery pack Download PDFInfo
- Publication number
- CN208157471U CN208157471U CN201820467522.6U CN201820467522U CN208157471U CN 208157471 U CN208157471 U CN 208157471U CN 201820467522 U CN201820467522 U CN 201820467522U CN 208157471 U CN208157471 U CN 208157471U
- Authority
- CN
- China
- Prior art keywords
- ion battery
- polymer
- lithium ion
- polymer lithium
- cell
- 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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Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 77
- 229920000642 polymer Polymers 0.000 title claims abstract description 76
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a polymer lithium ion battery pack, which comprises a shell, at least two basic battery units, a heat insulation plate and a protection circuit board, wherein the basic battery units, the heat insulation plate and the protection circuit board are all arranged in the shell, the heat insulation plate is positioned between two adjacent basic battery units, and the basic battery units are mutually connected in parallel and connected with the protection circuit board; the battery basic unit comprises more than two polymer lithium ion electric cores and a metal plate, wherein the polymer lithium ion electric cores are connected in series, and the metal plate is arranged between two adjacent polymer lithium ion electric cores. The polymer lithium ion battery pack is simple in structure and good in heat dissipation effect.
Description
Technical field
The utility model relates to the technical fields of battery, in particular to polymer Li-ion battery group.
Background technique
Battery in modern society's life various aspects performance have great role, be especially widely used in mobile power source,
The fields such as tablet computer and medical instrument.Utilize the battery as energy source, available have a burning voltage, stabling current,
Long-time stable power supply, the electric current of very little is influenced by the external world, and battery structure is simple, easy to carry, charge and discharge are easy to operate
It is easy, it is not influenced by outside climatic and temperature, it is stable and reliable for performance.
But it is directed to the prior art, battery easily generates heat in application process, security risk is generated, for this purpose, we have proposed
A kind of polymer Li-ion battery group effectively to radiate.
Utility model content
The main purpose of the utility model is to provide a kind of polymer Li-ion battery groups, have structure simple and radiate
The good advantage of effect.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of polymer Li-ion battery group, including shell, at least two cell basic units, thermal insulation board and protection circuit
Plate, the cell basic unit, the thermal insulation board and the protection circuit plate plate are disposed in the housing, the thermal insulation board position
Between adjacent two cell basic unit, the cell basic unit is parallel with one another and connect with the protection circuit plate；
The cell basic unit includes more than two polymer lithium ion battery cells and metal plate, the polymer lithium ion battery cell string
Connection, the metal plate are set between the two adjacent polymer lithium ion battery cells.
Preferably, the cell basic unit includes two polymer lithium ion battery cells, the two polymer Li-ion electricity
Core is arranged side by side, and the first anode of a polymer lithium ion battery cell is upwards and the first cathode is downward, another polymer
Second anode of lithium-ion electric core is upwards and the second cathode is downward, and first anode is electrically connected with second cathode.
Preferably, an insulation spacer is equipped between the polymer lithium ion battery cell and the protection circuit plate.
Preferably, a through-hole is provided on the insulation spacer, first cathode or second anode are connected to
The electric wire of the protection circuit plate is placed through in the through-hole.
Preferably, the cell basic unit further includes fixed frame, is equipped with a fixing piece at left and right sides of the fixed frame,
The polymer lithium ion battery cell is snapped into the fixing piece and is fixed, the metal plate two sides with two polymer
Lithium-ion electric core fitting.
Preferably, charging interface and circumscribed USB interface are additionally provided on the shell.
Compared with prior art, it has the beneficial effect that：Pass through the series-parallel composition polymer lithium of polymer lithium ion battery cell
Ion battery group meets the requirement of the voltage and current of required battery pack according to the series and parallel structure that customer demand changes battery pack；
Metal plate is placed between polymer lithium ion battery cell, metal plate transmits the heat of polymer Li-ion battery group, plays heat dissipation
Effect；Meanwhile thermal insulation board being added between cell basic unit, the heat transfer between two cell basic units is prevented, is increased
The service life of strength polymer Li-ion batteries piles；And the electrode of polymer lithium ion battery cell is electrically connected on the pcb board,
Configuration in use process is simplified, while being avoided that the short circuit safety that multiple polymer lithium ion battery cells are directly connected to generate
Hidden danger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model polymer Li-ion battery group.
Fig. 2 is the overlooking structure diagram of the utility model cell basic unit.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Li-ion batteries piles are rechargeable battery, are charged for electronic product.Polymer Li-ion (Polymer
Lithium-Ion Battery) battery have the characteristics that miniaturization, slimming, it is light-weighted, therefore, polymer Li-ion battery
Occupy in market and gradually increases.The utility model changes mainly for what the heat dissipation aspect of polymer Li-ion battery group 100 carried out
Into polymer Li-ion battery group 100 includes shell 10, at least two cell basic units 20, thermal insulation board 30 and protection circuit
Plate 40, cell basic unit 20, thermal insulation board 30 and protection circuit plate 40 are set in shell 10.
Fig. 1 is the structural schematic diagram of the polymer Li-ion battery group 100 of the utility model embodiment, as shown in Figure 1, this
Embodiment includes 10, two cell basic units 20 of shell, thermal insulation board 30 and protection circuit plate 40, but to cell basic unit 20
Number do not do specific limitation, as long as be greater than or equal to two.Specifically, the thermal insulation board 30 of the present embodiment is located at
Between adjacent two cell basic unit 20, thermal insulation board 30 is for avoiding heat from being transmitted between two cell basic units 20.
Furthermore cell basic unit 20 is parallel with one another, and cell basic unit 20 includes more than two polymer lithium ion battery cells 21, this
It include two polymer lithium ion battery cells 21 in the cell basic unit 20 of embodiment, but not to polymer lithium ion battery cell 21
Number be specifically limited.Polymer lithium ion battery cell 21 is serially connected, and the series-parallel electric wire in Fig. 1 is not marked in the graphic
Out.By the series connection of polymer lithium ion battery cell 21 and the cell basic unit 20 being made of polymer lithium ion battery cell 21 and
Connection meets the parameters such as voltage, the electric current of the setting of polymer Li-ion battery group 100.Further, the battery after parallel connection is substantially single
Member 20 is connect with protection circuit plate 40, and protection circuit plate 40 can effectively avoid the feelings such as overload current, overload voltage, zero load, short circuit
Condition generates destruction to entire polymer Li-ion battery group 100.
Further, the cell basic unit 20 of the present embodiment further includes metal plate 22, and it is adjacent poly- that metal plate 22 is set to two
It closes between object lithium-ion electric core 21, the heat that metal plate 22 generates polymer lithium ion battery cell 21 carries out heat transfer, avoids gathering
It closes the high heat that object lithium-ion electric core 21 generates and generates explosion.
Further, the structure of cell basic unit 20 is described in detail：The cell basic unit of the present embodiment
20 include two polymer lithium ion battery cells 21, and two polymer lithium ion battery cells 21 are arranged side by side, a polymer lithium ion battery cell
21 the first anode is upwards and the first cathode is downward, positive upward and the second cathode of the second of another polymer lithium ion battery cell 21
Downwards, the first anode is electrically connected with the second cathode, and the electric wire of the electrical connection in figure does not mark in the graphic.
Further, an insulation spacer 50, felt pad are equipped between polymer lithium ion battery cell 21 and protection circuit plate 40
Piece 50 avoids polymer lithium ion battery cell 21 from directly contacting with protection circuit plate 40, to be effectively prevented from short circuit.Furthermore exhausted
A through-hole (not shown) is provided on edge gasket 50.Protection circuit plate 40 can be set to cell basic unit 20 top or under
Side：When protection circuit plate 40 is set to the lower section of cell basic unit 20, the first cathode is connect with protection circuit plate 40, and first is negative
The electric wire that pole is connected to protection circuit plate 40 is placed through in through-hole；When protection circuit plate 40 is set to the top of cell basic unit 20
When, the second anode is connect with protection circuit plate 40, and the electric wire that the second anode is connected to protection circuit plate 40 is placed through in through-hole.
Please continue to refer to Fig. 1, Fig. 2, the cell basic unit 20 of the present embodiment further includes fixed frame 23, fixed frame 23 or so
Two sides are equipped with a fixing piece 231, and polymer lithium ion battery cell 21 is snapped into fixing piece 231 and is fixed, and 22 liang of metal plate
Side is bonded with two polymer lithium ion battery cells 21.
Furthermore charging interface (not shown) and circumscribed USB interface are additionally provided on the shell 10 of the present embodiment (in figure not
Show).Charging interface connects electronic product, for charging to electronic product；Circumscribed USB interface connects external power supply, is used for
It charges to polymer Li-ion battery mobile power source.
Compared with prior art, it has the beneficial effect that：Pass through the series-parallel composition polymer of polymer lithium ion battery cell 21
Li-ion batteries piles 100 meet the voltage and current of required battery pack according to the series and parallel structure that customer demand changes battery pack
It is required that；Metal plate 22 is placed between polymer lithium ion battery cell 21, metal plate 22 transmits the heat of polymer Li-ion battery group 100
Amount, plays the role of heat dissipation；Meanwhile thermal insulation board 30 being added between cell basic unit 20, prevent two cell basic units
Heat transfer between 20 enhances the service life of polymer Li-ion battery group 100；And by polymer lithium ion battery cell 21
Electrode is electrically connected on the pcb board, simplifies configuration in use process, while being avoided that multiple polymer Li-ion electricity
Core 21 is directly connected to the short-circuit security risk generated.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of polymer Li-ion battery group, which is characterized in that including shell, at least two cell basic units, thermal insulation board
And protection circuit plate, the cell basic unit, the thermal insulation board and the protection circuit plate plate are disposed in the housing, institute
Thermal insulation board is stated between adjacent two cell basic unit, the cell basic unit is parallel with one another and electric with the protection
The connection of road plate；The cell basic unit includes more than two polymer lithium ion battery cells and metal plate, the polymer lithium
The series connection of ion battery core, the metal plate are set between the two adjacent polymer lithium ion battery cells.
2. polymer Li-ion battery group according to claim 1, which is characterized in that the cell basic unit includes two
A polymer lithium ion battery cell, two polymer lithium ion battery cells are arranged side by side, and the of a polymer lithium ion battery cell
One anode upwards and the first cathode it is downward, another polymer lithium ion battery cell second anode upwards and the second cathode to
Under, first anode is electrically connected with second cathode.
3. polymer Li-ion battery group according to claim 1, which is characterized in that the polymer lithium ion battery cell with
An insulation spacer is equipped between the protection circuit plate.
4. polymer Li-ion battery group according to claim 2, which is characterized in that be provided on the insulation spacer
The electric wire that one through-hole, first cathode or second anode are connected to the protection circuit plate is placed through in the through-hole.
5. polymer Li-ion battery group according to claim 1, which is characterized in that the cell basic unit further includes
Fixed frame, the fixed frame left and right sides are equipped with a fixing piece, and the polymer lithium ion battery cell is snapped into the fixing piece
It is inside fixed, the metal plate two sides are bonded with two polymer lithium ion battery cells.
6. polymer Li-ion battery group according to claim 1, which is characterized in that be additionally provided with charging on the shell
Mouth and circumscribed USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467522.6U CN208157471U (en) | 2018-03-30 | 2018-03-30 | A polymer lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467522.6U CN208157471U (en) | 2018-03-30 | 2018-03-30 | A polymer lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208157471U true CN208157471U (en) | 2018-11-27 |
Family
ID=64381215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820467522.6U Active CN208157471U (en) | 2018-03-30 | 2018-03-30 | A polymer lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208157471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114556677A (en) * | 2020-06-26 | 2022-05-27 | 凯尊创新有限公司 | Battery system |
-
2018
- 2018-03-30 CN CN201820467522.6U patent/CN208157471U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114556677A (en) * | 2020-06-26 | 2022-05-27 | 凯尊创新有限公司 | Battery system |
| CN114556677B (en) * | 2020-06-26 | 2023-09-12 | 凯尊创新有限公司 | battery system |
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