CN208157471U - A kind of polymer Li-ion battery group - Google Patents

A kind of polymer Li-ion battery group Download PDF

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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
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China
Prior art keywords
ion battery
polymer
lithium ion
cell
basic unit
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CN201820467522.6U
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Chinese (zh)
Inventor
郭首臣
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Dongguan Friendly Amperex Technology Ltd
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Dongguan Friendly Amperex Technology Ltd
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Priority to CN201820467522.6U priority Critical patent/CN208157471U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a kind of polymer Li-ion battery groups; 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; for the thermal insulation board 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, and the polymer lithium ion battery cell series connection, the metal plate is between the two adjacent polymer lithium ion battery cells.The polymer Li-ion battery group, structure is simple and good heat dissipation effect.

Description

A kind of polymer Li-ion battery group
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.
CN201820467522.6U 2018-03-30 2018-03-30 A kind of polymer Li-ion battery group Active CN208157471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820467522.6U CN208157471U (en) 2018-03-30 2018-03-30 A kind of polymer Li-ion battery group

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820467522.6U CN208157471U (en) 2018-03-30 2018-03-30 A kind of polymer Li-ion battery group

Publications (1)

Publication Number Publication Date
CN208157471U true CN208157471U (en) 2018-11-27

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Application Number Title Priority Date Filing Date
CN201820467522.6U Active CN208157471U (en) 2018-03-30 2018-03-30 A kind of polymer Li-ion battery group

Country Status (1)

Country Link
CN (1) CN208157471U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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