CN209641774U - Monomer rechargeable battery, rechargeable battery set and rechargeable battery packet - Google Patents
Monomer rechargeable battery, rechargeable battery set and rechargeable battery packet Download PDFInfo
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- CN209641774U CN209641774U CN201920778446.5U CN201920778446U CN209641774U CN 209641774 U CN209641774 U CN 209641774U CN 201920778446 U CN201920778446 U CN 201920778446U CN 209641774 U CN209641774 U CN 209641774U
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- rechargeable battery
- negative electrode
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- battery
- battery core
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- 239000000178 monomer Substances 0.000 title claims abstract description 66
- 230000005611 electricity Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 11
- 239000011888 foil Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K Iron(III) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000006256 anode slurry Substances 0.000 description 1
- 239000006257 cathode slurry Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052803 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- GLUCAHCCJMJHGV-UHFFFAOYSA-N dilithium;dioxido(oxo)titanium Chemical compound [Li+].[Li+].[O-][Ti]([O-])=O GLUCAHCCJMJHGV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding 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
-
- 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
Abstract
The utility model relates to a kind of monomer rechargeable battery, rechargeable battery set and rechargeable battery packets, wherein monomer rechargeable battery includes: the first battery core, including the first positive plate, the first negative electrode tab and the first diaphragm, the first diaphragm is for being isolated the first positive plate and the first negative electrode tab；With the second battery core, including the second positive plate, the second negative electrode tab and the second diaphragm, the second diaphragm is used to that the second positive plate to be isolated and the second negative electrode tab, the second battery core and the first battery core are mutually indepedent.Rechargeable battery set includes multiple monomer rechargeable batteries.Rechargeable battery packet includes multiple rechargeable battery sets.The first battery core and the second battery core in the utility model can be used for charging simultaneously, can be used for discharging simultaneously, to improve the voltage rating and rated current of monomer rechargeable battery；Can with one for charge and another for discharging, to realize while be charged and discharged, and the first battery core and the second battery core are mutually indepedent, and charge and discharge each other will not influence each other, and performance is more stable and safe.
Description
Technical field
The utility model relates to rechargeable battery technical field more particularly to a kind of monomer rechargeable battery, rechargeable battery set and
Rechargeable battery packet.
Background technique
Currently, the voltage rating of monomer lithium ion battery is different according to the difference of positive and negative pole material, wherein lithium titanate is electric
The voltage rating in pond is 2.3V, and the voltage rating of ferric phosphate lithium cell is 3.2V, and the voltage rating of lithium manganate battery is 3.4V, three
The voltage rating of first lithium battery is 3.65V, and the voltage rating of cobalt acid lithium is 3.9V.
The voltage rating of single battery is all relatively low, in order to meet application (such as power grid height of high voltage or high current occasion
Press DC bus-bar voltage), it needs to carry out voltage/current conversion with inverter (transformer/current transformer), but inverter progress is low
There can be energy loss when pressing/flow to high pressure/circulation to change.In order to reduce waste, current/voltage need to be carried out to battery side and mentioned
It rises, i.e., parallel/series is carried out to single battery.Parallel connection can hoist capacity (electric current), series connection can promote voltage.Needing high current
Application scenarios under need to carry out multiple single batteries in parallel, carry out the promotion of capacity (electric current)；Needing answering for high voltage
With scene, then needs to carry out battery series connection, carry out the promotion of voltage.
In order to reduce the quantity of single battery in parallel or series, need to configure different size under different application scenarios
Single battery, this just needs to be redesigned in single battery production process, the debugging of technique, tooling, equipment with more
It changes, process is complicated, and the versatility of single battery is poor.
It should be noted that the information for being disclosed in the utility model background technology part is merely intended to increase to originally practical new
The understanding of the general background of type, and be not construed as recognizing or implying in any form that information composition has been art technology
The prior art well known to personnel.
Utility model content
The purpose of this utility model is to propose a kind of monomer rechargeable battery, rechargeable battery set and rechargeable battery packet, is improved single
The versatility of bulk charging battery.
To achieve the above object, the utility model provides a kind of rechargeable battery, comprising:
First battery core, including the first positive plate, the first negative electrode tab and the first diaphragm, the first diaphragm is for being isolated the first anode
Piece and the first negative electrode tab；With
Second battery core, including the second positive plate, the second negative electrode tab and the second diaphragm, the second diaphragm is for being isolated the second anode
Piece and the second negative electrode tab, the second battery core and the first battery core are mutually indepedent.
In some embodiments, the first battery core and the second battery core arranged stacked.
In some embodiments, the first diaphragm wraps up the first positive plate and the first negative electrode tab inside it.
In some embodiments, the second diaphragm wraps up the second positive plate and the second negative electrode tab inside it.
In some embodiments, monomer rechargeable battery further includes shell, and the first battery core and the second battery core are arranged at shell
It is interior.
In some embodiments, the first battery core includes the first anode ear and the first negative electrode lug, and the second battery core includes second just
Tab and the second negative electrode lug, the first anode ear, the first negative electrode lug, the second anode ear and the second negative electrode lug are respectively since shell stretches out.
In some embodiments, the first battery core includes the first core, and the first anode ear and the first negative electrode lug are both connected to the
The same end of one core or the both ends for being connected to the first core.
In some embodiments, the second battery core includes the second core, and the second anode ear and the second negative electrode lug are both connected to the
The same end of two cores or the both ends for being connected to the second core.
In some embodiments, monomer rechargeable battery further includes the first conducting wire, the first conducting wire be connected to the first anode ear and
Between second negative electrode lug or between the second anode ear and the first negative electrode lug.
In some embodiments, monomer rechargeable battery further includes the second conducting wire and privates, and the second conducting wire is connected to
Between one anode ear and the second anode ear, privates is connected between the first negative electrode lug and the second negative electrode lug.
To achieve the above object, the utility model additionally provides a kind of rechargeable battery set, fills including multiple above-mentioned monomers
Battery.
To achieve the above object, the utility model additionally provides a kind of rechargeable battery packet, including multiple above-mentioned charging electricity
Pond group.
It based on the above-mentioned technical proposal, include mutually independent first battery core in the utility model monomer rechargeable battery embodiment
With the second battery core, the first battery core and the second battery core can be used for charging simultaneously, can be used for discharging simultaneously, can be with a use
In charging, another is used to discharge；When the first battery core and the second battery core charge simultaneously and discharge simultaneously, the first battery core and the
Two battery cores can connect, and to improve the voltage rating of monomer rechargeable battery, the first battery core and the second battery core can also be in parallel, to mention
The rated current of high monomer rechargeable battery improves the versatility of monomer rechargeable battery；One in the first battery core and the second battery core
It is a for charge and another for discharge when, then so that the same monomer rechargeable battery is can be realized while is charged and discharged, and
And first battery core and the second battery core it is mutually indepedent, charge and discharge each other will not influence each other, performance it is more stable and
Safety.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the first battery core in the utility model monomer rechargeable battery one embodiment.
Fig. 2 is the structural schematic diagram of the second battery core in the utility model monomer rechargeable battery one embodiment.
Fig. 3 is the arrangement of the first battery core and the second battery core signal in the utility model monomer rechargeable battery one embodiment
Figure.
Fig. 4 is the structural schematic diagram of the utility model monomer rechargeable battery one embodiment.
Fig. 5 is the structural schematic diagram of another embodiment of the utility model monomer rechargeable battery.
Fig. 6 is the structural schematic diagram of another embodiment of the utility model monomer rechargeable battery.
Fig. 7 is structural representation of the pole piece before cutting employed in the utility model monomer rechargeable battery one embodiment
Figure.
Fig. 8 is structural representation of the pole piece after cutting employed in the utility model monomer rechargeable battery one embodiment
Figure.
Fig. 9 is the structural schematic diagram in the utility model monomer rechargeable battery one embodiment after pole piece coiling.
Figure 10 is the structural schematic diagram in the utility model monomer rechargeable battery one embodiment after pole piece hot pressing.
Figure 11 is the interior roll of the first core in the utility model monomer rechargeable battery one embodiment around schematic diagram.
In figure:
10, the first battery core；20, the second battery core；30, shell；40, the first conducting wire；50, the second conducting wire；60, privates；
70, expect area；80, empty foil；
11, the first anode ear；12, the first negative electrode lug；13, the first core；14, positive electrode metallic foil；15, negative electrode metallic foil；
131, the first positive plate；132, the first negative electrode tab；133, the first diaphragm；
21, the second anode ear；22, the second negative electrode lug；23, the second core.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, the technical solution in embodiment is carried out it is clear, complete
Ground description.Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, institute obtained by those of ordinary skill in the art without making creative efforts
There are other embodiments, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to scope of protection of the utility model.
With reference to shown in Fig. 1~3 and Figure 11, in an illustrative examples of monomer rechargeable battery provided by the utility model
In, which includes the first battery core 10 and the second battery core 20, and as shown in Fig. 1 and Figure 11, the first battery core 10 includes the
One positive plate 131, the first negative electrode tab 132 and the first diaphragm 133, the first diaphragm 133 is for being isolated the first positive plate 131 and first
Negative electrode tab 132, as shown in Fig. 2, the second battery core 20 includes the second positive plate, the second negative electrode tab and the second diaphragm, the second diaphragm is used
In the second positive plate and the second negative electrode tab is isolated, as shown in figure 3, the second battery core 20 and the first battery core 10 are mutually indepedent.
In the above-described embodiments, monomer rechargeable battery includes mutually independent first battery core 10 and the second battery core 20, and first
Battery core 10 and the second battery core 20 can be used for charging simultaneously, can be used for discharging simultaneously, can be another for charging with one
One for discharging；When charging with discharging simultaneously simultaneously for the first battery core 10 and the second battery core 20, the first battery core 10 and the second electricity
Core 20 can connect, and to improve the voltage rating of monomer rechargeable battery, the first battery core 10 and the second battery core 20 can also be in parallel, with
The rated current of monomer rechargeable battery is improved, the versatility of monomer rechargeable battery is improved；In the first battery core 10 and the second battery core 20
In one for charge and another for discharge when, then can be realized the same monomer rechargeable battery while charging and putting
Electricity, and the first battery core 10 and the second battery core 20 are mutually indepedent, and charge and discharge each other will not influence each other, and performance is more
Add stable and safety.
After the same monomer rechargeable battery is realized while being charged and discharged, round-the-clock running in 24 hours may be implemented.Moreover,
Existing single battery is influenced greatly by ambient temperature, and the discharging efficiency of (- 5 DEG C~20 DEG C) is low at low ambient temperatures, is had
There is also the situations that can not put electricity a bit, and the utility model embodiment realizes while after being charged and discharged, and battery is released when charging
The heat put can reduce influence of the external environment to discharge process, can promote the discharging efficiency under low temperature.
Optionally, 20 arranged stacked of the first battery core 10 and the second battery core.
As shown in figure 3, the first battery core 10 and the overlapping of the second about 20 battery core, the benefit being arranged in this way are to can reduce the
The overall volume of one battery core 10 and the second battery core 20, and then reduce the size of monomer rechargeable battery.
Optionally, the first diaphragm 133 by the first positive plate 131 and the first negative electrode tab 132 package inside it, i.e., first every
Film 133 can it is fully wrapped around live the first positive plate 131 and the first negative electrode tab 132, make the first positive plate 131 and the first negative electrode tab
132 are not exposed to outside the first diaphragm 133, and setting in this way can preferably avoid the first positive plate 131 and the first negative electrode tab
132 are influenced by other electrical conductions (such as the second positive plate and second negative electrode tab), guarantee the charge and discharge of the first battery core 10
It is not influenced by other component.
Optionally, the second diaphragm wraps up the second positive plate and the second negative electrode tab inside it, i.e., the second diaphragm can be complete
The second positive plate and the second negative electrode tab are wrapped entirely, the second positive plate and the second negative electrode tab is made to be not exposed to the second diaphragm
Outside, setting can preferably avoid the second positive plate and the second negative electrode tab by other electrical conductions (such as the first anode in this way
Piece 131 and the first negative electrode tab 132) influence, guarantee the second battery core 20 charge and discharge do not influenced by other component.
As shown in figure 4, monomer rechargeable battery can also include shell 30, the first battery core 10 and the second battery core 20 are arranged at
In shell 30.First battery core 10 and the second battery core 20 are wrapped in same housing 30, to form a monomer rechargeable battery.
First battery core 10 includes the first anode ear 11 and the first negative electrode lug 12, and the second battery core 20 includes 21 He of the second anode ear
Second negative electrode lug 22, the first anode ear 11, the first negative electrode lug 12, the second anode ear 21 and the second negative electrode lug 22 are respectively since shell 30
It stretches out, setting in this way can be improved for user according to actual needs by 20 serial or parallel connection of the first battery core 10 and the second battery core
The versatility of monomer rechargeable battery.
As shown in figure 5, monomer rechargeable battery includes the first conducting wire 40, the first conducting wire 40 is connected to the first anode ear 11 and the
Between two negative electrode lugs 22 or between the second anode ear 21 and the first negative electrode lug 12, the first battery core 10 and the second electricity can be made in this way
Core 20 is connected, and the voltage rating of monomer rechargeable battery is improved.
As shown in fig. 6, monomer rechargeable battery includes the second conducting wire 50 and privates 60, the second conducting wire 50 is connected to first
Between anode ear 11 and the second anode ear 21, privates 60 is connected between the first negative electrode lug 12 and the second negative electrode lug 22, this
Sample can make the first battery core 10 in parallel with the second battery core 20, improve the rated current of monomer rechargeable battery.
As shown in Figure 1, the first battery core 10 includes the first core 13, the first anode ear 11 and the first negative electrode lug 12 are both connected to
The same end of first core 13 or the both ends for being connected to the first core 13.
As shown in Fig. 2, the second battery core 20 includes the second core 23, the second anode ear 21 and the second negative electrode lug 22 are both connected to
The same end of second core 23 or the both ends for being connected to the second core 23.
With reference to the accompanying drawing in 7~10 pairs of the utility model embodiments the first battery core 10 and the second battery core 20 forming method
It is illustrated.
It is illustrated by taking the first battery core 10 as an example, the forming method used is full tab winding process.
Firstly, stirring anode and cathode slurry by stirring technique, it is coated technique after the completion of stirring, the state of pole piece after coating
As shown in fig. 7, pole piece includes material area 70, the two sides in material area 70 are empty foil 80；
Then, roll-in cutting is carried out to pole piece, the pole piece state after cutting is as shown in Figure 8；
Then, as shown in figure 11, the first positive plate 131, the first negative electrode tab 132 and the first diaphragm 133 are wound, are rolled up
Around when the first diaphragm 133 between the first positive plate 131 and the first negative electrode tab 132, the first positive plate 131 and first is isolated
Negative electrode tab 132, and the first diaphragm 133 can be with fully wrapped around first positive plate 131 and the first negative electrode tab 132.In addition to Figure 11 institute
Outside the winding method shown, the first core 13 can also be formed using other winding methods, as long as the first positive plate 131 can be made
It is separated with the first negative electrode tab 132 and the first positive plate 131 and the first negative electrode tab 132 is wrapped in the inside of the first diaphragm 133
, the first core 13 for being formed after the first positive plate 131, the first negative electrode tab 132 and the first diaphragm 133 winding as shown in figure 9,
The both ends of first core 13 are respectively equipped with positive electrode metallic foil 14 and negative electrode metallic foil 15, for example positive electrode metallic foil 14 can use aluminium
Foil, negative electrode metallic foil 15 can use copper foil；
Finally, carrying out hot pressing to the first core 13, the first core 13 after hot pressing is as shown in Figure 10, in the first core after hot pressing
The first anode ear 11 and the first negative electrode lug 12 is respectively welded in the both ends of body 13, and the structure after welding is as shown in Figure 1.
Further, can at the first anode ear 11, the first negative electrode lug 12, positive electrode metallic foil 14 and negative electrode metallic foil 15 into
Row insulation processing, for example paste insulating tape.
So far, the first battery core 10 is just formd.The forming method of first battery core 10 other than full tab winding process,
It can be using other forming methods, such as monopole ear winding process, lamination process etc..Second battery core 20 can use and the first electricity
The identical forming method of core 10 can also use different forming methods.
After first battery core 10 and the second battery core 20 form, the first battery core 10 and the overlapping of the second about 20 battery core are placed,
As shown in Figure 3；Then the first battery core 10 and the second battery core 20 are encapsulated in same housing 30, for example, can using aluminum plastic film into
Row encapsulation；A monomer rechargeable battery is formed after encapsulation after fluid injection, chemical conversion, partial volume, as shown in Figure 4.
Based on above-mentioned monomer rechargeable battery, the utility model also proposes a kind of rechargeable battery set, the rechargeable battery set packet
Include multiple above-mentioned monomer rechargeable batteries.Assembling mode and connection type between multiple monomer rechargeable batteries can there are many choosings
It selects.
Based on above-mentioned rechargeable battery set, the utility model also proposes a kind of rechargeable battery packet, which includes
Multiple above-mentioned rechargeable battery sets.Assembling mode and connection type between multiple rechargeable battery sets can there are many selections.
Positive technical effect possessed by monomer rechargeable battery is equally applicable to rechargeable battery set in above-mentioned each embodiment
With rechargeable battery packet, which is not described herein again.
In above-mentioned each embodiment, monomer rechargeable battery can be monomer lithium ion battery, and rechargeable battery set is lithium electricity
Pond group, rechargeable battery packet are lithium battery pack.Certainly, monomer rechargeable battery may be other kinds of chargeable and electric discharge list
Body battery, correspondingly, rechargeable battery set and rechargeable battery packet may be other kinds of chargeable and electric discharge battery pack and
Battery pack.
Pass through saying for multiple embodiments to the utility model monomer rechargeable battery, rechargeable battery set and rechargeable battery packet
It is bright, it can be seen that the utility model monomer rechargeable battery, rechargeable battery set and rechargeable battery packet embodiment at least have with next
Kind or a variety of advantages:
1, the first battery core and the second battery core are mutually indepedent, and charge and discharge each other will not influence each other；
2, the first battery core and the second battery core arranged stacked, can reduce the volume of monomer rechargeable battery；
3, two tabs of the first battery core and two tabs of the second battery core, when in use can roots respectively since shell stretching
According to needing the first battery core and the second battery core in parallel or series, to improve the rated current or voltage rating of monomer rechargeable battery；
4, the first diaphragm is fully wrapped around inside it by the first positive plate and the first negative electrode tab, and the second diaphragm is positive by second
Piece and the second negative electrode tab are fully wrapped around inside it, it is possible to prevente effectively from the charge and discharge of the charge and discharge of the first battery core and the second battery core
Between generate and influence each other；
5, it by the first battery core of setting and the second battery core, may be implemented to be charged and discharged simultaneously, realize round-the-clock fortune for 24 hours
Row can also reduce influence of the external environment to discharge process, improve the discharging efficiency under low temperature environment.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (12)
1. a kind of monomer rechargeable battery characterized by comprising
First battery core (10), including the first positive plate (131), the first negative electrode tab (132) and the first diaphragm (133), described first
Diaphragm (133) is for being isolated first positive plate (131) and first negative electrode tab (132)；With
Second battery core (20), including the second positive plate, the second negative electrode tab and the second diaphragm, second diaphragm are described for being isolated
Second positive plate and second negative electrode tab, second battery core (20) and first battery core (10) are mutually indepedent.
2. monomer rechargeable battery according to claim 1, which is characterized in that first battery core (10) and second electricity
Core (20) arranged stacked.
3. monomer rechargeable battery according to claim 1, which is characterized in that first diaphragm (133) is by described first
Positive plate (131) and first negative electrode tab (132) package are inside it.
4. monomer rechargeable battery according to claim 1 or 3, which is characterized in that second diaphragm by described second just
Pole piece and second negative electrode tab package are inside it.
5. monomer rechargeable battery according to claim 1, which is characterized in that further include shell (30), first battery core
(10) it is arranged in the shell (30) with second battery core (20).
6. monomer rechargeable battery according to claim 5, which is characterized in that first battery core (10) includes the first anode
Ear (11) and the first negative electrode lug (12), second battery core (20) include the second anode ear (21) and the second negative electrode lug (22), institute
It is each to state the first anode ear (11), first negative electrode lug (12), second anode ear (21) and second negative electrode lug (22)
Since the shell (30) are stretched out.
7. monomer rechargeable battery according to claim 6, which is characterized in that first battery core (10) includes the first core
(13), first anode ear (11) and first negative electrode lug (12) be both connected to first core (13) the same end or
Person is connected to the both ends of first core (13).
8. monomer rechargeable battery according to claim 6, which is characterized in that second battery core (20) includes the second core
(23), second anode ear (21) and second negative electrode lug (22) be both connected to second core (23) the same end or
Person is connected to the both ends of second core (23).
9. monomer rechargeable battery according to claim 6, which is characterized in that it further include the first conducting wire (40), described first
Conducting wire (40) is connected between first anode ear (11) and second negative electrode lug (22) or second anode ear
(21) between first negative electrode lug (12).
10. monomer rechargeable battery according to claim 6, which is characterized in that further include that the second conducting wire (50) and third are led
Line (60), second conducting wire (50) is connected between first anode ear (11) and second anode ear (21), described
Privates (60) is connected between first negative electrode lug (12) and second negative electrode lug (22).
11. a kind of rechargeable battery set, which is characterized in that including multiple such as the described in any item monomer chargings of claim 1~10
Battery.
12. a kind of rechargeable battery packet, which is characterized in that including multiple rechargeable battery sets as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778446.5U CN209641774U (en) | 2019-05-28 | 2019-05-28 | Monomer rechargeable battery, rechargeable battery set and rechargeable battery packet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778446.5U CN209641774U (en) | 2019-05-28 | 2019-05-28 | Monomer rechargeable battery, rechargeable battery set and rechargeable battery packet |
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| CN209641774U true CN209641774U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234247A (en) * | 2020-11-18 | 2021-01-15 | 珠海冠宇电池股份有限公司 | Lithium ion battery |
-
2019
- 2019-05-28 CN CN201920778446.5U patent/CN209641774U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234247A (en) * | 2020-11-18 | 2021-01-15 | 珠海冠宇电池股份有限公司 | Lithium ion battery |
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