CN208570806U - A kind of multi pole ears composite lithium ion cell - Google Patents
A kind of multi pole ears composite lithium ion cell Download PDFInfo
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- CN208570806U CN208570806U CN201821140220.4U CN201821140220U CN208570806U CN 208570806 U CN208570806 U CN 208570806U CN 201821140220 U CN201821140220 U CN 201821140220U CN 208570806 U CN208570806 U CN 208570806U
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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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Abstract
The utility model discloses a kind of multi pole ears composite lithium ion cells, it includes shell, pole piece, diaphragm, tab, insulating trip, tabletting, lid etc., it is characterized by: being equipped with diaphragm between positive plate and negative electrode tab, shell is rectangle shell, insulating trip is equipped between tabletting and pole piece, lid is connected with shell, safety valve is fixedly connected with lid, lid is equipped with liquid injection hole, electrolyte is filled between pole piece and diaphragm, tab includes anode ear and negative electrode lug, two and more than two anode ears are evenly arranged on the left side of shell, two and more than two negative electrode lugs are evenly arranged on the right side of shell, the utility model can greatly reduce the time of charging, and the tab being evenly distributed current balance type during the charging process, voltage stabilization, reduce the damage to itself, tab in the utility model is the plate-like pole equipped with dotted cut Ear is taken conveniently, and cutting when not needing to reuse reduces labor intensity.
Description
Technical field
The utility model relates to field of lithium ion battery, more particularly, to a kind of multi pole ears composite lithium ion cell.
Background technique
Composite lithium ion cell is rechargeable secondary lithium battery, and lithium ion battery is distributed in what we lived
Each corner, application field include mobile phone, tablet computer, laptop, smartwatch, mobile power source, emergency power supply,
Shaver, electric bicycle, electric car, electric bus, vista car, unmanned plane and other kinds electric tool,
As the carrier of electric energy and the power resources of numerous equipment.
Utility model content
The purpose of this utility model provides a kind of tab and quickly-chargeable with dotted cut, and electric current is flat when charging
The multi pole ears composite lithium ion cell of weighing apparatus, voltage stabilization.
In order to solve the above technical problems, the technical solution of the utility model are as follows: a kind of multi pole ears composite lithium ion cell, packet
Include shell, pole piece, diaphragm, tab, insulating trip, tabletting, lid, safety valve, liquid injection hole and electrolyte, it is characterised in that: above-mentioned
Pole piece includes positive plate and negative electrode tab, and above-mentioned diaphragm is equipped between above-mentioned positive plate and above-mentioned negative electrode tab, and above-mentioned shell is rectangular
Shape shell is equipped with above-mentioned insulating trip between above-mentioned tabletting and above-mentioned pole piece, above-mentioned lid is connected with above-mentioned shell, above-mentioned safety
Valve is fixedly connected with above-mentioned lid, and above-mentioned lid is equipped with above-mentioned liquid injection hole, filled with upper between above-mentioned pole piece and above-mentioned diaphragm
State electrolyte, above-mentioned tab includes anode ear and negative electrode lug, and one end of above-mentioned anode ear is connected with above-mentioned positive plate, it is above-mentioned just
The other end of tab stretches out the left side of above-mentioned shell, and one end of above-mentioned negative electrode lug is connected with above-mentioned negative electrode tab, above-mentioned negative electrode lug
The other end stretch out the right side of above-mentioned shell, above-mentioned two and more than two anode ears are evenly arranged on the left side of above-mentioned shell, on
It states two and more than two negative electrode lugs is evenly arranged on the right side of above-mentioned shell.
In a kind of above-mentioned multi pole ears composite lithium ion cell, above-mentioned tab 4 is whole plate-like tab being rolled into, according to
Required length is equipped with cutting mouth on above-mentioned tab 4.
In a kind of above-mentioned multi pole ears composite lithium ion cell, it further comprises setting that above-mentioned tab 4, which includes sheet metal 15,
It is placed in the film 16 on the sheet metal surface.
In a kind of above-mentioned multi pole ears composite lithium ion cell, the above-mentioned sheet metal 15 that above-mentioned anode ear 13 uses is aluminium
Material, the above-mentioned sheet metal 15 that above-mentioned negative electrode lug 14 uses plate nickel material for nickel material or copper.
In a kind of above-mentioned multi pole ears composite lithium ion cell, the film on above-mentioned 15 surface of sheet metal is white glue, black glue
Or single layer glue.
In a kind of above-mentioned multi pole ears composite lithium ion cell, the material of above-mentioned shell 1 is with explosion-proof power-off performance
Steel or aluminium.
The utility model has the beneficial effects that the anode ear of composite lithium ion cell in the prior art and negative electrode lug are arranged
The same side, and only one anode ear and a negative electrode lug respectively, the charging time is long, and current imbalance, the utility model is then set
Charging can be greatly reduced by having set two and more than two anode ears and two and more than two negative electrode lugs, increased tab
Time, and the tab being evenly distributed current balance type during the charging process, voltage stabilization reduce the damage to itself, this
Tab in utility model is the plate-like tab equipped with dotted cut, takes conveniently, does not need to cut when in use, reduce labor
Fatigue resistance.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multi pole ears composite lithium ion cell of the utility model.
Fig. 2 is a kind of film dotted cut schematic diagram of multi pole ears composite lithium ion cell of the utility model.
Figure label: 1, shell 2, pole piece 3, diaphragm 4, tab 5, insulating trip 6, tabletting 7, lid 8, safety valve 9, liquid injection hole
10, electrolyte 11, positive plate 12, negative electrode tab 13, anode ear 14, negative electrode lug 15, sheet metal 16, film.
Specific embodiment
With reference to the accompanying drawings of the specification, the utility model is described in more detail.
A kind of multi pole ears composite lithium ion cell as shown in Figure 1, 2, including shell 1, pole piece 2, diaphragm 3, tab 4, absolutely
Embolium 5, tabletting 6, lid 7, safety valve 8, liquid injection hole 9 and electrolyte 10, it is characterised in that: above-mentioned pole piece 2 includes positive plate 11
With negative electrode tab 12, above-mentioned diaphragm 3 is equipped between above-mentioned positive plate 11 and above-mentioned negative electrode tab 12, above-mentioned shell 1 is rectangle shell,
Above-mentioned insulating trip 5 is equipped between above-mentioned tabletting 6 and above-mentioned pole piece 2, above-mentioned lid 7 is connected with above-mentioned shell 1, above-mentioned safety valve
8 are fixedly connected with above-mentioned lid 7, and above-mentioned lid 7 is equipped with above-mentioned liquid injection hole 9, fill between above-mentioned pole piece 2 and above-mentioned diaphragm 3
There is above-mentioned electrolyte 10, above-mentioned tab 4 includes anode ear 13 and negative electrode lug 14, one end and the above-mentioned positive plate of above-mentioned anode ear 13
11 are connected, and the other end of above-mentioned anode ear 13 stretches out the left side of above-mentioned shell 1, one end of above-mentioned negative electrode lug 14 and above-mentioned cathode
Piece 12 is connected, and the other end of above-mentioned negative electrode lug 14 stretches out the right side of above-mentioned shell 1, above-mentioned two and more than two anode ears
13 are evenly arranged on the left side of above-mentioned shell 1, and above-mentioned two and more than two negative electrode lugs 14 are evenly arranged on the right side of above-mentioned shell 1, on
Stating tab 4 is whole plate-like tab being rolled into, and is equipped with cutting mouth on above-mentioned tab 4 according to required length, and above-mentioned tab 4 includes
Sheet metal 15 further comprises the film 16 for being set to the sheet metal surface, the above-mentioned sheet metal 15 that above-mentioned anode ear 13 uses
For aluminum material, the above-mentioned sheet metal 15 that above-mentioned negative electrode lug 14 uses plates nickel material, above-mentioned 15 surface of sheet metal for nickel material or copper
Film be white glue, black glue or single layer glue, the material of above-mentioned shell 1 is steel or aluminium with explosion-proof power-off performance.
In the present invention, when charging, connect with two be arranged on the left of shell and more than two anode ears
Elemental lithium in positive plate detaches, and becomes positively charged lithium electronics, is moved under the action of electric field force from anode negative
Pole is chemically reacted with the carbon atom of cathode, and when electric discharge is then exactly the opposite, and internal electric field turns to, and is arranged on the left of shell
Two and the negative electrode tab that connects of more than two negative electrode lugs in elemental lithium detach again, along the direction of electric field, again
Run back to anode, during charge and discharge cycles each time, lithium ion acts as the moving carrier of electric energy, in cycles from just
Pole → cathode → anode moves back and forth, and chemically reacts with positive and negative electrode material, and chemical energy and electric energy are mutually converted, real
The transfer of existing charge.The utility model is then provided with two and more than two anode ears and two and more than two cathode
Ear, the tab that increased tab can greatly reduce the time of charging, and be evenly distributed current balance type during the charging process, electricity
Pressure is stablized, and the damage to itself is reduced, and the tab in the utility model is the plate-like tab equipped with dotted cut, the side of taking
Just, cutting when not needing to reuse, reduces labor intensity.It should be understood by those skilled in the art that the utility model not by
The limitation of above-described embodiment, the description of the embodiments and the specification only illustrate the principle of the present utility model, is not departing from
Under the premise of the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements are all
It falls within the scope of the claimed invention.The utility model requires protection scope is by appended claims and its waits
Effect object defines.
Claims (6)
1. a kind of multi pole ears composite lithium ion cell, including shell (1), pole piece (2), diaphragm (3), tab (4), insulating trip (5),
Tabletting (6), lid (7), safety valve (8), liquid injection hole (9) and electrolyte (10), it is characterised in that: the pole piece (2) includes just
Pole piece (11) and negative electrode tab (12) are equipped with the diaphragm (3) between the positive plate (11) and the negative electrode tab (12), described outer
Shell (1) be rectangle shell, between the tabletting (6) and the pole piece (2) be equipped with the insulating trip (5), the lid (7) and
The shell (1) is connected, and the safety valve (8) is fixedly connected with the lid (7), and the lid (7) is equipped with the note
Fluid apertures (9) is filled with the electrolyte (10) between the pole piece (2) and the diaphragm (3), and the tab (4) includes anode
One end of ear (13) and negative electrode lug (14), the anode ear (13) is connected with the positive plate (11), the anode ear (13)
The other end stretch out the left side of the shell (1), one end of the negative electrode lug (14) is connected with the negative electrode tab (12), described
The other end of negative electrode lug (14) stretches out the right side of the shell (1), and two and more than two anode ears (13) are evenly arranged on
The left side of the shell (1), two and more than two negative electrode lugs (14) are evenly arranged on the right side of the shell (1).
2. a kind of multi pole ears composite lithium ion cell according to claim 1, it is characterised in that: the tab (4) is whole
The plate-like tab that item is rolled into is equipped with cutting mouth according to required length on the tab (4).
3. a kind of multi pole ears composite lithium ion cell according to claim 1, it is characterised in that: the tab (4) includes
Sheet metal (15) further comprises the film (16) for being set to the sheet metal surface.
4. a kind of multi pole ears composite lithium ion cell according to claim 3, it is characterised in that: the anode ear (13) is adopted
The sheet metal (15) is aluminum material, and the sheet metal (15) that the negative electrode lug (14) uses is nickel material or copper nickel plating
Material.
5. a kind of multi pole ears composite lithium ion cell according to claim 3, it is characterised in that: sheet metal (15) table
The film in face is white glue, black glue or single layer glue.
6. a kind of multi pole ears composite lithium ion cell according to claim 1, it is characterised in that: the material of the shell (1)
Material is steel or aluminium with explosion-proof power-off performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140220.4U CN208570806U (en) | 2018-07-18 | 2018-07-18 | A kind of multi pole ears composite lithium ion cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140220.4U CN208570806U (en) | 2018-07-18 | 2018-07-18 | A kind of multi pole ears composite lithium ion cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570806U true CN208570806U (en) | 2019-03-01 |
Family
ID=65446469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821140220.4U Active CN208570806U (en) | 2018-07-18 | 2018-07-18 | A kind of multi pole ears composite lithium ion cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570806U (en) |
-
2018
- 2018-07-18 CN CN201821140220.4U patent/CN208570806U/en active Active
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