CN205543044U - Battery sheet structure and contain lithium ion battery of this pole piece - Google Patents

Battery sheet structure and contain lithium ion battery of this pole piece Download PDF

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Publication number
CN205543044U
CN205543044U CN201620057451.3U CN201620057451U CN205543044U CN 205543044 U CN205543044 U CN 205543044U CN 201620057451 U CN201620057451 U CN 201620057451U CN 205543044 U CN205543044 U CN 205543044U
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China
Prior art keywords
pole piece
battery
wire
electric heating
pole
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CN201620057451.3U
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Chinese (zh)
Inventor
胡海波
涂健
刘凯
陈振
文宝华
刘喜
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Hunan Lifang New Energy Science and Technology Co Ltd
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Hunan Lifang New Energy Science and Technology Co Ltd
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Priority to CN201620057451.3U priority Critical patent/CN205543044U/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 belongs to the technical field of the battery, concretely relates to battery sheet structure, including the pole piece, the pole piece includes anodal pole piece and negative pole pole piece, be provided with electrode lead and electric heat lead wire on the pole piece. Before charging to the battery that contains this battery sheet under low temperature environment, can with electrode lead with the electric heat lead wire communicates with external power supply respectively, so that the pole piece forms the circular telegram return circuit, and the antipodal piece of external power supply lets in the pulse heavy current, makes the pole piece preheated fast, when the pole piece preheats to 15 to 35 degrees centigrade, can charge normal the battery to make the battery have the temperature environment of quick charge. In addition, this kind of mode of preheating utilizes external power supply to let in the pulse heavy current to the pole piece under also can being used in the circumstances of discharging of battery to make the battery preheat more than - 10 degrees centigrade, thereby make the battery discharge under normal temperature environment. The utility model discloses still relate to a lithium ion battery.

Description

A kind of battery pole piece structure and the lithium ion battery containing this pole piece
Technical field
The invention belongs to cell art, be specifically related to a kind of battery pole piece structure and the lithium ion battery containing this pole piece.
Background technology
Secondary cell with commercial Li-ion battery as main flow enters the movable living of masses the most comprehensively, on the products such as smart mobile phone, panel computer, Intelligent worn device, the most all uses lithium ion battery as power supply.But along with being continuously increased of the portable mobile apparatus functional integrations such as smart mobile phone, the development of integrated circuit molar rate, and the development that the frivolous external form of device miniaturization is personalized, while the power consumption of intelligent portable mobile device is continuously increased, the space leaving battery for the most constantly reduces.Thus the energy density pressure of Intelligent mobile equipment battery is increasing.On the other hand along with the lifting of lithium ion battery energy density, its charging temperature window and the most corresponding the increasing of charging rate have declined.
It is known that the charging rate of the charging rate of electrochmical power source, the particularly lithium ion battery ambient temperature conditions residing with it is closely bound up.Conventional lithium ion battery, discharge temp scope is-20 to 60 degrees Celsius;Charging temperature scope is 0 to 45 degrees Celsius, and some uses the terminal unit of lithium ion battery, even not in charging in the environment of less than 10 degrees Celsius.And when temperature is when charging for 0 ~ 15 degree Celsius, and charging current is typically not greater than 0.2C, is usually less than 6 hours from 0 electricity to the completely time of filling.On the other hand, the lithium ion battery completely filled discharges under conditions of-20 degrees Celsius, with room temperature state compared with power output, and its energy output ratio typically not greater than 50%;Thus usually because of smart mobile phone or the electrical equipment that uses lithium ion battery in the winter time or during the outdoor activity of high altitude localities, it is chronically under low temperature environment (as less than-10 degrees Celsius), particularly when Intelligent mobile equipment is chronically under the outdoor temperature conditions spent less than-20, be little to foreign work, i.e. the applied environment scope of Intelligent mobile equipment is extremely limited.
Summary of the invention
An object of the present invention is: for the deficiency of present technology, it is provided that a kind of battery pole piece so that the lithium ion battery containing this battery pole piece can normal discharge and recharge at low ambient temperatures.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of battery pole piece structure, including pole piece, described pole piece includes anode pole piece and cathode pole piece, and described pole piece is provided with contact conductor and electric heating lead-in wire.Before at low ambient temperatures the battery containing this battery pole piece being charged, described contact conductor can be connected with external power supply respectively with described electric heating lead-in wire, so that described pole piece forms power circuit, external power supply is passed through pulse high current to pole piece, pole piece is made to obtain rapidly pre-warming, when pole piece is preheating to 15 to 35 degrees Celsius, battery can be charged normal, so that battery has the temperature environment of quick charge.It addition, this preheating method can be also used under the discharge scenario of battery, external power supply is utilized to be passed through pulse high current to pole piece, so that battery is preheating to more than-10 degrees Celsius, so that battery can discharge under normal temperature environment.
Improvement as a kind of battery pole piece structure of the present invention, described contact conductor and electric heating lead-in wire are arranged on the side of described pole piece, and it is respectively arranged at initiating terminal and the end in described pole piece coiling direction, when making to be passed through electric current, electric current can flow through whole pole piece so that battery can Quick uniform preheating.
As the improvement of a kind of battery pole piece structure of the present invention, described contact conductor includes that anode electrode lead-in wire and negative electrode go between, and described anode electrode lead-in wire is arranged on described anode pole piece, and described negative electrode lead-in wire is arranged on described cathode pole piece.
As the improvement of a kind of battery pole piece structure of the present invention, described electric heating lead-in wire electrically connects with described anode pole piece and cathode pole piece simultaneously.
As the improvement of a kind of battery pole piece structure of the present invention, described electric heating lead-in wire includes that positive pole electric heating lead-in wire and negative pole electric heating go between, and described positive pole electric heating lead-in wire is arranged on described anode pole piece, and described negative pole electric heating lead-in wire is arranged on described cathode pole piece.Be provided with simultaneously anode electrode lead-in wire, negative electrode lead-in wire, positive pole electric heating lead-in wire and negative pole electric heating lead-in wire so that according to actual needs, selectively to anode pole piece or/and cathode pole piece energising, with to anode pole piece or/and cathode pole piece preheats.It addition, before low temperature environment powering load, positive pole electric heating lead-in wire and negative pole electric heating lead-in wire can be attached, utilize the mode of high current pulsed discharge, make battery be preheated, when battery be preheating to-10 degrees Celsius and above time, battery can be made normally load to be powered.This utilizes the preheating method of high current pulsed discharge, it is not necessary to additionally connect external power supply, simplifies the structure of battery, convenient and practical.
The two ends of described anode pole piece it are separately positioned on as the improvement of a kind of battery pole piece structure of the present invention, described anode electrode lead-in wire and described positive pole electric heating lead-in wire.When making to be passed through electric current, electric current can flow through whole anode pole piece so that battery can Quick uniform preheating.
The two ends of described cathode pole piece it are separately positioned on as the improvement of a kind of battery pole piece structure of the present invention, described negative electrode lead-in wire and described negative pole electric heating lead-in wire.When making to be passed through electric current, electric current can flow through whole cathode pole piece so that battery can Quick uniform preheating.
Being arranged on collector or the diaphragm of anode pole piece as the improvement of a kind of battery pole piece structure of the present invention, described anode electrode lead-in wire and positive pole electric heating lead-in wire, described negative electrode lead-in wire and negative pole electric heating lead-in wire are arranged on collector or the diaphragm of cathode pole piece.
As the improvement of a kind of battery pole piece structure of the present invention, described anode electrode lead-in wire is positive pole ear, and described negative electrode lead-in wire is negative lug.The positive pole ear itself being provided with on pole piece and negative lug is utilized to go between respectively as anode electrode lead-in wire and negative electrode so that compact conformation, rationally.
The beneficial effects of the present invention is: providing a kind of battery pole piece structure, including pole piece, described pole piece includes anode pole piece and cathode pole piece, described pole piece is provided with contact conductor and electric heating lead-in wire.Before at low ambient temperatures the battery containing this battery pole piece being charged, described contact conductor can be connected with external power supply respectively with described electric heating lead-in wire, so that described pole piece forms power circuit, external power supply is passed through pulse high current to pole piece, pole piece is made to obtain rapidly pre-warming, when pole piece is preheating to 15 to 35 degrees Celsius, battery can be charged normal, so that battery has the temperature environment of quick charge.It addition, this preheating method can be also used under the discharge scenario of battery, external power supply is utilized to be passed through pulse high current to pole piece, so that battery is preheating to more than-10 degrees Celsius, so that battery can discharge under normal temperature environment.
The two of the purpose of the present invention are: for the deficiencies in the prior art, it is provided that a kind of lithium ion battery, and this lithium ion battery can normal discharge and recharge at low ambient temperatures.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of lithium ion battery, this lithium ion battery includes battery pole piece described above.
The beneficial effects of the present invention is: this lithium ion battery is provided with contact conductor and electric heating lead-in wire, before this lithium ion battery being charged under low temperature environment, described contact conductor can be connected with external power supply respectively with described electric heating lead-in wire, so that described pole piece forms power circuit, external power supply is passed through pulse high current to pole piece, makes pole piece obtain rapidly pre-warming, when pole piece is preheating to 15 to 35 degrees Celsius, battery can be charged normal, so that battery has the temperature environment of quick charge.It addition, this preheating method can be also used under the discharge scenario of battery, external power supply is utilized to be passed through pulse high current to pole piece, so that battery is preheating to more than-10 degrees Celsius, so that battery can discharge under normal temperature environment.
Accompanying drawing explanation
Fig. 1 is one of structural representation of battery pole piece.
Fig. 2 is the two of the structural representation of battery pole piece.
Fig. 3 is the three of the structural representation of battery pole piece.
Fig. 4 is the four of the structural representation of battery pole piece.
Fig. 5 is the five of the structural representation of battery pole piece.
Fig. 6 is the six of the structural representation of battery pole piece.
Fig. 7 is the seven of the structural representation of battery pole piece.
Fig. 8 is the eight of the structural representation of battery pole piece.
Fig. 9 is the nine of the structural representation of battery pole piece.
Figure 10 is the ten of the structural representation of battery pole piece.
Figure 11 is one of structural representation of lithium ion battery.
Figure 12 is the two of the structural representation of lithium ion battery.
Figure 13 is the three of the structural representation of lithium ion battery.
Figure 14 is the four of the structural representation of lithium ion battery.
Wherein, 1. pole piece, 11. collectors, 2. contact conductor, 21. anode electrode lead-in wires, 22. negative electrode lead-in wire, 3. electric heating lead-in wires, 31. positive pole electric heating lead-in wires, 32. negative pole electric heating lead-in wires.
Detailed description of the invention
Below in conjunction with detailed description of the invention and Figure of description, the present invention and beneficial effect thereof are described in further detail, but, the detailed description of the invention of the present invention is not limited thereto.
Embodiment 1
As shown in Figure 1, a kind of battery pole piece structure, including pole piece 1, described pole piece 1 includes anode pole piece and cathode pole piece, contact conductor 2 and electric heating lead-in wire 3 it is provided with on described pole piece 1, described contact conductor 2 and described electric heating lead-in wire 3 electrically connect with the collector 11 of pole piece 1, and described contact conductor 2 is arranged on a side of described pole piece 1, described electric heating go between 3 be arranged on described pole piece 1 relative to another side.And described contact conductor 2 is arranged on the initiating terminal of pole piece 1 coiling direction, described electric heating lead-in wire 3 is arranged on the end of pole piece 1 coiling direction.
Wherein, described pole piece 1 is anode pole piece or cathode pole piece.Accordingly, when described pole piece 1 is anode pole piece, described contact conductor 2 goes between for anode electrode, and described electric heating lead-in wire 3 goes between for positive pole electric heating;When described pole piece 1 is cathode pole piece, described contact conductor 2 goes between for negative electrode, and described electric heating lead-in wire 3 goes between for negative pole electric heating.
If Fig. 2 is to shown in 10, described contact conductor 2 can be arranged on the side of described pole piece 1 with described electric heating lead-in wire 3, may also be arranged on the two ends of pole piece 1, described contact conductor 2 can be arranged on the same side of pole piece with described electric heating lead-in wire 3, can also be separately positioned on pole piece 1 relative to dual-side on, described contact conductor 2 and described electric heating lead-in wire 3 can be arranged on initiating terminal and the end of pole piece 1 coiling direction, it is also possible to be arranged on the centre position on pole piece 1 length direction.
Embodiment 2
As Figure 11 is to shown in 14, and a kind of lithium ion battery, including the anode pole piece described in embodiment 1 and cathode pole piece.
Before this lithium ion battery being charged under low temperature environment, according to actual needs, selectively by anode electrode lead-in wire 21 and positive pole electric heating lead-in wire 31 access external power supply, so that anode pole piece forms loop;Or by negative electrode lead-in wire 22 and negative pole electric heating lead-in wire 32 access external power supply, so that cathode pole piece forms loop;Or anode pole piece and cathode pole piece are accessed external power supply simultaneously.External power supply to anode pole piece or/and cathode pole piece is passed through pulse high current, make anode pole piece or/and cathode pole piece obtains rapidly pre-warming, when anode pole piece is or/and cathode pole piece is preheating to 15 to 35 degrees Celsius, lithium ion battery can be charged normal, so that lithium ion battery has the temperature environment of quick charge.Additionally, this preheating method can be also used under the discharge scenario of battery, utilize external power supply to anode pole piece or/and cathode pole piece is passed through pulse high current, so that battery is preheating to more than-10 degrees Celsius, so that lithium ion battery can discharge under normal temperature environment.
Or, before low temperature environment powering load, positive pole electric heating lead-in wire 31 and negative pole electric heating lead-in wire 32 can be attached, utilize the mode of high current pulsed discharge, lithium ion battery is made to be preheated, when lithium ion battery be preheating to-10 degrees Celsius and above time, lithium ion battery can be enable normally load to be powered.This utilizes the preheating method of high current pulsed discharge, it is not necessary to additionally connect external power supply, simplifies the structure of battery, convenient and practical.
Wherein, described anode electrode lead-in wire 21 can be as the positive pole ear of lithium ion battery, and described negative electrode lead-in wire 22 can be as the negative lug of lithium ion battery.
The announcement of book and teaching according to the above description, above-mentioned embodiment can also be changed and revise by those skilled in the art in the invention.Therefore, the invention is not limited in above-mentioned detailed description of the invention, any conspicuously improved, replacement or modification that every those skilled in the art are done on the basis of the present invention belong to protection scope of the present invention.Although additionally, employ some specific terms in this specification, but these terms are merely for convenience of description, the present invention is not constituted any restriction.

Claims (10)

1. a battery pole piece structure, including pole piece, described pole piece includes anode pole piece and cathode pole piece, it is characterised in that: it is provided with contact conductor and electric heating lead-in wire on described pole piece.
A kind of battery pole piece structure the most according to claim 1, it is characterised in that: described contact conductor and electric heating lead-in wire are arranged on the side of described pole piece, and are respectively arranged at initiating terminal and the end in described pole piece coiling direction.
A kind of battery pole piece structure the most according to claim 1, it is characterized in that: described contact conductor includes that anode electrode lead-in wire and negative electrode go between, described anode electrode lead-in wire is arranged on described anode pole piece, and described negative electrode lead-in wire is arranged on described cathode pole piece.
A kind of battery pole piece structure the most according to claim 3, it is characterised in that: described electric heating lead-in wire electrically connects with described anode pole piece and cathode pole piece simultaneously.
A kind of battery pole piece structure the most according to claim 3, it is characterized in that: described electric heating lead-in wire includes that positive pole electric heating lead-in wire and negative pole electric heating go between, described positive pole electric heating lead-in wire is arranged on described anode pole piece, and described negative pole electric heating lead-in wire is arranged on described cathode pole piece.
A kind of battery pole piece structure the most according to claim 5, it is characterised in that: described anode electrode lead-in wire and described positive pole electric heating lead-in wire are separately positioned on the two ends of described anode pole piece.
A kind of battery pole piece structure the most according to claim 5, it is characterised in that: described negative electrode lead-in wire and described negative pole electric heating lead-in wire are separately positioned on the two ends of described cathode pole piece.
A kind of battery pole piece structure the most according to claim 5, it is characterized in that: described anode electrode lead-in wire and positive pole electric heating lead-in wire are arranged on collector or the diaphragm of anode pole piece, described negative electrode lead-in wire and negative pole electric heating lead-in wire are arranged on collector or the diaphragm of cathode pole piece.
A kind of battery pole piece structure the most according to claim 3, it is characterised in that: described anode electrode lead-in wire is positive pole ear, and described negative electrode lead-in wire is negative lug.
10. a lithium ion battery, it is characterised in that: described lithium ion battery includes the arbitrary described battery pole piece of claim 1 to 9.
CN201620057451.3U 2016-01-21 2016-01-21 Battery sheet structure and contain lithium ion battery of this pole piece Active CN205543044U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105489836A (en) * 2016-01-21 2016-04-13 湖南立方新能源科技有限责任公司 Battery pole piece structure and lithium ion battery comprising pole pieces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105489836A (en) * 2016-01-21 2016-04-13 湖南立方新能源科技有限责任公司 Battery pole piece structure and lithium ion battery comprising pole pieces

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