CN205429090U - Aluminium electrolytic capacitor type nickel cobalt manganese ternary material lithium ion battery of high security - Google Patents

Aluminium electrolytic capacitor type nickel cobalt manganese ternary material lithium ion battery of high security Download PDF

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CN205429090U
CN205429090U CN201520968630.8U CN201520968630U CN205429090U CN 205429090 U CN205429090 U CN 205429090U CN 201520968630 U CN201520968630 U CN 201520968630U CN 205429090 U CN205429090 U CN 205429090U
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lithium ion
ion battery
exposed area
negative pole
material layer
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李朝
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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
    • 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 discloses an aluminium electrolytic capacitor type nickel cobalt manganese ternary material lithium ion battery of high security, including the negative pole piece, positive plate and diaphragm, the negative pole piece, positive plate and the mutual cylindrical electric core of cylindrical coiling design forming that separates of diaphragm, the diaphragm sets up between negative pole piece and positive plate, negative current collector's afterbody is equipped with the exposed district of negative pole on the negative electrode active material layer that does not coat, anodal collection fluidic afterbody is equipped with the positive pole active material layer's that does not coat anodal exposed district, the exposed two -sided laminating in district of negative pole has aluminium electrolytic capacitor's negative pole aluminium foil, the anodal mass flow body is aluminium electrolytic capacitor's positive pole aluminium foil, wrap up anodal exposed district and set up circumference outside cylindrical electric core in the exposed district of negative pole, the coiling is in the exposed district of negative pole, the two -sided laminating of diaphragm between the anodal exposed district has soaks the barrier paper that has capacitor electrolyte. The utility model discloses an aluminium electrolytic capacitor type nickel cobalt manganese ternary material lithium ion battery of high security has that the security is good, power density is high, processing is convenient and low cost's characteristics.

Description

A kind of alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security
Technical field
This utility model relates to cell art, the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security.
Background technology
Along with the information-based and intelligentized high speed development of modern society, and environmental pollution and energy shortage are day by day serious, and society is more and more higher to capacity and the demanded power output of electrical storage device, and lithium ion battery and capacitor etc. become current research focus.Lithium ion battery has the advantages such as energy density is high, self-discharge rate is low, but high rate performance is undesirable, power density is relatively low, and the voltage range of lithium ion battery is between 3.0～4.1V, during higher than 4.1V, cell positive material and electrolyte are unstable, oxidizable, and negative terminal surface is easily analysed lithium and formed Li dendrite, brings potential safety hazard.Especially under the situation of lithium ion battery abuse, how to improve the lithium ion battery such as security performance such as acupuncture, extruding and avoid explosion accident to seem the most urgent.
Meanwhile.Nickel-cobalt-manganese ternary material lithium is as conventional anode material for lithium-ion batteries, have the advantages that energy density is high, tap density is high, there is poor stability, heat-resisting quantity is poor, the life-span is poor, high power discharge is poor, poisonous (after the high-power discharge and recharge of nickel-cobalt-manganese ternary lithium ion battery, temperature drastically raises element the most simultaneously, the as easy as rolling off a log burning of releasing oxygen after high temperature), directly limit the popularization and application at lithium ion battery of the nickel-cobalt-manganese ternary material lithium.
Utility model content
The purpose of this utility model is to provide the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security, has the advantages that safety is good, power density is high, easy to process and with low cost.
This utility model can be achieved through the following technical solutions:
nullThe utility model discloses the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security，Including negative plate、Positive plate and barrier film，Described negative plate、Positive plate and the spaced cylindrical roll of barrier film are around design forming cylinder battery core，Described barrier film is arranged between negative plate and positive plate，Described negative plate is coated on both sides structure，The negative current collector two sides of institute's negative plate all scribbles anode active material layer，The afterbody of described negative current collector is provided with the negative pole exposed area not coating anode active material layer，Described positive plate is coated on both sides structure，The plus plate current-collecting body of described positive plate is two-sided scribbles anode active material layer，The afterbody of described plus plate current-collecting body is provided with the positive pole exposed area not coating anode active material layer，The two-sided cathode aluminum foil being fitted with aluminium electrolutic capacitor in described negative pole exposed area，Described plus plate current-collecting body is the anode aluminium foil of aluminium electrolutic capacitor，Parcel positive pole exposed area, described negative pole exposed area is arranged on described cylindrical battery core outer circumference，It is wound on negative pole exposed area、Barrier film between positive pole exposed area is two-sided is fitted with the release paper immersed with capacitor electrolyte，Described anode active material layer is nickel-cobalt-manganese ternary material positive electrode material layer.
In lithium ion battery, what energy gesture was the highest is plus plate current-collecting body anticathode active material layer, followed by anode active material layer anticathode active material layer, followed by anode active material layer anticathode collector, is finally that negative current collector is to plus plate current-collecting body.The outside of cylindrical battery core circumference it is wrapped in by arranging negative pole exposed area and positive pole exposed area in lithium ion battery, lithium ion battery is standing such as to extrude, under the abuse condition such as acupuncture, negative current collector contacts at first with plus plate current-collecting body, it is short-circuited, it is a kind of way of contact that energy gesture is minimum, thus realizes the short circuit of lithium ion cell positive and negative pole, discharge certain energy, effectively prevent the generation of explosion accident, improve the safety of lithium ion battery.The anode aluminium foil of aluminium electrolutic capacitor is used by plus plate current-collecting body, both the use requirement that anode current collector of lithium ion battery is conventional had been met, the cathode aluminum foil simultaneously also making anode aluminium foil and be fitted in negative current collector forms the aluminium electrolutic capacitor that relative area is bigger, on the premise of not reducing lithium ion battery energy density, it is effectively improved the power density of lithium ion battery.Anode aluminium foil and cathode aluminum foil by aluminium electrolutic capacitor are separately positioned on lithium ion cell positive exposed area and the setting of negative pole exposed area, such as be coated with for lithium ion battery, front operation such as point bar, film-making etc. does not make a difference, have only to introduce cathode aluminum foil and release paper at rolling step, simplify the course of processing, improving production efficiency.The primary raw material of aluminium electrolutic capacitor is anode aluminium foil and cathode aluminum foil, aluminium foil wide material sources, and anode aluminum film can also not result in the sharp increase of cost as the plus plate current-collecting body of lithium ion battery while to lithium ion battery additional aluminium electrolysis condenser function simultaneously.
Further, described lithium ion battery also includes lithium-ion battery electrolytes, described lithium-ion battery electrolytes is made up of solvent, electrolytic salt and additive, wherein solvent is grouped into by dimethyl carbonate (DMC), diethyl carbonate (DEC), Ethyl methyl carbonate (EMC), ethylene carbonate (EC) four-tuple, its volume basis is as follows: DMC accounts for 20%～30%, DEC accounts for 20%～30%, and EMC accounts for 10%～20%, and EC accounts for 25%～50%.Lithium-ion battery electrolytes system is, with the electrolyte system of aluminium electrolutic capacitor, the organic solvent system that character is real, had both met the requirement of lithium ion battery, and had met again the job demand of aluminium electrolutic capacitor, and had been effectively simplified processing and manufacturing process.
Further, described additive is made up of film for additive, anti-overcharge additive and high temperature additive, wherein, O.5～3.0% film for additive has vinylethylene carbonate (VEC), vinylene carbonate (VC), and concentration is, anti-overcharge additive has cyclobenzene (CHB), biphenyl, dimethylbenzene, O.5～3.0% concentration is, O.5～3.0% high temperature additive has PS (AS), phthalic anhydride (PA), and its concentration is.
Further, described cylindrical battery core also includes that cylindrical steel, described cylindrical battery core are encapsulated in inside box hat.
Further, the length of described negative plate is more than described positive plate, and the length of described negative pole exposed area is more than described positive pole exposed area, and described negative pole exposed area, positive pole exposed area are wrapped in outside cylindrical battery core one week to ten weeks.Can be according to actual needs.Arrange negative pole exposed area flexibly, positive pole exposed area is looped around the number of turns of cylindrical battery core, the number of turns is the most, and the safety of lithium ion battery is the highest, and the electric capacity of aluminium electrolutic capacitor is the highest, but the increase of cylindrical battery core radius can be caused simultaneously, reduce lithium ion battery energy density on the contrary.
Further, described negative current collector is Copper Foil.
Further, described barrier film is PE barrier film, PP barrier film or PE/PP composite diaphragm.
Further, described anode active material layer is natural graphite material layer and/or electrographite material layer.
Further, described anode aluminium foil surface includes that, through the anode oxide film that corrosion treatmentCorrosion Science is formed, institute's negative pole aluminium foil surface includes that the Natural Oxide Film that not eroded processes, described anode oxide film and Natural Oxide Film are relative to each other through release paper.
The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security of this utility model, has a following beneficial effect:
First, safety is good, the outside of cylindrical battery core circumference it is wrapped in by arranging negative pole exposed area and positive pole exposed area in lithium ion battery, lithium ion battery such as extrudes standing, under the abuse condition such as acupuncture, negative current collector contacts at first with plus plate current-collecting body, it is short-circuited, it it is a kind of way of contact that energy gesture is minimum, thus realize the short circuit of lithium ion cell positive and negative pole, discharge certain energy, effectively prevent the generation of explosion accident, improve the safety of lithium ion battery, the best safety protecting mechanism is formed particular for for the lithium ion battery that nickel-cobalt-manganese ternary material positive electrode contains risk of explosion；
The second, power density is high, the anode aluminium foil of aluminium electrolutic capacitor is used by plus plate current-collecting body, both the use requirement that anode current collector of lithium ion battery is conventional had been met, the cathode aluminum foil simultaneously also making anode aluminium foil and be fitted in negative current collector forms the aluminium electrolutic capacitor that relative area is bigger, on the premise of not reducing lithium ion battery energy density, it is effectively improved the power density of lithium ion battery；
3rd, easy to process, anode aluminium foil and cathode aluminum foil by aluminium electrolutic capacitor are separately positioned on lithium ion cell positive exposed area and the setting of negative pole exposed area, such as be coated with for lithium ion battery, front operation such as point bar, film-making etc. does not make a difference, have only to introduce cathode aluminum foil and release paper at rolling step, simplify the course of processing, improving production efficiency；
4th, with low cost, the primary raw material of aluminium electrolutic capacitor is anode aluminium foil and cathode aluminum foil, aluminium foil wide material sources, and the sharp increase of cost can also not resulted in while to lithium ion battery additional aluminium electrolysis condenser function as the plus plate current-collecting body of lithium ion battery while of anode aluminum film.
Accompanying drawing explanation
Accompanying drawing 1 is the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery winding-structure schematic diagram of a kind of high security of this utility model；
Accompanying drawing 2 is the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery negative plate tail structure schematic diagram of a kind of high security of this utility model；
Accompanying drawing 3 is the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery positive plate tail structure schematic diagram of a kind of high security of this utility model；
Accompanying drawing 4 is the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery barrier film tail structure schematic diagram of a kind of high security of this utility model；
In accompanying drawing, labelling includes: 100, negative plate, 101, negative current collector, 102, anode active material layer, 103, negative pole exposed area, 200, positive plate, 201, plus plate current-collecting body, 202, anode active material layer；203, positive pole exposed area, 300, cathode aluminum foil, 400, barrier film, 500, release paper.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with embodiment and accompanying drawing, this utility model product is described in further detail.
Embodiment 1
nullAs shown in figures 1-4，The utility model discloses the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security，Including negative plate 100、Positive plate 200 and barrier film 400，Described negative plate 100、Positive plate 200 and the spaced cylindrical roll of barrier film 400 are around design forming cylinder battery core，Described barrier film 400 is arranged between negative plate 100 and positive plate 200，Described negative plate 100 is coated on both sides structure，Negative current collector 101 two sides of institute's negative plate 100 all scribbles anode active material layer 102，The afterbody of described negative current collector 101 is provided with the negative pole exposed area 103 not coating anode active material layer 102，Described positive plate 200 is coated on both sides structure，The plus plate current-collecting body 201 of described positive plate 200 is two-sided scribbles anode active material layer 202，The afterbody of described plus plate current-collecting body 201 is provided with the positive pole exposed area 203 not coating anode active material layer 202，The two-sided cathode aluminum foil 300 being fitted with aluminium electrolutic capacitor in described negative pole exposed area 103，Described plus plate current-collecting body 201 is the anode aluminium foil of aluminium electrolutic capacitor，Described negative pole exposed area 103 is wrapped up positive pole exposed area 203 and is arranged on described cylindrical battery core outer circumference，It is wound on negative pole exposed area 103、Barrier film 400 between positive pole exposed area 203 is two-sided is fitted with the release paper 500 immersed with capacitor electrolyte，Described anode active material layer 202 is nickel-cobalt-manganese ternary material positive electrode material layer.
Described lithium ion battery also includes lithium-ion battery electrolytes, described lithium-ion battery electrolytes is made up of solvent, electrolytic salt and additive, wherein solvent is by dimethyl carbonate DMC), diethyl carbonate DEC), Ethyl methyl carbonate (EMC), ethylene carbonate EC) four-tuple is grouped into, its volume basis is as follows: DMC accounts for 20%～30%, DEC accounts for 20%～30%, EMC accounts for 10%～20%, and EC accounts for 25%～50%.Described additive is made up of film for additive, anti-overcharge additive and high temperature additive, wherein, film for additive has vinylethylene carbonate VEC), vinylene carbonate VC), O.5～3.0% concentration is, anti-overcharge additive has cyclobenzene CHB), biphenyl, dimethylbenzene, O.5～3.0% concentration is, high temperature additive has 1,3-propane sultone AS), phthalic anhydride PA), O.5～3.0% its concentration is.Described cylindrical battery core also includes that cylindrical steel, described cylindrical battery core are encapsulated in inside box hat.The length of described negative plate 100 is more than described positive plate 200, and the length of described negative pole exposed area 103 is more than described positive pole exposed area 203, and described negative pole exposed area 103, positive pole exposed area 203 are wrapped in one week week outside cylindrical battery core.Described negative current collector 101 is Copper Foil.Described barrier film 400 is PE barrier film 400, PP barrier film 400 or PE/PP composite diaphragm 400.Described anode active material layer 102 is natural graphite material layer and/or electrographite material layer.Described anode aluminium foil surface includes that, through the anode oxide film that corrosion treatmentCorrosion Science is formed, institute's negative pole aluminium foil surface includes that the Natural Oxide Film that not eroded processes, described anode oxide film and Natural Oxide Film are relative to each other through release paper 500.
In the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of the cylindrical high security of Fig. 1, block is as the positive pole of lithium ion battery, as the negative pole of lithium ion battery bottom box hat, positive plate 200 connects with positive electrical, being provided with insulating trip between block and positive plate 200, negative plate 100, negative plate 100, cathode aluminum foil 300 connect with negative electricity.
Through test, cylindrical roll around the energy density of alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security be up to more than 105Wh0kg, more than power density 3400W/kg, running voltage 2.5～4.8V, product is more than 92% by security performance test percent of pass such as such as extruding, acupunctures, and cost of goods manufactured is suitable with conventional lithium ion battery.
Embodiment 2
nullAs shown in figures 1-4，The utility model discloses the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security，Including negative plate 100、Positive plate 200 and barrier film 400，Described negative plate 100、Positive plate 200 and the spaced cylindrical roll of barrier film 400 are around design forming cylinder battery core，Described barrier film 400 is arranged between negative plate 100 and positive plate 200，Described negative plate 100 is coated on both sides structure，Negative current collector 101 two sides of institute's negative plate 100 all scribbles anode active material layer 102，The afterbody of described negative current collector 101 is provided with the negative pole exposed area 103 not coating anode active material layer 102，Described positive plate 200 is coated on both sides structure，The plus plate current-collecting body 201 of described positive plate 200 is two-sided scribbles anode active material layer 202，The afterbody of described plus plate current-collecting body 201 is provided with the positive pole exposed area 203 not coating anode active material layer 202，The two-sided cathode aluminum foil 300 being fitted with aluminium electrolutic capacitor in described negative pole exposed area 103，Described plus plate current-collecting body 201 is the anode aluminium foil of aluminium electrolutic capacitor，Described negative pole exposed area 103 is wrapped up positive pole exposed area 203 and is arranged on described cylindrical battery core outer circumference，It is wound on negative pole exposed area 103、Barrier film 400 between positive pole exposed area 203 is two-sided is fitted with the release paper 500 immersed with capacitor electrolyte，Described anode active material layer 202 is nickel-cobalt-manganese ternary material positive electrode material layer.
Described lithium ion battery also includes lithium-ion battery electrolytes, described lithium-ion battery electrolytes is made up of solvent, electrolytic salt and additive, wherein solvent is by dimethyl carbonate DMC), diethyl carbonate DEC), Ethyl methyl carbonate (EMC), ethylene carbonate EC) four-tuple is grouped into, its volume basis is as follows: DMC accounts for 20%～30%, DEC accounts for 20%～30%, EMC accounts for 10%～20%, and EC accounts for 25%～50%.Described additive is made up of film for additive, anti-overcharge additive and high temperature additive, wherein, film for additive has vinylethylene carbonate VEC), vinylene carbonate VC), O.5～3.0% concentration is, anti-overcharge additive has cyclobenzene CHB), biphenyl, dimethylbenzene, O.5～3.0% concentration is, high temperature additive has 1,3-propane sultone AS), phthalic anhydride PA), O.5～3.0% its concentration is.Described cylindrical battery core also includes that cylindrical steel, described cylindrical battery core are encapsulated in inside box hat.The length of described negative plate 100 is more than described positive plate 200, and the length of described negative pole exposed area 103 is more than described positive pole exposed area 203, and described negative pole exposed area 103, positive pole exposed area 203 are wrapped in outside cylindrical battery core five weeks.Described negative current collector 101 is Copper Foil.Described barrier film 400 is PE barrier film 400, PP barrier film 400 or PE/PP composite diaphragm 400.Described anode active material layer 102 is natural graphite material layer and/or electrographite material layer.Described anode active material layer 202 is lithium iron phosphate positive material layer, manganate cathode material for lithium layer, nickel-cobalt-manganese ternary material positive electrode material layer or nickel-cobalt-manganternary ternary anode material layer.Described anode aluminium foil surface includes that, through the anode oxide film that corrosion treatmentCorrosion Science is formed, institute's negative pole aluminium foil surface includes that the Natural Oxide Film that not eroded processes, described anode oxide film and Natural Oxide Film are relative to each other through release paper 500.
In the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of the cylindrical high security of Fig. 1, block is as the positive pole of lithium ion battery, as the negative pole of lithium ion battery bottom box hat, positive plate 200 connects with positive electrical, being provided with insulating trip between block and positive plate 200, negative plate 100, negative plate 100, cathode aluminum foil 300 connect with negative electricity.
Through test, cylindrical roll around the energy density of alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security be up to more than 103Wh0kg, more than power density 5300W/kg, running voltage 2.5～4.8V, product is more than 95% by security performance test percent of pass such as such as extruding, acupunctures, and cost of goods manufactured is suitable with conventional lithium ion battery.
Embodiment 3
nullAs shown in figures 1-4，The utility model discloses the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a kind of high security，Including negative plate 100、Positive plate 200 and barrier film 400，Described negative plate 100、Positive plate 200 and the spaced cylindrical roll of barrier film 400 are around design forming cylinder battery core，Described barrier film 400 is arranged between negative plate 100 and positive plate 200，Described negative plate 100 is coated on both sides structure，Negative current collector 101 two sides of institute's negative plate 100 all scribbles anode active material layer 102，The afterbody of described negative current collector 101 is provided with the negative pole exposed area 103 not coating anode active material layer 102，Described positive plate 200 is coated on both sides structure，The plus plate current-collecting body 201 of described positive plate 200 is two-sided scribbles anode active material layer 202，The afterbody of described plus plate current-collecting body 201 is provided with the positive pole exposed area 203 not coating anode active material layer 202，The two-sided cathode aluminum foil 300 being fitted with aluminium electrolutic capacitor in described negative pole exposed area 103，Described plus plate current-collecting body 201 is the anode aluminium foil of aluminium electrolutic capacitor，Described negative pole exposed area 103 is wrapped up positive pole exposed area 203 and is arranged on described cylindrical battery core outer circumference，It is wound on negative pole exposed area 103、Barrier film 400 between positive pole exposed area 203 is two-sided is fitted with the release paper 500 immersed with capacitor electrolyte，Described anode active material layer 202 is nickel-cobalt-manganese ternary material positive electrode material layer.
Described lithium ion battery also includes lithium-ion battery electrolytes, described lithium-ion battery electrolytes is made up of solvent, electrolytic salt and additive, wherein solvent is by dimethyl carbonate DMC), diethyl carbonate DEC), Ethyl methyl carbonate (EMC), ethylene carbonate EC) four-tuple is grouped into, its volume basis is as follows: DMC accounts for 20%～30%, DEC accounts for 20%～30%, EMC accounts for 10%～20%, and EC accounts for 25%～50%.Described additive is made up of film for additive, anti-overcharge additive and high temperature additive, wherein, film for additive has vinylethylene carbonate VEC), vinylene carbonate VC), O.5～3.0% concentration is, anti-overcharge additive has cyclobenzene CHB), biphenyl, dimethylbenzene, O.5～3.0% concentration is, high temperature additive has 1,3-propane sultone AS), phthalic anhydride PA), O.5～3.0% its concentration is.Described cylindrical battery core also includes that cylindrical steel, described cylindrical battery core are encapsulated in inside box hat.The length of described negative plate 100 is more than described positive plate 200, and the length of described negative pole exposed area 103 is more than described positive pole exposed area 203, and described negative pole exposed area 103, positive pole exposed area 203 are wrapped in outside cylindrical battery core ten weeks.Described negative current collector 101 is Copper Foil.Described barrier film 400 is PE barrier film 400, PP barrier film 400 or PE/PP composite diaphragm 400.Described anode active material layer 102 is natural graphite material layer and/or electrographite material layer.Described anode active material layer 202 is lithium iron phosphate positive material layer, manganate cathode material for lithium layer, nickel-cobalt-manganese ternary material positive electrode material layer or nickel-cobalt-manganternary ternary anode material layer.Described anode aluminium foil surface includes that, through the anode oxide film that corrosion treatmentCorrosion Science is formed, institute's negative pole aluminium foil surface includes that the Natural Oxide Film that not eroded processes, described anode oxide film and Natural Oxide Film are relative to each other through release paper 500.
In the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of the cylindrical high security of Fig. 1, block is as the positive pole of lithium ion battery, as the negative pole of lithium ion battery bottom box hat, positive plate 200 connects with positive electrical, being provided with insulating trip between block and positive plate 200, negative plate 100, negative plate 100, cathode aluminum foil 300 connect with negative electricity.
Through test, cylindrical roll around the energy density of alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security be up to more than 103Wh0kg, more than power density 4200W/kg, running voltage 2.5～4.8V, product is more than 97% by security performance test percent of pass such as such as extruding, acupunctures, and cost of goods manufactured is suitable with conventional lithium ion battery.
The above, preferred embodiment the most of the present utility model, not this utility model is made any pro forma restriction；The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement this utility model swimmingly；But, all those skilled in the art in the range of without departing from technical solutions of the utility model, available disclosed above technology contents and a little change made, the equivalent variations modifying and develop, be Equivalent embodiments of the present utility model；Meanwhile, all any equivalent variations above example made according to substantial technological of the present utility model change, modify and differentiation etc., within all still falling within the protection domain of the technical solution of the utility model.

Claims (7)

  1. null1. the alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of a high security，Including negative plate (100)、Positive plate (200) and barrier film (400)，Described negative plate (100)、Positive plate (200) and barrier film (400) spaced cylindrical roll are around design forming cylinder battery core，Described barrier film (400) is arranged between negative plate (100) and positive plate (200)，It is characterized in that: described negative plate (100) is coated on both sides structure，Negative current collector (101) two sides of institute's negative plate (100) all scribbles anode active material layer (102)，The afterbody of described negative current collector (101) is provided with the negative pole exposed area (103) not coating anode active material layer (102)，Described positive plate (200) is coated on both sides structure，The plus plate current-collecting body (201) of described positive plate (200) is two-sided scribbles anode active material layer (202)，The afterbody of described plus plate current-collecting body (201) is provided with the positive pole exposed area (203) not coating anode active material layer (202)，The two-sided cathode aluminum foil (300) being fitted with aluminium electrolutic capacitor of described negative pole exposed area (103)，Described plus plate current-collecting body (201) is the anode aluminium foil of aluminium electrolutic capacitor，Described negative pole exposed area (103) parcel positive pole exposed area (203) is arranged on described cylindrical battery core outer circumference，It is wound on negative pole exposed area (103)、The two-sided release paper (500) being fitted with immersed with capacitor electrolyte of barrier film (400) between positive pole exposed area (203)，Described anode active material layer (202) is nickel-cobalt-manganese ternary material positive electrode material layer.
  2. The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security the most according to claim 1, it is characterised in that: described cylindrical battery core also includes that cylindrical steel, described cylindrical battery core are encapsulated in inside box hat.
  3. The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security the most according to claim 2, it is characterized in that: the length of described negative plate (100) is more than described positive plate (200), the length of described negative pole exposed area (103) is more than described positive pole exposed area (203), and described negative pole exposed area (103), positive pole exposed area (203) are wrapped in outside cylindrical battery core one week to ten weeks.
  4. The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security the most according to claim 3, it is characterised in that: described negative current collector (101) is Copper Foil.
  5. The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security the most according to claim 4, it is characterised in that: described barrier film (400) is PE barrier film (400), PP barrier film (400) or PE/PP composite diaphragm (400).
  6. The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security the most according to claim 5, it is characterised in that: described anode active material layer (102) is natural graphite material layer and/or electrographite material layer.
  7. The alminium electrolytic condenser type nickel-cobalt-manganese ternary material lithium ion battery of high security the most according to claim 6, it is characterized in that: described anode aluminium foil surface includes through the anode oxide film that corrosion treatmentCorrosion Science is formed, institute's negative pole aluminium foil surface includes that the Natural Oxide Film that not eroded processes, described anode oxide film and Natural Oxide Film are relative to each other through release paper (500).
CN201520968630.8U 2015-11-30 2015-11-30 Aluminium electrolytic capacitor type nickel cobalt manganese ternary material lithium ion battery of high security Expired - Fee Related CN205429090U (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105406132A (en) * 2015-11-30 2016-03-16 李朝 High-safety aluminium electrolytic capacitor type nickel-cobalt-manganese ternary material lithium ion battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105406132A (en) * 2015-11-30 2016-03-16 李朝 High-safety aluminium electrolytic capacitor type nickel-cobalt-manganese ternary material lithium ion battery

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