CN103208632B - Nano-battery composed of carbon nanotube and lithium nickel manganese oxide and preparation method thereof - Google Patents
Nano-battery composed of carbon nanotube and lithium nickel manganese oxide and preparation method thereof Download PDFInfo
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- CN103208632B CN103208632B CN201210592533.4A CN201210592533A CN103208632B CN 103208632 B CN103208632 B CN 103208632B CN 201210592533 A CN201210592533 A CN 201210592533A CN 103208632 B CN103208632 B CN 103208632B
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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
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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
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Abstract
The invention brings forward a nano-battery composed of carbon nanotube and lithium nickel manganese oxide. The nano-battery comprises an anode, a cathode, diaphragms, polymer gel electrolyte and a battery housing. The anode is composed of an anode active substance, a binder, conductive agents and an anode current collector, wherein the anode active substance is the lithium nickel manganese oxide materials, the binder is polyvinylidene fluoride, the conductive agent is selected from one or several of conductive carbon black, conductive graphite, scale graphite and the carbon nanotube, and the anode current collector is aluminium foil. The cathode is composed of cathode materials, a conductive agent, a thickening agent, the carbon nanotube, a binder and a cathode current collector. The battery uses a laminated structure of a first diaphragm, the cathode, a second diaphragm and the anode which are sequentially connected. The anode substance lithium nickel manganese oxide is added with one or several of the following substances: the conductive carbon black, the conductive graphite, the scale graphite and the carbon nanotube, thereby improving gravimetric specific energy, power, capacity, discharge efficiency, service life, security and structure stability of the nano-battery composed of the carbon nanotube and the lithium nickel manganese oxide.
Description
Technical field
Electrokinetic cell of the present invention and preparation method thereof, particularly a kind of CNT (carbon nano-tube) and nickel ion doped nano cell and preparation method thereof.
Background technology
At present, existing multiple battery on market, once battery and secondary rechargeable battery, there is plumbic acid, ni-mh, NI-G, lithium battery (cobalt acid lithium, LiMn2O4, LiFePO4) be applied in electric tool, electric bicycle, battery-operated motor cycle, electric automobile, battery in energy storage, due to low capacity, power is low, efficiency is low, polylith cell parallel need be adopted and be together in series and increase power and capacity to improve the service time of electronic product, because each battery exists certain difference, the combination of multiple battery produces considerable influence to battery performance, reduce the useful life of battery, and affect use safety.
Summary of the invention
The present invention proposes a kind of CNT (carbon nano-tube) and nickel ion doped nano cell and preparation method thereof, is to overcome simple lithium manganate battery and nickle cobalt lithium manganate and moves battery and other lithium ion battery applications voltage is low when electric motor car, energy-storage battery, specific energy is little, discharging efficiency is low, useful life is short and poor stability, battery structure can be unstable.
The technical program is achieved in that
The invention discloses a kind of CNT (carbon nano-tube) and nickel ion doped nano cell, comprise positive pole, negative pole, barrier film, gel-form solid polymer electrolyte, battery container, comprising:
Positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body,
Positive active material adopts nickel ion doped material; Binding agent adopts Kynoar; Conductive agent adopts conductive black, electrically conductive graphite, crystalline flake graphite, one or more in CNT (carbon nano-tube); Plus plate current-collecting body adopts aluminium foil;
Negative pole is made up of negative material, conductive agent, thickener, carbon nano-tube, binding agent and negative current collector,
Negative material adopt in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material one or more; Conductive agent adopts conductive carbon black, one or more in electrically conductive graphite; Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil;
Wherein, battery core comprises the barrier film between positive pole, negative pole and both positive and negative polarity, and battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole.
Further, the component of described positive pole and percentage by weight are:
Nickel ion doped 92% ~ 95%;
Conductive black 1% ~ 3% or crystalline flake graphite 0% ~ 2% or CNT (carbon nano-tube) 0% ~ 2%;
Kynoar 2% ~ 4%;
Surplus is aluminium foil.
Further, the component of described negative pole and percentage by weight are:
Negative material 92% ~ 95%, wherein, negative material is: one or more in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material;
Electrically conductive graphite 0% ~ 2%;
Carbon nano-tube 0% ~ 2%;
Butadiene-styrene rubber 2% ~ 3%;
Sodium carboxymethylcellulose 0% ~ 2%;
Surplus is Copper Foil.
The invention discloses the manufacture method of above-mentioned CNT (carbon nano-tube) and nickel ion doped nano cell in the manufacture of a kind of claim, comprising:
S1. the Kynoar of 2wt% ~ 4wt% is added in 1-METHYLPYRROLIDONE, vacuum stirring is carried out 2 ~ 3 hours under the condition having circulating water, then the nickel ion doped of mix 92% ~ 95% and the mixture of conductive agent is added, add material stirring 6 ~ 8 hours, 150 mesh sieve 1 ~ 2 time crossed by the slurry obtained; Wherein, the proportioning of conductive agent is: the CNT (carbon nano-tube) of the conductive black of 1wt% ~ 3wt% or the crystalline flake graphite of 0wt% ~ 2wt% or 0wt% ~ 2wt% or their mixtures of three kinds;
S2. the sodium carboxymethylcellulose of 0wt% ~ 2wt% is added deionized water for stirring 3 ~ 5 hours, the carbon nano-tube of the electrically conductive graphite and 0wt% ~ 2wt% that add 0wt% ~ 2wt% subsequently stirs 2 ~ 4 hours, obtain slurry, slurry is crossed colloid mill and is disperseed completely to make electrically conductive graphite and carbon nano-tube, the negative material adding 92wt% ~ 95wt% again stirs 2 ~ 4 hours, the butadiene-styrene rubber adding 2wt% ~ 3wt% subsequently stirs 1 ~ 2 hour, and 150 mesh sieve 2 ~ 3 times crossed by the slurry obtained; Negative material is one or more in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material;
S3. use base material thickness to be that 15 ~ 25um aluminium foil carries out positive pole coating, negative pole use base material thickness is that the Copper Foil of 9 ~ 15 μm carries out negative pole coating;
S4. roll-in pole piece, carries out crosscut and divides the size cutting out needs by pole piece good for roll-in;
S5. pole piece is carried out baking 3 ~ 5 hours under vacuo;
S6. the first barrier film be arranged in order, negative pole, barrier film, positive pole carried out stackedly connecting into core strueture, described barrier film adopts thickness to be the barrier film of 25um ~ 40um;
S7. require both positive and negative polarity tab welding to reserve on collector in both positive and negative polarity pole piece according to battery design, lug leave fibrous encapsulation glue, both positive and negative polarity tab welding all adopt ultrasonic bond also in addition rivet fix;
S8. superimposed battery core is loaded in made battery container, aluminum-plastic composite membrane is sealed;
S9. toast under battery core being put into vacuum state, in the battery that battery core is housed, inject gel electrolyte, then seal another side of battery; Adopt fixture to change into battery, chemical synthesis technology is that 0.02C charges 2.5 hours, and 0.1C charges 2.5 hours, and 0.2C charges 5.2V, then carries out degasification, heat-sealing, cutting edge, shaping to battery; Battery partial volume technique is that 0.5C constant current is charged to 5.2V, then under 5.2V constant-current constant-voltage charging, cut-off current is 0.04C, then discharges into 3.5V with 0.5C.
Further, positive pole compacted density is 2.2 ~ 3.9g/cm3, and negative pole compacted density is 1.2 ~ 1.6g/cm3.
Implement a kind of CNT (carbon nano-tube) of the present invention and nickel ion doped nano cell and preparation method thereof, there is following useful technique effect:
Be different from prior art and adopt simple lithium manganate battery and nickle cobalt lithium manganate to move battery and other lithium ion batteries are being applied in electric motor car, energy-storage battery voltage is low, specific energy is little, discharging efficiency is low, useful life short and poor stability, the problem that battery structure energy is unstable, conductive black is added in the technical program positive electrode nickel ion doped, electrically conductive graphite, crystalline flake graphite, one or more materials of CNT (carbon nano-tube), improve CNT (carbon nano-tube) and nickel ion doped nano cell gravimetric specific energy, power, capacity, discharging efficiency, useful life, fail safe and structural stability.
Embodiment
In this specification, wt is used to represent percentage by weight.
Embodiment one,
A kind of CNT (carbon nano-tube) and nickel ion doped nano cell, comprise positive pole, negative pole, the barrier film of 28um, gel-form solid polymer electrolyte, battery container, comprising:
Positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body,
Proportioning is: positive active material adopts the nickel ion doped material of employing work 92wt%; Binding agent adopts the Kynoar of 2.5wt%; Conductive agent adopts the conductive black of 1wt%; Plus plate current-collecting body adopts the aluminium foil of 18um; Wherein,
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector,
Proportioning is: negative material adopts the Delanium of 92wt%; Conductive agent adopts the electrically conductive graphite of 0.5wt%; Thickener adopts the sodium carboxymethylcellulose of 0.5wt%; Binding agent adopts the butadiene-styrene rubber of 2wt%; Negative current collector adopts the Copper Foil of 10um;
Wherein, battery core comprises the barrier film between positive pole, negative pole and both positive and negative polarity, and battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole.
The manufacture craft of CNT (carbon nano-tube) and nickel ion doped nano cell comprises the following steps:
S1. the Kynoar of 2.5wt% is added in 1-METHYLPYRROLIDONE, vacuum stirring is carried out 2 hours under the condition having circulating water, then add the nickel ion doped of the 92wt% mixed and the mixture of conductive agent, add material stirring 6 hours, 150 mesh sieve 1 time crossed by the slurry obtained; Wherein, the proportioning of conductive agent is: the conductive black of 1wt%;
S2. the sodium carboxymethylcellulose of 0.5wt% is added deionized water for stirring 3 hours, the carbon nano-tube of the electrically conductive graphite and 0.5wt% that add 0.5wt% subsequently stirs 2 hours, obtain slurry, slurry is crossed colloid mill and is disperseed completely to make electrically conductive graphite and carbon nano-tube, the negative material adding 92wt% again stirs 2 hours, the butadiene-styrene rubber adding 2wt% subsequently stirs 1 hour, and 150 mesh sieve 2 times crossed by the slurry obtained; Negative material is Delanium;
S3. use base material thickness to carry out positive pole coating for 18um aluminium foil, negative pole uses base material thickness to be that the Copper Foil of 10 μm carries out negative pole coating;
S4. roll-in pole piece, carries out crosscut and divides the size cutting out needs by pole piece good for roll-in;
S5. pole piece is carried out baking 3.5 hours under vacuo;
S6. the first barrier film be arranged in order, negative pole, barrier film, positive pole carried out stackedly connecting into core strueture, described barrier film adopts thickness to be the barrier film of 28um;
S7. require both positive and negative polarity tab welding to reserve on collector in both positive and negative polarity pole piece according to battery design, lug leave fibrous encapsulation glue, both positive and negative polarity tab welding all adopt ultrasonic bond also in addition rivet fix;
S8. superimposed battery core is loaded in made battery container, aluminum-plastic composite membrane is sealed;
S9. toast under battery core being put into vacuum state, in the battery that battery core is housed, inject gel electrolyte, then seal another side of battery; Adopt fixture to change into battery, chemical synthesis technology is that 0.02C charges 2.5 hours, and 0.1C charges 2.5 hours, and 0.2C charges 5.2V, then carries out degasification, heat-sealing, cutting edge, shaping to battery; Battery partial volume technique is that 0.5C constant current is charged to 5.2V, then under 5.2V constant-current constant-voltage charging, cut-off current is 0.04C, then discharges into 3.5V with 0.5C.
In the manufacture method of CNT (carbon nano-tube) of the present invention and nickel ion doped nano cell, positive pole compacted density is 2.2g/cm
3, negative pole compacted density is 1.2g/cm
3.
Embodiment two,
A kind of CNT (carbon nano-tube) and nickel ion doped nano cell, comprise positive pole, negative pole, the barrier film of 30um, gel-form solid polymer electrolyte, battery container, comprising:
Positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body,
Proportioning is: positive active material adopts the nickel ion doped material of 93wt%; Binding agent adopts the Kynoar of 3wt%; Conductive agent adopts the conductive black of 1.5wt%; Plus plate current-collecting body adopts the aluminium foil of 20um; Wherein,
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector,
Proportioning is: negative material adopts the Delanium of 93wt%; Conductive agent adopts the electrically conductive graphite of 1.5wt%; Thickener adopts the sodium carboxymethylcellulose of 1.5wt%; Binding agent adopts the butadiene-styrene rubber of 2.5wt%; Negative current collector adopts the Copper Foil of 13um;
Wherein, battery core comprises the barrier film between positive pole, negative pole and both positive and negative polarity, and battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole.
The manufacture craft of CNT (carbon nano-tube) and nickel ion doped nano cell comprises the following steps:
S1. the Kynoar of 3wt% is added in 1-METHYLPYRROLIDONE, vacuum stirring is carried out 2.5 hours under the condition having circulating water, then add the nickel ion doped of the 93wt% mixed and the mixture of conductive agent, add material stirring 7 hours, 150 mesh sieve 2 times crossed by the slurry obtained; Wherein, the proportioning of conductive agent is: the conductive black of 1.5wt%;
S2. the sodium carboxymethylcellulose of 1.5wt% is added deionized water for stirring 4 hours, the carbon nano-tube of the electrically conductive graphite and 1.5wt% that add 1.5wt% subsequently stirs 3 hours, obtain slurry, slurry is crossed colloid mill and is disperseed completely to make electrically conductive graphite and carbon nano-tube, the negative material adding 93wt% again stirs 3 hours, the butadiene-styrene rubber adding 2wt% subsequently stirs 1.5 hours, and 150 mesh sieve 3 times crossed by the slurry obtained; Negative material is native graphite;
S3. use base material thickness to carry out positive pole coating for 20um aluminium foil, negative pole uses base material thickness to be that the Copper Foil of 12 μm carries out negative pole coating;
S4. roll-in pole piece, carries out crosscut and divides the size cutting out needs by pole piece good for roll-in;
S5. pole piece is carried out baking 4 hours under vacuo;
S6. the first barrier film be arranged in order, negative pole, barrier film, positive pole carried out stackedly connecting into core strueture, described barrier film adopts thickness to be the barrier film of 30um;
S7. require both positive and negative polarity tab welding to reserve on collector in both positive and negative polarity pole piece according to battery design, lug leave fibrous encapsulation glue, both positive and negative polarity tab welding all adopt ultrasonic bond also in addition rivet fix;
S8. superimposed battery core is loaded in made battery container, aluminum-plastic composite membrane is sealed;
S9. toast under battery core being put into vacuum state, in the battery that battery core is housed, inject gel electrolyte, then seal another side of battery; Adopt fixture to change into battery, chemical synthesis technology is that 0.02C charges 2.5 hours, and 0.1C charges 2.5 hours, and 0.2C charges 5.2V, then carries out degasification, heat-sealing, cutting edge, shaping to battery; Battery partial volume technique is that 0.5C constant current is charged to 5.2V, then under 5.2V constant-current constant-voltage charging, cut-off current is 0.04C, then discharges into 3.5V with 0.5C.
In the manufacture method of CNT (carbon nano-tube) of the present invention and nickel ion doped nano cell, positive pole compacted density is 2.5g/cm
3, negative pole compacted density is 1.4g/cm
3.
Embodiment three,
A kind of CNT (carbon nano-tube) and nickel ion doped nano cell, comprise positive pole, negative pole, the barrier film of 38um, gel-form solid polymer electrolyte, battery container, comprising:
Positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body,
Proportioning is: positive active material adopts the nickel ion doped material of 95wt%; Binding agent adopts the Kynoar of 4wt%; Conductive agent adopts the conductive black of 3wt%; Plus plate current-collecting body adopts the aluminium foil of 22um; Wherein,
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector,
Proportioning is: negative material adopts the Delanium of 95wt%; Conductive agent adopts the electrically conductive graphite of 2wt%; Thickener adopts the sodium carboxymethylcellulose of 2wt%; Binding agent adopts the butadiene-styrene rubber of 3wt%; Negative current collector adopts the Copper Foil of 15um;
Wherein, battery core comprises the barrier film between positive pole, negative pole and both positive and negative polarity, and battery core adopts the laminated structure be connected by the first barrier film be arranged in order, negative pole, the second barrier film, positive pole.
The manufacture craft of CNT (carbon nano-tube) and nickel ion doped nano cell comprises the following steps:
S1. the Kynoar of 4wt% is added in 1-METHYLPYRROLIDONE, vacuum stirring is carried out 2.8 hours under the condition having circulating water, then add the nickel ion doped of the 95wt% mixed and the mixture of conductive agent, add material stirring 8 hours, 150 mesh sieve 2 times crossed by the slurry obtained; Wherein, the proportioning of conductive agent is: the conductive black of 1.5wt%;
S2. the sodium carboxymethylcellulose of 2wt% is added deionized water for stirring 5 hours, the carbon nano-tube of the electrically conductive graphite and 1.5wt% that add 1.5wt% subsequently stirs 4 hours, obtain slurry, slurry is crossed colloid mill and is disperseed completely to make electrically conductive graphite and carbon nano-tube, the negative material adding 95wt% again stirs 4 hours, the butadiene-styrene rubber adding 3wt% subsequently stirs 2 hours, and 150 mesh sieve 3 times crossed by the slurry obtained; Negative material is native graphite;
S3. use base material thickness to carry out positive pole coating for 22um aluminium foil, negative pole uses base material thickness to be that the Copper Foil of 14 μm carries out negative pole coating;
S4. roll-in pole piece, carries out crosscut and divides the size cutting out needs by pole piece good for roll-in;
S5. pole piece is carried out baking 4 hours under vacuo;
S6. the first barrier film be arranged in order, negative pole, barrier film, positive pole carried out stackedly connecting into core strueture, described barrier film adopts thickness to be the barrier film of 30um;
S7. require both positive and negative polarity tab welding to reserve on collector in both positive and negative polarity pole piece according to battery design, lug leave fibrous encapsulation glue, both positive and negative polarity tab welding all adopt ultrasonic bond also in addition rivet fix;
S8. superimposed battery core is loaded in made battery container, aluminum-plastic composite membrane is sealed;
S9. toast under battery core being put into vacuum state, in the battery that battery core is housed, inject gel electrolyte, then seal another side of battery; Adopt fixture to change into battery, chemical synthesis technology is that 0.02C charges 2.5 hours, and 0.1C charges 2.5 hours, and 0.2C charges 5.2V, then carries out degasification, heat-sealing, cutting edge, shaping to battery; Battery partial volume technique is that 0.5C constant current is charged to 5.2V, then under 5.2V constant-current constant-voltage charging, cut-off current is 0.04C, then discharges into 3.5V with 0.5C.
In the manufacture method of CNT (carbon nano-tube) of the present invention and nickel ion doped nano cell, positive pole compacted density is 3.9g/cm
3, negative pole compacted density is 1.6g/cm
3.
Claims (1)
1. the manufacture method of a CNT (carbon nano-tube) and nickel ion doped nano cell, CNT (carbon nano-tube) and nickel ion doped nano cell comprise positive pole, negative pole, multiple barrier film, gel-form solid polymer electrolyte, battery container, positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body, and positive active material adopts nickel ion doped material; Binding agent adopts Kynoar; Conductive agent adopts conductive black, crystalline flake graphite, one or more in CNT (carbon nano-tube); Plus plate current-collecting body adopts aluminium foil; Negative pole is made up of negative material, conductive agent, thickener, carbon nano-tube, binding agent and negative current collector, negative material adopt in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material one or more; Conductive agent adopts electrically conductive graphite and carbon nano-tube; Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil; Barrier film between described positive pole, negative pole and both positive and negative polarity consists of battery core, the structure of battery core be arranged in order the first barrier film, negative pole, the second barrier film, positive pole be connected laminated structure, the component of described positive pole and percentage by weight are:
Nickel ion doped 92% ~ 95%;
Conductive black 1% ~ 3% or crystalline flake graphite 0% ~ 2% or CNT (carbon nano-tube) 0.5% ~ 2% or their three kinds of mixtures;
Kynoar 2% ~ 4%;
Surplus is aluminium foil, and the component of described negative pole and percentage by weight are:
Negative material 92% ~ 95%, wherein, negative material is: one or more in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material;
Electrically conductive graphite 0.5% ~ 2%;
Carbon nano-tube 0.5% ~ 2%;
Butadiene-styrene rubber 2% ~ 3%;
Sodium carboxymethylcellulose 0.5% ~ 2%;
Surplus is Copper Foil;
Positive pole compacted density is 2.2 ~ 3.9g/cm
3, negative pole compacted density is 1.2 ~ 1.6g/cm
3;
It is characterized in that, preparation process is as follows:
S1. the Kynoar of 2wt% ~ 4wt% is added in 1-METHYLPYRROLIDONE, vacuum stirring is carried out 2 ~ 3 hours under the condition having circulating water, then the nickel ion doped of mix 92% ~ 95% and the mixture of conductive agent is added, add material stirring 6 ~ 8 hours, 150 mesh sieve 1 ~ 2 time crossed by the slurry obtained; Wherein, the proportioning of conductive agent is: the CNT (carbon nano-tube) of the conductive black of 1wt% ~ 3wt% or the crystalline flake graphite of 0wt% ~ 2wt% or 0.5wt% ~ 2wt% or their mixtures of three kinds;
S2. the sodium carboxymethylcellulose of 0.5wt% ~ 2wt% is added deionized water for stirring 3 ~ 5 hours, the carbon nano-tube of the electrically conductive graphite and 0.5wt% ~ 2wt% that add 0.5wt% ~ 2wt% subsequently stirs 2 ~ 4 hours, obtain slurry, slurry is crossed colloid mill and is disperseed completely to make electrically conductive graphite and carbon nano-tube, the negative material adding 92wt% ~ 95wt% again stirs 2 ~ 4 hours, the butadiene-styrene rubber adding 2wt% ~ 3wt% subsequently stirs 1 ~ 2 hour, and 150 mesh sieve 2 ~ 3 times crossed by the slurry obtained; Negative material is one or more in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material;
S3. use base material thickness to be that 15 ~ 25 μm of aluminium foils carry out positive pole coating, negative pole use base material thickness is that the Copper Foil of 9 ~ 15 μm carries out negative pole coating;
S4. roll-in pole piece, carries out crosscut and divides the size cutting out needs by pole piece good for roll-in;
S5. pole piece is carried out baking 3 ~ 5 hours under vacuo;
S6. the first barrier film be arranged in order, negative pole, barrier film, positive pole carried out stackedly connecting into core strueture, described barrier film adopts thickness to be the barrier film of 25 μm ~ 40 μm;
S7. require both positive and negative polarity tab welding to reserve on collector in both positive and negative polarity pole piece according to battery design, lug leave fibrous encapsulation glue, both positive and negative polarity tab welding all adopt ultrasonic bond also in addition rivet fix;
S8. superimposed battery core is loaded in made battery container, aluminum-plastic composite membrane is sealed;
S9. toast under battery core being put into vacuum state, in the battery that battery core is housed, inject gel electrolyte, then seal another side of battery; Adopt fixture to change into battery, chemical synthesis technology is that 0.02C charges 2.5 hours, and 0.1C charges 2.5 hours, and 0.2C charges 5.2V, then carries out degasification, heat-sealing, cutting edge, shaping to battery; Battery partial volume technique is that 0.5C constant current is charged to 5.2V, then under 5.2V constant-current constant-voltage charging, cut-off current is 0.04C, then discharges into 3.5V with 0.5C.
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| CN105355903A (en) * | 2015-11-24 | 2016-02-24 | 四川省有色冶金研究院有限公司 | Nickel lithium manganate-based positive electrode material of lithium ion battery and preparation method thereof |
| CN106328988A (en) * | 2016-10-19 | 2017-01-11 | 广东天劲新能源科技股份有限公司 | Single battery, preparation method thereof and production method of kettle type battery pack |
| CN108269973B (en) * | 2017-01-02 | 2020-11-06 | 深圳格林德能源集团有限公司 | Carbon-based nano material based fast charging polymer lithium ion battery |
| CN109786804B (en) * | 2018-12-04 | 2021-04-16 | 山东康洋电源有限公司 | Nano battery |
| CN109888200A (en) * | 2018-12-29 | 2019-06-14 | 深圳市卓能新能源股份有限公司 | Battery cathode coating, battery cathode sheet and its manufacturing method, lithium ion battery |
| CN110391420A (en) * | 2019-08-13 | 2019-10-29 | 自贡新洲实业有限公司 | A kind of ternary material electrode of lithium cell slurry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183731A (en) * | 2007-12-14 | 2008-05-21 | 山东海霸通讯设备有限公司 | Lithium iron phosphate aluminum shell 10 ampere-hour column battery and producing technique thereof |
| CN102035039A (en) * | 2009-09-29 | 2011-04-27 | 上海比亚迪有限公司 | High-safety lithium ion battery |
| CN102082290A (en) * | 2010-12-30 | 2011-06-01 | 奇瑞汽车股份有限公司 | High-voltage high-energy-density lithium ion battery and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7674556B2 (en) * | 2002-05-30 | 2010-03-09 | Panasonic Corporation | Non-aqueous electrolyte secondary battery and method for charging the same |
-
2012
- 2012-12-31 CN CN201210592533.4A patent/CN103208632B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183731A (en) * | 2007-12-14 | 2008-05-21 | 山东海霸通讯设备有限公司 | Lithium iron phosphate aluminum shell 10 ampere-hour column battery and producing technique thereof |
| CN102035039A (en) * | 2009-09-29 | 2011-04-27 | 上海比亚迪有限公司 | High-safety lithium ion battery |
| CN102082290A (en) * | 2010-12-30 | 2011-06-01 | 奇瑞汽车股份有限公司 | High-voltage high-energy-density lithium ion battery and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 碳纳米管用于锂离子电池负极材料;张万红等;《电池》;20060225;第36卷(第1期);第50页左栏第2-4段，第51页右栏倒数第1段，表2 * |
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