CN104103824A - High energy power battery and manufacturing method thereof - Google Patents
High energy power battery and manufacturing method thereof Download PDFInfo
- Publication number
- CN104103824A CN104103824A CN201310118034.6A CN201310118034A CN104103824A CN 104103824 A CN104103824 A CN 104103824A CN 201310118034 A CN201310118034 A CN 201310118034A CN 104103824 A CN104103824 A CN 104103824A
- Authority
- CN
- China
- Prior art keywords
- battery
- negative
- adopts
- conductive
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
Abstract
The invention provides a high energy power battery, which comprises a plurality of anodes, a plurality of cathodes, a plurality of diaphragms, a polymer gel electrolyte and a battery shell. The anodes, cathodes and the diaphragms between the anodes and cathodes form an electrical core; the anode comprises an anode active material, a conductive agent, a binder and an anode current collector, and the anode active material contains (percentage by weight) 20%-5% of lithium manganate and the balance of nickel cobalt lithium manganate; and the cathode comprises a cathode active material, a conductive agent, a thickener, a binder and a cathode current collector, and the cathode active material includes (percentage by weight) 87%-90% of graphene. The invention also discloses a manufacturing method of the high energy power battery. The high energy power battery provided by the invention and the manufacturing method thereof mainly use lithium manganate and nickel cobalt lithium manganate, which are supplemented with conductive graphite and flake graphite, so as to improve the gravimetric specific energy, security and structure stability of the power battery.
Description
Technical field
Electrokinetic cell of the present invention and preparation method thereof, particularly a kind of high-energy power battery and preparation method thereof.
Background technology
At present, along with social development, the minimizing day by day of traditional petroleum resources, and Climatic issues taking global warming as principal character threaten more and more serious to the mankind.The electric automobile of energy-conserving and environment-protective more and more becomes the optimal selection of people's trip.And the electrokinetic cell of one of critical component of electric automobile needs higher capacity, specific energy, high power, high safety, long-life.The battery of existing market is battery and secondary cell once, secondary cell is divided into again lead-acid battery, Ni-MH battery, nickel-cadmium cell, lithium ion battery, because above battery capacity is little, specific energy is low, power is low, the development of problem seriously the restricting electric automobile industry such as poor stability, useful life be short, make electrokinetic cell on electric automobile, apply more extensively, must improve capacity, specific energy, power, fail safe and the useful life of electrokinetic cell.
Summary of the invention
The present invention proposes a kind of high-energy power battery and preparation method thereof, is to overcome lithium ion battery applications voltage is low in the time of 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 high-energy power battery, comprise multiple positive poles, multiple negative pole, multiple barrier film, gel-form solid polymer electrolyte, battery container, wherein, barrier film composition battery core between positive pole, negative pole and both positive and negative polarity, battery core adopts by the first barrier film being arranged in order, negative pole, the second barrier film, anodal connected laminated structure, comprising:
Positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body, and described positive active material component and content (percentage by weight) are: 20%～25% LiMn2O4, and surplus is nickle cobalt lithium manganate;
Negative pole is made up of negative active core-shell material, conductive agent, thickener, binding agent and negative current collector, and described negative electrode active material comprises the Graphene that content (percentage by weight) is 87%～90%.
In high-energy power battery of the present invention, binding agent, conductive agent and plus plate current-collecting body that described positive pole adopts are specially: described binding agent adopts Kynoar; Conductive agent adopts one or more in conductive black, electrically conductive graphite, crystalline flake graphite, CNT (carbon nano-tube); Plus plate current-collecting body adopts aluminium foil.
In high-energy power battery of the present invention, described anodal component and percentage by weight are:
Nickle cobalt lithium manganate 58%～70%;
LiMn2O4 20%～25%;
CNT (carbon nano-tube) 1%～3%;
Conductive black 1%～3%;
Crystalline flake graphite 0%～2%;
Kynoar 2%～4%;
Surplus is aluminium foil.
In high-energy power battery of the present invention, graphite, conductive agent, thickener, binding agent and negative current collector that described negative pole adopts are specially: graphite adopts one or more in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material; Conductive agent adopts one or both in conductive carbon black, CNT (carbon nano-tube); Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil;
In high-energy power battery of the present invention, the component of described negative pole and percentage by weight are:
Graphene 87%～90%;
Conductive carbon black 1%～3%;
CNT (carbon nano-tube) 1%～3%;
Butadiene-styrene rubber 3%～5%;
Sodium carboxymethylcellulose 0%～2%;
Surplus is Copper Foil.
The manufacture method that the invention discloses above-mentioned high-energy power battery, comprising:
S1. the Kynoar of 2wt%～4wt% is added in 1-METHYLPYRROLIDONE, under the condition that has circulating water, carry out vacuum stirring 4～5 hours, then add LiMn2O4, the nickle cobalt lithium manganate of 58wt～70wt% and the mixture of conductive agent of the 20wt%～25wt% mixing, add material and stir 5～6 hours, the slurry obtaining is crossed 150 mesh sieve 1～2 time; Wherein, the proportioning of conductive agent is: the mixture that the CNT (carbon nano-tube) of the conductive black of 1wt%～3wt% or the crystalline flake graphite of 0wt%～2wt% or 1wt%～3wt% or they are three kinds;
S2. the sodium carboxymethylcellulose of 0wt%～2wt% is added to deionized water for stirring 4～5 hours, add subsequently the conductive black of 0wt%～2wt% and the CNT (carbon nano-tube) of 0wt%～2wt% to stir 1～2 hour, obtain slurry, slurry is crossed colloid mill so that conductive black and CNT (carbon nano-tube) are disperseed completely, add again 87%～90% negative material to stir 10～12 hours, add subsequently the butadiene-styrene rubber of 3wt%～5wt% to stir 1～2 hour, the slurry obtaining is crossed 150 mesh sieve 1～2 time; Negative material is Graphene;
S3. using base material thickness is that 16～24um aluminium foil carries out positive pole coating, and negative pole use base material thickness is that the Copper Foil of 7～13 μ m carries out negative pole coating;
S4. the diaphragm coiled strip being coated with is put into baking oven 85 and spend vacuum bakeout 4 hours, remove moisture content;
S5. roll-in pole piece, carries out pole piece good roll-in crosscut and divides cutting out the size needing;
S6. pole piece is carried out under vacuum to 85 degree baking 4 hours;
S7. the first barrier film being arranged in order, negative pole, barrier film, positive pole are carried out to the stacked core strueture that connects into, described barrier film adopts the barrier film that thickness is 20um～40um;
S8. require both positive and negative polarity tab welding, on the reserved collector of both positive and negative polarity pole piece, to leave fibrous encapsulation glue on lug according to battery design, both positive and negative polarity tab welding all adopts roller press type ultrasonic bond to be welded and fixed;
S9. superimposed battery core is packed in made battery container, aluminum-plastic composite membrane is sealed;
S10. battery core is put into 85 degree under vacuum state and toasted 24 hours, injection of polymer gel-type electrolyte in be less than at ambient humidity-45%RH of battery core, then seals another side of battery;
S11. the battery having left standstill is put into the hot fixture of 40 degree and pressed 1～2 minute, then put into plain clamp and press 30 seconds～60 seconds;
S12. battery changes into and partial volume: adopt fixture to change into, chemical synthesis technology is 0.03C charging 2 hours, and 0.2C is charged to 4.2V, and battery is put into stainless steel iron plate fixture 80 degree baking 3～5 hours, then battery is carried out to degasification, heat-sealing, cutting edge, shaping; Battery partial volume technique is that 0.3C constant current is charged to 4.2V, then under 4.2V constant-current constant-voltage charging, cut-off current is 0.02C, then discharges into 3.0V with 0.3C.
In the manufacture method of high-energy power battery of the present invention, anodal compacted density is 2.8～4.0g/cm
3, negative pole compacted density is 1.2～1.6g/cm
3.
Implement a kind of high-energy power battery of the present invention and preparation method thereof, there is following useful technique effect:
Be different from the lithium ion battery that available technology adopting is simple and be 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 unsettled problem of battery structure energy, the technical program positive electrode is taking LiMn2O4 and manganese nickel cobalt LiMn2O4 as main interpolation electrically conductive graphite, crystalline flake graphite, one or more materials of vanadium nanometer, the manganese nickel cobalt LiMn2O4 fusion stability of high gram volume and the good LiMn2O4 of fail safe, mixing negative pole adopts the graphite of high capacity of tourists rare again, improve this electrokinetic cell specific energy, more be improved the power of battery, capacity, useful life, the advantage such as fail safe and structural stability.
Embodiment
In this specification, use wt to represent percentage by weight.
Embodiment 1,
A kind of high-energy power battery, comprises and comprises barrier film, gel-form solid polymer electrolyte, the battery container of positive pole, negative pole, 25um:
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 LiMn2O4 of 22wt%, the nickel-cobalt lithium manganate material of 58wt%; 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 gum; Wherein,
Negative pole is made up of negative material, conductive agent, thickener, binding agent and negative current collector,
Proportioning is: negative material adopts the Graphene of 87wt%; Conductive agent adopts the conductive black of 1.2wt%; Thickener adopts the sodium carboxymethylcellulose of 0.5wt%; Binding agent adopts the butadiene-styrene rubber of 3wt%; Negative current collector adopts the Copper Foil of 7um;
Wherein, battery core comprises the barrier film between positive pole, negative pole and both positive and negative polarity, and battery core adopts by the first barrier film being arranged in order, negative pole, the second barrier film, anodal connected laminated structure.
The manufacture craft of high-energy power battery comprises the following steps:
S1. the Kynoar of 2.5wt% is added in 1-METHYLPYRROLIDONE, under the condition that has circulating water, carry out vacuum stirring 4 hours, then add LiMn2O4, the nickle cobalt lithium manganate of 58wt and the mixture of conductive agent of the 22wt% mixing, add material and stir 5 hours, the slurry obtaining is crossed 150 mesh sieve 1 time; Wherein, the proportioning of conductive agent is: the conductive black of 1wt%;
S2. the sodium carboxymethylcellulose of 0.5wt% is added to deionized water for stirring 4 hours, add subsequently the conductive black of 1.2wt% to stir 1 hour, obtain slurry, slurry is crossed colloid mill so that conductive black is disperseed completely, add again the Delanium of 91wt% to stir 5 hours, add subsequently the butadiene-styrene rubber of 2wt% to stir 1 hour, the slurry obtaining is crossed 150 mesh sieve 1 time; Negative material is one or more in Delanium, native graphite, carbonaceous mesophase spherules or hard carbon material;
S3. using base material thickness is that 16 aluminium foils carry out positive pole coating, and negative pole use base material thickness is that the Copper Foil of 8 μ m carries out negative pole coating;
S4. the diaphragm coiled strip being coated with is put into baking oven 85 and spend vacuum bakeout 4 hours, remove moisture content;
S5. roll-in pole piece, carries out pole piece good roll-in crosscut and divides cutting out the size needing;
S6. pole piece is carried out under vacuum to 85 degree baking 4 hours;
S7. the first barrier film being arranged in order, negative pole, barrier film, positive pole are carried out to the stacked core strueture that connects into, described barrier film adopts the barrier film that thickness is 25um;
S8. require both positive and negative polarity tab welding, on the reserved collector of both positive and negative polarity pole piece, to leave fibrous encapsulation glue on lug according to battery design, both positive and negative polarity tab welding all adopts roller press type ultrasonic bond to be welded and fixed;
S9. superimposed battery core is packed in made battery container, aluminum-plastic composite membrane is sealed;
S10. battery core is put into 85 degree under vacuum state and toasted 24 hours, injection of polymer gel-type electrolyte in be less than at ambient humidity-45%RH of battery core, then seals another side of battery;
S11. the battery having left standstill is put into the hot fixture of 40 degree and pressed 1 minute, then put into plain clamp and press 30 seconds;
S12. battery changes into and partial volume: adopt fixture to change into, chemical synthesis technology is 0.03C charging 2 hours, and 0.2C is charged to 4.2V, and battery is put into stainless steel iron plate fixture 80 degree baking 3 hours, then battery is carried out to degasification, heat-sealing, cutting edge, shaping; Battery partial volume technique is that 0.3C constant current is charged to 4.2V, then under 4.2V constant-current constant-voltage charging, cut-off current is 0.02C, then discharges into 3.0V with 0.3C.
Embodiment 2 to 5
Identical with the manufacture craft major part in embodiment mono-, difference is, the content of LiMn2O4, nickle cobalt lithium manganate, anodal conductive agent select and content, graphite select and the conductive agent of content and negative pole is selected and content is not identical, the high-energy power battery characteristic obtaining is as shown in following table one.
Table one
The performance of battery prepared by embodiments of the invention outclass the performance of commercially available battery, is specifically compared as follows shown in table two.
Table two
。
Claims (7)
1. a high-energy power battery, comprise multiple positive poles, multiple negative pole, multiple barrier film, gel-form solid polymer electrolyte, battery container, wherein, barrier film composition battery core between positive pole, negative pole and both positive and negative polarity, battery core adopts by the first barrier film being arranged in order, negative pole, the second barrier film, anodal connected laminated structure, it is characterized in that, comprising:
Positive pole is made up of positive active material, binding agent, conductive agent and plus plate current-collecting body, and described positive active material component and content (percentage by weight) are: 20%～25% LiMn2O4, and surplus is nickle cobalt lithium manganate;
Negative pole is made up of negative active core-shell material, conductive agent, thickener, binding agent and negative current collector, and described negative electrode active material comprises the Graphene that content (percentage by weight) is 87%～90%.
2. high-energy power battery according to claim 1, is characterized in that, binding agent, conductive agent and plus plate current-collecting body that described positive pole adopts are specially: described binding agent adopts Kynoar; Conductive agent adopts one or more in conductive black, electrically conductive graphite, crystalline flake graphite, CNT (carbon nano-tube); Plus plate current-collecting body adopts aluminium foil.
3. high-energy power battery according to claim 2, is characterized in that, described anodal component and percentage by weight are:
Nickle cobalt lithium manganate 58%～70%;
LiMn2O4 20%～25%;
CNT (carbon nano-tube) 1%～3%;
Conductive black 1%～3%;
Crystalline flake graphite 0%～2%;
Kynoar 2%～4%;
Surplus is aluminium foil.
4. according to the high-energy power battery described in claims 1 to 3 any one, it is characterized in that, conductive agent, thickener, binding agent and negative current collector that described negative pole adopts are specially: conductive agent adopts one or both in conductive carbon black, CNT (carbon nano-tube); Thickener adopts sodium carboxymethylcellulose; Binding agent adopts butadiene-styrene rubber; Negative current collector adopts Copper Foil.
5. high-energy power battery according to claim 4, is characterized in that, the component of described negative pole and percentage by weight are:
Graphene 87%～90%;
Conductive carbon black 1%～3%;
CNT (carbon nano-tube) 1%～3%;
Butadiene-styrene rubber 3%～5%;
Sodium carboxymethylcellulose 0%～2%;
Surplus is Copper Foil.
6. a manufacture method for the high-energy power battery described in claim 1 to 5 any one, is characterized in that, comprising:
S1. the Kynoar of 2wt%～4wt% is added in N monomethyl pyrrolidones, under the condition that has circulating water, carry out vacuum stirring 4～5 hours, then add LiMn2O4, the nickle cobalt lithium manganate of 58wt～70wt% and the mixture of conductive agent of the 20wt%～25wt% mixing, add material and stir 5～6 hours, the slurry obtaining is crossed 150 mesh sieve 1～2 time; Wherein, the proportioning of conductive agent is: the mixture that the CNT (carbon nano-tube) of the conductive black of 1wt%～3wt% or the crystalline flake graphite of 0wt%～2wt% or 1wt%～3wt% or they are three kinds;
S2. the sodium carboxymethylcellulose of 0wt%～2wt% is added to deionized water for stirring 4～5 hours, add subsequently the conductive black of 0wt%～2wt% and the CNT (carbon nano-tube) of 0wt%～2wt% to stir 1～2 hour, obtain slurry, slurry is crossed colloid mill so that conductive black and CNT (carbon nano-tube) are disperseed completely, add again 87%～90% negative material to stir 10～12 hours, add subsequently the butadiene-styrene rubber of 3wt%～5wt% to stir 1～2 hour, the slurry obtaining is crossed 150 mesh sieve 1～2 time; Negative material is Graphene;
S3. using base material thickness is that 16～24um aluminium foil carries out positive pole coating, and negative pole use base material thickness is that the Copper Foil of 7～13 μ m carries out negative pole coating;
S4. the diaphragm coiled strip being coated with is put into baking oven 85 and spend vacuum bakeout 4 hours, remove moisture content;
S5. roll-in pole piece, carries out pole piece good roll-in crosscut and divides cutting out the size needing;
S6. pole piece is carried out under vacuum to 85 degree baking 4 hours;
S7. the first barrier film being arranged in order, negative pole, barrier film, positive pole are carried out to the stacked core strueture that connects into, described barrier film adopts the barrier film that thickness is 20um～40um;
S8. require both positive and negative polarity tab welding, on the reserved collector of both positive and negative polarity pole piece, to leave fibrous encapsulation glue on lug according to battery design, both positive and negative polarity tab welding all adopts roller press type ultrasonic bond to be welded and fixed;
S9. superimposed battery core is packed in made battery container, aluminum-plastic composite membrane is sealed;
S10. battery core is put into 85 degree under vacuum state and toasted 24 hours, injection of polymer gel-type electrolyte in be less than at ambient humidity-45%RH of battery core, then seals another side of battery;
S11. the battery having left standstill is put into the hot fixture of 40 degree and pressed 1～2 minute, then put into plain clamp and press 30 seconds～60 seconds;
S12. battery changes into and partial volume: adopt fixture to change into, chemical synthesis technology is 0.03C charging 2 hours, and 0.2C is charged to 4.2V, and battery is put into stainless steel iron plate fixture 80 degree baking 3～5 hours, then battery is carried out to degasification, heat-sealing, cutting edge, shaping; Battery partial volume technique is that 0.3C constant current is charged to 4.2V, then under 4.2V constant-current constant-voltage charging, cut-off current is 0.02C, then discharges into 3.0V with 0.3C.
7. the manufacture method of high-energy power battery according to claim 6, is characterized in that, anodal compacted density is 2.8～4.0g/cm
3, negative pole compacted density is 1.2～1.6g/cm
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310118034.6A CN104103824A (en) | 2013-04-02 | 2013-04-02 | High energy power battery and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310118034.6A CN104103824A (en) | 2013-04-02 | 2013-04-02 | High energy power battery and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104103824A true CN104103824A (en) | 2014-10-15 |
Family
ID=51671779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310118034.6A Pending CN104103824A (en) | 2013-04-02 | 2013-04-02 | High energy power battery and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104103824A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328902A (en) * | 2016-10-19 | 2017-01-11 | 江苏海四达电源股份有限公司 | High-capacity lithium-ion power battery for electromobiles and preparation method thereof |
| CN107834062A (en) * | 2017-11-20 | 2018-03-23 | 中山市电赢科技有限公司 | A kind of anode constituents of rate battery |
| CN108666564A (en) * | 2017-03-29 | 2018-10-16 | 丘玓 | Graphene metal power-driven battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409369A (en) * | 2008-11-14 | 2009-04-15 | 东莞市迈科科技有限公司 | Large-capacity high power polymer ferric lithium phosphate power cell and preparation method thereof |
| CN101572327A (en) * | 2009-06-11 | 2009-11-04 | 天津大学 | Lithium ion battery adopting graphene as cathode material |
| CN101685878A (en) * | 2008-09-27 | 2010-03-31 | 深圳市比克电池有限公司 | Preparation method of polymer lithium ion battery |
| CN102856590A (en) * | 2012-09-21 | 2013-01-02 | 深圳市美拜电子有限公司 | Forming and capacity grading method of lithium ion secondary battery |
-
2013
- 2013-04-02 CN CN201310118034.6A patent/CN104103824A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685878A (en) * | 2008-09-27 | 2010-03-31 | 深圳市比克电池有限公司 | Preparation method of polymer lithium ion battery |
| CN101409369A (en) * | 2008-11-14 | 2009-04-15 | 东莞市迈科科技有限公司 | Large-capacity high power polymer ferric lithium phosphate power cell and preparation method thereof |
| CN101572327A (en) * | 2009-06-11 | 2009-11-04 | 天津大学 | Lithium ion battery adopting graphene as cathode material |
| CN102856590A (en) * | 2012-09-21 | 2013-01-02 | 深圳市美拜电子有限公司 | Forming and capacity grading method of lithium ion secondary battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328902A (en) * | 2016-10-19 | 2017-01-11 | 江苏海四达电源股份有限公司 | High-capacity lithium-ion power battery for electromobiles and preparation method thereof |
| CN108666564A (en) * | 2017-03-29 | 2018-10-16 | 丘玓 | Graphene metal power-driven battery |
| CN108666564B (en) * | 2017-03-29 | 2021-07-02 | 广西利维重工股份有限公司 | Graphene metal power battery |
| CN107834062A (en) * | 2017-11-20 | 2018-03-23 | 中山市电赢科技有限公司 | A kind of anode constituents of rate battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105449186B (en) | A kind of secondary cell and preparation method thereof | |
| CN104103848A (en) | Lithium manganate and nickel cobalt lithium manganate power battery and manufacturing method thereof | |
| CN103208645B (en) | Nano-power battery composed of lithium manganate and graphene and preparation method thereof | |
| CN102544575B (en) | Lithium-rich manganese-based power battery and manufacturing method thereof | |
| CN102683751B (en) | High-capacity high-magnification square lithium ion power battery and manufacturing method thereof | |
| CN103208646A (en) | Lithium manganate and nickel cobalt lithium manganate nanometer battery and manufacturing method thereof | |
| CN102623757B (en) | Iron-nickel storage battery adopting steel-strip iron electrode as cathode and preparation method of iron-nickel storage battery | |
| CN104577188A (en) | Ternary hybrid lithium manganate lithium-ion power battery and manufacturing method thereof | |
| JP2009004181A (en) | Electrode for battery | |
| KR20140039208A (en) | High capacitance lithium ion battery containing metallic conducting materials | |
| CN104795559A (en) | High-energy-density lithium-ion battery | |
| JP2013084566A (en) | Nonaqueous electrolytic secondary cell | |
| WO2014206352A1 (en) | Electrolytic solution and battery | |
| CN104103849A (en) | Lithium iron phosphate power battery and manufacturing method thereof | |
| CN103208632B (en) | Nano-battery composed of carbon nanotube and lithium nickel manganese oxide and preparation method thereof | |
| CN111613830B (en) | Composite electrolyte and application thereof | |
| CN110165289A (en) | Lithium ion battery and preparation method | |
| CN108258245A (en) | A kind of combined conductive agent, lithium ion cell positive and lithium ion battery | |
| CN108400286A (en) | A kind of energy storage device preparation method based on high resiliency electrode | |
| WO2020038011A1 (en) | Lithium ion battery and preparation method therefor, and electric vehicle | |
| CN105428636A (en) | Lithium ion battery anode material based on lithium titanate and preparation method thereof | |
| CN104659332A (en) | High-magnification lithium iron phosphate battery positive electrode and manufacturing method thereof | |
| JP2014096238A (en) | Process of manufacturing positive electrode for power storage device and positive electrode | |
| CN109988522A (en) | Adhesive tape and electrochemical device comprising same | |
| CN105355903A (en) | Nickel lithium manganate-based positive electrode material of lithium ion battery and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: SHENZHEN PUYI BATTERY TECHNOLOGY CO., LTD. Document name: Notification of an Office Action |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: SHENZHEN PUYI BATTERY TECHNOLOGY CO., LTD. Document name: Notification that Application Deemed to be Withdrawn |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141015 |