CN104241595A - Electrode with insulation coating, manufacturing method of electrode and lithium battery comprising electrode - Google Patents
Electrode with insulation coating, manufacturing method of electrode and lithium battery comprising electrode Download PDFInfo
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- CN104241595A CN104241595A CN201310254436.9A CN201310254436A CN104241595A CN 104241595 A CN104241595 A CN 104241595A CN 201310254436 A CN201310254436 A CN 201310254436A CN 104241595 A CN104241595 A CN 104241595A
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- lithium ion
- lithium
- insulating coating
- ion battery
- glass material
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- 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
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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 negative electrode for a lithium ion battery. The negative electrode comprises a negative electrode current collector, a negative electrode active material coating which is connected to the negative electrode current collector and an insulation coating which is arranged on the negative electrode active material coating, wherein the insulation coating comprises a glass material with a capacity of guiding the lithium ions. The invention also provides a preparation method of the negative electrode and a lithium battery comprising the negative electrode. The lithium battery has high-rate charging and discharging performance and high safety and is applicable to the field of electric cars.
Description
Technical field
The present invention relates to a kind of electrode with insulating coating for lithium rechargeable battery, its manufacture method and the lithium battery containing this electrode.
Background technology
Secondary lithium battery is due to the performance of its excellence, and the application in fields such as electronic product, stand-by power supply and electric automobiles is more and more extensive, and what require along with application improves constantly, and lithium ion battery product also constantly updates the replacement.In lithium battery use procedure, the fail safe of battery is a problem that must consider all the time, and particularly capacity of lithium ion battery is more and more higher at present, and in use procedure, electric current is increasing, and battery security becomes matter of utmost importance.
Since the nineties, since Sony corporation of Japan successfully releases commercial lithium ion battery first, along with to battery low cost, high-energy-density, good cycle, what high security required improves constantly, and lithium ion battery enters a period developed rapidly.Especially, after electric automobile occurs, each side such as the specific capacity of battery, specific energy, cycle performance and fail safe are had higher requirement, in battery material and battery making, has had more breakthrough.Cobalt acid lithium due to its manufacture craft simple, capacity is high, is therefore still topmost lithium ion secondary battery anode material up to now, but its poor heat stability, anti-over-charging ability is weak, and to cause with cobalt acid lithium be positive electrode, and battery security is poor, so there is no be used to battery for electric automobile.Transition metal stratiform oxide LiM(M is selected from Co, Ni and Mn) O
2material has higher operating voltage, has stronger advantage and gets most of the attention, have and apply more widely in electric vehicle battery in battery energy density and high rate charge-discharge.The LiMPO of olivine structural
4(M is selected from Co, Ni and Mn) compound, owing to having good thermal stability and good cycle performance, also occupies very big market in Vehicular battery.
In negative material, at present main with graphite and lithium titanate for mainstay material.Graphite material owing to easily separating out Li dendrite in charge and discharge process, and first charge-discharge efficiency is lower, has an effect with electrolyte, there is the unfavorable factors such as voltage delay.Lithium titanate material, for graphite, has better fail safe, and high rate charge-discharge ability is strong, and especially its cycle performance is very good, but its higher operating potential limits the specific capacity of battery.From current battery for electric automobile, in order to balance from capacity and fail safe, main exist three kinds of batteries, and a kind of is LiMPO with olivine structural
4(M is selected from Co, Ni and Mn) compound is positive electrode, and graphite is as negative material, and such battery security is better, but there is certain defect in energy density and low temperature environment use; Another is selected from Co, Ni and Mn with transition metal stratiform oxide LiM(M exactly) O
2material is positive electrode, and lithium titanate is negative material, and this battery has good circulation ability, possesses high rate charge-discharge, but capacity density is lower; The third is selected from Co, Ni and Mn with transition metal stratiform oxide LiM(M exactly) O
2material is positive electrode, and graphite is that negative material matches, and this kind of battery capacity density is higher, and cycle performance of battery is better, but fail safe need further raising.
Summary of the invention
The present invention in order to improve the security performance of lithium rechargeable battery, at coating layer of active substance surface coverage one layer insulating of negative pole, improve battery in use fail safe.
The invention provides a kind of negative pole for lithium ion battery, comprise negative current collector, be combined in the negative electrode active material coating on negative current collector and the insulating coating in negative electrode active material coating, this insulating coating contains the glass material having and lead lithium ion ability.Above-mentioned have the glass material of leading lithium ion ability and can be selected from SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2, Li
2s-SiS
2-Li
4siO
4and Li
2o-P
2o
5-B
2o
3deng at least one.
According to object of the present invention, the content of above-mentioned glass material in insulating coating is 20 ~ 100wt%.The thickness of insulating coating is 0.1 ~ 50 μm, and the thickness of preferred insulating coating is 0.1 ~ 10 μm.
Further, insulating coating can also comprise the lithium compound having and lead lithium ion ability, has the lithium compound of leading lithium ion ability and can be selected from lithium phosphate (Li
3pO
4), at least one in titanium phosphate lithium and lithium nitride etc.
Polymer can also be comprised in above-mentioned insulating coating, type of polymer can select the polymer not participating in electrode reaction, comprise conventional oil-based polymer, as PVDF, PVDF-HFP, PVDF-CTFE etc., also waterborne polymeric can be used, as LA133 water-based electrode adhesive (Chengdu Yindile Power Source Science and Technology Co., Ltd) etc.
Present invention also offers a kind of lithium ion battery, comprise positive pole, negative pole, barrier film and electrolyte, wherein negative pole comprises negative current collector, is combined in the negative electrode active material coating on negative current collector and the insulating coating in negative electrode active material coating, and this insulating coating contains the glass material having and lead lithium ion ability.Above-mentioned have the glass material of leading lithium ion ability and can be selected from SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2, Li
2s-SiS
2-Li
4siO
4and Li
2o-P
2o
5-B
2o
3deng at least one.Further, insulating coating can also comprise the lithium compound having and lead lithium ion ability, has the lithium compound of leading lithium ion ability and can be selected from lithium phosphate (Li
3pO
4), at least one in titanium phosphate lithium, lithium nitride etc.
Lithium ion battery provided by the invention, wherein, polymer can also be comprised in insulating coating in negative pole, type of polymer can select the polymer not participating in electrode reaction, comprise conventional oil-based polymer, as PVDF, PVDF-HFP, PVDF-CTFE etc., also waterborne polymeric can be used, as LA133 water-based electrode adhesive (Chengdu Yindile Power Source Science and Technology Co., Ltd) etc.
In above-mentioned lithium ion battery, positive pole comprises plus plate current-collecting body and is combined in the positive pole coating on plus plate current-collecting body, and described positive pole coating contains the LiMPO of olivine structural
4(M is selected from Co, Ni and Mn) compound or transition metal stratiform oxide LiMO
2(M is selected from Co, Ni and Mn) material.
Present invention also offers a kind of lithium ion battery bag/group, comprise lithium ion battery as above.
Invention further provides a kind of manufacture method of foregoing lithium ion battery negative, comprise the following steps: a, on negative current collector, be coated with negative electrode active material layer; B, glass material or glass material and lithium compound joined in corresponding solvent obtain insulating coating slurry; C, insulating coating slurry obtained in step b is coated on the negative electrode active material layer that obtains in step a and forms insulating coating.Wherein, glass material is selected from SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2, Li
2s-SiS
2-Li
4siO
4and Li
2o-P
2o
5-B
2o
3in at least one.Lithium compound is selected from lithium phosphate (Li
3pO
4), at least one in titanium phosphate lithium and lithium nitride etc.
According to another embodiment of the invention, step b be first by dissolution of polymer in corresponding solvent, then glass material or glass material and lithium compound are joined in above-mentioned polymer solution and obtain insulating coating slurry.
Negative active core-shell material and conductive agent, adhesive mixed preparing are obtained cathode size, cathode size is coated on negative current collector, there is in its surface coverage the slurry of the glass material (or glass material and lithium compound) of leading lithium ion ability again, finally carry out drying.Insulating coating can be obtained by various distinct methods, as silk screen printing, dip-coating or coating etc.
According to another embodiment of the invention, carry out coating covering, first by dissolution of polymer in corresponding solvent, such as PVDF is dissolved in the mixed solvent of NMP or NMP and alcohol, ether, or water-based binder is dissolved in alcohols solvent the polymer solution forming certain viscosity; Then join in above-mentioned polymer solution by glass material used and lithium compound particle, dispersion makes glass material and lithium compound particle to stablize well and forms homogeneous slurry in a polymer solution; The above-mentioned slurry made is coated and is coated with on the negative current collector of cathode size.Polymer content can in 0% ~ 50% scope, preferably in 0% ~ 10% scope.When polymer content is 0%, insulating coating is single inorganic material layer (i.e. glass material or glass material and lithium compound).Although now do not have polymeric binder, because coating layer thickness is very thin, inorganic coating still can attach to negative terminal surface well.Above-mentioned glass material can be selected from SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2, Li
2s-SiS
2-Li
4siO
4and Li
2o-P
2o
5-B
2o
3deng at least one.Lithium compound can be selected from lithium phosphate (Li
3pO
4), at least one in titanium phosphate lithium and lithium nitride etc.Because inorganic particle (i.e. glass material or glass material and lithium compound) is all nano particle, can contact well between particle, lithium ion can transmit better between these nanoparticle, thus improves and lead lithium ion ability.
According to object of the present invention, the content of above-mentioned glass material in insulating coating is 20 ~ 100wt%.The thickness of insulating coating is 0.1 ~ 50 μm, and the thickness of preferred insulating coating is 0.1 ~ 10 μm.
According to object of the present invention, further provide a kind of manufacture method of foregoing lithium ion battery, comprise the making of positive pole: positive electrode active materials and conductive agent, adhesive mixed preparing are obtained anode sizing agent, is coated on by anode sizing agent on plus plate current-collecting body; The making of negative pole: negative active core-shell material and conductive agent, adhesive mixed preparing are obtained cathode size, cathode size is coated on negative current collector, there is in its surface coverage the slurry of the glass material (or glass material and lithium compound) of leading lithium ion ability again, finally carry out drying.
The invention provides a kind of lithium ion battery with high-energy-density, high rate capability and high safety performance.Lithium ion battery of the present invention comprises a kind of negative pole with insulating coating, this negative pole comprises (a) active material layer, (b) insulating coating on active material layer surface, described insulating coating contains glass material (or glass material and lithium compound), further, insulation also contains polymer in painting.
According to the embodiment of the present invention, the insulating coating key component coated on electrode is glass material (or glass material and lithium compound) inorganic particle, this inorganic particle can exist with single primary particle or form various second particle and exist in the coating, as caking, balling-up etc., its Main Function is that isolated positive active material avoids the two directly to contact with negative electrode active material.
Glass material in the present invention in insulating coating (or glass material and lithium compound) inorganic particle preferably have lead lithium particle ability and in battery operation voltage range chemistry and the stable inorganic material of physical property, coating stablizing in battery operation can be kept like this, thus keep the high cycle performance of battery.Above-mentioned inorganic particle has leads lithium ion ability, and the lithium ion in electrolyte can be conducted better in the coating, reduces coating to the impact of battery impedance, optimizes battery performance.
According to the embodiment of the present invention, insulating coating comprises the mixture of inorganic particle or inorganic particle and polymer, and the thickness of insulating coating is between 0.1 ~ 50 μm.Wherein, the granular size of inorganic particle is preferably 0.01nm-10 μm, is preferably nano-scale dimension particle.Between the particle of nano-scale dimension, gap is more, and it is stronger that it leads lithium ion ability, more easily improves the performance of battery.As fruit granule is excessive, then the corresponding increase of coating layer thickness, causes the impedance of battery to be increased, affects battery performance.Polymer content in the coating can adjust as required, and preferably within the scope of 0-50%, when thickness is identical, polymer content is high, and the impedance of respective battery is just high, affects the performance of whole battery.When polymer content is zero, now coating is single inorganic particulate component.
The present invention compared with prior art, can provide a kind of lithium battery for electric vehicle possessing high-rate charge-discharge capability and high security.The positive active material that insulating coating can completely cut off battery better directly contacts with negative electrode active material, avoids the exothermic effect that battery short circuit causes, and battery all can not be blasted in extreme circumstances.
In order to make the technical problem to be solved in the present invention, technical scheme and effect clearly understand, below in conjunction with embodiment, the present invention is described in further detail.Should be appreciated that following embodiment only in order to explain the present invention, do not limit the scope of the invention.
Embodiment
Embodiment 1
The making of 1-1, positive pole
The PVDF accounting for gross mass 5% is dissolved in METHYLPYRROLIDONE, fully stirs the uniform solution forming PVDF, then will account for the tertiary cathode material (LiMO of gross mass 94%
2(M is Mn, Co and Ni)), the conductive carbon black of 1% joins in the solution of above-mentioned PVDF, obtained anode sizing agent.Anode sizing agent is coated with, and dry roll-in is carried out to the pole piece be coated with.
1-2, have insulating barrier negative pole make
The PVDF accounting for gross mass 4% is dissolved in a certain amount of METHYLPYRROLIDONE, the abundant uniform solution stirring formation PVDF, then the graphite accounting for gross mass 94% is joined in above-mentioned PVDF solution with the conductive carbon black accounting for gross mass 2%, obtained cathode size.Cathode size is coated with, and dryer roll is carried out to the pole piece be coated with suppresses to obtain negative pole.
The making of 1-3, battery
Above-mentioned obtained positive pole, the negative pole with insulating barrier and barrier film are carried out lamination and make battery, the electrolyte of the lithium hexafluoro phosphate containing 1mol/L is added wherein, then carries out aging.
Embodiment 2
The making of 2-1, positive pole
The PVDF accounting for gross mass 5% is dissolved in METHYLPYRROLIDONE, fully stirs the uniform solution forming PVDF, then will account for the tertiary cathode material (LiMO of gross mass 94%
2(M is Mn, Co and Ni)), the conductive carbon black of 1% joins in the solution of above-mentioned PVDF, obtained anode sizing agent.Anode sizing agent is coated with, and dry roll-in is carried out to the pole piece be coated with.
2-2, have insulating barrier negative pole make
The PVDF accounting for gross mass 4% is dissolved in a certain amount of METHYLPYRROLIDONE, the abundant uniform solution stirring formation PVDF, then the graphite accounting for gross mass 94% is joined in above-mentioned PVDF solution with the conductive carbon black accounting for gross mass 2%, obtained cathode size.Cathode size is coated with, and dryer roll is carried out to the pole piece be coated with suppresses to obtain negative pole.
By 12gLi
3pO
4with 12g SiS
2join in 600g oxolane in argon gas atmosphere, ball milling disperses.Above-mentioned obtained negative pole is carried out impregnation process in this slurry, and dry, the thickness of insulating layer on negative pole is about 20 μm.
The making of 2-3, battery
Above-mentioned obtained positive pole, the negative pole with insulating barrier and barrier film are carried out lamination and make battery, the electrolyte of the lithium hexafluoro phosphate containing 1mol/L is added wherein, then carries out aging.
Embodiment 3
Other steps are with embodiment 2, and the negative pole making step with insulating barrier is as follows: by 8gLi
3pO
4, 12g SiS
2and 4gP
2s
5join in 600g oxolane in argon gas atmosphere, ball milling disperses.Above-mentioned obtained negative pole is carried out impregnation process in this slurry, and dry, the thickness of insulating layer on negative pole is about 10 μm.After be assembled into battery in an inert atmosphere.
Embodiment 4
Other steps are with embodiment 2, and the negative pole making step with insulating barrier is as follows: by obtained 20g0.6Li
2s-0.4SiS
2material powder joins in 600g oxolane in glove box, and ball milling disperses.Above-mentioned obtained negative pole is carried out impregnation process in this slurry, and dry, the thickness of insulating layer on negative pole is about 15 μm.Then battery is assembled in an inert atmosphere.
Embodiment 5
Other steps are with embodiment 2, and the negative pole making step with insulating barrier is as follows: by obtained 20g0.95 (0.6Li
2s-0.4SiS
2)-0.05Li
2siO
4powder joins in 600g oxolane in argon gas atmosphere, and ball milling 4h disperses completely.Above-mentioned obtained negative pole is carried out impregnation process in this slurry, and dry, the thickness of insulating layer on negative pole is about 15 μm.Be assembled into battery in an inert atmosphere.
Safety of lithium secondary battery can be evaluated
The capacitance of lithium secondary battery of above-mentioned preparation is about 3Ah, and battery charges with 5C electric current, and its anti-charging ability is with time representation.
Experimental result shows, longer according to its duration of the lithium battery including insulating barrier negative pole prepared by embodiment 2-5, compared with the lithium cell charging time lengthening one times not including insulating barrier negative pole in embodiment 1.
Acupuncture experiment shows, the lithium battery not including insulating barrier negative pole in embodiment 1 is smoldered serious in acupuncture experiment, and meeting flame, and the lithium battery including insulating barrier negative pole prepared by embodiment 2-5 is not smoldered after acupuncture terminates, and battery shape remains unchanged, embody good security performance.
Claims (18)
1. the negative pole of a lithium ion battery, comprise negative current collector, combination negative electrode active material coating on a current collector and the insulating coating in negative electrode active material coating, this insulating coating contains the glass material having and lead lithium ion ability, and described glass material is selected from SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2, Li
2s-SiS
2-Li
4siO
4and Li
2o-P
2o
5-B
2o
3in at least one.
2. the negative pole of lithium ion battery according to claim 1, is characterized in that, the content of described glass material in insulating coating is 20 ~ 100%.
3. the negative pole of lithium ion battery according to claim 1, is characterized in that, the thickness of described insulating coating is 0.1 ~ 50 μm.
4. the negative pole of lithium ion battery according to claim 3, is characterized in that, the thickness of described insulating coating is 0.1 ~ 10 μm.
5. the negative pole of lithium ion battery according to claim 1, is characterized in that, described insulating coating comprises the lithium compound having and lead lithium ion ability further, and lithium compound is selected from lithium phosphate (Li
3pO
4), at least one in titanium phosphate lithium and lithium nitride.
6., according to the negative pole of the arbitrary described lithium ion battery of claim 1-5, it is characterized in that, described insulating coating comprises polymer further, and this polymer is selected from least one in PVDF, PVDF-HFP and PVDF-CTFE.
7., according to the negative pole of the arbitrary described lithium ion battery of claim 1-5, it is characterized in that, described insulating coating comprises polymer further, and this polymer is waterborne polymeric.
8. a preparation method for lithium ion battery negative, comprises the steps: a, on negative current collector, is coated with negative electrode active material layer; B, glass material or glass material and lithium compound joined in corresponding solvent obtain insulating coating slurry; C, insulating coating slurry obtained in step b is coated on the negative electrode active material layer that obtains in step a and forms insulating coating.
9. the preparation method of lithium ion battery negative according to claim 8, is characterized in that, described glass material is selected from SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2, Li
2s-SiS
2-Li
4siO
4and Li
2o-P
2o
5-B
2o
3in at least one.
10. the preparation method of lithium ion battery negative according to claim 8, is characterized in that, described lithium compound is selected from lithium phosphate (Li
3pO
4), at least one in titanium phosphate lithium and lithium nitride.
The preparation method of 11. lithium ion battery negatives according to claim 8, it is characterized in that, described step b be first by dissolution of polymer in corresponding solvent, then glass material or glass material and lithium compound are joined in above-mentioned polymer solution and obtain insulating coating slurry.
The preparation method of 12. lithium ion battery negatives according to claim 11, is characterized in that, described polymer is selected from least one in PVDF, PVDF-HFP and PVDF-CTFE.
The preparation method of 13. lithium ion battery negatives according to claim 11, is characterized in that, described polymer is waterborne polymeric.
The preparation method of 14. lithium ion battery negatives according to claim 8, is characterized in that, the thickness of described insulating coating is 0.1 ~ 50 μm.
The preparation method of 15. lithium ion battery negatives according to claim 14, is characterized in that, the thickness of described insulating coating is 0.1 ~ 10 μm.
The preparation method of 16. lithium ion battery negatives according to claim 8, is characterized in that, the content of described glass material in insulating coating is 20 ~ 100%.
17. 1 kinds of lithium ion batteries, comprise positive pole, negative pole, barrier film and electrolyte, wherein negative pole comprises negative current collector, is combined in the negative electrode active material coating on above-mentioned collector and the insulating coating in negative electrode active material coating, this insulating coating contains the glass material having and lead lithium ion ability, described glass material SiS
2, P
2s
5, Li
4siO
4-B
2o
3, Li
2s-SiS
2and Li
2o-P
2o
5-B
2o
3in at least one.
18. 1 kinds of lithium ion battery bag/groups, comprise lithium ion battery as claimed in claim 17.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046133A (en) * | 2017-03-16 | 2017-08-15 | 成都新柯力化工科技有限公司 | A kind of lithium battery anode body and preparation method using aluminum phosphate foam glass as collector |
| CN107845768A (en) * | 2016-09-20 | 2018-03-27 | 株式会社东芝 | Electrode, nonaqueous electrolyte battery, battery bag and vehicle |
| US10461329B2 (en) | 2016-12-06 | 2019-10-29 | Toyota Motor Engineering & Manufacturing North America, Inc. | High capacity phosphorous sulfide based cathode materials for magnesium batteries |
| CN112151736A (en) * | 2019-06-27 | 2020-12-29 | 浙江伏打科技有限公司 | Preparation method of pole piece with coating and lithium ion battery |
| CN112151777A (en) * | 2020-09-03 | 2020-12-29 | 浙江锋锂新能源科技有限公司 | Negative pole piece and preparation method thereof |
| CN116230944A (en) * | 2023-05-05 | 2023-06-06 | 四川新能源汽车创新中心有限公司 | Thermal-insulation pre-lithiation functional layer and lithium ion battery thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334969A (en) * | 1998-12-17 | 2002-02-06 | 摩泰克公司 | Protective coating for separators for electrochemical cells |
| JP2006032129A (en) * | 2004-07-16 | 2006-02-02 | Kyoto Univ | Lithium battery |
| CN101401232A (en) * | 2006-03-10 | 2009-04-01 | Lg化学株式会社 | Electrode having porous active coating layer, manufacturing method thereof and electrochemical device containing the same |
| WO2013064772A1 (en) * | 2011-11-02 | 2013-05-10 | Fabien Gaben | Method for the production of thin films of solid electrolyte for lithium ion batteries |
-
2013
- 2013-06-24 CN CN201310254436.9A patent/CN104241595A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334969A (en) * | 1998-12-17 | 2002-02-06 | 摩泰克公司 | Protective coating for separators for electrochemical cells |
| JP2006032129A (en) * | 2004-07-16 | 2006-02-02 | Kyoto Univ | Lithium battery |
| CN101401232A (en) * | 2006-03-10 | 2009-04-01 | Lg化学株式会社 | Electrode having porous active coating layer, manufacturing method thereof and electrochemical device containing the same |
| WO2013064772A1 (en) * | 2011-11-02 | 2013-05-10 | Fabien Gaben | Method for the production of thin films of solid electrolyte for lithium ion batteries |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845768A (en) * | 2016-09-20 | 2018-03-27 | 株式会社东芝 | Electrode, nonaqueous electrolyte battery, battery bag and vehicle |
| CN107845768B (en) * | 2016-09-20 | 2021-06-01 | 株式会社东芝 | Electrode, nonaqueous electrolyte battery, battery pack, and vehicle |
| US10461329B2 (en) | 2016-12-06 | 2019-10-29 | Toyota Motor Engineering & Manufacturing North America, Inc. | High capacity phosphorous sulfide based cathode materials for magnesium batteries |
| CN107046133A (en) * | 2017-03-16 | 2017-08-15 | 成都新柯力化工科技有限公司 | A kind of lithium battery anode body and preparation method using aluminum phosphate foam glass as collector |
| CN107046133B (en) * | 2017-03-16 | 2019-07-19 | 上海太洋科技有限公司 | It is a kind of using aluminum phosphate foam glass as the lithium battery anode body and preparation method of collector |
| CN112151736A (en) * | 2019-06-27 | 2020-12-29 | 浙江伏打科技有限公司 | Preparation method of pole piece with coating and lithium ion battery |
| CN112151777A (en) * | 2020-09-03 | 2020-12-29 | 浙江锋锂新能源科技有限公司 | Negative pole piece and preparation method thereof |
| CN112151777B (en) * | 2020-09-03 | 2021-12-10 | 浙江锋锂新能源科技有限公司 | Negative pole piece and preparation method thereof |
| CN116230944A (en) * | 2023-05-05 | 2023-06-06 | 四川新能源汽车创新中心有限公司 | Thermal-insulation pre-lithiation functional layer and lithium ion battery thereof |
| CN116230944B (en) * | 2023-05-05 | 2023-09-01 | 四川新能源汽车创新中心有限公司 | Thermal-insulation pre-lithiation functional layer and lithium ion battery thereof |
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