CN106299372A - A kind of method improving slurry dispersion stabilization and coating homogeneity - Google Patents

A kind of method improving slurry dispersion stabilization and coating homogeneity Download PDF

Info

Publication number
CN106299372A
CN106299372A CN201610786254.XA CN201610786254A CN106299372A CN 106299372 A CN106299372 A CN 106299372A CN 201610786254 A CN201610786254 A CN 201610786254A CN 106299372 A CN106299372 A CN 106299372A
Authority
CN
China
Prior art keywords
coating
dispersion stabilization
slurry
negative
positive electrode
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
Application number
CN201610786254.XA
Other languages
Chinese (zh)
Inventor
郑彦俊
王立仕
王驰伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin EV Energies Co Ltd
Original Assignee
Tianjin EV Energies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin EV Energies Co Ltd filed Critical Tianjin EV Energies Co Ltd
Priority to CN201610786254.XA priority Critical patent/CN106299372A/en
Publication of CN106299372A publication Critical patent/CN106299372A/en
Pending legal-status Critical Current

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
    • H01M4/62—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The present invention provides a kind of method improving slurry dispersion stabilization and coating homogeneity, uses vibrating device in homogenization process, in storing process and in coating process.Raising slurry dispersion stabilization of the present invention and the method for coating homogeneity, by adding vibration in homogenization process, thus reduce Homogenization time；By increasing vibration in the transfer tank of slurry, improve stability and the homogeneity of slurry storage；By increasing vibration when coating, improve the distributing homogeneity of coated face density.

Description

A kind of method improving slurry dispersion stabilization and coating homogeneity
Technical field
The present invention relates to homogenate, storage and the coating process of a kind of lithium-ion electric core anode and cathode slurry, particularly one can To be effectively improved slurry dispersion rate, stability and the method for coated face density uniformity.The present invention is applied to lithium ion battery Manufacture field, is to determine the important step that lithium ion battery concordance is good and bad.
Background technology
At present, lithium ion battery has been applied in a lot of aspects of life, little to portable type electronic product, electronic work Tool, arrives greatly electric vehicle, large-sized power power supply and energy storage field and is all using lithium ion battery.Particularly in traffic work When tool, electrical source of power and energy storage field use lithium ion battery, it is typically all big for several battery core serial or parallel connections composition Use after type battery modules, this just concordance to all battery cores have the highest requirement.In the manufacture process of lithium-ion electric core, Determine that the conforming very important factor of battery core is exactly the concordance control of positive/negative plate, and the dispersion of anode and cathode slurry In effect, stability and coating process, the fluctuation of pole coating surface density controls the conforming most important thing of electrode slice just.Remove Outside this, if the production cycle of battery can be shortened, accelerate production efficiency, the manufacturing enterprise of lithium-ion electric core will be made in the market Occupy bigger competitive advantage.
The shortcoming of prior art:
(1) homogenate of existing lithium-ion electric core both positive and negative polarity is typically all and uses stirring to add scattered method, dispersion effect Can be different because of the difference of capacity of equipment, and Homogenization time is longer, causes power consumption big, the production cycle is long.
(2) slurry is during transfer or storage, the most all uses stirring to suppress the deterioration of Stability of Slurry, but During volume production, amount of slurry causes the most greatly coating duration long, and slurry its character under simple stirring still can occur in time Change thus have influence on the stability control of coated face density.
(3) in coating process, either spraying or roller coat, the non-Newtonian fluid slurry of relative quiescent is in the mistake of film forming Border effect in journey and unstability, cause the difference existing on hydrodynamics in the middle part of the border of coating film forming and film, thus The surface density distribution making coating film forming there are differences, and eventually has influence on the concordance of battery core performance.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of side improving slurry dispersion stabilization and coating homogeneity Method, by adding vibration in homogenization process, thus reduces Homogenization time；By increasing vibration in the transfer tank of slurry, improve The stability of slurry storage and homogeneity；By increasing vibration when coating, improve the distributing homogeneity of coated face density.
The technical scheme is that and be achieved in that:
A kind of method improving slurry dispersion stabilization and coating homogeneity, respectively in homogenization process, in storing process With use vibrating device in coating process.
Further, in homogenization process, vibrating device is arranged on homogenate tank body or stretches into anode sizing agent or negative pole slurry In material；In storing process, vibrating device is arranged on slurry storage tank, transfer tank body or stretches into anode sizing agent or cathode size In；In coating process, vibrating device is arranged on coater head or stretches in the slurry being coated with stock chest.
Further, the mode of vibration of described vibrating device include rotary and centrifugal type, piston reciprocating type, piston impact formula, Electromagnetically vibrating or pneumatic vibration formula, the mode of vibration of the vibrating device in homogenization process, storing process or coating process is identical Or it is different.
Further, it is 10Hz-10MHz that described vibrating device produces vibration frequency range, and power density scope is 0.1w/ cm2-10w/cm2。
Further, described anode sizing agent includes positive electrode and positive pole solvent；Described positive electrode includes positive-active Material, positive conductive agent and positive electrode binder；Described positive electrode active materials can be all of known lithium ion battery just Pole material, it is preferred that described positive electrode active materials be the one in cobalt acid lithium, LiMn2O4, ternary material and LiFePO 4 or Two or more；Described positive pole solvent is the volatilizable liquid H having mobility2O or N-Methyl pyrrolidone (NMP).
Further, positive electrode active materials accounts for the 80wt%-98wt% of positive electrode, and positive electrode binder accounts for positive electrode 1wt%-10wt%, positive conductive agent accounts for the 1wt%-10wt% of positive electrode；The solid content of described anode sizing agent is 40wt% ～90wt%.
Further, described cathode size includes negative material and negative pole solvent；Described negative material includes negative electrode active Material, cathode conductive agent and negative electrode binder；Described negative active core-shell material can be the negative of all of known lithium ion battery Pole material, it is preferred that described negative active core-shell material is Delanium, native graphite, carbonaceous mesophase spherules, hard carbon, soft carbon, metatitanic acid Lithium, silicon-carbon, one or more in silicon stannum alloy；Described negative pole solvent is the volatilizable liquid H having mobility2O or N- Methyl pyrrolidone (NMP).
Further, negative active core-shell material accounts for the 80wt%-99wt% of negative material, and cathode conductive agent accounts for negative material 0wt%-10wt%, negative electrode binder accounts for the 1wt%-10wt% of negative material；The solid content of described cathode size is 35wt%- 60wt%.
Relative to prior art, the present invention is had the advantages that
Homogenate tank inside or tank body increase vibrating device, controls frequency and the power of vibration, coordinate and stir and dispersion Oar, can effectively shorten Homogenization time on the premise of ensureing slurry scattering effect, not only save manufacturing expense but also shorten battery core Manufacturing cycle.It addition, install vibrating device on transfer tank, coating apparatus, the uniformity of coated face density can be significantly improved And the time dependent stability of surface density in coating process, thus improve the concordance of battery core performance.
Accompanying drawing explanation
Fig. 1 is to prepare anode sizing agent memory density change curve by the method for the embodiment of the present invention 3 and comparative example 3.
Fig. 2 is to prepare cathode size memory density change curve by the method for the embodiment of the present invention 4 and comparative example 4.
Fig. 3 is sampling figure in the method coating process by the embodiment of the present invention 5,6 and comparative example 5,6.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with specific embodiments with comparative example the present invention is elaborated.
Embodiment 1:
The present embodiment is the method for positive pole homogenate, comprises the steps:
By positive electrode active materials 70kg, remaining material addition presses positive electrode active materials: conductive agent: binding agent=97:1:2 (weight ratio) ratio, puts in the DHL type double-planet power mixer that Guangzhou good luck machinery plant produces, and is filled by electric and magnetic oscillation Putting and be fixed on homogenate tank body, add NMP, solid content controls to be 75wt%, opens revolution 15rpm, rotation 2500rpm, electric and magnetic oscillation The frequency configuration of device is 9KHz, and power density is set to 0.3w/cm2.Slurry form reaches to meet coating and requires (viscosity 6000 ± 1000cps, fineness 25≤μm) till the time used be 2.5h.
Embodiment 2:
The present embodiment is the method for negative pole homogenate, comprises the steps:
By negative active core-shell material 20kg, remaining material addition presses negative active core-shell material: conductive agent: binding agent=95:1:4 (weight ratio) adds, and puts in the DHL type double-planet power mixer that Guangzhou good luck machinery plant produces, and is filled by electric and magnetic oscillation Put and be fixed on homogenate tank body, add H2O, solid content controls to be 45wt%, opens revolution 10rpm, rotation 2000rpm, electric and magnetic oscillation The frequency configuration of device is 12KHz, and power density is set to 0.32w/cm2.Slurry form reaches to meet coating and requires (viscosity 3000 ± 1000cps, fineness 30≤μm) till the time used be 4.5h.
Embodiment 3:
The present embodiment is the method for anode sizing agent storage, comprises the steps:
The slurry being homogenized by positive pole in embodiment 1 is placed in transfer tank, and electromagnetic oscillation device is fixed on transfer tank Body, controlling stirring is 5rpm, and electromagnetic oscillation device frequency is 5KHz, and power density is set to 0.1w/cm2.Every 4h detects slurry The density on surface, variation tendency is as it is shown in figure 1, the variable density after 24h is 0.11g/cm3。
Embodiment 4:
The present embodiment is that cathode size stores method, comprises the steps:
The slurry being homogenized by negative pole in embodiment 1 is placed in transfer tank, and electromagnetic oscillation device is fixed on transfer tank Body, controlling stirring is 5rpm, and electromagnetic oscillation device frequency is 5KHz, and power density is set to 0.1w/cm2.Every 4h detects slurry The density on surface, variation tendency is as in figure 2 it is shown, the variable density after 24h is 0.06g/cm3。
Embodiment 5:
The present embodiment is positive pole coating process, comprises the steps:
Positive pole is homogenized the slurry in embodiment 1 and carries out transfer type roller coat coating, electromagnetic oscillation device is fixed on storing Trench bottom, controls the stirring rod in stock chest and carries out the stirring of 60 times/min, and the frequency of vibration controlling electromagnetic oscillation device is 20KHz, power density is 0.12w/cm2.Target density is 20.80mg/cm2, every 50 carry out a surface density detection, sampling Such as Fig. 3, it is 7.0686cm that each sheet takes 25 areas2Sequin, the computing formula of surface density is: surface density=(little Disk gross weight-sequin foil weight)/sequin area.The average of statistics surface density and standard deviation, result is as shown in table 1.
Embodiment 6:
The present embodiment is negative pole coating process, comprises the steps:
Negative pole is homogenized the slurry in embodiment 1 and carries out transfer type roller coat coating, electromagnetic oscillation device is fixed on storing Trench bottom, controls the stirring rod in stock chest and carries out the stirring of 60 times/min, and the frequency of vibration controlling electromagnetic oscillation device is 20KHz, power density is 0.12w/cm2.Target areal density is 10.50mg/cm2, every 50 carry out a surface density detection, take Sample such as Fig. 3, it is 7.0686cm that each sheet takes 25 areas2Sequin, the computing formula of surface density is: surface density= (sequin gross weight-sequin foil weight)/sequin area.The average of statistics surface density and standard deviation, result is as shown in table 2.
Comparative example 1:
This comparative example is positive pole homogenization process, comprises the steps:
By positive electrode active materials 70kg, remaining material addition presses positive electrode active materials: conductive agent: binding agent=97:1:2 (weight ratio) ratio, puts in the DHL type double-planet power mixer that Guangzhou good luck machinery plant produces, adds NMP, Gu containing control It is made as 75wt%, opens revolution 15rpm, rotation 2500rpm.Slurry form reach to meet coating require (viscosity 6000 ± 1000cps, fineness 25≤μm) till the time used be 7h.
Comparative example 2:
This comparative example is negative pole homogenization process, comprises the steps:
By negative active core-shell material 20kg, remaining material addition presses negative active core-shell material: conductive agent: binding agent=95:1:4 (weight ratio) ratio, puts in the DHL type double-planet power mixer that Guangzhou good luck machinery plant produces, adds H2O, Gu containing control It is made as 45wt%, opens revolution 10rpm, rotation 2000rpm.Slurry form reach to meet coating require (viscosity 3000 ± 1000cps, fineness 30≤μm) till the time used be 10.5h.
Comparative example 3:
This comparative example is that anode sizing agent stores method, comprises the steps:
The slurry being homogenized by positive pole in comparative example 1 is placed in transfer tank, controls stirring for 5rpm.Every 4h detects slurry table The density in face, variation tendency is as it is shown in figure 1, the variable density after 24h is 0.21g/cm3。
Comparative example 4:
This comparative example is that cathode size stores method, comprises the steps:
The slurry being homogenized by negative pole in comparative example 1 is placed in transfer tank, controls stirring for 5rpm.Every 4h detects slurry table The density in face, variation tendency is as in figure 2 it is shown, the variable density after 24h is 0.12g/cm3。
Comparative example 5:
This comparative example is positive pole coating process, comprises the steps:
Positive pole being homogenized the slurry in embodiment 1 and carries out transfer type roller coat coating, the stirring rod controlled in stock chest is carried out The stirring of 60 times/min.Target areal density is 20.80mg/cm2, every 50 carry out a surface density detection, sample such as Fig. 3, often Taking 25 areas on individual sheet is 7.0686cm2Sequin, the computing formula of surface density is: surface density=(sequin gross weight- Sequin foil weight)/sequin area.The average of statistics surface density and standard deviation, result is as shown in table 1.
Comparative example 6:
This comparative example is negative pole coating process, comprises the steps:
Negative pole being homogenized the slurry in embodiment 1 and carries out transfer type roller coat coating, the stirring rod controlled in stock chest is carried out The stirring of 60 times/min.Target areal density is 10.50mg/cm2, every 50 carry out a surface density detection, sample such as Fig. 3, often Taking 25 areas on individual sheet is 7.0686cm2Sequin, the computing formula of surface density is: surface density=(sequin gross weight- Sequin foil weight)/sequin area.The average of statistics surface density and standard deviation, result is as shown in table 2.
Table 1 is average and the standard deviation that the method positive pole by the embodiment of the present invention 5 and comparative example 5 is coated with density below.
Table 1
Table 2 is average and the standard deviation that the method negative pole by the embodiment of the present invention 6 and comparative example 6 is coated with density below.
Table 2
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (8)

1. the method improving slurry dispersion stabilization and coating homogeneity, it is characterised in that: respectively in homogenization process, deposit Vibrating device is used during storage and in coating process.
Raising slurry dispersion stabilization the most according to claim 1 and the method for coating homogeneity, it is characterised in that: even During slurry, vibrating device is arranged on homogenate tank body or stretches in anode sizing agent or cathode size；In storing process, will shake Dynamic device is arranged on slurry storage tank, transfer tank body or stretches in anode sizing agent or cathode size；In coating process, will vibration Device is arranged on coater head or stretches in the slurry being coated with stock chest.
Raising slurry dispersion stabilization the most according to claim 1 and 2 and the method for coating homogeneity, it is characterised in that: The mode of vibration of described vibrating device includes rotary and centrifugal type, piston reciprocating type, piston impact formula, Electromagnetically vibrating or pneumatic shakes Dynamic formula, the mode of vibration of the vibrating device in homogenization process, storing process or coating process is identical or different.
Raising slurry dispersion stabilization the most according to claim 3 and the method for coating homogeneity, it is characterised in that: described It is 10Hz-10MHz that vibrating device produces vibration frequency range, and power density scope is 0.1w/cm2-10w/cm2。
Raising slurry dispersion stabilization the most according to claim 2 and the method for coating homogeneity, it is characterised in that: described Anode sizing agent includes positive electrode and positive pole solvent；Described positive electrode includes positive electrode active materials, positive conductive agent and positive pole Binding agent；Described positive electrode active materials be in cobalt acid lithium, LiMn2O4, ternary material and LiFePO 4 one or both with On；Described positive pole solvent is H2O or N-Methyl pyrrolidone (NMP).
Raising slurry dispersion stabilization the most according to claim 5 and the method for coating homogeneity, it is characterised in that: positive pole Active material accounts for the 80wt%-98wt% of positive electrode, and positive electrode binder accounts for the 1wt%-10wt% of positive electrode, positive conductive Agent accounts for the 1wt%-10wt% of positive electrode；The solid content of described anode sizing agent is 40wt%～90wt%.
Raising slurry dispersion stabilization the most according to claim 2 and the method for coating homogeneity, it is characterised in that: described Cathode size includes negative material and negative pole solvent；Described negative material includes negative active core-shell material, cathode conductive agent and negative pole Binding agent；Described negative active core-shell material is Delanium, native graphite, carbonaceous mesophase spherules, hard carbon, soft carbon, lithium titanate, silicon Carbon, one or more in silicon stannum alloy；Described negative pole solvent is H2O or N-Methyl pyrrolidone (NMP).
Raising slurry dispersion stabilization the most according to claim 7 and the method for coating homogeneity, it is characterised in that: negative pole Active material accounts for the 80wt%-99wt% of negative material, and cathode conductive agent accounts for the 0wt%-10wt% of negative material, and negative pole bonds Agent accounts for the 1wt%-10wt% of negative material；The solid content of described cathode size is 35wt%-60wt%.
CN201610786254.XA 2016-08-31 2016-08-31 A kind of method improving slurry dispersion stabilization and coating homogeneity Pending CN106299372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610786254.XA CN106299372A (en) 2016-08-31 2016-08-31 A kind of method improving slurry dispersion stabilization and coating homogeneity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610786254.XA CN106299372A (en) 2016-08-31 2016-08-31 A kind of method improving slurry dispersion stabilization and coating homogeneity

Publications (1)

Publication Number Publication Date
CN106299372A true CN106299372A (en) 2017-01-04

Family

ID=57673012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610786254.XA Pending CN106299372A (en) 2016-08-31 2016-08-31 A kind of method improving slurry dispersion stabilization and coating homogeneity

Country Status (1)

Country Link
CN (1) CN106299372A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107655790A (en) * 2017-08-18 2018-02-02 多氟多（焦作）新能源科技有限公司 The measuring method of the uniformity of cell size
CN108400287A (en) * 2018-02-23 2018-08-14 安徽益佳通电池有限公司 The method that lithium ion battery electrode sizing agent is prepared using vibration-mechanical agitation combination
CN108923025A (en) * 2018-06-12 2018-11-30 北京英耐时新能源科技有限公司 A kind of preparation process of efficient pulp of lithium ion battery
CN109142149A (en) * 2018-09-04 2019-01-04 陕西煤业化工技术研究院有限责任公司 A method of detection battery slurry dispersion stabilization
CN112038547A (en) * 2019-06-03 2020-12-04 河北金力新能源科技股份有限公司 Ceramic coating slurry without dispersant, preparation method thereof, lithium battery diaphragm and lithium battery
CN112103462A (en) * 2020-09-03 2020-12-18 江西省中子能源有限公司 Improved operation method for electrode slurry drawing of lithium ion battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615667A (en) * 2008-06-26 2009-12-30 上海比亚迪有限公司 A kind of preparation method of battery pole piece and preparation facilities
CN203379836U (en) * 2013-06-03 2014-01-08 深圳市沃特玛电池有限公司 Stirring device with ultrasonic vibration plates
CN104590784A (en) * 2013-10-31 2015-05-06 无锡华臻新能源科技有限公司 Sedimentation preventing device for slurry in hopper of lithium ion battery coating machine
CN104587877A (en) * 2013-10-31 2015-05-06 无锡华臻新能源科技有限公司 Ultrasonic stirring apparatus for lithium ion battery electrode slurry

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615667A (en) * 2008-06-26 2009-12-30 上海比亚迪有限公司 A kind of preparation method of battery pole piece and preparation facilities
CN203379836U (en) * 2013-06-03 2014-01-08 深圳市沃特玛电池有限公司 Stirring device with ultrasonic vibration plates
CN104590784A (en) * 2013-10-31 2015-05-06 无锡华臻新能源科技有限公司 Sedimentation preventing device for slurry in hopper of lithium ion battery coating machine
CN104587877A (en) * 2013-10-31 2015-05-06 无锡华臻新能源科技有限公司 Ultrasonic stirring apparatus for lithium ion battery electrode slurry

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107655790A (en) * 2017-08-18 2018-02-02 多氟多（焦作）新能源科技有限公司 The measuring method of the uniformity of cell size
CN108400287A (en) * 2018-02-23 2018-08-14 安徽益佳通电池有限公司 The method that lithium ion battery electrode sizing agent is prepared using vibration-mechanical agitation combination
CN108923025A (en) * 2018-06-12 2018-11-30 北京英耐时新能源科技有限公司 A kind of preparation process of efficient pulp of lithium ion battery
CN108923025B (en) * 2018-06-12 2020-10-23 北京英耐时新能源科技有限公司 Efficient preparation process of lithium ion battery slurry
CN109142149A (en) * 2018-09-04 2019-01-04 陕西煤业化工技术研究院有限责任公司 A method of detection battery slurry dispersion stabilization
CN109142149B (en) * 2018-09-04 2022-04-19 陕西煤业化工技术研究院有限责任公司 Method for detecting dispersion stability of slurry for battery
CN112038547A (en) * 2019-06-03 2020-12-04 河北金力新能源科技股份有限公司 Ceramic coating slurry without dispersant, preparation method thereof, lithium battery diaphragm and lithium battery
CN112103462A (en) * 2020-09-03 2020-12-18 江西省中子能源有限公司 Improved operation method for electrode slurry drawing of lithium ion battery
CN112103462B (en) * 2020-09-03 2021-06-29 江西省中子能源有限公司 Improved operation method for electrode slurry drawing of lithium ion battery

Similar Documents

Publication Publication Date Title
CN106299372A (en) A kind of method improving slurry dispersion stabilization and coating homogeneity
Hawley et al. Electrode manufacturing for lithium-ion batteries—Analysis of current and next generation processing
CN105742611B (en) A kind of lithium ion battery negative material, preparation method and lithium ion battery
CN104795541B (en) Lithium-ion battery negative electrode slurry preparation method
CN106654177A (en) Method for preparing battery capacitor composite electrode by dry method
JP7270539B2 (en) Method and apparatus for manufacturing electrodes for energy storage devices
CN106601994B (en) Negative electrode, preparation method thereof and low-temperature lithium ion battery
CN106558681B (en) Manufacture the method for electrode laminated body and the method for manufacture all-solid-state battery
CN108923025A (en) A kind of preparation process of efficient pulp of lithium ion battery
CN107611375A (en) A kind of preparation method of lithium ion battery anode glue size
CN102284406A (en) Method for pre-coating foil of lithium battery and device thereof
CN111697225A (en) Lithium iron phosphate anode slurry for lithium ion battery, preparation method of lithium iron phosphate anode slurry and anode plate
WO2023046027A1 (en) Lithium ion battery electrode and preparation method therefor and lithium ion battery
CN113422006B (en) Positive pole piece, preparation method thereof and lithium ion battery
CN109904389A (en) The preparation and appraisal procedure of lithium ion battery anode slurry
CN108400287A (en) The method that lithium ion battery electrode sizing agent is prepared using vibration-mechanical agitation combination
CN109817986A (en) A kind of preparation method of the lithium ion battery based on three-dimensional netted copper current collector
CN112670445A (en) Lithium ion battery cathode, preparation method thereof and lithium ion battery
CN103971952A (en) Method for preparing carbon film
CN110212184A (en) A kind of prelithiation method of carbon negative electrode material of lithium ion cell
CN113013547A (en) Lithium battery composite diaphragm and preparation method thereof
CN108172750A (en) The preparation method of graphite negative electrode of lithium ion battery highly viscous slurry
CN111146443A (en) Zinc electrode material for zinc battery and preparation method thereof
US20200212433A1 (en) Utilization of Reduced Graphene Oxide for High Capacity Lithium Ion Battery
CN114824190B (en) Composite positive electrode material 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
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170104

WD01 Invention patent application deemed withdrawn after publication