CN110364736A - A kind of cathode of lithium battery slurry and preparation method thereof - Google Patents
A kind of cathode of lithium battery slurry and preparation method thereof Download PDFInfo
- Publication number
- CN110364736A CN110364736A CN201910629777.7A CN201910629777A CN110364736A CN 110364736 A CN110364736 A CN 110364736A CN 201910629777 A CN201910629777 A CN 201910629777A CN 110364736 A CN110364736 A CN 110364736A
- Authority
- CN
- China
- Prior art keywords
- parts
- cathode
- lithium battery
- carbon
- battery slurry
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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 present invention relates to energy storage field of new energy technologies, and in particular to a kind of cathode of lithium battery slurry and preparation method thereof.Main technical schemes are as follows: 40-50 parts of negative electrode active material, 0.2-1.5 parts of conductive agent, 10-20 parts of size, 1.5-2.5 parts of binder, 40-45 parts of second level water, 0.5-1.5 parts of stabilizer, 0.5-1.2 parts of dispersing agent, 2-6 parts of thickener.The present invention selects a kind of medium that can be infiltrated carbon material and be dissolved in water-size reduction carbon and carbon composite to be formed by particle when dispersing in water；And carry out temperature control in homogenization process and guarantee in homogenization process to be run under permanent low-temperature condition, to reduce the polymerization on carbon or carbon composite molecular level.
Description
Technical field
The present invention relates to a kind of cathode of lithium battery slurries and preparation method thereof, belong to energy storage field of new energy technologies.
Background technique
Commercialization cathode of lithium battery slurry is mainly based on water system carbon material at present, and slurry preparation includes solid and solid
A series of processes such as it is mutually mixed, dissolves, dispersing between body, solid and liquid, liquid and liquid, however carbon material surface is dredged
Water causes its in homogenate whipping process that cannot carry out complete wetting with water, so that slurry is easy to agglomerate into dispersion process
Little particle, furthermore slurry is easy to happen sedimentation in long-term preservation or there is local non-uniform phenomenon, and above-mentioned factor is unfavorable for
Lithium battery cyclical stability in practical applications and safety.
In addition, in slurry dispersion process, whipping temp is excessively high to be will lead to weak interaction between carbon atom and is destroyed, cloth
Bright movement aggravation, makes carbon atom reunite.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention provides a kind of cathode of lithium battery slurry and preparation method thereof.This
The technical solution of invention is as follows: a kind of cathode of lithium battery slurry, and the raw material by preparing number as follows is prepared:
40-50 parts of negative electrode active material
0.2-1.5 parts of conductive agent
10-20 parts of size
1.5-2.5 parts of binder
40-45 parts of second level water
0.5-1.5 parts of stabilizer
0.5-1.2 parts of dispersing agent
2-6 parts of thickener.
Further, the cathode of lithium battery slurry, the raw material by preparing number as follows are prepared:
43 parts of negative electrode active material
1.2 parts of conductive agent
10 parts of size
2 parts of binder
40 parts of second level water
0.5 part of stabilizer
1 part of dispersing agent
2.2 parts of thickener.
A kind of preparation method of cathode of lithium battery slurry is claimed in the present invention simultaneously:
(1) negative electrode active material and conductive agent are subjected to low speed ball milling or stirring premixes, done time in advance as 1h-4h, then
Size is added and mixes to obtain mixed liquor I again, incorporation time is 1h-3h again；
(2) binder and second level water is taken to be stirred, until solid powder completely disappears to obtain mixed liquor II；
(3) mixed liquor I, mixed liquor II are put into stirring container and stir 1-8h, sequentially added in whipping process stabilizer,
Dispersing agent, thickener；
(4) second level water is added and slurry viscosity is transferred to 1500~4500MpaS, vacuumize and starched to get to cathode of lithium battery
Material.
Further: step (1) negative electrode active material is that artificial graphite, natural graphite, hard carbon, mesocarbon are micro-
Ball, transition metal nitride, transition metal oxide carbon composite, lithium titanate carbon composite material, silicon-carbon or tin carbon composite wood
One of material or a variety of mixtures；
Step (1) conductive agent be one of conductive black, electrically conductive graphite, carbon nanotube, carbon fiber, graphene or
A variety of mixtures；
Step (1) the ball milling speed 50-100r/min, agitating mode are double planetary stirring, stirring rate 100-
300r/min；
Step (1) size is toluene, dimethylbenzene, benzene, naphthalene, chloroform, ethyl alcohol, ethylene glycol, acetone, acetonitrile, N- first
One of base pyrrolidones or a variety of mixtures.
Further: step (2) binder is sodium cellulose glycolate, polyacrylic acid, polyvinyl alcohol, polytetrafluoroethyl-ne
One of alkene, butadiene-styrene rubber or numerous compositions, whipping temp are 30 DEG C -60 DEG C, stirring rate 200r/min-600r/
min。
It is further: step (3) stabilizer be one of polyacrylic acid, polymethylacrylic acid, polyallylamine or
A variety of mixtures；
Step (3) dispersing agent is one of sodium chloride, magnesium chloride, calcium chloride or a variety of；
Step (3) thickener is methylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, carboxymethyl fibre
Tie up one of plain sodium or a variety of mixtures；
The chamber wall of step (3) described stirring container is sandwich-type, and when operation is passed through 7-15 DEG C of chilled water, flow 20-
80L/min, agitating mode are double planetary stirring, revolving speed 100-1500r/min.
Further: step (4) vacuum degree vacuumized is adjusted to -0.08~-0.1Mpa.
Beneficial effects of the present invention are as follows:
(1) carbon material is hydrophobic is well-known, due to this, institute compatible with water that be difficult carbon material of the surface tension of water
Using when using water to disperse carbon material as dispersing agent, carbon material is easy to occur to reunite, and (namely hydrone cannot be completely into
To the inside of carbon particle), the present invention selects a kind of medium that can be infiltrated carbon material but also be dissolved in water-size to reduce carbon and carbon
Particle is formed by when composite material disperses in water；
(2) since negative electrode active material powder size is nanoscale, during homogenate, high-speed stirred can make slurry
Temperature rises (internal confusion degree increase), increases collision probability between particle and particle, causes reunion between particle to increase, no
Conducive to dispersion process progress, the present invention is homogenized temperature in whipping process and controls, and guarantees that in homogenization process be in permanent low temperature shape
It is run under state, to reduce the polymerization on carbon or carbon composite molecular level.
Specific embodiment
The present invention is described further combined with specific embodiments below, if without specified otherwise, the raw materials used in the present invention
And equipment is the ordinary skill in the art.
Embodiment 1
(1) by 40 grams of negative electrode active material (artificial graphite) and conductive agent (electrically conductive graphite) 0.2 gram of progress ball milling premix, make
Ball mill container is agate material, and mixing revolving speed is 50r/min, Ball-milling Time 1h, and 10 grams of size (toluene are then added
Solution) 1h is stirred, stirring rate 100r/min obtains mixed liquor I；
(2) it takes 1.5 grams of binders (butadiene-styrene rubber and sodium cellulose glycolate) and 33 grams of second level water is put into stirring container
It is stirred under 30 DEG C of constant temperature, mixing speed 200r/min, until powder completely disappears, obtains mixed liquor II；
(3) mixed liquor I, mixed liquor II are poured into an interlayer in the container of chilled water respectively, opens blender, it will
Chilled-water flow is adjusted to 20L/min, and chilled water temperature is adjusted to 7 DEG C, revolving speed 100r/min, continuously stirs 1h, shuts down and is added 0.5
Gram stabilizer (polyacrylic acid), 100r/min continue to stir 1h, shut down and 0.5 gram of dispersing agent are added (concentration is that 3M/L NaCl is molten
Liquid), 100r/min continues to stir 1h, shuts down and 2 grams of thickeners (hydroxyethyl cellulose) are added, and 100r/min continues to stir 1h；
(4) 7g second level water is added and slurry viscosity is adjusted to 1500MpaS, be finally adjusted to device vacuum degree-
0.08Mpa keeps 20min, obtains cathode of lithium battery slurry.
Embodiment 2
(1) it by 45 grams of negative electrode active material (nitrided iron) and conductive agent (carbon fiber) 0.8 gram of progress ball milling premix, uses
Ball mill container is agate material, and mixing revolving speed is 100r/min, Ball-milling Time 4h, and 14.5 grams of size (acetonitriles are then added
With the mixture of N-Methyl pyrrolidone) 3h is stirred, stirring rate 300r/min obtains mixed liquor I；
(2) it takes 2.04 grams of binders (butadiene-styrene rubber and sodium cellulose glycolate) and 37 grams of second level water is put into stirring container
It is stirred under 60 DEG C of constant temperature, mixing speed 600r/min, until powder completely disappears, obtains mixed liquor II；
(3) mixed liquor I, mixed liquor II are poured into an interlayer in the container of chilled water respectively, opens blender, it will
Chilled-water flow is adjusted to 80L/min, and chilled water temperature is adjusted to 15 DEG C, revolving speed 1500r/min, continuously stirs 8h, shuts down and is added
0.9 gram of stabilizer (polyacrylic acid, polymethylacrylic acid, polyallylamine mixture), 600r/min continues to stir 8h, shut down plus
Enter 0.9 gram of dispersing agent (concentration is 3M/L magnesium chloride solution), 600r/min continues to stir 8h, shuts down and 4.3 grams of thickener (first are added
Base cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, sodium carboxymethylcellulose mixture), 600r/min continues to stir
Mix 8h；
(4) 6g second level water is added and slurry viscosity is adjusted to 4500MpaS, be finally adjusted to device vacuum degree-
0.1Mpa keeps 20min, obtains cathode of lithium battery slurry.
Embodiment 3
(1) by 50 grams of negative electrode active material silicon-carbon compound (silicone content 10%) and conductive agent (carbon nanotube, carbon fiber
The mixture of dimension, graphene) 1.5 grams carry out ball milling premix, the ball mill container used is agate material, and mixing revolving speed is 100r/
Min, Ball-milling Time 4h, be then added 20 grams of sizes (toluene, dimethylbenzene, benzene, naphthalene, chloroform, ethyl alcohol mixed liquor) stirring
3h, stirring rate 300r/min obtain mixed liquor I；
(2) it takes 2.5 grams of binders (mixture of polyvinyl alcohol, polytetrafluoroethylene (PTFE)) and 38 grams of second level water is put into stirring container
In be stirred under 60 DEG C of constant temperature, mixing speed 600r/min obtains mixed liquor II until powder completely disappears；
(3) mixed liquor I, mixed liquor II are poured into an interlayer in the container of chilled water respectively, opens blender, it will
Chilled-water flow is adjusted to 80L/min, and chilled water temperature is adjusted to 15 DEG C, revolving speed 1500r/min, continuously stirs 8h, shuts down and is added
1.5 grams of stabilizers (polymethylacrylic acid), 600r/min continue to stir 8h, shut down and 1.2 grams of dispersing agent (concentration 3M/L are added
NaCl solution), 600r/min continues to stir 8h, shuts down and 6 grams of thickeners (methylcellulose) are added, and 600r/min continues to stir
8h；
(4) 7g second level water is added and slurry viscosity is adjusted to 4500MpaS, be finally adjusted to device vacuum degree-
0.1Mpa keeps 20min, obtains cathode of lithium battery slurry.
Above-described embodiment is only intended to citing and explanation of the invention, and is not intended to limit the invention to described
In scope of embodiments.Furthermore it will be appreciated by persons skilled in the art that the present invention is not limited to the above embodiment, according to this hair
Bright introduction can also make more kinds of variants and modifications, these variants and modifications all fall within present invention model claimed
In enclosing.
Claims (7)
1. a kind of cathode of lithium battery slurry, which is characterized in that the raw material by preparing number as follows is prepared:
40-50 parts of negative electrode active material
0.2-1.5 parts of conductive agent
10-20 parts of size
1.5-2.5 parts of binder
40-45 parts of second level water
0.5-1.5 parts of stabilizer
0.5-1.2 parts of dispersing agent
2-6 parts of thickener.
2. cathode of lithium battery slurry as described in claim 1, which is characterized in that by prepare as follows number raw material prepare and
At:
43 parts of negative electrode active material
1.2 parts of conductive agent
10 parts of size
2 parts of binder
40 parts of second level water
0.5 part of stabilizer
1 part of dispersing agent
2.2 parts of thickener.
3. a kind of preparation method of cathode of lithium battery slurry as described in claim 1, it is characterised in that:
(1) negative electrode active material and conductive agent are subjected to low speed ball milling or stirring premixes, done time in advance as 1h-4h, then addition
Size mixes to obtain mixed liquor I again, and incorporation time is 1h-3h again；
(2) binder and second level water is taken to be stirred, until solid powder completely disappears to obtain mixed liquor II；
(3) mixed liquor I, mixed liquor II are put into stirring container and stir 1-8h, stabilizer, dispersion are sequentially added in whipping process
Agent, thickener；
(4) second level water is added and slurry viscosity is transferred to 1500~4500MpaS, vacuumize to get cathode of lithium battery slurry is arrived.
4. the preparation method of cathode of lithium battery slurry as claimed in claim 3, it is characterised in that:
Step (1) negative electrode active material is artificial graphite, natural graphite, hard carbon, carbonaceous mesophase spherules, transitional metal nitride
One of object, transition metal oxide carbon composite, lithium titanate carbon composite material, silicon-carbon or tin-carbon composite are a variety of
Mixture；
Step (1) conductive agent is one of conductive black, electrically conductive graphite, carbon nanotube, carbon fiber, graphene or a variety of
Mixture；
Step (1) the ball milling speed 50-100r/min, agitating mode are double planetary stirring, stirring rate 100-300r/
min；
Step (1) size is toluene, dimethylbenzene, benzene, naphthalene, chloroform, ethyl alcohol, ethylene glycol, acetone, acetonitrile, N- methyl pyrrole
One of pyrrolidone or a variety of mixtures.
5. the preparation method of cathode of lithium battery slurry as claimed in claim 3, it is characterised in that:
Step (2) binder is sodium cellulose glycolate, in polyacrylic acid, polyvinyl alcohol, polytetrafluoroethylene (PTFE), butadiene-styrene rubber
One or more compositions, whipping temp be 30 DEG C -60 DEG C, stirring rate 200r/min-600r/min.
6. the preparation method of cathode of lithium battery slurry as claimed in claim 3, it is characterised in that:
Step (3) stabilizer is one of polyacrylic acid, polymethylacrylic acid, polyallylamine or a variety of mixtures；
Step (3) dispersing agent is one of sodium chloride, magnesium chloride, calcium chloride or a variety of；
Step (3) thickener is methylcellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, carboxymethyl cellulose
One of sodium or a variety of mixtures；
The chamber wall of step (3) described stirring container is sandwich-type, and when operation is passed through 7-15 DEG C of chilled water, flow 20-80L/
Min, agitating mode are double planetary stirring, revolving speed 100-1500r/min.
7. the preparation method of cathode of lithium battery slurry as claimed in claim 3, it is characterised in that:
Step (4) vacuum degree vacuumized is adjusted to -0.08~-0.1Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629777.7A CN110364736A (en) | 2019-07-12 | 2019-07-12 | A kind of cathode of lithium battery slurry and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629777.7A CN110364736A (en) | 2019-07-12 | 2019-07-12 | A kind of cathode of lithium battery slurry and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110364736A true CN110364736A (en) | 2019-10-22 |
Family
ID=68218998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910629777.7A Pending CN110364736A (en) | 2019-07-12 | 2019-07-12 | A kind of cathode of lithium battery slurry and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110364736A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697272A (en) * | 2020-05-22 | 2020-09-22 | 天津池源科技有限公司 | Lithium battery production process |
| CN112151756A (en) * | 2020-09-14 | 2020-12-29 | 江苏塔菲尔新能源科技股份有限公司 | Negative plate and battery |
| CN112366318A (en) * | 2020-11-02 | 2021-02-12 | 横店集团东磁股份有限公司 | Negative electrode slurry and preparation method and application thereof |
| CN112885987A (en) * | 2021-01-29 | 2021-06-01 | 芜湖天弋能源科技有限公司 | Preparation method of lithium battery negative electrode slurry |
| CN113097457A (en) * | 2021-03-26 | 2021-07-09 | 中国电子科技集团公司第十八研究所 | High-stability fluorinated carbohydrate slurry and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101207193A (en) * | 2006-12-21 | 2008-06-25 | 比亚迪股份有限公司 | Method for preparation of electrode slurry |
| CN102136567A (en) * | 2011-02-14 | 2011-07-27 | 山东建筑大学 | Preparing method of tin-nickel-carbon composite cathode material of lithium ion battery |
| CN103346318A (en) * | 2013-07-01 | 2013-10-09 | 彩虹集团公司 | Li-ion positive electrode slurry and preparation method thereof |
| CN103715430A (en) * | 2013-12-23 | 2014-04-09 | 天津大学 | Three-dimensional graphene reticular structure loaded carbon-coated tin nanometer material as well as preparation method and application thereof |
| CN104362289A (en) * | 2014-09-26 | 2015-02-18 | 珠海市讯达科技有限公司 | Lithium ion battery pole piece provided with inorganic isolating layers, battery comprising the pole piece and preparation method for pole piece |
| CN106784609A (en) * | 2017-03-10 | 2017-05-31 | 江西佳沃新能源有限公司 | A kind of cathode of lithium battery blank preparation technicses |
| CN107240674A (en) * | 2017-05-31 | 2017-10-10 | 深圳市沃特玛电池有限公司 | A kind of preparation method of cathode of lithium battery slurry |
| CN107256969A (en) * | 2017-06-13 | 2017-10-17 | 中国电子新能源（武汉）研究院有限责任公司 | Sodium-ion battery cathode size and preparation method thereof |
| CN107785546A (en) * | 2016-11-07 | 2018-03-09 | 万向二三股份公司 | A kind of preparation method of lithium iron phosphate battery negative electrode mixed slurry |
-
2019
- 2019-07-12 CN CN201910629777.7A patent/CN110364736A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101207193A (en) * | 2006-12-21 | 2008-06-25 | 比亚迪股份有限公司 | Method for preparation of electrode slurry |
| CN102136567A (en) * | 2011-02-14 | 2011-07-27 | 山东建筑大学 | Preparing method of tin-nickel-carbon composite cathode material of lithium ion battery |
| CN103346318A (en) * | 2013-07-01 | 2013-10-09 | 彩虹集团公司 | Li-ion positive electrode slurry and preparation method thereof |
| CN103715430A (en) * | 2013-12-23 | 2014-04-09 | 天津大学 | Three-dimensional graphene reticular structure loaded carbon-coated tin nanometer material as well as preparation method and application thereof |
| CN104362289A (en) * | 2014-09-26 | 2015-02-18 | 珠海市讯达科技有限公司 | Lithium ion battery pole piece provided with inorganic isolating layers, battery comprising the pole piece and preparation method for pole piece |
| CN107785546A (en) * | 2016-11-07 | 2018-03-09 | 万向二三股份公司 | A kind of preparation method of lithium iron phosphate battery negative electrode mixed slurry |
| CN106784609A (en) * | 2017-03-10 | 2017-05-31 | 江西佳沃新能源有限公司 | A kind of cathode of lithium battery blank preparation technicses |
| CN107240674A (en) * | 2017-05-31 | 2017-10-10 | 深圳市沃特玛电池有限公司 | A kind of preparation method of cathode of lithium battery slurry |
| CN107256969A (en) * | 2017-06-13 | 2017-10-17 | 中国电子新能源（武汉）研究院有限责任公司 | Sodium-ion battery cathode size and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697272A (en) * | 2020-05-22 | 2020-09-22 | 天津池源科技有限公司 | Lithium battery production process |
| CN112151756A (en) * | 2020-09-14 | 2020-12-29 | 江苏塔菲尔新能源科技股份有限公司 | Negative plate and battery |
| CN112366318A (en) * | 2020-11-02 | 2021-02-12 | 横店集团东磁股份有限公司 | Negative electrode slurry and preparation method and application thereof |
| CN112885987A (en) * | 2021-01-29 | 2021-06-01 | 芜湖天弋能源科技有限公司 | Preparation method of lithium battery negative electrode slurry |
| CN113097457A (en) * | 2021-03-26 | 2021-07-09 | 中国电子科技集团公司第十八研究所 | High-stability fluorinated carbohydrate slurry and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110364736A (en) | A kind of cathode of lithium battery slurry and preparation method thereof | |
| CN107293706B (en) | Lithium ion battery negative electrode slurry, rapid preparation method thereof and negative electrode plate thereof | |
| CN103035924B (en) | Anode slurry of high-rate lithium ion battery and fabrication method of anode slurry | |
| WO2017031885A1 (en) | Preparation method for lithium battery negative-electrode slurry | |
| CN107623125A (en) | A kind of lithium ion battery cathode slurry preparation method | |
| CN109301250A (en) | A kind of cathode of lithium battery slurry and its preparation process | |
| CN108155343A (en) | Lithium ion battery pulping process | |
| CN107611375A (en) | A kind of preparation method of lithium ion battery anode glue size | |
| CN109713268A (en) | A kind of preparation method of lithium ion battery silicon-carbon cathode material | |
| CN106340649A (en) | Preparation method of lithium ferric phosphate cathode slurry | |
| CN106784794A (en) | A kind of preparation method of pulp of lithium ion battery | |
| CN107170966A (en) | A kind of power lead acid battery magnetic force and cream technique | |
| CN101980396A (en) | Method for preparing lithium ion battery anode paste | |
| CN107732169A (en) | Lithium battery silicon based anode material and preparation method thereof, GND and lithium battery | |
| CN106848204B (en) | A kind of method for mixing of graphite material at negative | |
| CN109786740A (en) | The preparation method of lithium battery anode slurry | |
| CN102332562A (en) | Method for preparing negative electrode slurry of lithium titanate battery | |
| CN109244464A (en) | A kind of graphene anode sizing agent and efficient controllable method for preparing | |
| CN103035908A (en) | Method for preparing negative electrode plate lead plaster for power type lead acid storage battery | |
| CN108777299A (en) | A kind of lithium ion battery anode glue size | |
| CN103811764B (en) | A kind of preparation method of anode sizing agent | |
| CN106159265B (en) | The preparation method of the anode slurry of lithium iron phosphate battery of containing graphene combined conductive agent | |
| CN108899469A (en) | A kind of lithium ion battery negative material slurry and preparation method thereof | |
| CN106299272A (en) | A kind of preparation method of silica flour doped lithium ion power battery cathode slurry | |
| CN103872288A (en) | Preparation method for lithium ion battery negative electrode slurry |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191022 |
|
| RJ01 | Rejection of invention patent application after publication |