CN104638231A - Preparation method of anode slurry of high-energy nickel based secondary battery - Google Patents
Preparation method of anode slurry of high-energy nickel based secondary battery Download PDFInfo
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- CN104638231A CN104638231A CN201510083836.7A CN201510083836A CN104638231A CN 104638231 A CN104638231 A CN 104638231A CN 201510083836 A CN201510083836 A CN 201510083836A CN 104638231 A CN104638231 A CN 104638231A
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- blender
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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
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to a preparation method of anode slurry of a high-energy nickel based secondary battery. According to the preparation method of the anode slurry, nickel hydroxide, polytetrafluoroethylene emulsion and other raw materials are added in a step-by-step manner, the materials can be stirred and dispersed in binders favorably, the caking phenomenon can be effectively overcome and the consistence of the slurry in each batch is improved.
Description
Technical field
The present invention relates to the technical field of Ni-based secondary cell, particularly relate to the manufacture method of the Ni-based anode of secondary battery slurry of a kind of high energy.
Background technology
Along with the development in electric automobile and energy storage field, the performance of chemical power source is had higher requirement, Ni-based high-energy secondary battery because have that energy density is high, power output is high, the advantage such as long service life and environmental protection, receive showing great attention to of market, its market share improves constantly, and has vast potential for future development.
In the middle of the production process of battery, batching is one of committed step.Blending process is mixed according to a certain percentage the various components in slurry, just with is uniformly coated with on a current collector after being mixed with slurry, thus ensure the consistency of pole plate.The CCP of batching is, the kind of mixing time and speed, jitter time and speed, electrode material and consumption; In current industrial production, do not adopt effective ways to control the consistency of every barrel of slurry, this shows that the distribution of the routine used at present requires further improvement.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method of Ni-based high-energy secondary battery anode sizing agent, effectively can improve the consistency of each batch of anode sizing agent, solve the problem in background technology.
For achieving the above object, the present invention adopts following technical scheme:
A manufacture method for Ni-based high-energy secondary battery anode sizing agent, to make one ton of described slurry for benchmark, comprises the following steps:
A. prepare adhesive, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 1.5%-3%;
B. described adhesive is poured in blender, start the frequency stirring that blender encloses with 550-650 per minute;
C. to start after blender within 1-10 minute, cobalt protoxide is added blender, the frequency of enclosing with 750-850 per minute, 6-7m/s discrete lines speed, stir 1-1.5 hour;
D. hickelous nydroxide is added blender with the amount of each 10-15 kilogram, add rear stirring at every turn and within 20-25 minute, feed in raw material again, until after adding last defective material next time, the shovel end, once, in the frequency continuing to enclose with 550-650 per minute, 7-8m/s discrete lines speed, stirs 1.5 hours;
E. add ptfe emulsion, continue the frequency of enclosing with 550-650 per minute, 6-7m/s discrete lines speed, stir 0.5 hour, obtain slurry finished product; The weight ratio of wherein said adhesive, cobalt protoxide, ptfe emulsion and hickelous nydroxide is: adhesive 0.05-0.1 part, cobalt protoxide 0.25-0.5 part, ptfe emulsion 0.15 part, hickelous nydroxide 100 parts.
As preferably, described step a comprises, described HPMC powder and distilled water are weighed for subsequent use by weight 1.5-3:100, distilled water is heated to 60-70 DEG C, then hot water is poured into blender, when water temperature drops to 45-50 DEG C, add HPMC powder, the frequency of enclosing with 650-750 per minute stirs 2 hours, shelve more than 8 hours for subsequent use.
As preferably, check in time in whipping process and process the dry powder remained at the bottom of blender bucket and on bucket wall and the slurry do not stirred evenly, keeping stirring to nothing caking.
The manufacture method of anode sizing agent of the present invention, substep adds the raw material such as hickelous nydroxide and ptfe emulsion, be conducive to material dispersed with stirring in a binder, effectively can solve the insurmountable caking phenomenon of equipment, improve the consistency of each batch of slurry.
Embodiment
Below in conjunction with embodiment 1-3, technical scheme of the present invention is described further, but is not limited to this explanation.
Embodiment 1:
A kind of Ni-based high-energy secondary battery anode sizing agent, raw material is formed and their weight ratio is: 0.05 part, adhesive, cobalt protoxide 0.5 part, ptfe emulsion 0.15 part, hickelous nydroxide 100 parts.Wherein, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 3%.
The manufacture method of described Ni-based high-energy secondary battery anode sizing agent, to make one ton of described slurry for benchmark, comprises the following steps:
A) described adhesive is prepared: weigh for subsequent use by described HPMC powder and distilled water by weight 3:100, distilled water is heated to 65 DEG C, then hot water is poured into blender, HPMC powder is added when water temperature drops to 45 DEG C, with per minute 700 circle frequency stir 2 hours, shelve more than 8 hours for subsequent use;
B) described adhesive is poured in blender, start blender and stir with the frequency of 550 circles per minute;
C) start after blender within 1 minute, cobalt protoxide is added blender gradually, and with the frequency of 750 circles per minute, 6m/s discrete lines speed, stirs 1.5 hours;
D) hickelous nydroxide is added blender with the amount of each 12 kilograms, add rear stirring at every turn and within 20 minutes, feed in raw material again, until after adding last defective material next time, the shovel end, once, continuing with the frequency of 650 circles per minute, 7m/s discrete lines speed, stirs 1.5 hours;
E) add ptfe emulsion, continue with the frequency of 550 circles per minute, 6m/s discrete lines speed, stirs 0.5 hour, obtains slurry finished product.
Check in time in whipping process and process the dry powder remained at the bottom of blender bucket and on bucket wall and the slurry do not stirred evenly, keeping stirring to nothing caking.
By the anode sizing agent obtained by this method, stable homogeneous, shelves half an hour still without precipitation, and sieves without difficulty, and when being coated with without deposit clumps phenomenon, obtained pole piece color and luster is homogeneous, without dark particle, without dry linting.
Embodiment 2:
A kind of Ni-based high-energy secondary battery anode sizing agent, raw material is formed and their weight ratio is: 0.1 part, adhesive, cobalt protoxide 0.35 part, ptfe emulsion 0.15 part, hickelous nydroxide 100 parts.Wherein, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 1.5%.
The manufacture method of described Ni-based high-energy secondary battery anode sizing agent, to make one ton of described slurry for benchmark, comprises the following steps:
A) described adhesive is prepared: weigh for subsequent use by described HPMC powder and distilled water by weight 1.5:100, distilled water is heated to 60 DEG C, then hot water is poured into blender, HPMC powder is added when water temperature drops to 47 DEG C, with per minute 650 circle frequency stir 2 hours, shelve more than 8 hours for subsequent use;
B) described adhesive is poured in blender, start blender and stir with the frequency of 600 circles per minute;
C) start after blender within 10 minutes, gradually cobalt protoxide is added blender, with the frequency of 850 circles per minute, 6.28m/s discrete lines speed, stirs 1 hour;
D) hickelous nydroxide is added blender with the amount of each 15 kilograms, add rear stirring at every turn and within 22 minutes, feed in raw material again, until after adding last defective material next time, the shovel end, once, continuing with the frequency of 600 circles per minute, 8m/s discrete lines speed, stirs 1.5 hours;
E) add ptfe emulsion, continue with the frequency of 600 circles per minute, 6.28m/s discrete lines speed, stirs 0.5 hour, obtains slurry finished product.
Check in time in whipping process and process the dry powder remained at the bottom of blender bucket and on bucket wall and the slurry do not stirred evenly, keeping stirring to nothing caking.
By the anode sizing agent obtained by this method, stable homogeneous, shelves half an hour still without precipitation, and sieves without difficulty, and when being coated with without deposit clumps phenomenon, obtained pole piece color and luster is homogeneous, without dark particle, without dry linting.
Embodiment 3:
A kind of Ni-based high-energy secondary battery anode sizing agent, raw material is formed and their weight ratio is: 0.08 part, adhesive, cobalt protoxide 0.25 part, ptfe emulsion 0.15 part, hickelous nydroxide 100 parts.Wherein, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 2%.
The manufacture method of described Ni-based high-energy secondary battery anode sizing agent, to make one ton of described slurry for benchmark, comprises the following steps:
A) described adhesive is prepared: weigh for subsequent use by described HPMC powder and distilled water by weight 2:100, distilled water is heated to 70 DEG C, then hot water is poured into blender, HPMC powder is added when water temperature drops to 50 DEG C, with per minute 750 circle frequency stir 2 hours, shelve more than 8 hours for subsequent use;
B) described adhesive is poured in blender, start blender and stir with the frequency of 650 circles per minute;
C) to start after blender within 7 minutes, gradually cobalt protoxide is added blender, with the frequency of 800 circles per minute,
7m/s discrete lines speed, stirs 1.25 hours;
D) hickelous nydroxide is added blender with the amount of each 10 kilograms, add rear stirring at every turn and within 25 minutes, feed in raw material again, until after adding last defective material next time, the shovel end, once, continuing with the frequency of 550 circles per minute, 7.5m/s discrete lines speed, stirs 1.5 hours;
E) add ptfe emulsion, continue with the frequency of 650 circles per minute, 7m/s discrete lines speed, stirs 0.5 hour, obtains slurry finished product.
Check in time in whipping process and process the dry powder remained at the bottom of blender bucket and on bucket wall and the slurry do not stirred evenly, keeping stirring to nothing caking.
By the anode sizing agent obtained by this method, stable homogeneous, shelves half an hour still without precipitation, and sieves without difficulty, and when being coated with without deposit clumps phenomenon, obtained pole piece color and luster is homogeneous, without dark particle, without dry linting.
Claims (3)
1. a manufacture method for Ni-based high-energy secondary battery anode sizing agent, to make one ton of described slurry for benchmark, comprises the following steps:
A. prepare adhesive, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 1.5%-3%;
B. described adhesive is poured in blender, start the frequency stirring that blender encloses with 550-650 per minute;
C. to start after blender within 1-10 minute, cobalt protoxide is added blender, the frequency of enclosing with 750-850 per minute, 6-7m/s discrete lines speed, stir 1 ~ 1.5 hour;
D. hickelous nydroxide is added blender with the amount of each 10 ~ 15 kilograms, add rear stirring at every turn and within 20 ~ 25 minutes, feed in raw material again, until after adding last defective material next time, the shovel end, once, in the frequency continuing to enclose with 550-650 per minute, 7-8m/s discrete lines speed, stirs 1.5 hours;
E. add ptfe emulsion, continue the frequency of enclosing with 550-650 per minute, 6-7m/s discrete lines speed, stir 0.5 hour, obtain slurry finished product; Wherein, the weight ratio of described adhesive, cobalt protoxide, ptfe emulsion and hickelous nydroxide is: adhesive 0.05-0.1 part, cobalt protoxide 0.25-0.5 part, ptfe emulsion 0.15 part, hickelous nydroxide 100 parts.
2. the manufacture method of a kind of Ni-based high-energy secondary battery anode sizing agent as claimed in claim 1, it is characterized in that, described step a comprises, described HPMC powder and distilled water are weighed for subsequent use by weight 1.5-3:100, distilled water is heated to 60-70 DEG C, then pours hot water into blender, when water temperature drops to 45-50 DEG C, add HPMC powder, the frequency of enclosing with 650-750 per minute stirs 2 hours, shelve more than 8 hours for subsequent use.
3. the manufacture method of a kind of Ni-based high-energy secondary battery anode sizing agent as claimed in claim 1, it is characterized in that, check in time in whipping process and process the dry powder remained at the bottom of blender bucket and on bucket wall and the slurry do not stirred evenly, keeping stirring to nothing caking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083836.7A CN104638231A (en) | 2015-02-16 | 2015-02-16 | Preparation method of anode slurry of high-energy nickel based secondary battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510083836.7A CN104638231A (en) | 2015-02-16 | 2015-02-16 | Preparation method of anode slurry of high-energy nickel based secondary battery |
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| CN104638231A true CN104638231A (en) | 2015-05-20 |
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| CN201510083836.7A Pending CN104638231A (en) | 2015-02-16 | 2015-02-16 | Preparation method of anode slurry of high-energy nickel based secondary battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598469A (en) * | 2018-03-27 | 2018-09-28 | 新乡市太行新能源科技有限公司 | A kind of wide temperature range type Ni-H cell anode plate material and preparation method thereof |
| CN109786676A (en) * | 2019-01-31 | 2019-05-21 | 浙江霖润新能源科技有限公司 | A kind of production method of nickel-hydrogen high-power anode of secondary battery slurry |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564349A (en) * | 2004-03-26 | 2005-01-12 | 蔡成信 | Method of mfg. positive and negative plate electrode buckle alkali battery |
| CN101459237A (en) * | 2007-12-10 | 2009-06-17 | 深圳市比克电池有限公司 | Battery cathode slurry, preparation and battery produced by the cathode slurry |
| CN101577331A (en) * | 2009-06-09 | 2009-11-11 | 蔡铭湛 | Method for manufacturing nickel electrode of alkaline accumulator |
| CN101740779A (en) * | 2008-11-12 | 2010-06-16 | 北京有色金属研究总院 | Nickel-hydrogen power battery anode and preparation process thereof |
-
2015
- 2015-02-16 CN CN201510083836.7A patent/CN104638231A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564349A (en) * | 2004-03-26 | 2005-01-12 | 蔡成信 | Method of mfg. positive and negative plate electrode buckle alkali battery |
| CN101459237A (en) * | 2007-12-10 | 2009-06-17 | 深圳市比克电池有限公司 | Battery cathode slurry, preparation and battery produced by the cathode slurry |
| CN101740779A (en) * | 2008-11-12 | 2010-06-16 | 北京有色金属研究总院 | Nickel-hydrogen power battery anode and preparation process thereof |
| CN101577331A (en) * | 2009-06-09 | 2009-11-11 | 蔡铭湛 | Method for manufacturing nickel electrode of alkaline accumulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598469A (en) * | 2018-03-27 | 2018-09-28 | 新乡市太行新能源科技有限公司 | A kind of wide temperature range type Ni-H cell anode plate material and preparation method thereof |
| CN108598469B (en) * | 2018-03-27 | 2020-09-18 | 新乡市太行新能源科技有限公司 | Wide-temperature range type positive plate material of nickel-hydrogen battery and preparation method thereof |
| CN109786676A (en) * | 2019-01-31 | 2019-05-21 | 浙江霖润新能源科技有限公司 | A kind of production method of nickel-hydrogen high-power anode of secondary battery slurry |
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Application publication date: 20150520 |
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