CN102800869A - Anode preparing method of nickel based alkali secondary cell - Google Patents
Anode preparing method of nickel based alkali secondary cell Download PDFInfo
- Publication number
- CN102800869A CN102800869A CN2012103157157A CN201210315715A CN102800869A CN 102800869 A CN102800869 A CN 102800869A CN 2012103157157 A CN2012103157157 A CN 2012103157157A CN 201210315715 A CN201210315715 A CN 201210315715A CN 102800869 A CN102800869 A CN 102800869A
- Authority
- CN
- China
- Prior art keywords
- anode
- raw material
- nickel
- powder
- material powder
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 6
- 239000003513 alkali Substances 0.000 title abstract 2
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 6
- 238000010008 shearing Methods 0.000 claims abstract description 6
- -1 Polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- 239000008367 deionised water Substances 0.000 claims abstract description 5
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 5
- 239000000839 emulsion Substances 0.000 claims abstract description 5
- 239000006260 foam Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 239000002033 PVDF binder Substances 0.000 claims abstract description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 3
- 239000003990 capacitor Substances 0.000 claims abstract description 3
- 239000006258 conductive agent Substances 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910002515 CoAl Inorganic materials 0.000 claims abstract 2
- 239000003245 coal Substances 0.000 claims abstract 2
- 239000013078 crystal Substances 0.000 claims abstract 2
- 238000002360 preparation method Methods 0.000 claims description 12
- 239000011267 electrode slurry Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000007591 painting process Methods 0.000 claims description 4
- 239000007774 positive electrode material Substances 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000010405 anode material Substances 0.000 abstract 2
- 239000002002 slurry Substances 0.000 abstract 2
- 239000006183 anode active material Substances 0.000 abstract 1
- 239000006256 anode slurry Substances 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 235000010981 methylcellulose Nutrition 0.000 abstract 1
- 239000002071 nanotube Substances 0.000 abstract 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses an anode preparing method of a nickel based alkali secondary cell, which comprises the following steps of: 1, preparing an anode raw material, wherein the anode raw material comprises a nano graphite powder conductive agent, a nano tube, yttrium oxide, calcium hydroxide, a powder crystal of a super capacitor material [CoAl(OH)4], a binding agent PVDF (Polyvinylidene Fluoride), and the balance of an anode active material [Ni4Al(OH)10]OH; 2, preparing anode material slurry, transferring the screened anode raw material powder into a stirring machine, respectively sequentially adding deionized water, a PTFE (Polytetrafluoroethylene) emulsion and a CMC (Carboxy Methylated Cellulose) thickening agent into the anode raw material powder, stirring to obtain the anode material slurry; and 3, coating, drying and shearing the anode slurry, intermittently coating, coating on a foam nickel collector in a single-faced or two-faced manner, grinding to form an electrode sheet, and after drying, shearing the electrode sheet with a preset specification. Compared with the other anodes on the market, through trial of a cell factory, the electrode sheet prepared by the invention has the advantages of greatly increasing the cell capacity, remarkably improving discharge property, and effectively prolonging service life.
Description
Technical field
The present invention relates to a kind of anode preparation method, relate in particular to a kind of anode preparation method of nickel-base alkaline secondary cell.
Background technology
Nickel-base alkaline secondary cell comprises metal-hydrogen nickel battery (hereinafter to be referred as Ni-MH battery), ickel-cadmium cell, Hawkins cell, zinc-nickel cell or the like, and they all use nickel hydroxide as positive electrode.Wherein, metal-hydrogen nickel battery is a kind of novel high-energy secondary cell, has high energy density, good overcharging resisting, high current charge-discharge ability, and use cost is low, and premium properties such as sealing easily, memory-less effect and Environmental compatibility be good.Along with the high speed development of electronic product, portable electronics mobile device is widely used.Follow the popularization of electronics mobile device, demand low to the environmental pollution of using in it, the nickel-base alkaline secondary cell that can repeatedly recycle is also increasing; Except the demand to battery capacity uprises, to also having proposed higher requirement in useful life of battery.Therefore pressing for provides a kind of and makes that the nickel-base alkaline secondary cell capacity is big, the positive electrode of long service life.
Summary of the invention
The purpose of this invention is to provide a kind of nickel-base alkaline secondary cell anode preparation method; The nickel-base alkaline secondary cell of positive pole that uses the preparation of this method is owing to have the suitable proportioning of the material and the conductive agent of super capacitor performance in the anodal composition; Its high rate during charging-discharging and the cycle performance under the high current charge-discharge condition thereof are improved greatly, and prolonged useful life.
To achieve these goals, a kind of nickel-base alkaline secondary cell anode preparation method provided by the invention comprises the steps:
Step 1 prepares anodal raw material
Anodal raw-material constituent mass percentage is:
Surplus is positive electrode active materials [Ni
4Al (OH)
10] OH;
The material of said ratio was put into the ball mill ball milling 2-3 hour, mix, sieve, obtain anodal raw material powder with 300 mesh, subsequent use;
Step 2, preparation positive electrode slurry
Anodal raw material powder after sieving is changed in the mixer; Adding accounts for the deionized water of anodal raw material powder gross mass 30-40% successively respectively, the concentration of 10-20% is the PTFE emulsion of 60wt% and the thickener of 5-10% to anodal raw material powder; Add in the vacuum stirring groove, vacuum stirring device rotating speed is set is set to 40r/s, mixing time is set to 30min; Open vacuum pipe valve after stirring is accomplished makes the positive electrode slurry;
Step 3, coating, dry, shearing
Through the painting process at intermittence, single face or double-coated roll and make electrode slice in flakes on the nickel foam collector with above-mentioned anode sizing agent, after the drying, cut into the positive plate of predetermined dimension.
Wherein, binding agent is preferably PVDF described in the step 1.
Wherein, non-nickel metal hydroxides is preferably calcium hydroxide described in the step 1.
Wherein, thickener is preferably the CMC thickener in the step 2.
The positive plate of the present invention's preparation through trying out of battery producer, is compared with other positive pole on the market, and battery capacity greatly improves, and discharge performance significantly improves, and effectively prolonged useful life.
Embodiment
Embodiment one
Prepare anodal raw material
Anodal raw-material quality proportioning is (by mass percentage):
Surplus is positive electrode active materials [Ni
4Al (OH)
10] OH
The material of said ratio was put into the ball mill ball milling 2 hours, mix, sieve, obtain anodal raw material powder with 300 mesh, subsequent use.
Preparation positive electrode slurry
Anodal raw material powder after sieving is changed in the mixer; Adding accounts for the deionized water of anodal raw material powder gross mass 30% successively respectively, 10% concentration is the PTFE emulsion of 60wt% and 5% CMC thickener to anodal raw material powder; Add in the vacuum stirring groove, vacuum stirring device rotating speed is set is set to 40r/s, mixing time is set to 30min; Open vacuum pipe valve after stirring is accomplished makes the positive electrode slurry.
Coating, dry, shearing
Through the painting process at intermittence, single face or double-coated roll and make electrode slice in flakes on the nickel foam collector with above-mentioned anode sizing agent, after the drying, cut into the positive plate of predetermined dimension.
With the nickel-base alkaline secondary cell anode sheet of making, with the nickel-base alkaline secondary cell cathode pole piece, the special-purpose barrier film of polyethylene electrokinetic cell; The potassium hydroxide aqueous solution electrolyte of 5M; Assembling cylindrical electrokinetic cell, is charge-discharge performance test under 1.5V, the 3C condition in discharge cut-off voltage, and (capability retention is not low for battery charging and discharging cycle life; Be 80% o'clock the charge and discharge cycles number of times that discharge capacity is not less than design capacity, as follows.) 403 times.
Embodiment two
Prepare anodal raw material
Anodal raw-material quality proportioning is (by mass percentage):
Surplus is positive electrode active materials [Ni
4Al (OH)
10] OH
The material of said ratio was put into the ball mill ball milling 3 hours, mix, sieve, obtain anodal raw material powder with 300 mesh, subsequent use.
Preparation positive electrode slurry
Anodal raw material powder after sieving is changed in the mixer; Adding accounts for the deionized water of anodal raw material powder gross mass 40% successively respectively, 20% concentration is the PTFE emulsion of 60wt% and 10% CMC thickener to anodal raw material powder; Add in the vacuum stirring groove, vacuum stirring device rotating speed is set is set to 40r/s, mixing time is set to 30min; Open vacuum pipe valve after stirring is accomplished makes the positive electrode slurry.
Coating, dry, shearing
Through the painting process at intermittence, single face or double-coated roll and make electrode slice in flakes on the nickel foam collector with above-mentioned anode sizing agent, after the drying, cut into the positive plate of predetermined dimension.
With the nickel-base alkaline secondary cell anode sheet of making, with the nickel-base alkaline secondary cell cathode pole piece, the special-purpose barrier film of polyethylene electrokinetic cell; The potassium hydroxide aqueous solution electrolyte of 5M; Assembling cylindrical electrokinetic cell, is charge-discharge performance test under 1.5V, the 3C condition in discharge cut-off voltage, and (capability retention is not low for battery charging and discharging cycle life; Be 80% o'clock the charge and discharge cycles number of times that discharge capacity is not less than design capacity, as follows.) 421 times.
The above; It only is preferred embodiment of the present invention; Be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment made, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (4)
1. a nickel-base alkaline secondary cell anode preparation method comprises the steps:
Step 1 prepares anodal raw material
Anodal raw-material constituent mass percentage is:
Nano graphite powder conductive agent 5-8%
CNT 1-3%
Yittrium oxide 1-2%
Non-nickel metal hydroxides 2-4%
Super capacitor material [CoAl (OH)
4] the powder crystal 10-20% of OH
Binding agent 5-10%
Surplus is positive electrode active materials [Ni
4Al (OH)
10] OH;
The material of said ratio was put into the ball mill ball milling 2-3 hour, mix, sieve, obtain anodal raw material powder with 300 mesh, subsequent use;
Step 2, preparation positive electrode slurry
Anodal raw material powder after sieving is changed in the mixer; Adding accounts for the deionized water of anodal raw material powder gross mass 30-40% successively respectively, the concentration of 10-20% is the PTFE emulsion of 60wt% and the thickener of 5-10% to anodal raw material powder; Add in the vacuum stirring groove, vacuum stirring device rotating speed is set is set to 40r/s, mixing time is set to 30min; Open vacuum pipe valve after stirring is accomplished makes the positive electrode slurry;
Step 3, coating, dry, shearing
Through the painting process at intermittence, single face or double-coated roll and make electrode slice in flakes on the nickel foam collector with above-mentioned anode sizing agent, after the drying, cut into the positive plate of predetermined dimension.
2. method according to claim 1 is characterized in that, binding agent described in the step 1 is PVDF.
3. method according to claim 1 is characterized in that, non-nickel metal hydroxides is a calcium hydroxide described in the step 1.
4. method according to claim 1 is characterized in that, thickener is the CMC thickener in the step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103157157A CN102800869A (en) | 2012-08-30 | 2012-08-30 | Anode preparing method of nickel based alkali secondary cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103157157A CN102800869A (en) | 2012-08-30 | 2012-08-30 | Anode preparing method of nickel based alkali secondary cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102800869A true CN102800869A (en) | 2012-11-28 |
Family
ID=47199901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103157157A Pending CN102800869A (en) | 2012-08-30 | 2012-08-30 | Anode preparing method of nickel based alkali secondary cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102800869A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682263A (en) * | 2013-12-11 | 2014-03-26 | 高建军 | Preparation method of positive plate of nickel-base alkaline secondary battery |
| CN111146408A (en) * | 2020-02-11 | 2020-05-12 | 河南创力新能源科技股份有限公司 | Preparation method of iron-nickel battery cathode |
| CN112768694A (en) * | 2021-01-11 | 2021-05-07 | 深圳市豪鹏科技股份有限公司 | Nickel-hydrogen battery positive electrode slurry, nickel-hydrogen battery positive electrode sheet and nickel-hydrogen battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001015106A (en) * | 1998-10-08 | 2001-01-19 | Matsushita Electric Ind Co Ltd | Alkaline battery |
| CN101593834A (en) * | 2009-06-15 | 2009-12-02 | 杭州富池动力能源有限公司 | The nickel positive pole that a kind of zinc-nickel cell is used |
| CN101944606A (en) * | 2010-08-31 | 2011-01-12 | 东南大学 | Super-alkaline secondary battery anode and preparation method thereof |
| CN102544503A (en) * | 2010-12-31 | 2012-07-04 | 杭州新研动力能源有限公司 | Additive for nickel-zinc battery |
-
2012
- 2012-08-30 CN CN2012103157157A patent/CN102800869A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001015106A (en) * | 1998-10-08 | 2001-01-19 | Matsushita Electric Ind Co Ltd | Alkaline battery |
| CN101593834A (en) * | 2009-06-15 | 2009-12-02 | 杭州富池动力能源有限公司 | The nickel positive pole that a kind of zinc-nickel cell is used |
| CN101944606A (en) * | 2010-08-31 | 2011-01-12 | 东南大学 | Super-alkaline secondary battery anode and preparation method thereof |
| CN102544503A (en) * | 2010-12-31 | 2012-07-04 | 杭州新研动力能源有限公司 | Additive for nickel-zinc battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682263A (en) * | 2013-12-11 | 2014-03-26 | 高建军 | Preparation method of positive plate of nickel-base alkaline secondary battery |
| CN111146408A (en) * | 2020-02-11 | 2020-05-12 | 河南创力新能源科技股份有限公司 | Preparation method of iron-nickel battery cathode |
| CN112768694A (en) * | 2021-01-11 | 2021-05-07 | 深圳市豪鹏科技股份有限公司 | Nickel-hydrogen battery positive electrode slurry, nickel-hydrogen battery positive electrode sheet and nickel-hydrogen battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA3035900C (en) | Micro-capsule type silicon-carbon composite negative electrode material and preparing method and use thereof | |
| CN105609745B (en) | A kind of nickelous selenide NiSe2/ graphenes sodium-ion battery composite negative pole material and the preparation method and application thereof | |
| CN101393985B (en) | Negative pole material preparation method | |
| CN110993884B (en) | Lithium ion battery negative electrode slurry, preparation method, negative electrode plate and battery | |
| CN105161676A (en) | Preparation method for lithium iron phosphate cathode slurry | |
| WO2008123143A1 (en) | Method for producing electrode slurry for lithium ion secondary battery | |
| CN105576223B (en) | A kind of tin oxide base negative electrode material and preparation method thereof with high reversible capacity | |
| CN105990567A (en) | Preparation method of prussian blue analogue nano-material and use of prussian blue analogue in sodium-ion battery | |
| CN105161703A (en) | Quintuple layered oxide cathode material for sodium ion battery and preparation method of quintuple layered oxide cathode material | |
| CN105161709A (en) | Preparation method of lithium manganate cathode slurry | |
| CN103094556A (en) | Method for preparing positive electrode slurry of lithium ion battery | |
| CN102629686A (en) | Electrode material of drainage rechargeable and dischargeable lithium ion and aqueous solution rechargeable and dischargeable lithium ion battery | |
| CN104766976A (en) | Lithium ion secondary battery negative pole piece and preparation method thereof | |
| CN101281822A (en) | Inorganic mixed type lithium ion super capacitor | |
| CN103198935B (en) | The preparation method of a kind of graphene film modified spinelle type LiMn2O4 or α type manganese dioxide electrode | |
| CN107394187A (en) | Cathode size of lithium ion battery and preparation method thereof on a kind of production line | |
| CN102522600B (en) | Long-life wide-temperature nickel-hydrogen battery | |
| CN112687951B (en) | Low-temperature-resistant high-voltage type soft package lithium ion battery and preparation method thereof | |
| CN102800869A (en) | Anode preparing method of nickel based alkali secondary cell | |
| CN109301208A (en) | Lead-acid accumulator lead plaster | |
| CN112838213A (en) | Zinc-manganese battery containing modified nano zinc powder and preparation method thereof | |
| CN103647054A (en) | Nickel-based cell anode, its preparation method and nickel-based cell by using anode | |
| CN116230854A (en) | Negative electrode sheet of sodium ion battery and preparation method thereof, sodium ion battery | |
| CN101747571A (en) | Composite binder for cathode of Ni-MH power battery | |
| CN106033810A (en) | A kind of MoS2/graphene composite 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121128 |