CN104733701A - Nickel-base high-energy secondary battery negative electrode slurry - Google Patents
Nickel-base high-energy secondary battery negative electrode slurry Download PDFInfo
- Publication number
- CN104733701A CN104733701A CN201510083839.0A CN201510083839A CN104733701A CN 104733701 A CN104733701 A CN 104733701A CN 201510083839 A CN201510083839 A CN 201510083839A CN 104733701 A CN104733701 A CN 104733701A
- Authority
- CN
- China
- Prior art keywords
- negative electrode
- nickel
- secondary battery
- electrode slurry
- adhesive
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a nickel-base high-energy secondary battery negative electrode slurry. The nickel-base high-energy secondary battery negative electrode slurry comprises the following components by weight percent: 90-95% of a negative electrode slurry main material and 5-10% of a negative electrode auxiliary, wherein the negative electrode slurry main material comprises the following raw materials by weight percent: 85.5-92.5 of hydrogen storage alloy, 1-3% of activated carbon, 1.5% of PTFE and 4-12% of an adhesive; the adhesive is an aqueous solution of HPMC powder, the mass percent of the adhesive is 1.5-3%; the raw materials of the negative electrode auxiliary are formed by uniformly mixing one or more of manganese dioxide, carbon monofluoride, cobaltous oxide, nickel oxide, nickel powder, graphene and carbon nano tube. According to the negative electrode slurry, a battery negative plate with good rate discharge performance, long cycle life and high specific capacity can be prepared.
Description
Technical field
The present invention relates to the making of Ni-based secondary cell, particularly relate to the Ni-based secondary battery negative pole slurry of a kind of high energy.
Background technology
Ni-based high-energy secondary battery is novel environment friendly secondary cell, and its development receives extensive concern at battery industry.Negative pole is the important component part of Ni-based high-energy secondary battery, make Ni-based high-energy secondary battery possess multiplying power discharging property good, have extended cycle life, the performance such as specific capacity is high, the negative pole of Ni-based high-energy secondary battery will be made to meet above performance requirement.
Summary of the invention
The object of the present invention is to provide a kind of Ni-based high-energy secondary battery cathode size, can prepare multiplying power discharging property good, have extended cycle life, cell negative plate that specific capacity is high, solve the problem in background technology.
For achieving the above object, the present invention adopts following technical scheme: a kind of Ni-based high-energy secondary battery cathode size, comprise cathode size major ingredient and negative pole auxiliary agent, and their percentage by weight is: cathode size major ingredient 90%-95%, negative pole auxiliary agent 5%-10%; Wherein, described cathode size major ingredient raw material form and percentage by weight be: hydrogen bearing alloy 85.5%-92.5%, active carbon 1%-3%, PTFE1.5%, adhesive 4%-12%; Wherein, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 1.5%-3%; Wherein, the raw material of described negative pole auxiliary agent is that one or more Homogeneous phase mixing in manganese dioxide, fluorographite, cobalt oxide, nickel oxide, nickel powder, Graphene, carbon nano-tube form.
Cathode size of the present invention, solid content is high, and the negative plate prepared with this slurry has following advantage: energy density is large, and energy density can reach 32mAh/cm
2; Power density is large, and its power density can reach 0.16W/cm
2; Discharge voltage under 20 DEG C of multiplying powers is mild, and discharge capacity can reach 96.58% of rated capacity; Have extended cycle life, after 500 circulation discharge tests, its discharge capacity still can maintain 99.54% of rated capacity.
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 cathode size, comprise cathode size major ingredient and negative pole auxiliary agent, and their percentage by weight is: cathode size major ingredient 90%, negative pole auxiliary agent 10%; Wherein, the raw material of described cathode size major ingredient forms and percentage by weight is: hydrogen bearing alloy 85.5%, active carbon 1%, PTFE(ptfe emulsion) 1.5%, adhesive 12%; Wherein, described adhesive is HPMC(hydroxypropyl methylcellulose) aqueous solution of powder, its mass percent is 3%; Wherein, the raw material of described negative pole auxiliary agent is manganese dioxide.
The preparation method of described Ni-based high-energy secondary battery cathode size, to make one ton of described slurry for benchmark, comprises the following steps:
A). configure described adhesive: 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, starts blender and stir with the frequency of 550 circles per minute;
C). start after blender in 7 minutes, point several times add described negative pole auxiliary agent, and then start blender with the frequency of 900 circles per minute, the discrete lines speed of 7m/s, stirs 1.2 hours.
D). then described hydrogen storing alloy powder is added blender with the amount of each 12 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, continue with the frequency of 750 circles per minute, the discrete lines speed of 7m/s, stirs 1.5 hours again.
E). add described PTFE and active carbon, continue with the frequency of 550 circles per minute, the discrete lines speed of 4.5m/s, 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.
The preparation method of described cathode size, substep adds hydrogen bearing alloy and negative pole auxiliary agent, is conducive to material dispersed with stirring in a binder, effectively can solves the insurmountable caking phenomenon of equipment, improve the consistency of each batch of slurry.
With the square Ni-based high-energy secondary battery of 200Ah prepared by the cathode size of this method preparation, detect through experiment and find that it possesses good multiplying power discharging property, have extended cycle life, normal temperature retention of charge is strong, 90.67% of rated capacity can be reached, high temperature retention of charge is strong, can reach 76.38% of rated capacity, for shelf-stable.
Embodiment 2:
A kind of Ni-based high-energy secondary battery cathode size, comprise cathode size major ingredient and negative pole auxiliary agent, and their percentage by weight is: cathode size major ingredient 95%, negative pole auxiliary agent 5%; Wherein, the raw material of described cathode size major ingredient forms and percentage by weight is: hydrogen bearing alloy 87.5%, active carbon 3%, PTFE(ptfe emulsion) 1.5%, adhesive 8%; Wherein, described adhesive is HPMC(hydroxypropyl methylcellulose) aqueous solution of powder, its mass percent is 1.5%; Wherein, the raw material of described negative pole auxiliary agent is the homogeneous mixture of fluorographite, cobalt oxide, nickel oxide, nickel powder.
The manufacture method of described Ni-based high-energy secondary battery cathode size, to make one ton of described slurry for benchmark, comprises the following steps:
A). configure described adhesive: 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, starts blender and stir with the frequency of 600 circles per minute;
C). start after blender in 10 minutes, point several times add described negative pole auxiliary agent, and then start blender with the frequency of 850 circles per minute, the discrete lines speed of 7.5m/s, stirs 1 hour.
D). then described hydrogen storing alloy powder is added blender with the amount of each 10 kilograms, add rear stirring to feed in raw material again for 20 minutes at every turn next time, until after adding last defective material, the shovel end, once, continue with the frequency of 700 circles per minute again, the discrete lines speed of 6.5m/s, stirs 1.5 hours.
E). add described PTFE and active carbon, continue with the frequency of 650 circles per minute, the discrete lines speed of 5.5m/s, stirs 0.5 hour, obtains slurry finished product.
Check in time in whipping process and process residual doing at the bottom of blender bucket and on bucket wall
Powder and the slurry do not stirred evenly, keep stirring to nothing caking.
With the square Ni-based high-energy secondary battery of 200Ah prepared by the cathode size of this method preparation, detect through experiment and find that it possesses good multiplying power discharging property, have extended cycle life, normal temperature retention of charge is strong, 90.6% of rated capacity can be reached, high temperature retention of charge is strong, can reach 75.38% of rated capacity, for shelf-stable.
Embodiment 3:
A kind of Ni-based high-energy secondary battery cathode size, comprise cathode size major ingredient and negative pole auxiliary agent, and their percentage by weight is: cathode size major ingredient 93%, negative pole auxiliary agent 7%; Wherein, the raw material of described cathode size major ingredient forms and percentage by weight is: hydrogen bearing alloy 92.5%, active carbon 2%, PTFE(ptfe emulsion) 1.5%, adhesive 4%; Wherein, described adhesive is HPMC(hydroxypropyl methylcellulose) aqueous solution of powder, its mass percent is 2%; Wherein, the raw material of described negative pole auxiliary agent is the homogeneous mixture of manganese dioxide, fluorographite, cobalt oxide, nickel oxide, nickel powder, Graphene, carbon nano-tube.
The manufacture method of described Ni-based high-energy secondary battery cathode size, to make one ton of described slurry for benchmark, comprises the following steps:
A). configure described adhesive: 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, starts blender and stir with the frequency of 650 circles per minute;
C). start after blender in 1 minute, evenly add described negative pole auxiliary agent, then start blender with the frequency of 950 circles per minute, the discrete lines speed of 8m/s, stirs 1.5 hours.
D). then described hydrogen storing alloy powder is added blender with the amount of each 15 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, continue with the frequency of 800 circles per minute, the discrete lines speed of 6m/s, stirs 1.5 hours again.
E). add described PTFE and active carbon, continue with the frequency of 600 circles per minute, the discrete lines speed of 5m/s, 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.
With the square Ni-based high-energy secondary battery of 200Ah prepared by the cathode size of this method preparation, detect through experiment and find that it possesses good multiplying power discharging property, have extended cycle life, normal temperature retention of charge is strong, 90.3% of rated capacity can be reached, high temperature retention of charge is strong, can reach 76.3% of rated capacity, for shelf-stable.
Claims (1)
1. a Ni-based high-energy secondary battery cathode size, is characterized in that, comprise cathode size major ingredient and negative pole auxiliary agent, and their percentage by weight is: cathode size major ingredient 90%-95%, negative pole auxiliary agent 5%-10%; Wherein, described cathode size major ingredient raw material form and percentage by weight be: hydrogen bearing alloy 85.5%-92.5%, active carbon 1%-3%, PTFE1.5%, adhesive 4%-12%; Wherein, described adhesive is the aqueous solution of HPMC powder, and its mass percent is 1.5%-3%; Wherein, the raw material of described negative pole auxiliary agent is that one or more Homogeneous phase mixing in manganese dioxide, fluorographite, cobalt oxide, nickel oxide, nickel powder, Graphene, carbon nano-tube form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083839.0A CN104733701A (en) | 2015-02-16 | 2015-02-16 | Nickel-base high-energy secondary battery negative electrode slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083839.0A CN104733701A (en) | 2015-02-16 | 2015-02-16 | Nickel-base high-energy secondary battery negative electrode slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104733701A true CN104733701A (en) | 2015-06-24 |
Family
ID=53457366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510083839.0A Pending CN104733701A (en) | 2015-02-16 | 2015-02-16 | Nickel-base high-energy secondary battery negative electrode slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104733701A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370229A (en) * | 2020-03-17 | 2020-07-03 | 宁波市江北九方和荣电气有限公司 | Improved structure of metallized safety film explosion-proof capacitor |
| CN112436133A (en) * | 2020-11-23 | 2021-03-02 | 浙江霖润新能源科技有限公司 | Wide-temperature nickel-metal hydride battery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290244A (en) * | 2011-08-09 | 2011-12-21 | 淄博国利新电源科技有限公司 | Preparation method of asymmetrical high-power capacitor battery |
| CN102354616A (en) * | 2011-09-30 | 2012-02-15 | 天津国泰之光新材料技术研究院有限公司 | Negative plate slurry of high-energy nickel/carbon super capacitor |
| CN102522209A (en) * | 2011-09-30 | 2012-06-27 | 天津国泰之光新材料技术研究院有限公司 | Preparation method of cathode negative plate slurry of high-energy nickel-carbon supercapacitor |
-
2015
- 2015-02-16 CN CN201510083839.0A patent/CN104733701A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290244A (en) * | 2011-08-09 | 2011-12-21 | 淄博国利新电源科技有限公司 | Preparation method of asymmetrical high-power capacitor battery |
| CN102354616A (en) * | 2011-09-30 | 2012-02-15 | 天津国泰之光新材料技术研究院有限公司 | Negative plate slurry of high-energy nickel/carbon super capacitor |
| CN102522209A (en) * | 2011-09-30 | 2012-06-27 | 天津国泰之光新材料技术研究院有限公司 | Preparation method of cathode negative plate slurry of high-energy nickel-carbon supercapacitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370229A (en) * | 2020-03-17 | 2020-07-03 | 宁波市江北九方和荣电气有限公司 | Improved structure of metallized safety film explosion-proof capacitor |
| CN112436133A (en) * | 2020-11-23 | 2021-03-02 | 浙江霖润新能源科技有限公司 | Wide-temperature nickel-metal hydride battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105932229B (en) | A kind of preparation method of high capacity lithium ion cells cathode piece | |
| CN100568592C (en) | A kind of water-base cement, use the manufacture method of lithium battery and this lithium battery of this water-base cement | |
| JP2019216101A5 (en) | ||
| CN101393985B (en) | Negative pole material preparation method | |
| CN105140573A (en) | Maintenance-free lead-acid storage battery and preparation method thereof | |
| CN102664256A (en) | Anode lead plaster of power lead-acid storage battery polar plate | |
| CN109244413A (en) | A kind of sulphur anode composite material and preparation method thereof based on multiporous biological matter carbon | |
| CN103971952B (en) | A kind of preparation method of carbon film | |
| CN104064368B (en) | Preparation method of Ni/C negative pole slurry and piece for super-capacitor battery | |
| CN101916861A (en) | Cathode lead plaster capable of prolonging fast charge-discharge circulating life of battery and preparation method thereof | |
| CN105161770A (en) | Lead plaster additive for lead-acid storage battery, and preparation method and application therefor | |
| CN107195885A (en) | A kind of carbon nanotube polymer lithium ion battery and preparation method thereof | |
| CN104332591B (en) | A kind of lithium ion battery anode glue size and preparation technology thereof | |
| CN102332562A (en) | Method for preparing negative electrode slurry of lithium titanate battery | |
| CN104733701A (en) | Nickel-base high-energy secondary battery negative electrode slurry | |
| CN109686979B (en) | Silicon-carbon anode material slurry and preparation method thereof | |
| CN102709549A (en) | Tubular lead-acid battery positive pole squeezing cream and preparation method thereof | |
| CN105591111B (en) | A kind of cell size of lithium ion battery and preparation method thereof, electrode and battery | |
| CN108232195B (en) | Pole piece forming method of water-based ion battery based on polytetrafluoroethylene binder | |
| CN104218225A (en) | Submicron graphene/lithium-rich lithium-nickel-cobalt-manganese oxide compound and preparation method thereof | |
| CN104617279A (en) | Nanometer carbon-coated lead for producing lead-carbon electrode, and preparation and usage methods thereof | |
| CN104638231A (en) | Preparation method of anode slurry of high-energy nickel based secondary battery | |
| CN103400705A (en) | Preparation method for slurry of super capacitor | |
| CN104617282A (en) | Manufacturing method of nickel-based high-energy secondary battery negative electrode slurry | |
| CN107658445B (en) | Negative electrode material of ternary lithium ion battery with high capacity and long service life |
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: 20150624 |