CN101165947A - Carbon nanometer composite nickel-hydrogen power battery cathode sheet preparation method and its uses - Google Patents
Carbon nanometer composite nickel-hydrogen power battery cathode sheet preparation method and its uses Download PDFInfo
- Publication number
- CN101165947A CN101165947A CNA2007100302637A CN200710030263A CN101165947A CN 101165947 A CN101165947 A CN 101165947A CN A2007100302637 A CNA2007100302637 A CN A2007100302637A CN 200710030263 A CN200710030263 A CN 200710030263A CN 101165947 A CN101165947 A CN 101165947A
- Authority
- CN
- China
- Prior art keywords
- tube
- carbon
- carbon nano
- pole piece
- nickel
- 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.)
- Granted
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 method comprises: making the mechanical ball milling for the carbon nano-tube treated by mix-acid reflux purification and argon heat-treat and the LANi5 hydrogen storage metal; then adding nickel powder and evenly stirring up them; adding binder (carboxymethyl cellulose) and tetraphene emulsion to make a past form coating; evenly spreading the coating on the foam nickel to get the cathode pole piece; applying the cathode pole piece into carbon nanometer composite nickel-hydrogen battery.
Description
Technical field
The invention belongs to the Ni-MH power cell preparing technical field, be specifically related to a kind of preparation method and application thereof of carbon nanometer composite nickel-hydrogen power battery cathode sheet.
Background technology
Carbon nano-tube is with its distinctive accurate one dimension tubular structure, high electrochemical hydrogen storage capacity, and stronger oxidation resistance, the negative material that can be used as battery is applied in the secondary cell technology of preparing.The nano combined Ni-MH power cell of carbon is to add carbon nano-tube in the cell negative electrode material a kind of novel nickel-hydrogen electrokinetic cell, the high-multiplying power discharge efficient of carbon nano-tube is more superior, Ni-MH battery cycle life under the high power charging-discharging condition is poor, yet after carbon nano-tube joined Ni-MH power cell, can improve the high magnification cyclical stability of Ni-MH power cell, discharge platform voltage and heavy-current discharge performance.Therefore the nano combined Ni-MH power cell of carbon is at capacity, and there is remarkable advantages aspects such as charge-discharge performance and cycle life, have vast potential for future development at electric tool and electric automobile field.
Summary of the invention
First purpose of the present invention provides the preparation method of a kind of cathode pole piece that mixes with carbon nano-tube with higher electrochemical hydrogen storage performance and hydrogen bearing alloy.
Second purpose of the present invention provides this cathode pole piece is used to prepare the compound Ni-MH power cell of carbon nano-tube.
Technical scheme of the present invention is:
1. the making of the nano combined nickel-hydrogen battery negative pole pole piece of carbon:
(1) be 20～40nm carbon nano-tube with diameter, through mixed acid process (volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1～1.5: 2.5～3.5) carry out purifying, and under argon gas atmosphere 700～900 ℃ of heat treatment 2h.
(2) adopt the vacuum ball-milling method to mix carbon nano-tube after above purifying and the heat treatment and LaNi5 hydrogen bearing alloy, concrete operations are with the mixed-powder of carbon nano-tube and hydrogen bearing alloy mechanical ball milling 8h in a vacuum, rotational speed of ball-mill is 430r/min, ratio of grinding media to material is 50: 1, add in the mixed-powder of carbon nano-tube and LaNi5 hydrogen bearing alloy and add binding agent HPMC (carboxymethyl cellulose) after an amount of Ni powder stirs again and an amount of water of SBR (carboxylic styrene butadiene latex) interpolation is modulated into paste coating, the mass ratio of above material is: hydrogen bearing alloy: carbon nano-tube: Ni powder: HPMC: SBR=100: 0.1～1.0: 0.5: 15: 2～3.
(3) will more than the paste coating for preparing be coated in equably on the nickel foam, earlier through drying at room temperature 24h, be pressed into the thickness that needs under the pressure at 11MPa more then, through cutting out, deburring, finally make cathode pole piece.
(4) the cathode pole piece surface that makes is even, and it is of a size of (315-320) mm * (35.4) mm * (0.3) mm, increases weight to be (17.0 ± 0.2) g/ sheet.On the pole piece on the given size, can carry a certain amount of active material, guarantee to be applied to make and also improved its heavy-current discharge performance when battery has high capacity behind the ni-mh sealed battery.
2. the application of the nano combined nickel-hydrogen battery negative pole pole piece of carbon:
The above cathode pole piece of making is applied to make the nano combined Ni-MH power cell of carbon, and the SC type Ni-MH power cell that makes according to SC type battery making flow process has higher capacity, better cyclical stability and better heavy-current discharge performance.
The invention has the beneficial effects as follows:
A certain amount of active material evenly can be carried on the pole piece in the cathode pole piece that makes surface, and assurance is applied to make and has also improved its heavy-current discharge performance when battery has high capacity behind the ni-mh sealed battery.
The nano combined Ni-MH power cell of prepared carbon has high capacity, good high rate during charging-discharging and good cycle life performance.Can be used for fields such as electric tool, electric motor car.
Embodiment
Embodiment 1
With diameter is carbon nano-tube employing mixed acid process (volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1: the 2.8) purifying of 20～40nm, through adding in the negative material after 750 ℃ of heat treatments, prepares cathode pole piece according to above-mentioned preparation method again.Wherein the proportioning of negative material is: hydrogen bearing alloy: carbon nano-tube: Ni powder: HPMC: SBR=100: 1.0: 0.5: 15: 2.5,, again according to the preparation section of SC Ni-MH battery, the SC Ni-MH power cell The performance test results that makes is:
| Test condition | Capacity C (mAh) | Energy W (Wh) | Energy density (Wh/L) | Power P (W) | Specific power (W/kg) | Power density (W/L) | Cycle life | Discharge platform V |
| 0.1C filling 0.2C puts | 3369 | 4.312 | 263.75 | 0.7679 | 12.79 | 46.96 | 80%DOD 589 times | 1.25 |
| 1C fills 5C to be put | 3257.5 | 3.808 | 232.91 | 17.53 | 292.17 | 1072.17 | 70%DOD 130 times | 1.14 |
| 1C fills 10C to be put | 3135 | 3.269 | 200.00 | 31.28 | 521.37 | 1913.4 | 70%DOD 97 times | 1.05 |
Embodiment 2
With diameter is carbon nano-tube employing mixed acid process (volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1.5: the 3.3) purifying of 20～40nm, through adding in the negative material after 800 ℃ of heat treatments, prepares cathode pole piece according to above-mentioned preparation method again.Wherein the proportioning of negative material is: hydrogen bearing alloy: carbon nano-tube: Ni powder: HPMC: SBR=100: 0.8: 0.5: 15: 2.2,, again according to the preparation section of SC Ni-MH battery, the SC Ni-MH power cell The performance test results that makes is:
| Test condition | Capacity C (mA h) | Energy W (Wh) | Energy density (Wh/L) | Power P (W) | Specific power (W/kg) | Power density (W/L) | Cycle life | Discharge platform V |
| 0.1C filling 0.2C puts | 3459 | 4.372 | 267.4 | 0.758 3 | 12.63 | 46.37 | 80%DO D 687 times | 1.29 |
| 1C fills 5C to be put | 3357.5 | 3.864 | 236.4 | 17.26 | 287.70 | 1055.65 | 70%DO D 230 times | 1.16 |
| 1C fills 10C to be put | 3165 | 3.272 | 200.2 | 31.01 | 516.90 | 1896.08 | 70%DO D 187 times | 1.04 |
Embodiment 3
With diameter is carbon nano-tube employing mixed acid process (volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1: the 3) purifying of 20～40nm, through adding in the negative material after 850 ℃ of heat treatments, prepares cathode pole piece according to above-mentioned preparation method again.Wherein the proportioning of negative material is: hydrogen bearing alloy: carbon nano-tube: Ni powder: HPMC: SBR=100: 0.5: 0.5: 15: 2.6,, again according to the preparation section of SC Ni-MH battery, the SC Ni-MH power cell The performance test results that makes is:
| Test condition | Capacity C (mAh) | Energy W (Wh) | Energy density (Wh/L) | Power P (W) | Specific power (W/kg) | Power density (W/L) | Cycle life | Discharge platform V |
| 0.1C filling 0.2C puts | 3385.7 | 4.32 | 264.2 | 0.7656 | 12.76 | 46.83 | 80%DO D 611 times | 1.28 |
| 1C fills 5C to be put | 3242.5 | 3.79 | 231.8 | 17.53 | 292.2 | 1072.35 | 70%DO D 202 times | 1.16 |
| 1C fills 10C to be put | 3215 | 3.37 | 206.1 | 31.44 | 523.9 | 1922.75 | 70%DO D 151 times | 1.04 |
Embodiment 4
With diameter is carbon nano-tube employing mixed acid process (volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1.2: the 3.3) purifying of 20～40nm, through adding in the negative material after 900 ℃ of heat treatments, prepares cathode pole piece according to above-mentioned preparation method again.Wherein the proportioning of negative material is: hydrogen bearing alloy: carbon nano-tube: Ni powder: HPMC: SBR=100: 0.1: 0.5: 15: 2.8,, again according to the preparation section of SC Ni-MH battery, the SC Ni-MH power cell The performance test results that makes is:
| Test condition | Capacity C (mAh) | Energy W (Wh) | Energy density (Wh/L) | Power P (W) | Specific power (W/kg) | Power density (W/L) | Cycle life | Discharge platform V |
| 0.1C filling 0.2C puts | 3399.3 | 4.337 | 265.3 | 0.7655 | 12.75 | 46.82 | 80%DO D 601 times | 1.27 |
| 1C fills 5C to be put | 3250 | 3.757 | 229.8 | 17.34 | 289.00 | 1060.55 | 70%DO D 127 times | 1.15 |
| 1C fills 10C to be put | 3200 | 3.331 | 203.7 | 31.23 | 520.47 | 1910.09 | 70%DO D 90 times | 1.02 |
Embodiment 5
The cathode pole piece that makes is made the nano combined Ni-MH power cell of carbon according to the preparation method of SC type ni-mh, and concrete operations are:
(1) making of anode pole piece: with Ni (OH)
2: CoO: Y
2O
3According to mixing at 92: 7: 1 respectively through 100 orders and 150 purpose sieves, add an amount of adhesive (20% PTFE), mix, add 90 ℃ deionized water, stir 2h, leave standstill 10h and be mixed with.With the even scrubbing brush of brush on the collector nickel foam, directly dry-pressing and be cut into the positive plate of desired thickness.
Wherein: the positive plate size is 270 * 34 * 0.5mm mm, and the electrolyte injection rate is (5.0 ± 0.05) g/ sheet, and box hat is of a size of Ф 22.2/21.2 * 43.0mm. and is prepared into SC type Ni-MH power cell, and above-mentioned electrolyte adopts binary alkali lye: KOH: LiOH: H
2O=34: 1.6: 66.
(3) above battery is changed into according to following process high-temperature, actual conditions is:
1. the 0.1C charging is 2 hours, shelves 24 hours for 45 ℃, and normal temperature was shelved 4 hours
2. under 20 ℃, 0.1C charging 100 minutes, 0.5C discharge 100 minutes 0.2C are again put to 1V
3. under 20 ℃, 0.3C charging 2 hours, 0.5C is put to 1V
4. the 0.5C charging is 2 hours.
The nano combined Ni-MH power cell of the carbon that makes has high capacity, and good high rate during charging-discharging and good cycle life performance can be used for fields such as electric tool, electric motor car
Claims (3)
1. the preparation method of a carbon nanometer composite nickel-hydrogen power battery cathode sheet has following steps:
(1) be 20～40nm carbon nano-tube with diameter, carry out purifying through mixed acid process, wherein the volume ratio of the concentrated sulfuric acid and red fuming nitric acid (RFNA) is 1～1.5: 2.5～3.5, and 700～900 ℃ of heat treatment 2 hours under argon gas atmosphere;
(2) stir adding an amount of nickel powder behind carbon nano-tube after above purifying and the heat treatment and the hydrogen bearing alloy LaNi5 employing vacuum ball-milling method mechanical ball milling, add an amount of water of binding agent HPMC (carboxymethyl cellulose) and SBR (carboxylic styrene butadiene latex) interpolation again and be modulated into paste coating, the mass ratio of above material is: hydrogen bearing alloy LaNi5: carbon nano-tube: Ni powder: HPMC: SBR=100: 0.1～1.0: 0.5: 15: 2～3;
(3) paste coating for preparing more than the general is coated on the nickel foam equably, and the process drying at room temperature is 24 hours earlier, is pressed into cathode pole piece then under the pressure of 11MPa.
2. preparation method according to claim 1, with the mixed-powder of above-mentioned carbon nano-tube and hydrogen bearing alloy mechanical ball milling 8 hours in a vacuum, rotational speed of ball-mill is 430r/min in the above-mentioned steps (2), ratio of grinding media to material is 50: 1.
3. the application of a carbon nanometer composite nickel-hydrogen power battery cathode sheet is characterized in that: the cathode pole piece of making more than inciting somebody to action is applied to make the nano combined Ni-MH power cell of carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100302637A CN100508252C (en) | 2007-09-17 | 2007-09-17 | Carbon nanometer composite nickel-hydrogen power battery cathode sheet preparation method and its uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100302637A CN100508252C (en) | 2007-09-17 | 2007-09-17 | Carbon nanometer composite nickel-hydrogen power battery cathode sheet preparation method and its uses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101165947A true CN101165947A (en) | 2008-04-23 |
| CN100508252C CN100508252C (en) | 2009-07-01 |
Family
ID=39334515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100302637A Expired - Fee Related CN100508252C (en) | 2007-09-17 | 2007-09-17 | Carbon nanometer composite nickel-hydrogen power battery cathode sheet preparation method and its uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100508252C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593437A (en) * | 2012-02-29 | 2012-07-18 | 上海交通大学 | Disposable nickel hydrogen battery negative electrode material, negative electrode piece, battery and preparation methods thereof |
| CN102779981A (en) * | 2012-08-01 | 2012-11-14 | 广州市云通磁电有限公司 | Preparation method of negative electrode plate of nickel-metal hydride battery |
| CN102820457A (en) * | 2012-08-30 | 2012-12-12 | 上海锦众信息科技有限公司 | Preparation method of negative pole of power battery |
| CN103253648A (en) * | 2012-11-13 | 2013-08-21 | 山东省科学院新材料研究所 | Preparation method of carbon nanotube by growing on foamed nickel substrate |
| CN103682264A (en) * | 2013-12-11 | 2014-03-26 | 高建军 | Preparation method of cathode plate of nickel-metal hydride battery |
| CN104617282A (en) * | 2015-02-16 | 2015-05-13 | 徐象华 | Manufacturing method of nickel-based high-energy secondary battery negative electrode slurry |
| CN105742578A (en) * | 2016-03-22 | 2016-07-06 | 中国科学院理化技术研究所 | Preparation method for negative electrode slurry of nickel-metal hydride battery additionally provided with carbon nanotubes |
| CN114414332A (en) * | 2022-01-05 | 2022-04-29 | 北京科技大学 | Preparation method of antioxidant based on AI-CQDs and AI-CNSs |
-
2007
- 2007-09-17 CN CNB2007100302637A patent/CN100508252C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593437A (en) * | 2012-02-29 | 2012-07-18 | 上海交通大学 | Disposable nickel hydrogen battery negative electrode material, negative electrode piece, battery and preparation methods thereof |
| CN102593437B (en) * | 2012-02-29 | 2014-08-06 | 上海交通大学 | Disposable nickel hydrogen battery negative electrode material, negative electrode piece, battery and preparation methods thereof |
| CN102779981A (en) * | 2012-08-01 | 2012-11-14 | 广州市云通磁电有限公司 | Preparation method of negative electrode plate of nickel-metal hydride battery |
| CN102779981B (en) * | 2012-08-01 | 2014-06-25 | 广州市云通磁电有限公司 | Preparation method of negative electrode plate of nickel-metal hydride battery |
| CN102820457A (en) * | 2012-08-30 | 2012-12-12 | 上海锦众信息科技有限公司 | Preparation method of negative pole of power battery |
| CN103253648A (en) * | 2012-11-13 | 2013-08-21 | 山东省科学院新材料研究所 | Preparation method of carbon nanotube by growing on foamed nickel substrate |
| CN103253648B (en) * | 2012-11-13 | 2015-04-22 | 山东省科学院新材料研究所 | Preparation method of carbon nanotube by growing on foamed nickel substrate |
| CN103682264A (en) * | 2013-12-11 | 2014-03-26 | 高建军 | Preparation method of cathode plate of nickel-metal hydride battery |
| CN104617282A (en) * | 2015-02-16 | 2015-05-13 | 徐象华 | Manufacturing method of nickel-based high-energy secondary battery negative electrode slurry |
| CN105742578A (en) * | 2016-03-22 | 2016-07-06 | 中国科学院理化技术研究所 | Preparation method for negative electrode slurry of nickel-metal hydride battery additionally provided with carbon nanotubes |
| CN114414332A (en) * | 2022-01-05 | 2022-04-29 | 北京科技大学 | Preparation method of antioxidant based on AI-CQDs and AI-CNSs |
| CN114414332B (en) * | 2022-01-05 | 2024-04-16 | 北京科技大学 | Preparation method of antioxidant based on Al-CQDs and Al-CNSs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100508252C (en) | 2009-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111384381B (en) | Silicon @ carbon/MXene ternary composite material for lithium ion battery and preparation method thereof | |
| CN100508252C (en) | Carbon nanometer composite nickel-hydrogen power battery cathode sheet preparation method and its uses | |
| CN101894940B (en) | Preparation method of porous silicon-based cathode for lithium battery | |
| CN110993884B (en) | Lithium ion battery negative electrode slurry, preparation method, negative electrode plate and battery | |
| CN107482182B (en) | Carbon-coated ion-doped manganese phosphate lithium electrode material and preparation method thereof | |
| CN104638240A (en) | Method for preparing lithium ion battery silicon carbon composite anode material and product prepared by method | |
| CN104167540A (en) | Negative electrode active material and preparation method thereof and lithium ion battery | |
| CN105742695B (en) | A kind of lithium ion battery and preparation method thereof | |
| CN103346304A (en) | Tin-carbon composite material for lithium secondary battery negative electrode and preparation method thereof | |
| CN109755504B (en) | Preparation method of ferriporphyrin/carbon nanotube composite positive electrode material and application of ferriporphyrin/carbon nanotube composite positive electrode material in positive electrode of lithium-sulfur battery | |
| CN101593825B (en) | Negative pole made of nanometer antimony/graphite nanosheet composite material of lithium ion battery and preparation method thereof | |
| CN112652757B (en) | Modified silicon-carbon negative electrode material and preparation method and application thereof | |
| CN115101741B (en) | Nitrogen-doped graphene-coated silicon-carbon composite material and preparation method and application thereof | |
| CN107978736B (en) | Metal alloy/carbon tube/graphene sulfur-loaded composite cathode material and preparation method and application thereof | |
| CN106025251A (en) | Preparation method of negative electrode material of zinc and nickel battery and slurry mixing method of negative electrode of zinc and nickel battery | |
| CN102983368B (en) | Preparation method of high-temperature NI-MH power battery | |
| CN104638248A (en) | Method for preparing graphene/lead compound composite material | |
| CN117219777B (en) | Lithium supplementing agent, preparation method thereof, positive electrode plate and secondary battery | |
| CN111668448B (en) | Lithium iron phosphate modified composite material and preparation method thereof | |
| CN115548425A (en) | Composite sodium ion battery and preparation method thereof | |
| CN115172680A (en) | High-capacity high-rate lithium ion battery and preparation method thereof | |
| CN114695894A (en) | High-capacity hard carbon fast-charging negative electrode material and preparation method and application thereof | |
| CN109167027A (en) | A kind of redox graphene/carbon coating/composite ferric lithium phosphate material preparation method | |
| CN115353097B (en) | Graphene nanotube, positive electrode slurry, positive electrode sheet, battery cell and electronic device | |
| CN115621463B (en) | Graphene composite conductive agent, preparation method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20180917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |