CN103972485A - Porous metal composite electrode material and preparation method thereof - Google Patents
Porous metal composite electrode material and preparation method thereof Download PDFInfo
- Publication number
- CN103972485A CN103972485A CN201410232302.1A CN201410232302A CN103972485A CN 103972485 A CN103972485 A CN 103972485A CN 201410232302 A CN201410232302 A CN 201410232302A CN 103972485 A CN103972485 A CN 103972485A
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- Prior art keywords
- electrode material
- nickel
- tube
- carbon nano
- compound
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- 239000007772 electrode material Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000002905 metal composite material Substances 0.000 title abstract 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 106
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 25
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 25
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000007769 metal material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 150000002739 metals Chemical class 0.000 claims description 13
- 238000010288 cold spraying Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 5
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 30
- 238000004381 surface treatment Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 4
- 239000013543 active substance Substances 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 16
- 238000012360 testing method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018502 Ni—H Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a porous metal composite electrode material. A compound consisting of a carbon nano-tube and nickel fiber is coated on the surface of a porous metal material in a three-dimensional net shape. A preparation method of the material comprises the following steps: performing surface treatment on the porous metal material which serves as a substrate; coldly spraying the compound on the surface of the porous metal material; performing high-temperature reduction treatment to obtain the porous metal composite electrode material. The coldly-sprayed compound consists of the carbon nano-tube and the nickel fiber. The porous metal composite electrode material is high in specific surface area, thereby facilitating the increase of filling amounts of electrode active substances, effectively improving the capacitance of batteries and shortening the charging time of the batteries.
Description
Technical field
The present invention relates to a kind of porous metals combination electrode material and preparation method thereof.
Background technology
Along with being on the rise of global energy crisis and earth environment deterioration problem, people more and more pay attention to the use of new forms of energy, and wherein chemical energy storage is one of current most widely used general, the most ripe technology.Current new chemical energy storage components and parts are mainly all types of chemical power source and physics accumulate devices etc.The positive electrode material of making chemical power source mainly uses foam porous metal material as carrier, but porous metal material is confined to the development of technology, cannot effectively meet the inherent characteristic such as high-specific surface area, high conduction resistance, therefore seriously limit the development of chemical power source.
Summary of the invention
The present invention aims to provide a kind ofly to be had high specific surface area, can improve battery capacity, improves porous composite electrode material of battery charge efficiency and preparation method thereof.
The present invention realizes by following scheme:
A kind of porous metals combination electrode material, is covered with by carbon nano-tube and the fibrous compound of nickel being three-dimensional netted porous metal material surface, and wherein the mass ratio of carbon nano-tube and nickel fiber is (0.5 ~ 1): (0.05 ~ 0.1).
Experiment discovery, the thickness of carbon nano-tube and nickel fibre composites layer is 5 ~ 10 μ m, and the caliber of carbon nano-tube is 50 ~ 100nm, and length is 1 ~ 10 μ m; The diameter of nickel fiber is 1 ~ 10 μ m, and when length 100 ~ 500 μ m, material property is more excellent.
The preparation method of above-mentioned porous metals combination electrode material, carries out according to the following steps:
(1) surface treatment: to have reducing atmosphere and temperature be that the reduction furnace of 700 ~ 1000 DEG C is processed 1 ~ 5h using being placed in as the porous metal material of substrate.Can adopt percent opening as the porous metal material of substrate is 80 ~ 98%, and thickness is 0.5 ~ 1.0mm, and average pore size is existing porous metal material such as nickel foam, the foam copper etc. of 100 ~ 500 μ m.
(2) surperficial cold spraying compound: be in mass ratio (0.5 ~ 1): (0.05 ~ 0.1) mixes carbon nano-tube and nickel fiber, then adopt cold spray process that mixed-powder is sprayed on the porous metal material surface of substrate and forms one deck compound, keeping surperficial cold spraying composite layer thickness is 5 ~ 10 μ m.In compound, the caliber of carbon nano-tube is 50 ~ 100nm, and length is 1 ~ 10 μ m; In compound, the diameter of nickel fiber is 1 ~ 10 μ m, length 100 ~ 500 μ m.
(3) high temperature reduction processing: to have reducing atmosphere and temperature be that the reduction furnace of 300 ~ 500 DEG C is processed 3 ~ 5h by being placed in through the material of step (2), obtains porous metals combination electrode material.
Compared with prior art, advantage applies of the present invention in:
1. porous metals combination electrode material of the present invention, cover the compound that has carried one deck carbon nano-tube and nickel fiber on porous metal material surface, its specific area is higher more than 45% than conventional electrodes material, electric conductivity is better, use material of the present invention to prepare the chemical power source such as ultracapacitor or Ni-MH power cell, can complete charging process within a short period of time, improve charge efficiency, capacitance can promote more than 20% simultaneously.
2. the present invention adopts cold spray process to make compound porous metal material, the firm binding force of basis material and composite coating material, and technique is simpler.
Embodiment
embodiment 1
Adopt that percent opening is 80%, thickness is that 0.5mm, average pore size are that the foam nickel material of 100 μ m is base material, be prepared according to the following steps:
(1) surface treatment: foam nickel material is placed in to have hydrogen atmosphere and temperature be that the reduction furnace of 700 DEG C is processed 5h, the oxide-film on the nickel material surface that defoams.
(2) surperficial cold spraying compound: be first that 50nm, length are that carbon nano-tube and the diameter of 1 μ m is that 1 μ m, length are that the nickel fiber of 100 μ m is to mix at 0.5: 0.05 in mass ratio by caliber, then adopt cold spray process that mixed-powder is sprayed on foam nickel material surface and forms one deck compound, surperficial cold spraying composite layer thickness is 5 μ m.
(3) high temperature reduction processing: to have hydrogen reducing atmosphere and temperature be that the reduction furnace of 300 DEG C is processed 5h by being placed in through the material of step (2), obtains nickel porous combination electrode material.
embodiment 2
The nickel porous combination electrode material that embodiment 1 method prepares, by detecting, the carbon nano-tube that nickel porous combination electrode material surface is covered with and the fibrous composite thickness of nickel are 5 μ m; Carbon nano-tube caliber is that 50nm, length are 1 μ m, and the diameter of nickel fiber is that 1 μ m, length are 100 μ m.
The nickel porous combination electrode material that embodiment 1 method is prepared and conventional foam nickel material contrast detection, and its testing result is in shown in table one.Testing result from table one contrasts to be found out, its specific area of nickel porous combination electrode material of the present invention is higher by 87.5% than conventional nickel foam.
The performance comparison testing result of table one different materials
Nickel porous combination electrode material of the present invention and conventional foam nickel material are made to Ni-H 2 power SC3000 battery by same process, use 5C to discharge and recharge to carry out cycle life contrast and detect, its testing result is in shown in table two.Testing result from table one contrasts to be found out, its 5C charge and discharge circulation life number of times of battery that uses nickel porous combination electrode material of the present invention to make is higher by 66.7% than the battery that uses conventional foam nickel material to make.
The battery performance contrast testing result that table two different materials is made
embodiment 3
Adopt that percent opening is 90%, thickness is that 0.8mm, average pore size are that the foam nickel material of 300 μ m is base material, be prepared according to the following steps:
(1) surface treatment: foam nickel material is placed in to have hydrogen reducing atmosphere and temperature be that the reduction furnace of 800 DEG C is processed 3h, the oxide-film on the nickel material surface that defoams.
(2) surperficial cold spraying compound: be first that 80nm, length are that carbon nano-tube and the diameter of 5 μ m is that 5 μ m, length are that the nickel fiber of 70 μ m is to mix at 0.8: 0.08 in mass ratio by caliber, then adopt cold spray process that composite powder is sprayed on foam nickel material surface and forms one deck compound, surperficial cold spraying composite layer thickness is 8 μ m.
(3) high temperature reduction processing: be that the reduction furnace of 400 DEG C is processed 4h by be placed in the reducing atmosphere that comprises decomposed ammonia body and temperature through the material of step (2), obtain nickel porous combination electrode material.
Prepare as stated above nickel porous combination electrode material, the carbon nano-tube that its surface is covered with after testing and the fibrous composite thickness of nickel are 8 μ m; Carbon nano-tube caliber is that 80nm, length are 5 μ m; Nickel fibre diameter is that 5 μ m, length are 70 μ m.
embodiment 4
Adopt that percent opening is 98%, thickness is that 1.0mm, average pore size are that the foam nickel material of 500 μ m is base material, be prepared according to the following steps:
(1) surface treatment: foam nickel material is placed in to include the reducing atmosphere of decomposed ammonia and temperature be that the reduction furnace of 1000 DEG C is processed 2h, the oxide-film on the nickel material surface that defoams.
(2) surperficial cold spraying compound: be first that 100nm, length are that carbon nano-tube and the diameter of 10 μ m is that 10 μ m, length are that the nickel fiber of 100 μ m is to mix at 1.0: 0.1 in mass ratio by caliber, then adopt cold spray process that composite powder is sprayed on foam nickel material surface and forms one deck compound, surperficial cold spraying composite layer thickness is 10 μ m.
(3) high temperature reduction processing: to have hydrogen reducing atmosphere and temperature be that the reduction furnace of 500 DEG C is processed 3h by being placed in through the material of step (2), obtains nickel porous combination electrode material.
Prepare as stated above nickel porous combination electrode material, the carbon nano-tube that its surface is covered with after testing and the fibrous composite thickness of nickel are 10 μ m; Carbon nano-tube caliber is that 100nm, length are 10 μ m; Nickel fibre diameter is that 10 μ m, length are 100 μ m.
Claims (7)
1. a porous metals combination electrode material, is characterized in that: be covered with by carbon nano-tube and the fibrous compound of nickel being three-dimensional netted porous metal material surface, wherein the mass ratio of carbon nano-tube and nickel fiber is 0.5～1:0.05～0.1.
2. a kind of porous metals combination electrode material as claimed in claim 1, is characterized in that: the fibrous composite thickness of described carbon nano-tube and nickel is 5～10 μ m.
3. a kind of porous metals combination electrode material as claimed in claim 1 or 2, is characterized in that: the caliber that carbon nano-tube in year compound is covered on described surface is 50～100nm, and length is 1～10 μ m; The diameter of nickel fiber is 1～10 μ m, and length is 100～500 μ m.
4. prepare the method for the porous metals combination electrode material as described in one of claim 1～3 for one kind, it is characterized in that: comprise the following steps, porous metal material surface treatment---surperficial cold spraying compound---high temperature reduction processing, the compound of surperficial cold spraying is that the compound of carbon nano-tube and nickel fiber and the mass ratio of carbon nano-tube and nickel fiber are 0.5～1:0.05～0.1.
5. a kind of method of preparing porous metals combination electrode material as claimed in claim 4, is characterized in that: the thickness of controlling described surperficial cold spraying composite layer is 5～10 μ m.
6. a kind of method of preparing porous metals combination electrode material as claimed in claim 5, is characterized in that: in described surperficial cold spraying compound, the caliber of carbon nano-tube is 50～100nm, and length is 1～10 μ m; The nickel fibre diameter of described compound is 1～10 μ m, and length is 100～500 μ m.
7. a kind of method of preparing porous metals combination electrode material as described in claim 4～6, is characterized in that: described surperficial deoxidation treatment step is to be to process 1～5h in the reduction furnace of 700～1000 DEG C having reducing atmosphere and temperature; Described reduction treatment step is to be to process 3～5h in the reduction furnace of 300～500 DEG C having reducing atmosphere and temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232302.1A CN103972485B (en) | 2014-05-29 | 2014-05-29 | A kind of porous metals combination electrode material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410232302.1A CN103972485B (en) | 2014-05-29 | 2014-05-29 | A kind of porous metals combination electrode material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103972485A true CN103972485A (en) | 2014-08-06 |
| CN103972485B CN103972485B (en) | 2016-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206433A (en) * | 2015-10-28 | 2015-12-30 | 梧州三和新材料科技有限公司 | Preparation method of metal-carbon nano tube compounded porous electrode material |
| CN114229966A (en) * | 2021-12-17 | 2022-03-25 | 东北电力大学 | Nickel/hydroxylated multi-walled carbon nanotube/titanium composite electrode and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303134A (en) * | 2000-12-14 | 2001-07-11 | 黄惠泉 | Method for preparing substrate of Ni-H battery |
| CN1612379A (en) * | 2003-10-30 | 2005-05-04 | 鸿富锦精密工业（深圳）有限公司 | Nickel-hydrogen cell electrode and its preparing method |
| CN1734689A (en) * | 2004-08-13 | 2006-02-15 | 中国人民解放军63971部队 | Composite oxide electrochemical capacitor and preparation method thereof |
| KR20090108528A (en) * | 2008-04-11 | 2009-10-15 | 주식회사 에이엠오 | Electrode of Ultra-Capacitor Capacitor and Manufacturing Method Thereof |
| CN102088089A (en) * | 2010-12-27 | 2011-06-08 | 浙江大学 | Preparation method of combined electrode of fuel cell and test device thereof |
-
2014
- 2014-05-29 CN CN201410232302.1A patent/CN103972485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303134A (en) * | 2000-12-14 | 2001-07-11 | 黄惠泉 | Method for preparing substrate of Ni-H battery |
| CN1612379A (en) * | 2003-10-30 | 2005-05-04 | 鸿富锦精密工业（深圳）有限公司 | Nickel-hydrogen cell electrode and its preparing method |
| CN1734689A (en) * | 2004-08-13 | 2006-02-15 | 中国人民解放军63971部队 | Composite oxide electrochemical capacitor and preparation method thereof |
| KR20090108528A (en) * | 2008-04-11 | 2009-10-15 | 주식회사 에이엠오 | Electrode of Ultra-Capacitor Capacitor and Manufacturing Method Thereof |
| CN102088089A (en) * | 2010-12-27 | 2011-06-08 | 浙江大学 | Preparation method of combined electrode of fuel cell and test device thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘春华等: "泡沫镍及负载型镍催化剂制备纳米碳纤维层的研究", 《化学研究与应用》, vol. 20, no. 11, 30 November 2008 (2008-11-30) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206433A (en) * | 2015-10-28 | 2015-12-30 | 梧州三和新材料科技有限公司 | Preparation method of metal-carbon nano tube compounded porous electrode material |
| CN105206433B (en) * | 2015-10-28 | 2019-09-06 | 梧州三和新材料科技有限公司 | A kind of preparation method of metal-carbon pipe composite porous electrode material |
| CN114229966A (en) * | 2021-12-17 | 2022-03-25 | 东北电力大学 | Nickel/hydroxylated multi-walled carbon nanotube/titanium composite electrode and preparation method and application thereof |
| CN114229966B (en) * | 2021-12-17 | 2023-10-13 | 东北电力大学 | A nickel/hydroxylated multi-walled carbon nanotube/titanium composite electrode and its preparation method and application |
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| Publication number | Publication date |
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| CN103972485B (en) | 2016-07-20 |
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