CN1109922A - Process for preparing spongy foam nickel - Google Patents

Process for preparing spongy foam nickel Download PDF

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Publication number
CN1109922A
CN1109922A CN95102640A CN95102640A CN1109922A CN 1109922 A CN1109922 A CN 1109922A CN 95102640 A CN95102640 A CN 95102640A CN 95102640 A CN95102640 A CN 95102640A CN 1109922 A CN1109922 A CN 1109922A
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Prior art keywords
nickel
negative electrode
spongy foam
substrate
plating
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CN95102640A
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CN1040237C (en
Inventor
石殿普
张丽芳
李文明
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Hunan Corun New Energy Co., Ltd.
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Jilin University
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Application filed by Jilin University filed Critical Jilin University
Priority to CN95102640A priority Critical patent/CN1040237C/en
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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

Abstract

The method for preparing sponge-type foam nickel used as electrode plate of accumulator and netted plate of nickel hydrogenation catalyst includes electroplating nickel, during which coarsed polyether polyurethane is used as substrate and electroplating cathode is made up by magnetically controlled splattering, water washing, drying and heat treatment. During said splattering, pure nickel is used as target and splattering is conducted in A atmosphere. The foam nickel features uniform and firm plated layer, greater and continuous area, high purity and dense pores.

Description

Process for preparing spongy foam nickel
The invention belongs to the preparation method of spongy metal web plate, particularly be used to do the preparation method of the spongy foam nickel of battery plate and nickel hydrogenation catalyst.
Spongy foam nickel is a slice ni meshed plate that many smaller aperture are arranged that is made of metallic nickel.This web plate that is referred to as spongy foam nickel can be used for the battery lead plate of efficient high-energy battery, because many fine porositys are arranged, the nickel pole plate is fully contacted with accumulator liquid, and contact area increases, and has improved the performance of store battery.This spongy foam nickel can also be used for chemical industry as nickel hydrogenation catalyst.We can say that it is broad-spectrum metal otter board.
The preparation method of existing spongy foam nickel mainly comprises the substrate alligatoring, makes and electroplate with processes such as negative electrode, nickel plating, thermal treatments.Wherein the substrate alligatoring is to select for use polyethers polyamine fat to do substrate, makes its hole become big by alligatoring, increases the surface and slightly makes degree.Normally make coarsening solution with acid.Making is wherein electroplated and is used negative electrode, is to use in the alkali substrate after the alligatoring (polyethers polyamine fat vacuole foam) and coarsening solution, and washing and drying immerses in the water miscible conductive resin again, and the main component of conductive resin is a graphite, after drying is shone in cold, is made into the cathode of electroplating usefulness.Nickel plating wherein is that the plating that will make is put into nickeliferous ionic electroplate liquid with the negative electrode clamping, to being soaked with the substrate energising nickel plating of water miscible conductive resin.The nickel plating time is (40～50) minute approximately.Heat treatment process is with behind the substrate washing and drying after the nickel plating, under the temperature of (800～900) ℃, is incubated 1 hour, burning-off polyethers polyamine fat, and left is exactly the ni meshed plate of many holes.Battery lead plate that can also be by smoothing, cut, make store battery or the shape when being used for catalyzer.
By the spongy foam nickel of said process preparation, can only prepare the spongy foam nickel of fritter, and uneven coating is even.This is because conductive resin is water miscible, and during near the edge section plated with nickel of electroplating with negative electrode, middle portion also is not coated with nickel, and the cause that conductive resin has been dissolved away by electroplate liquid.Because the conductive resin main component is a graphite, is dissolved in the electroplate liquid, and electroplate liquid is polluted, and directly has influence on the purity of coating.Simultaneously, contaminated electroplate liquid will often be changed, and causes the waste of electroplate liquid, also causes the health to the pollution effect operator of environment.
The objective of the invention is to improve the preparation process of prior art,, prepare the high spongy foam nickel of large-area uniform purity, and reduce the loss of electroplate liquid and the pollution of environment to overcome the deficiency of prior art.
The preparation method of spongy foam nickel of the present invention, its process mainly comprises: substrate alligatoring or select for use the polyethers polyamine fat of alligatoring to do substrate, make of magnetically controlled sputter method and to electroplate with negative electrode, nickel plating, thermal treatment etc.The substrate coarsening process is identical with prior art.Also can directly use through the polyethers polyamine fat of alligatoring and make substrate fabrication plating negative electrode; Through nickel plating, washing and drying, heat-treat again.The said making plating of the present invention is not to use to lead with glue with negative electrode makes galvanized conductor, but the method for employing magnetron sputtering in coating equipment, is a target with the pure nickel, the energising back nickel of in the surface of substrate and hole, growing, thus the plating negative electrode that metallic nickel is made conductor formed.The negative electrode clamping is used in this plating, placed nickeliferous ionic electroplate liquid to carry out nickel plating, the time is (40～50) minute.Last thermal treatment is insulation 1 hour under (800～900) ℃ temperature, burns the fat substrate of polyethers polyamine and becomes spongy foam nickel.
When using negative electrode with sputtering method making plating, control current density is in (0.1～1.5) * 10 in argon gas atmosphere -2A/cm 2Scope, the control sputtering time is in (20～100) second, and two interelectrode distances are between (10～30) cm; Vacuumize earlier before sputter, vacuum tightness is (0.8～3.5) * 10 -5Mmhg charges into argon gas final vacuum degree in (2～3.5) * 10 -4Mmhg.
When using negative electrode with sputtering method making plating, current density, sputtering time have influence on the quality of nickel simple substance in the substrate, and sputter is too much, and polyethers polyamine fat surface is stuck with paste extremely, and when nickel plating, substrate inside will be plated less than nickel; Sputter is very few, and during nickel plating, the nickel growth is firm inadequately.Thereby current density preferably is controlled at (0.2～0.5) * 10 -2A/cm 2, sputtering time preferably is controlled at (30～60) second.
For making the spongy foam nickel of different purposes, also need to smooth, cut, shape and size to reach practical application, packing forms product again, is convenient to transportation, keeping and uses.
Make the plating negative electrode owing to the present invention uses magnetically controlled sputter method, when electroplating, the nickel that is splashed on the polyethers polyamine fat vacuole foam is insoluble to electroplate liquid, makes the coating of nickel even and firm, can prepare the spongy foam nickel of bulk, and every area can reach 1m 2More than, and monoblock is a successive; Simultaneously, do not make the plating negative electrode owing to do not use water-soluble conducting glue, and do not have impurity (mainly being graphite) to enter electroplate liquid, not only made the purity height of spongy foam nickel, and reduced that electroplate liquid is polluted by graphite and the waste of the electroplate liquid that causes, greatly reduce production cost, also reduced pollution, improved operator's working conditions environment.Use the preparation method of spongy foam nickel of the present invention, the products obtained therefrom hole is fine and closely woven, and surface-area is big, can improve the service efficiency of store battery or nickel hydrogenation catalyst.

Claims (3)

1, a kind of preparation method of spongy foam nickel uses through the polyethers polyamine fat of alligatoring and does substrate, makes to electroplate and uses negative electrode; Through nickel plating, washing and drying, processes such as thermal treatment are prepared spongy foam nickel, and said nickel plating is to carry out in nickeliferous ionic electroplate liquid, and the time is (40～50) minute; Said thermal treatment is to be incubated 1 hour under (800～900) ℃ temperature, burn the substrate of polyethers polyamine fat, the invention is characterized in that it is to carry out with the method for magnetron sputtering that said making is electroplated with negative electrode, in coating equipment, with the pure nickel is target, after the energising, the nickel of in substrate surface and hole, growing, the plating negative electrode of formation nickel metal.
2, according to the preparation method of the described spongy foam nickel of claim 1, it is characterized in that make electroplating when using negative electrode with sputtering method, in argon gas atmosphere, control current density is in (0.1～1.5) * 10 -2A/cm 2Scope, the control sputtering time is at (20～100) S, and two interelectrode distances vacuumize earlier before the sputter between (10～30) cm, and vacuum tightness is (0.8～3.5) * 10 -5Mmhg charges into argon gas final vacuum degree in (2～3.5) * 10 -4Mmhg.
3, according to the preparation method of claim 1 or 2 described spongy foam nickels, it is characterized in that make electroplating when using negative electrode with sputtering method, current density is controlled at (0.2～0.5) * 10 -2A/cm 2, sputtering time is (30～60) S.
CN95102640A 1995-03-11 1995-03-11 Process for preparing spongy foam nickel Expired - Lifetime CN1040237C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN95102640A CN1040237C (en) 1995-03-11 1995-03-11 Process for preparing spongy foam nickel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN95102640A CN1040237C (en) 1995-03-11 1995-03-11 Process for preparing spongy foam nickel

Publications (2)

Publication Number Publication Date
CN1109922A true CN1109922A (en) 1995-10-11
CN1040237C CN1040237C (en) 1998-10-14

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CN95102640A Expired - Lifetime CN1040237C (en) 1995-03-11 1995-03-11 Process for preparing spongy foam nickel

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003056058A1 (en) * 2001-12-24 2003-07-10 72G International Company Limited A method of producing a composite electroconductive material
WO2007076650A1 (en) * 2005-12-31 2007-07-12 72G Group Limited Sintered hollow polyurethane spongy metal structure and preparation method thereof
WO2007121659A1 (en) * 2006-04-18 2007-11-01 Inco Advanced Technology Materials (Dalian) Co., Ltd Porous metal materials with elliptic type pores and their manufacturing process
CN100368574C (en) * 2005-08-10 2008-02-13 广州有色金属研究院 Porous foam nickel base alloy and its preparation method
CN101396661B (en) * 2007-09-26 2010-06-23 中国科学院金属研究所 High aperture-ratio foam manganese dioxide catalyst material and preparation method and use thereof
CN108103506A (en) * 2017-12-18 2018-06-01 常德力元新材料有限责任公司 A kind of preparation method of foam metal shielding material
CN110931329A (en) * 2019-12-11 2020-03-27 中国电子科技集团公司第十二研究所 Preparation method of columnar nickel sponge oxide cathode

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9200350A (en) * 1992-02-26 1993-09-16 Stork Screens Bv METHOD FOR MANUFACTURING A METAL FOAM AND OBTAINED METAL FOAM.

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003056058A1 (en) * 2001-12-24 2003-07-10 72G International Company Limited A method of producing a composite electroconductive material
CN100368574C (en) * 2005-08-10 2008-02-13 广州有色金属研究院 Porous foam nickel base alloy and its preparation method
WO2007076650A1 (en) * 2005-12-31 2007-07-12 72G Group Limited Sintered hollow polyurethane spongy metal structure and preparation method thereof
WO2007121659A1 (en) * 2006-04-18 2007-11-01 Inco Advanced Technology Materials (Dalian) Co., Ltd Porous metal materials with elliptic type pores and their manufacturing process
CN101396661B (en) * 2007-09-26 2010-06-23 中国科学院金属研究所 High aperture-ratio foam manganese dioxide catalyst material and preparation method and use thereof
CN108103506A (en) * 2017-12-18 2018-06-01 常德力元新材料有限责任公司 A kind of preparation method of foam metal shielding material
CN110931329A (en) * 2019-12-11 2020-03-27 中国电子科技集团公司第十二研究所 Preparation method of columnar nickel sponge oxide cathode
CN110931329B (en) * 2019-12-11 2022-03-04 中国电子科技集团公司第十二研究所 Preparation method of columnar nickel sponge oxide cathode

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CN1040237C (en) 1998-10-14

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