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Method for manufacturing porous nickel powder by electro-deposition of Ni-Al-Mg-Li alloy

An electrodeposition and porous nickel technology, applied in the field of metal materials, can solve the problems of easy oxidation of products, large equipment investment and high energy consumption, and achieve the effects of improving solubility, good electrical conductivity and wide electrochemical window.

Inactive Publication Date: 2013-02-06
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This traditional method of preparing nickel-aluminum alloy uses a high-temperature melting method, which has the disadvantages of high energy consumption, large investment in equipment, large pollution, and easy oxidation of the product.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Preparation of non-aqueous electrolyte containing lithium salt

[0029] 1-Methyl-3-ethylimidazole hexafluorophosphate: 45%

[0030] 1-Methyl-3-butylimidazole tetrafluoroborate: 20%

[0031] N-butylpyridine hexafluorophosphate: 12%

[0032] N,N-Dimethylformamide: 10%

[0033] Propylene carbonate: 4%

[0034] Lithium tetrafluoroborate: 5%

[0035] Lithium acetate: 1%

[0036] Liquid paraffin 0.5%

[0037] Triethyl phosphate 2.5%

[0038] According to the above mass percentage, 1-methyl-3-ethylimidazole hexafluorophosphate, 1-methyl-3-butylimidazole tetrafluoroborate, N-butylpyridine hexafluorophosphate, N, N -Dimethylformamide, propylene carbonate, lithium tetrafluoroborate, lithium acetate, liquid paraffin and triethyl phosphate are mixed, and stirred to obtain a lithium salt-containing non-aqueous electrolyte;

[0039] Electrodeposition of Ni-Al-Mg-Li Alloy

[0040] Under normal temperature and pressure, a non-aqueous solution containing lithium salt is used as the electrolyte, metalli...

Embodiment 2

[0046] Preparation of non-aqueous electrolyte containing lithium salt

[0047] N-ethylpyridine tetrafluoroborate: 15%

[0048] 1-Methyl-3-butylimidazole hexafluorophosphate: 15%

[0049] 1-Methyl-3-ethylimidazole tetrafluoroborate: 30%

[0050] 1,2-Dimethyl-3-ethylimidazole hexafluorophosphate: 10%

[0051] Propylene carbonate: 5%

[0052] Dimethyl sulfoxide: 15%

[0053] Lithium hexafluorophosphate: 6%

[0054] Paraffin: 1%

[0055] Dimethicone: 0.5%

[0056] Trimethyl phosphate: 0.5%

[0057] Tributyl phosphate: 2%

[0058] According to the above mass percentages, N-ethylpyridine tetrafluoroborate, 1-methyl-3-butylimidazole hexafluorophosphate, 1-methyl-3-ethylimidazole tetrafluoroborate, 1, 2-Dimethyl-3-ethylimidazole hexafluorophosphate, propylene carbonate, dimethyl sulfoxide, lithium hexafluorophosphate, paraffin, dimethicone, trimethyl phosphate and tributyl phosphate were mixed, and stirred to obtain Non-aqueous electrolyte of lithium salt;

[0059] Electrodeposition of Ni-Al-Mg-Li Al...

Embodiment 3

[0066] Preparation of non-aqueous electrolyte containing lithium salt

[0067] 1,2-Dimethyl-3-ethylimidazole tetrafluoroborate: 40%

[0068] 1,2-Dimethyl-3-butylimidazole hexafluorophosphate: 20%

[0069] N-butylpyridine tetrafluoroborate: 15%

[0070] Dimethyl sulfoxide: 8%

[0071] Lithium formate: 2%

[0072] Lithium hexafluorophosphate: 12%

[0073] Diethyl silicone oil: 0.5%

[0074] Triethyl phosphate: 2%

[0075] Triphenyl phosphate: 0.5%

[0076] According to the above mass percentage, 1,2-dimethyl-3-ethylimidazole tetrafluoroborate, 1,2-dimethyl-3-butylimidazole hexafluorophosphate, N-butylpyridine tetrafluoroborate Mix borate, dimethyl sulfoxide, lithium formate, lithium hexafluorophosphate, diethyl silicone oil, triethyl phosphate and triphenyl phosphate, and stir evenly to obtain a lithium salt-containing non-aqueous electrolyte;

[0077] Electrodeposition of Ni-Al-Mg-Li Alloy

[0078] Under normal temperature and pressure, a non-aqueous solution containing lithium salt is used as...

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Abstract

The invention discloses a method for manufacturing porous nickel powder by electro-deposition of Ni-Al-Mg-Li alloy. The method includes that non-aqueous solution containing lithium salt is used as an electrolyte, metal nickel, metal aluminum and metal manganese are connected in parallel to be used as an anode, a metal titanium sheet is used as a cathode, and a rough Ni-Al-Mg-Li alloy product is prepared by means of electrochemical deposition; the rough Ni-Al-Mg-Li alloy product is subjected to high-energy ball milling, discharging, washing, filtering and drying to obtain Ni-Al-Mg-Li alloy powder; and the Ni-Al-Mg-Li alloy powder is subjected to acid treatment, washing, drying and grinding to obtain the porous nickel powder. The method has the advantages of simplicity in process, low energy consumption, equipment investment and production cost, zero pollution, high production efficiency and the like, the production benefit and the economical benefit can be effectively increased, and the method is beneficial to popularization and application.

Description

Technical field [0001] The invention relates to a method for preparing porous nickel powder by electrodepositing Ni-Al-Mg-Li alloy, and belongs to the field of metal materials. Background technique [0002] Nickel powder is an important metal powder material, which is widely used in aviation, aerospace, atomic energy reactors, nickel-hydrogen batteries, electronic remote control, electrical alloys, conductive inks, conductive adhesives, high-temperature high-strength alloys, catalysts, and powder metallurgy additives. Industry, electronics, automobiles, machinery and other industries. When nickel powder is used in the field of catalysts, the specific surface area of ​​nickel powder is one of the important indicators for evaluating its catalytic performance. Therefore, improving the specific surface area of ​​nickel powder is one of the important research directions in the field of nickel powder material preparation science. [0003] The traditional method of preparing Raney nickel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C5/02
Inventor 王晟朱姗王田珍李红燕
Owner NANJING UNIV OF TECH
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