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Electrochemical synthesis method of nickel-phosphorus alloy nanotube array

A nanotube array, nickel-phosphorus alloy technology, applied in nanotechnology and other directions, to achieve the effects of convenient and easy-to-obtain raw materials, simple experimental equipment, and easy process

Inactive Publication Date: 2014-05-21
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the effective method for preparing one-dimensional nanomaterials by electrochemical method is anodic aluminum oxide template (AAO) assisted electrodeposition synthesis method. The process of synthesizing Ni nanowires by this method is very mature, and the synthesis of Ni-P nanotube composite materials There are few reports, and there is no report on the preparation of such materials by electrochemical deposition

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  • Electrochemical synthesis method of nickel-phosphorus alloy nanotube array
  • Electrochemical synthesis method of nickel-phosphorus alloy nanotube array
  • Electrochemical synthesis method of nickel-phosphorus alloy nanotube array

Examples

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Effect test

Embodiment 1

[0023] An electrochemical preparation method of a nickel-phosphorus alloy nanotube array, comprising the following steps:

[0024] 1) Pretreatment of the anodized aluminum template and preparation of the gold electrode: the anodized aluminum template was ultrasonically cleaned with absolute ethanol and deionized water for 10 minutes, and dried in the air; a multi-target sputtering system was used on the anodized aluminum template A 10nm gold film is sputtered on the back;

[0025] 2) Preparation of electrolyte: nickel sulfate (NiSO 4 ·6H 2 O), boric acid (H 3 BO 3 ), sodium hypophosphite (NaH 2 PO 2 ·H 2 (0) is raw material, dissolves with deionized water at room temperature, preparation contains each substance concentration and is 100 grams / liter nickel sulfate, 30 grams / liter boric acid, 20 milliliters of aqueous solutions of 70 grams / liter sodium hypophosphite as electrolyte;

[0026] 3) Construction of the electrodeposition reaction circuit: Use double-sided conduct...

Embodiment 2

[0030] An electrochemical preparation method of a nickel-phosphorus alloy nanotube array, comprising the following steps:

[0031] 1) Pretreatment of the anodized aluminum template and preparation of the gold electrode: the anodized aluminum template was ultrasonically cleaned for 15 minutes with absolute ethanol and deionized water, and dried in the air; a multi-target sputtering system was used on the anodized aluminum template A 15nm gold film is sputtered on the back;

[0032] 2) Preparation of electrolyte: nickel sulfate (NiSO 4 ·6H 2 O), boric acid (H 3 BO 3 ), sodium hypophosphite (NaH 2 PO 2 ·H 2 (0) is raw material, dissolves with deionized water at room temperature, preparation contains each substance concentration and is 100 grams / liter nickel sulfate, 30 grams / liter boric acid, 20 milliliters of aqueous solutions of 70 grams / liter sodium hypophosphite as electrolyte;

[0033] 3) Construction of the electrodeposition reaction circuit: Use double-sided conduct...

Embodiment 3

[0037] An electrochemical preparation method of a nickel-phosphorus alloy nanotube array, comprising the following steps:

[0038] 1) Pretreatment of the anodized aluminum template and preparation of the gold electrode: the anodized aluminum template was ultrasonically cleaned with absolute ethanol and deionized water for 20 minutes, and dried in the air; a multi-target sputtering system was used on the anodized aluminum template A 20nm gold film is sputtered on the back;

[0039] 2) Preparation of electrolyte: nickel sulfate (NiSO 4 ·6H 2 O), boric acid (H 3 BO 3 ), sodium hypophosphite (NaH 2 PO 2 ·H 2 (0) is raw material, dissolves with deionized water at room temperature, preparation contains each substance concentration and is 50 grams / liter nickel sulfate, 15 grams / liter boric acid, 20 milliliters of aqueous solutions of 35 grams / liter sodium hypophosphite as electrolyte;

[0040] 3) Construction of the electrodeposition reaction circuit: Use double-sided conducti...

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Abstract

The invention relates to an electrochemical preparation method of a nickel-phosphorus alloy nanotube array. The preparation method comprises the steps of cleaning and airing an anodic aluminum oxide template, sputtering one gold film layer on the back surface of the anodic aluminum oxide template, preparing an aqueous solution containing nickel sulfate, boric acid and sodium hypophosphite as an electrolyte solution, connecting the gold-spraying surface of the anodic aluminum oxide template with a negative electrode of a power supply to serve as the cathode for electrochemical deposition reaction; connecting a graphite electrode with a positive electrode of the power supply to serve as the anode for electrochemical deposition reaction; and immersing the anodic aluminum oxide template and the graphite electrode into the prepared aqueous solution, and preparing a nickel-phosphorus nanotube in a constant-voltage deposition mode and in a constant-current deposition mode respectively. The used raw materials are easily available, the experiment equipment is simple, the process is easy to realize, and the nickel-phosphorus alloy nanotube array with outer diameter of 200 nanometers and length of 50-60 micrometers can be synthesized.

Description

technical field [0001] The invention belongs to the technical field of preparation of structured nanomaterials, relates to composite nanomaterials used as electrode materials in the fields of lithium ion batteries and supercapacitors, and particularly relates to an electrochemical preparation method of nickel-phosphorus alloy nanotube arrays. Background technique [0002] One-dimensional nanomaterials such as nanowires and nanotubes have unique optical, electrical, and magnetic properties, and have broad application prospects in nanodevices, lithium-ion batteries, and supercapacitors. One-dimensional nickel-phosphorus alloy nanotube materials have a large specific surface area and excellent energy storage properties, and can be used as electrode materials for lithium-ion batteries and supercapacitors. At present, the effective method for preparing one-dimensional nanomaterials by electrochemical method is anodic aluminum oxide template (AAO) assisted electrodeposition synthe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56B82Y40/00
Inventor 张漫漫李本强薛新江新兵于伟
Owner XI AN JIAOTONG UNIV
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