Preparation method and application of one-dimensional/one-dimensional nanostructure assembled nickel sulfide/nickel phosphide

A nanostructure and nickel sulfide technology, applied in chemical instruments and methods, physical/chemical process catalysts, electrolytic components, etc., can solve problems such as multi-level nanostructures that have not been reported, and achieve mild conditions, easy application, and convenient operation Effect

Active Publication Date: 2018-08-10
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, to the best of our knowledge, hierarchical nanostructure

Method used

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  • Preparation method and application of one-dimensional/one-dimensional nanostructure assembled nickel sulfide/nickel phosphide
  • Preparation method and application of one-dimensional/one-dimensional nanostructure assembled nickel sulfide/nickel phosphide
  • Preparation method and application of one-dimensional/one-dimensional nanostructure assembled nickel sulfide/nickel phosphide

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[0034] Example 1

[0035] Step 1. Preparation of nickel sulfide / nickel phosphide assembled with 1D / 1D nanostructures

[0036] 0.320g CH 3 CSNH 2 Add 30mL of deionized water, stir for 30 minutes to disperse evenly, place the obtained mixed solution in a steel sleeve lined with polytetrafluoroethylene, put in 2 pieces of 1 square centimeter foam nickel, and react 8 pieces in a 150 ℃ oven After hours, take out the foamed nickel after natural cooling to room temperature, wash it with deionized water, and dry it in a vacuum oven at 60°C. The dried nickel foam is loaded into the quartz ark and pushed into the downstream position of the central hot zone of the tube furnace; in addition, 1.06gNaH is weighed 2 PO 2 ·H 2 Put O into another quartz ark, push it into the upstream position of the central hot zone of the tube furnace, and seal the flange; the argon gas is measured by the rotameter (the argon flow rate is 0.080L min -1 ) After fully mixing, enter the tube furnace; at 5℃ min -1 The...

Example Embodiment

[0047] Example 2

[0048] 0.320g CH 3 CSNH 2 Add 30mL of deionized water, stir for 30 minutes to disperse evenly, place the obtained mixed solution in a steel sleeve lined with polytetrafluoroethylene, put in 2 pieces of 1 square centimeter foam nickel, and react 8 pieces in a 150 ℃ oven After hours, take out the foamed nickel after natural cooling to room temperature, wash it with deionized water, and dry it in a vacuum oven at 60°C. The dried nickel foam is loaded into the quartz ark and pushed into the downstream position of the central hot zone of the tube furnace; in addition, 1.06gNaH is weighed 2 PO 2 ·H 2 Put O into another quartz ark, push it into the upstream position of the central hot zone of the tube furnace, and seal the flange; the argon gas is measured by a rotameter (the argon flow rate is 0.080L min -1 ) After fully mixing, enter the tube furnace; at 5℃ min -1 The tube furnace was heated to 250°C at a rate of 90°C, and treated at a constant temperature for 120 mi...

Example Embodiment

[0049] Example 3

[0050] 0.320g CH 3 CSNH 2 Add 30mL of deionized water, stir for 30 minutes to disperse evenly, place the obtained mixed solution in a steel sleeve lined with polytetrafluoroethylene, put in 2 pieces of 1 square centimeter foam nickel, and react 8 pieces in a 150 ℃ oven After hours, take out the foamed nickel after natural cooling to room temperature, wash it with deionized water, and dry it in a vacuum oven at 60°C. The dried nickel foam is loaded into the quartz ark and pushed into the downstream position of the central hot zone of the tube furnace; in addition, 1.06gNaH is weighed 2 PO 2 ·H 2 Put O into another quartz ark, push it into the upstream position of the central hot zone of the tube furnace, and seal the flange; the argon gas is measured by a rotameter (the argon flow rate is 0.080L min -1 ) After fully mixing, enter the tube furnace; at 5℃ min -1 The tube furnace was heated up to 250°C at a rate of, and kept at a constant temperature for 240 minutes...

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Abstract

The invention relates to a preparation method and application of nickel sulfide/nickel phosphide formed by epitaxial growth of a one-dimensional nano-wire on a one-dimensional nano-rod. The preparation method comprises the following steps: preparing a nickel sulfide (Ni3S2) nano-rod through a hydrothermal method; then putting the Ni3S2 nano-rod into a tubular furnace and calcining under a PH3 atmosphere; while PH3 gas with strong reducibility is used for displacing S, promoting the epitaxial growth of the nano-wire on the nano-rod; finally, obtaining a one-dimensional/one-dimensional structureassembled Ni3S2-Ni12P5 material. The material plays an important role on electro-catalytic water decomposition anode oxygen evolution reaction. The one-dimensional/one-dimensional nickel sulfide/nickel phosphide material can be used as a working electrode of electro-catalytic oxygen evolution reaction; meanwhile, the one-dimensional/one-dimensional nickel sulfide/nickel phosphide material also can be used for fields including a water electrolysis technology, solar water electrolysis for producing oxygen, carbon dioxide reduction and the like.

Description

technical field [0001] The invention relates to a nickel sulfide / nickel phosphide material assembled with a 1D / 1D nanostructure, which is a multilevel structure in which nanowires are epitaxially grown on nanorods. This product has a very important application in the electrocatalytic water splitting anode oxygen evolution process, and also has potential application value in the fields of environmental protection and clean energy. Background technique [0002] With the gradual shortage of fossil energy and the aggravation of environmental pollution, renewable energy conversion and storage technologies have attracted more researchers' attention. Electrocatalytic water splitting is an important method for producing clean energy. Due to the slow kinetic reaction process, the anodic oxygen evolution reaction (OER) greatly limits the development of this technology. Yttrium oxide (IrO 2 ) and ruthenium oxide (RuO 2 ) As a classic OER material, its high cost and scarcity prevent...

Claims

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Application Information

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IPC IPC(8): B01J27/185C25B1/04C25B11/04
CPCB01J27/1853B01J35/0033B01J35/023C25B1/04C25B11/04C25B11/069Y02E60/36
Inventor 杨化桂付怀芹刘鹏飞
Owner EAST CHINA UNIV OF SCI & TECH
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