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MoO2-Ni/CC composite material of hydrogen evolution electrocatalyst, and preparation method

A composite material and electrocatalyst technology applied in the field of hydrogen energy to achieve excellent electrocatalytic hydrogen evolution performance, simple preparation method and long service life

Active Publication Date: 2019-12-20
华氢(广东)新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most non-precious metal catalysts can only work under acidic or basic conditions.

Method used

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  • MoO2-Ni/CC composite material of hydrogen evolution electrocatalyst, and preparation method
  • MoO2-Ni/CC composite material of hydrogen evolution electrocatalyst, and preparation method
  • MoO2-Ni/CC composite material of hydrogen evolution electrocatalyst, and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Follow the steps below to prepare MoO 2 -Ni / CC composite material:

[0027] (1) Treatment of carbon cloth: Cut the carbon cloth into a size of 1x1.5 cm, then ultrasonically wash it in 0.5 mol / L sulfuric acid solution, deionized water and ethanol for 5 minutes, cycle wash three times, and dry it naturally for later use.

[0028] (2) Preparation of nickel nitrate solution: Weigh 1.16 g of nickel nitrate hexahydrate and dissolve it in 40 mL of deionized water, sonicate for 10 minutes, and prepare a 0.1 mol / L nickel nitrate solution for later use.

[0029] (3) Electrodeposition of nickel: The electrodeposition equipment is the French Bio-Logic VMP3 multi-channel electrochemical workstation, with carbon cloth as the working electrode, platinum sheet as the counter electrode, and a saturated calomel electrode as the reference electrode. Among them, using the configured nickel nitrate solution as the electroplating solution, at -10 mA / cm 2 Electrodeposition was carried out f...

Embodiment 2

[0041] Follow the steps below to prepare MoO 2 -Ni / CC composite material:

[0042] (1) Treatment of carbon cloth: Cut the carbon cloth into a size of 1x1.5 cm, then ultrasonically wash it in 0.5 mol / L sulfuric acid solution, deionized water and ethanol for 5 minutes, cycle wash three times, and dry it naturally for later use.

[0043] (2) Preparation of nickel nitrate solution: Weigh 1.16 g of nickel nitrate hexahydrate and dissolve it in 40 mL of deionized water, sonicate for 10 minutes, and prepare a 0.1 mol / L nickel nitrate solution for later use.

[0044] (3) Electrodeposition of nickel: The electrodeposition equipment is the French Bio-Logic VMP3 multi-channel electrochemical workstation, with carbon cloth as the working electrode, platinum sheet as the counter electrode, and a saturated calomel electrode as the reference electrode. Among them, using the configured nickel nitrate solution as the electroplating solution, at -10 mA / cm 2 Electrodeposition was carried out f...

Embodiment 3

[0052] Follow the steps below to prepare MoO 2 -Ni / CC composite material,

[0053] (1) Treatment of carbon cloth: Cut the carbon cloth into a size of 1x1.5 cm, then ultrasonically wash it in 0.5 mol / L sulfuric acid solution, deionized water and ethanol for 5 minutes, cycle wash three times, and dry it naturally for later use.

[0054] (2) Preparation of nickel nitrate solution: Weigh 1.16 g of nickel nitrate hexahydrate and dissolve it in 40 mL of deionized water, sonicate for 10 minutes, and prepare a 0.1 mol / L nickel nitrate solution for later use.

[0055] (3) Electrodeposition of nickel: The electrodeposition equipment is the French Bio-Logic VMP3 multi-channel electrochemical workstation, with carbon cloth as the working electrode, platinum sheet as the counter electrode, and a saturated calomel electrode as the reference electrode. Among them, using the configured nickel nitrate solution as the electroplating solution, at -10 mA / cm 2 Electrodeposition was carried out f...

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Abstract

The invention relates to the technical field of electrocatalytic water decomposition, specially to a MoO2-Ni / CC composite material of a hydrogen evolution electrocatalyst, and a preparation method, wherein electro-deposition, hydrothermal reaction and reduction treatment are sequentially performed to obtain the MoO2-Ni / CC composite material. According to the invention, the preparation method is simple; and simple electro-deposition and hydrothermal reaction are performed on a carbon cloth, and then reduction treatment is performed to obtain the MoO2-Ni / CC composite material, wherein the obtained MoO2-Ni / CC composite material has excellent electro-catalytic hydrogen evolution performances under acidic, alkaline and neutral conditions and is long in service life.

Description

technical field [0001] The invention relates to the technical field of hydrogen energy, in particular to MoO as a hydrogen evolution electrocatalyst 2 -Ni / CC composite material and preparation method. Background technique [0002] With the development of the economy, the demand for energy is gradually increasing, and the massive consumption of traditional energy (coal, oil, natural gas, etc.) has caused serious environmental pollution. In order to create a better living environment, the development of green, environmentally friendly and renewable new energy sources to replace traditional energy sources has become a top priority for social and economic development. In recent years, hydrogen energy (H 2 ) has attracted extensive attention due to its high combustion energy density, non-polluting combustion products and wide range of sources. Among the many current hydrogen production technologies, electrocatalytic water splitting to produce hydrogen is one of the most widely...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/883C25B1/04C25B11/06
CPCB01J23/883C25B1/04C25B11/04B01J35/33Y02E60/36
Inventor 杨秀林王本志
Owner 华氢(广东)新能源科技有限公司
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