Cu-doped bismuth sulfide material as well as preparation method and application thereof

A bismuth chloride and raw material technology, applied in the field of Bi2S3 materials, to achieve the effect of improving electrocatalytic activity, simple process conditions, and low cost

Pending Publication Date: 2022-06-17
FUZHOU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Nevertheless, their low current density (j) and high overpotential are st

Method used

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  • Cu-doped bismuth sulfide material as well as preparation method and application thereof
  • Cu-doped bismuth sulfide material as well as preparation method and application thereof
  • Cu-doped bismuth sulfide material as well as preparation method and application thereof

Examples

Experimental program
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Example Embodiment

[0026] Example 1

[0027] Put 0.01 g of copper chloride dihydrate and 0.121 g of bismuth chloride in a 250 mL beaker, add 150 mL of deionized water, and then add 8 mL of concentrated hydrochloric acid (37% by mass), stir to make it clear solution, then add 0.687g of thioacetamide, stir vigorously for 20 minutes, then place it in a polytetrafluoroethylene hydrothermal reactor, and then place the reactor in an oven and keep it at 160 °C for 6 hours. The obtained samples were washed with ethanol, centrifuged three times, and vacuum dried to obtain Cu / Bi 2 S 3 .

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Abstract

The invention discloses a Cu-doped bismuth sulfide material as well as a preparation method and application thereof. The Cu-doped Bi2S3 material is prepared from copper chloride dihydrate, thioacetamide and bismuth chloride through a hydrothermal method, and the Cu-doped Bi2S3 material has higher catalytic activity and has innovative significance when being applied to an electro-catalysis carbon dioxide reaction. The method has great research and application potential in the field of electro-catalysis.

Description

technical field [0001] The invention belongs to the field of material preparation and electrocatalysis, and specifically proposes a Cu-doped Bi for electrocatalysis of carbon dioxide 2 S 3 Material. Background technique [0002] In order to meet the growing energy demand, the use of carbon-based fuels is increasing, resulting in excessive carbon dioxide emissions in the atmosphere and inevitably causing environmental problems such as the global greenhouse effect. So far, strategies such as photocatalysis, thermocatalysis, and chemical catalysis have been used to deal with excessive carbon dioxide emissions. When harnessing electricity from renewable energy sources, electrochemical CO 2 reduction reaction (CO 2 RR) are of particular interest to sustainably reduce atmospheric CO 2 level, reduce the greenhouse gas effect, and at the same time reduce CO 2 into value-added industrial products. However, CO 2 Molecular inertness, slow multiple electron transfer kinetics and...

Claims

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Application Information

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IPC IPC(8): C25B11/091C25B3/26C25B3/07
CPCC25B11/091C25B3/07C25B3/26
Inventor 钟升红徐鑫于岩
Owner FUZHOU UNIVERSITY
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