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Application of solid-solution type sodium zirconate titanate micro/nanobelt powdery material

A technology of sodium titanate zirconate and nanobelt, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of inability to obtain powdery materials, difficulty in mass production, and high cost, and improve the The effect of material utilization rate, production cost reduction and activity improvement

Active Publication Date: 2014-03-26
福建国锆新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Although our group has solved the problem of preparing solid-solution titanate materials in the patent "Titanium-Zirconium Solid Solution Micro / Nano Thin Film on Amorphous Metal Surface and Its Preparation Method" (application number: 201110153429.0), but because the prepared titanium-zirconium The solid solution micro / nano thin film is a film-like product, which has limitations and deficiencies such as limited photocatalytic activity, non-recyclable amorphous metal substrate, and a single substrate material for preparation. Difficulties such as complexity and difficulty in mass production, especially the inability to obtain completely single and pure powdered materials
In addition, during the transformation process, the microstructure and organization of the original film-like product will be destroyed, which will reduce the photocatalytic performance of the product and increase the preparation cost.
Therefore, there are problems in the preparation of solid-solution titanate powder in the prior art, such as limited types of raw materials and low utilization rate, low purity and low photocatalytic performance of the prepared materials, difficult separation methods, difficult mass production, and high cost.

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  • Application of solid-solution type sodium zirconate titanate micro/nanobelt powdery material
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specific Embodiment approach 1

[0008] Specific embodiment one: this embodiment is a kind of preparation method of solid-solution sodium titania zirconate micro / nano belt powder material, specifically is finished according to the following steps:

[0009] 1. Put sodium hydroxide and deionized water into a closed reaction vessel, then add titanium-zirconium-based alloy powder with a diameter of 5-150 μm, and react at a temperature of 110°C-190°C and a pressure of 1MPa-40MPa for 3- 200 hours, then naturally cooled to room temperature to obtain a reaction product mixed system; 2, add deionized water to the reaction product mixed system prepared in step 1, adjust the pH value of the reaction product mixed system prepared in step 1 to neutrality, and then Separate the precipitate at the bottom of the closed reaction vessel, and dry the separated precipitate at a temperature of 50°C to 90°C to a constant weight to obtain titanium-zirconium with solid-solution sodium titanium zirconate micro / nano ribbons grown on th...

specific Embodiment approach 2

[0039] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the titanium-zirconium-based alloy powder described in Step 1 is prepared from industrially pure raw materials by industrial gas atomization. Others are the same as in the first embodiment.

[0040] In this embodiment, the preparation of titanium-zirconium-based alloy powder by using an industrial gas atomization method and industrially pure raw materials has the advantages of no pollution and low cost.

specific Embodiment approach 3

[0041] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the mass ratio of titanium to zirconium in the titanium-zirconium-based alloy powder described in step 1 is (0.2-30):1. Others are the same as in the first or second embodiment.

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Abstract

The invention relates to application of a solid-solution type sodium zirconate titanate micro / nanobelt material, particularly application of a solid-solution type sodium zirconate titanate micro / nanobelt powdery material. The invention provides application of the solid-solution type sodium zirconate titanate micro / nanobelt material and realizes cycle use. 0.1g of the solid-solution type sodium zirconate titanate micro / nanobelt material prepared by the application generates 7-11mumol of hydrogen for each hour. The solid-solution type sodium zirconate titanate micro / nanobelt powdery material is used for photocatalyst for hydrogen production.

Description

technical field [0001] The invention relates to the application of a solid-solution sodium titanium zirconate micro / nano belt material. Background technique [0002] Energy issues and high-efficiency solar energy conversion materials are one of the research focuses of nanomaterials in the 21st century, and nano-titanate materials are a type of semiconductor metal compound with high photocatalytic hydrogen production activity, which has the potential to be used as a new energy material. huge potential advantage. In addition, due to its unique physical and chemical properties, nano-titanate materials also have important application prospects in the fields of gas adsorption, degradation of harmful ions and pollutants, and ion batteries. The performance and application of titanate materials depend on their microstructure, particle size and specific surface area are also key factors affecting their performance. Due to its unique one-dimensional structure and large specific surf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G25/00B82Y30/00B82Y40/00
Inventor 沈军王东君李中华黄永江冯艾寒
Owner 福建国锆新材料科技有限公司
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