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a kind of nh 2 Preparation of -uio-66@tppa-1 composite material and hydrogen production by photolysis of water

A technology of NH2-UIO-66 and composite materials, which is applied in hydrogen/synthesis gas production, organic compound/hydride/coordination complex catalyst, hydrogen, etc. The effect of improving the performance of photo-splitting water for hydrogen production

Inactive Publication Date: 2020-01-10
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low hydrogen production efficiency of existing materials by photolysis of water, and provide a kind of NH 2 - Preparation method of UIO-66@TpPa-1 composite material

Method used

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  • a kind of nh <sub>2</sub> Preparation of -uio-66@tppa-1 composite material and hydrogen production by photolysis of water
  • a kind of nh <sub>2</sub> Preparation of -uio-66@tppa-1 composite material and hydrogen production by photolysis of water
  • a kind of nh <sub>2</sub> Preparation of -uio-66@tppa-1 composite material and hydrogen production by photolysis of water

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specific Embodiment approach 1

[0021] Specific embodiment one: a kind of NH in this embodiment 2 - The preparation of the UIO-66@TpPa-1 composite was accomplished as follows:

[0022] 1. NH 2 - Preparation of UIO-66;

[0023] 2. NH 2 -Preparation of UIO-66@TpPa-1 composite: NH 2 -UIO-66, 1,3,5-trialdehyde phloroglucinol and p-phenylenediamine were added to a heat-resistant glass tube, followed by 1,3,5-trimethylbenzene and 1,4-dioxane The mixed solution of acetic acid and acetic acid is ultrasonically treated at an ultrasonic frequency of 35~45KHz for 20~30min, degassed by three freeze-thaw cycles in a liquid nitrogen bath, sealed and heated at 120°C for 24~96h, filtered and washed with tetrahydrofuran Three times, dry to get NH 2 - UIO-66@TpPa-1 composite material;

[0024] NH mentioned in step 2 2 - The mass ratio of UIO-66, 1,3,5-trialdehyde phloroglucinol and p-phenylenediamine is 1:1.15:0.85;

[0025] The volume ratio of 1,3,5-trimethylbenzene, 1,4-dioxane and acetic acid in step 2 is 1:1:0.33;...

specific Embodiment approach 2

[0028] Embodiment 2: This embodiment differs from Embodiment 1 in that: in step 2, ultrasonic treatment is performed for 20 minutes at an ultrasonic frequency of 35 KHz, and other steps and parameters are the same as Embodiment 1.

specific Embodiment approach 3

[0029] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that in Step 2, ultrasonic treatment is performed for 30 minutes at an ultrasonic frequency of 35 KHz, and other steps and parameters are the same as Embodiment 1 or 2.

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Abstract

a NH 2 Preparation of ‑UIO‑66@TpPa‑1 composite material and photolysis of water for hydrogen production, involving a kind of NH 2 Preparation of ‑UIO‑66@TpPa‑1 composite material and hydrogen production by photolysis of water. The invention provides a novel composite material NH 2 ‑UIO‑66@TpPa‑1, the purpose is to solve the problem of low hydrogen production efficiency of existing materials used for photolysis of water to produce hydrogen. Method: 1. NH 2 Preparation of ‑UIO‑66; 2. NH 2 Preparation of ‑UIO‑66@TpPa‑1 composites. The preparation process of the present invention is simple and effective, the consumption of reagents is less and the yield is high; and the photocatalyst provided by the present invention can effectively improve the NH 2 ‑UIO‑66 The problem of low efficiency of hydrogen production by photolysis of water. The invention is applied in the field of hydrogen production by photocatalytic hydrolysis. Experiments show that the composite material has excellent hydrogen production performance by photolysis of water, and its hydrogen production rate can reach 164μmol·g ‑1 h ‑1 .

Description

technical field [0001] The present invention relates to a kind of NH 2 - Preparation of UIO-66@TpPa-1 composite material and hydrogen production by photolysis of water. Background technique [0002] Since the 21st century, energy shortage and environmental pollution have become common problems faced by people all over the world, and the development of new energy has become an unavoidable topic. Resources such as solar energy and wind energy have been continuously developed and utilized, and hydrogen energy is Large amount, twice the heat output of fossil fuels, clean and pollution-free, and other excellent characteristics have attracted people's attention and research. There are many ways to generate hydrogen energy, such as: hydrogen production from organic waste, continuous large-scale hydrogen production by using microalgae, hydrogen production from plant raw materials, and hydrogen production by photolysis of water, among which solar energy is used to produce hydrogen b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/22C01B3/04
CPCC01B3/042B01J31/1691C01B2203/0277C01B2203/1088B01J2531/48B01J2531/0213B01J35/39Y02E60/36
Inventor 张凤鸣盛敬莉孙晓君
Owner HARBIN UNIV OF SCI & TECH
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