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Preparation method for self-illumination wood capable of simultaneously storing heat energy and light energy

A heat storage and self-luminous technology, which is applied in the field of energy storage self-luminous wood preparation, can solve the problem of being unable to prepare wood that can store heat energy and light energy at the same time, and achieve good heat storage performance, high feasibility, and wide-ranging sources.

Active Publication Date: 2018-11-02
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention solves the existing problem that it is impossible to prepare wood that can store heat energy and light energy at the same time, and thus provides a method for preparing self-luminous wood that stores heat energy and light energy at the same time

Method used

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  • Preparation method for self-illumination wood capable of simultaneously storing heat energy and light energy

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specific Embodiment approach 1

[0024] Specific Embodiment 1: A method for preparing self-luminous wood that simultaneously stores heat energy and light energy in this embodiment is carried out according to the following steps:

[0025] 1. Immerse the wood in the mixed solution of sodium hydroxide and sodium sulfite, heat it to boiling for 6h-12h, then take it out and wash it with deionized water for 3-5 times to obtain delignified wood;

[0026] The concentration of sodium hydroxide in the mixed solution of sodium hydroxide and sodium sulfite is 2mol / L~5mol / L; the concentration of sodium sulfite in the mixed solution of sodium hydroxide and sodium sulfite is 0.1mol / L~1mol / L ;

[0027] 2. Immerse the delignified wood in a hydrogen peroxide solution with a concentration of 2mol / L to 5mol / L for bleaching, and heat it to boiling for 2h to 4h to obtain bleached wood;

[0028] 3. Mix the rare earth aluminate luminescent material and the melted phase change material at a temperature of 45°C to 70°C to obtain a mi...

specific Embodiment approach 2

[0033] Embodiment 2: This embodiment is different from Embodiment 1 in that the wood described in step 1 is pine, birch, catalpa, red oak, white oak, oak, ash, elm or poplar. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0034] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is that the melted phase change material described in step three is melted paraffin, melted polyethylene glycol or melted fatty alcohol. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a preparation method for self-illumination wood capable of simultaneously storing heat energy and light energy, relates to a preparation method for the energy-storage self-illumination wood, and aims to solve the problem that the wood capable of simultaneously storing heat energy and light energy cannot be prepared at present. The method comprises the following steps: 1, dipping the wood into mixed solution of sodium hydroxide and sodium sulfite, heating to the boiling point, and washing to obtain delignify wood; 2, dipping the delignify wood into hydrogen peroxide solution to be bleached to obtain the bleached wood; 3, mixing rare earth aluminate illumination materials with a molten phase change material to obtain the mixture of the rare earth aluminate illumination material and the phase change material, dipping the bleached wood into the mixture of the rare earth aluminate illumination material and the phase change material to be kept, and obtaining the self-illumination wood capable of simultaneously storing heat energy and light energy. The invention discloses the preparation method for the self-illumination wood capable of simultaneously storing the heat energy and the light energy.

Description

technical field [0001] The invention relates to a method for preparing energy-storing self-luminous wood. Background technique [0002] Due to the continuous reduction of non-renewable energy sources such as fossils, and the intermittent nature of new energy sources such as solar energy, wind energy, and tidal energy, it cannot meet the growing needs of people. And people's energy consumption in terms of light energy and heat energy accounts for nearly 50% of the total consumption, so the development of energy storage materials that can store heat energy and light energy is becoming more and more important in the process of energy application and development. Phase change energy storage materials have attracted extensive attention because of their good thermal storage capacity. At present, many researchers are focusing on the preparation of phase change energy storage composite materials. For example, Beijing Institute of Technology has prepared smart fibers with energy sto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/04B27K3/50B27K5/04C09K5/14C09K11/64
Inventor 王成毓杨海月
Owner NORTHEAST FORESTRY UNIVERSITY
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