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Nonlinear optical crystal material as well as preparation method and application thereof

A technology of nonlinear optics and crystal materials, applied in the growth of polycrystalline materials, chemical instruments and methods, crystal growth, etc., can solve the problems of high requirements for reaction conditions, achieve good repeatability, excellent electrochemical cycle performance, and low cost Effect

Inactive Publication Date: 2019-11-08
SHANDONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem that the high-temperature solid-phase sintering method requires high reaction conditions for the preparation of NBBF, the inventors of the present disclosure have studied numerous preparation methods, and found that NBBF can be prepared by low-temperature (below 300°C) hydrothermal synthesis

Method used

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  • Nonlinear optical crystal material as well as preparation method and application thereof
  • Nonlinear optical crystal material as well as preparation method and application thereof
  • Nonlinear optical crystal material as well as preparation method and application thereof

Examples

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Embodiment 1

[0048] (1) Configure 20mL 0.02mol·L -1 Sodium lauryl sulfate was placed in a 25mL autoclave and stirred for 5 minutes.

[0049] (2) Weigh 0.09165g H 3 BO 3 , 0.3418g BeSO 4 , 0.1492g NaF is added in the reactor in step (1), stirs on the magnetic stirrer until completely dissolving.

[0050] (3) During the stirring process of the solution in step (2), continuously drop 1mol L -1 NaOH solution was used to adjust the pH of the solution to 12, and the stirring was continued for 15 minutes to make the solution evenly mixed.

[0051] (4) Put the autoclave in which the homogeneous solution was mixed in step (3) into an oven, and react in an oven at 200° C. for 24 hours. After the reaction was stopped, cool to room temperature, static the reaction kettle, pour off the upper clear night, wash the white precipitate at the bottom with ethanol and deionized water until neutral, and centrifuge to obtain the product. The product was dried in an oven at 85°C for 24 hours to obtain the ...

Embodiment 2

[0053] (1) Configure 20mL 0.02mol·L -1 Sodium lauryl sulfate was placed in a 25mL autoclave and stirred for 5 minutes.

[0054] (2) Weigh 0.09165g H 3 BO 3 , 0.3418g BeSO 4 , 0.1492g NaF is added in the reactor in step (1), stirs on the magnetic stirrer until completely dissolving.

[0055] (3) During the stirring process of the solution in step (2), continuously drop 1mol L -1 NaOH solution was used to adjust the pH of the solution to 12, and the stirring was continued for 15 minutes to make the solution evenly mixed.

[0056] (4) Put the autoclave in which the homogeneous solution was mixed in step (3) into an oven, and react in an oven at 200° C. for 3 days. After the reaction was stopped, cool to room temperature, static the reaction kettle, pour off the upper clear night, wash the white precipitate at the bottom with ethanol and deionized water until neutral, and centrifuge to obtain the product. The product was dried in an oven at 85°C for 24 hours to obtain the no...

Embodiment 3

[0058] (1) Configure 20mL 0.02mol·L -1 Sodium lauryl sulfate was placed in a 25mL autoclave and stirred for 5 minutes.

[0059] (2) Weigh 0.09165g H 3 BO 3 , 0.3418g BeSO 4 , 0.1492g NaF is added in the reactor in step (1), stirs on the magnetic stirrer until completely dissolving.

[0060] (3) During the stirring process of the solution in step (2), continuously drop 1mol L -1 NaOH solution was used to adjust the pH of the solution to 12, and the stirring was continued for 15 minutes to make the solution evenly mixed.

[0061] (4) Put the autoclave in which the homogeneous solution was mixed in step (3) into an oven, and react in an oven at 220° C. for 24 hours. After the reaction was stopped, cool to room temperature, static the reaction kettle, pour off the upper clear night, wash the white precipitate at the bottom with ethanol and deionized water until neutral, and centrifuge to obtain the product. The product was dried in an oven at 85°C for 24 hours to obtain the ...

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Abstract

The present disclosure provides a nonlinear optical crystal material as well as a preparation method and application thereof. The preparation method comprises the following steps: preparing NBBF by adopting a low-temperature hydrothermal synthesis method, and adding a surfactant into the low-temperature hydrothermal synthesis system, wherein a ratio of the reaction time of low-temperature hydrothermal synthesis to a concentration of the surfactant is not less than 12h:0.01 mol / L. The preparation process provided by the present disclosure is simple to operate, has low costs, good repeatability,a high yield, universality and scale production value; and the nonlinear optical crystal material provided by the present disclosure has more excellent electrochemical cycle performance.

Description

technical field [0001] The disclosure belongs to the technical field of nonlinear optical crystal material preparation, and relates to a nonlinear optical crystal material, a preparation method and an application. Background technique [0002] The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art. [0003] The electrode materials of lithium-ion batteries are mostly layered structures, which are conducive to Li + Free embedding and detachment, however, with the prolongation of cycle time or improper use, the battery often bulges or even explodes. People use some technical means such as coating technology to improve the stability of battery materials. Structural unit of nonlinear optical crystal material NBBF [Be 2 BO 3 f 2 ] by a [BO 3 ] and two [BeO 3 F], and there are two forms of six-membered rings in each basic structural unit. The dihedral angle between the two planes is 14.32°, a...

Claims

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Application Information

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IPC IPC(8): C30B7/10C30B29/12H01M4/36H01M4/48H01M10/0525
CPCC30B7/10C30B29/12H01M4/362H01M4/483H01M10/0525Y02E60/10
Inventor 李志华曹国炜郄元元罗楠楠张敏
Owner SHANDONG NORMAL UNIV
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