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Micro-nano material, preparation method thereof, and battery

A micro-nano and nano-particle technology, applied in battery electrodes, nano-technology, nano-technology, etc., can solve the problems of nano-particle activity instability, and achieve the effect of avoiding product purity, preventing reaction speed from being too fast, and wide applicability.

Active Publication Date: 2016-11-23
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0003] In order to overcome the problem of high instability of nanoparticle activity, the present invention provides a stable micro-nano material and its preparation method, and a battery using the micro-nano material

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  • Micro-nano material, preparation method thereof, and battery
  • Micro-nano material, preparation method thereof, and battery
  • Micro-nano material, preparation method thereof, and battery

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0030] The particle diameter of the nanoparticles described below in the present invention is 1nm-100nm; the particle diameter of the submicron particles is 100nm-1um; the particle diameter of the micro-nano material is 100nm-200um.

[0031] see figure 1 , the first embodiment of the present invention provides a method for preparing micro-nano materials, which includes the following steps: step S11, preparation of submicron particles; step S12, preparation of polymer-coated submicron particles using the submicron particles provided by S11, and the steps S13, preparation of carbon-...

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Abstract

The invention relates to a method for preparing a micro-nano material. The method comprises the following steps: providing submicron particles; adding a prepolymer monomer solution having a carbon content of 50% or more and an initiator to the submicron particles to obtain polymer-coated submicron particles, wherein one of the prepolymer monomer solution having the carbon content of 50% or more and the initiator is respectively added; and sintering the polymer-coated submicron particles to prepare a micro-nano material of carbon-coated nanoparticles. The invention relates to a micro-nano material prepared by the method, and a battery prepared by the micro-nano material. The micro-nano material prepared by the method has the advantage that a carbon structure with stable properties can be coated on the surface of the nanoparticle so as to solve the problem of the instability of the nanoparticle.

Description

【Technical field】 [0001] The invention relates to the field of preparation of nanometer materials, in particular to a micronanomaterial, a preparation method thereof, and a battery. 【Background technique】 [0002] Nanoparticles are a new type of material that emerged in the late 20th century. The size of the powder is usually between 1nm and 100nm. Due to the macroscopic quantum tunneling effect, quantum size effect, and surface and interface effects, many properties of the substance change, showing different The singular properties of magnetism, light, electricity, sound, heat, force and chemistry of macroscopic objects and individual atoms. However, due to the characteristics of high activity and easy aggregation of nanoparticles, the application of nanoparticles is severely limited, mainly including that nanoparticles are prone to flammability and explosion during storage and transportation; reaction, making it inactive. Therefore, finding nanoparticles that can exist s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/36H01M4/583H01M4/62B82Y30/00
CPCB82Y30/00H01M4/366H01M4/583H01M4/625Y02E60/10
Inventor 吴露胡琮瑾伍芳向勇刘凡方正
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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