A starch-based porous hollow carbon microsphere and its preparation method
A technology of hollow carbon microspheres and carbon microspheres, which is applied in the field of starch-based porous hollow carbon microspheres and its preparation, can solve the problems of difficult batch production and popularization and application, complex preparation process, and complicated operation, and achieve reusable loss , Abundant sources of raw materials and simple preparation process
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0019] A starch-based porous hollow carbon microsphere, the shape of the carbon microsphere is spherical, the particle size of the particle is 0.5-30 μm, and the specific surface area is 300-1000 m 2 / g, the porosity is 40~70%, and the microspheres contain a large number of nanopores with a pore size of 5~200nm.
[0020] A preparation method of starch-based porous hollow carbon microspheres, the specific steps are as follows:
[0021] 1) The mass ratio of nickel to starch is 0.5~0.01, and the mass ratio of water to starch is 0.01~1. Dissolve organic nickel salt in water, add starch, and stir and mix organic nickel salt and Starch, dried at 40°C to obtain precursor powder;
[0022] 2) The precursor powder is roasted and carbonized in a nitrogen protective atmosphere, and then catalyzed and graphitized to obtain a hollow carbon microsphere composite material with catalytic metal attached;
[0023] 3) The prepared composite material was washed repeatedly with hydrochloric acid ...
Embodiment 2
[0025] A starch-based porous hollow carbon microsphere, the shape of the carbon microsphere is spherical, the particle size of the particle is 0.5-30 μm, and the specific surface area is 300-1000 m 2 / g, the porosity is 40~70%, and the microspheres contain a large number of nanopores with a pore size of 5~200nm.
[0026] A preparation method of starch-based porous hollow carbon microspheres, the specific steps are as follows:
[0027] 1) According to the ratio of organic nickel salt to starch mass ratio of 1~1, water to starch mass ratio of 1~1, dissolve organic nickel salt in water, add starch, and stir and mix organic nickel salt under the condition of constant temperature water bath Salt and starch, dried at 40°C to obtain precursor powder;
[0028] 2) The precursor powder is roasted and carbonized in a nitrogen protective atmosphere, and then catalyzed and graphitized to obtain a hollow carbon microsphere composite material with catalytic metal attached;
[0029] 3) The ...
PUM
| Property | Measurement | Unit |
|---|---|---|
| specific surface area | aaaaa | aaaaa |
| pore size | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More 
PatSnap Eureka turns technology decisions into work you can execute. Powered by our Innovation Knowledge Graph, it runs expert workflows across engineering, life sciences, materials and intellectual property. Get your review-ready output in minutes.
