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The invention relates to a CoMn metal oxide electromagnetic wave absorbing material and a preparation method and application thereof, the composition of the CoMn metal oxide electromagnetic wave absorbing material is Co < 3-x > Mn < x > O < 4 >, xlt; 3; comprising the following steps: preparing raw materials from a cobalt source, a manganese source, urea and ammonium persulfate according to a molar ratio, and dissolving the raw materials in deionized water to obtain a metal salt solution; carrying out hydrothermal reaction; centrifugally washing, drying and grinding; and calcining to obtain the CoMn metal oxide electromagnetic wave absorbing material. Compared with the prior art, the prepared CoMn metal oxide has excellent electromagnetic performance, by doping a proper amount of Mn element, the CoMn metal oxide occupies Co atoms and vacancies of Co3O4 crystals, formation of heterogeneous phases and defects is induced, the dielectric performance of the CoMn metal oxide is optimized, the electromagnetic wave absorption performance of the CoMn metal oxide is finally adjusted, and the wave absorption performance of the CoMn metal oxide is improved; the preparation process is simple and easy to implement, the metal oxide material with excellent and stable electromagnetic wave absorption performance can be prepared through simple hydrothermal reaction and calcination processes, and the metal oxide material has great application prospects.
本发明涉及一种CoMn金属氧化物电磁波吸收材料及其制备方法与应用，CoMn金属氧化物电磁波吸收材料的组成为Co3‑xMnxO4，其中0
The invention relates to a CoMn metal oxide electromagnetic wave absorbing material and a preparation method and application thereof, the composition of the CoMn metal oxide electromagnetic wave absorbing material is Co < 3-x > Mn < x > O < 4 >, xlt; 3; comprising the following steps: preparing raw materials from a cobalt source, a manganese source, urea and ammonium persulfate according to a molar ratio, and dissolving the raw materials in deionized water to obtain a metal salt solution; carrying out hydrothermal reaction; centrifugally washing, drying and grinding; and calcining to obtain the CoMn metal oxide electromagnetic wave absorbing material. Compared with the prior art, the prepared CoMn metal oxide has excellent electromagnetic performance, by doping a proper amount of Mn element, the CoMn metal oxide occupies Co atoms and vacancies of Co3O4 crystals, formation of heterogeneous phases and defects is induced, the dielectric performance of the CoMn metal oxide is optimized, the electromagnetic wave absorption performance of the CoMn metal oxide is finally adjusted, and the wave absorption performance of the CoMn metal oxide is improved; the preparation process is simple and easy to implement, the metal oxide material with excellent and stable electromagnetic wave absorption performance can be prepared through simple hydrothermal reaction and calcination processes, and the metal oxide material has great application prospects.
本发明涉及一种CoMn金属氧化物电磁波吸收材料及其制备方法与应用，CoMn金属氧化物电磁波吸收材料的组成为Co3‑xMnxO4，其中0
CoMn metal oxide electromagnetic wave absorbing material and preparation method and application thereof
一种CoMn金属氧化物电磁波吸收材料及其制备方法与应用
2024-11-15
Patent
Electronic Resource
Chinese
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