Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of six-membered spinel type iron-cobalt-chromium-manganese-copper-zinc high-entropy oxide and powder thereof
The invention discloses a preparation method of a six-membered spinel type iron-cobalt-chromium-manganese-copper-zinc high-entropy oxide and powder thereof, and belongs to the field of high-entropy oxide ceramic powder materials. The chemical formula of the high-entropy oxide is (FeCoCrMnCuZn)3O4, the crystal structure of the high-entropy oxide is a face-centered cubic structure, and the space point group of the high-entropy oxide is Fd-3m. The preparation process comprises the following steps of: mixing Fe2O3, Cr2O3, Co2O3, MnO2, CuO and ZnO powder, and performing ball-milling, and carrying out drying and sieving on the ball-milled powder; and then performing calcining and heating to 800-1000DEG C in a muffle furnace for 1-3h, and then conducting furnace cooling to room temperature so asto obtain the spinel structure single-phase high-entropy oxide ceramic powder. The preparation method has the advantages of low cost, short production period, industrial production, simple operation process, low energy consumption and the like, and the prepared powder is high in purity, small in particle size and uniform in distribution, and can be widely applied to the fields of supercapacitor electrodes, lithium ion battery electrodes, water electrolysis for hydrogen production and other novel energy materials.
本发明公开了一种六元尖晶石型铁钴铬锰铜锌系高熵氧化物及其粉体制备方法，属于高熵氧化物陶瓷粉体材料领域。所述高熵氧化物化学式为(FeCoCrMnCuZn)O，其晶体结构为面心立方结构，空间点群为Fd‑3m。本发明的制备工艺步骤为：将FeO、CrO、CoO、MnO、CuO和ZnO粉末混合球磨，将球磨完的粉体经过干燥、过筛；然后在马弗炉中煅烧加热至800～1000℃，煅烧时间为1～3小时，煅烧后炉冷至室温，得到尖晶石结构的单相高熵氧化物陶瓷粉体。本发明中的制备方法具有成本低廉、生产周期短、可工业化生产、操作过程简单和能耗低等优点，且制得的粉末纯度高、粒径较小且分布均匀，可广泛应用于超级电容器电极、锂离子电池电极、电解水制氢等新型能源材料领域。
Preparation method of six-membered spinel type iron-cobalt-chromium-manganese-copper-zinc high-entropy oxide and powder thereof
The invention discloses a preparation method of a six-membered spinel type iron-cobalt-chromium-manganese-copper-zinc high-entropy oxide and powder thereof, and belongs to the field of high-entropy oxide ceramic powder materials. The chemical formula of the high-entropy oxide is (FeCoCrMnCuZn)3O4, the crystal structure of the high-entropy oxide is a face-centered cubic structure, and the space point group of the high-entropy oxide is Fd-3m. The preparation process comprises the following steps of: mixing Fe2O3, Cr2O3, Co2O3, MnO2, CuO and ZnO powder, and performing ball-milling, and carrying out drying and sieving on the ball-milled powder; and then performing calcining and heating to 800-1000DEG C in a muffle furnace for 1-3h, and then conducting furnace cooling to room temperature so asto obtain the spinel structure single-phase high-entropy oxide ceramic powder. The preparation method has the advantages of low cost, short production period, industrial production, simple operation process, low energy consumption and the like, and the prepared powder is high in purity, small in particle size and uniform in distribution, and can be widely applied to the fields of supercapacitor electrodes, lithium ion battery electrodes, water electrolysis for hydrogen production and other novel energy materials.
本发明公开了一种六元尖晶石型铁钴铬锰铜锌系高熵氧化物及其粉体制备方法，属于高熵氧化物陶瓷粉体材料领域。所述高熵氧化物化学式为(FeCoCrMnCuZn)O，其晶体结构为面心立方结构，空间点群为Fd‑3m。本发明的制备工艺步骤为：将FeO、CrO、CoO、MnO、CuO和ZnO粉末混合球磨，将球磨完的粉体经过干燥、过筛；然后在马弗炉中煅烧加热至800～1000℃，煅烧时间为1～3小时，煅烧后炉冷至室温，得到尖晶石结构的单相高熵氧化物陶瓷粉体。本发明中的制备方法具有成本低廉、生产周期短、可工业化生产、操作过程简单和能耗低等优点，且制得的粉末纯度高、粒径较小且分布均匀，可广泛应用于超级电容器电极、锂离子电池电极、电解水制氢等新型能源材料领域。
Preparation method of six-membered spinel type iron-cobalt-chromium-manganese-copper-zinc high-entropy oxide and powder thereof
一种六元尖晶石型铁钴铬锰铜锌系高熵氧化物及其粉体制备方法
ZHANG JIANJUN (Autor:in) / XIA WUYANG (Autor:in) / LIANG BINGLIANG (Autor:in) / CHEN WEIHUA (Autor:in) / HE WEN (Autor:in) / OUYANG SHENG (Autor:in) / LIU CHANGHONG (Autor:in) / WANG YILIANG (Autor:in) / LIU JIN (Autor:in) / AI YUNLONG (Autor:in)
02.06.2020
Patent
Elektronische Ressource
Chinesisch
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