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Preparation method of six-membered spinel type iron-cobalt-chromium-manganese-magnesium-copper high-entropy oxide and powder thereof
The invention discloses a preparation method of a six-membered spinel type iron-cobalt-chromium-manganese-magnesium-copper high-entropy oxide and powder thereof, and belongs to the field of high-entropy oxide powder materials. The chemical formula of the high-entropy oxide is (FeCoCrMnMgCu)3O4, the crystal structure of the high-entropy oxide is a face-centered cubic structure, and the space pointgroup of the high-entropy oxide is Fd-3m. The preparation method comprises following steps: firstly, ball-milling and uniformly mixing Fe2O3 powder, Cr2O3 powder, Co2O3 powder, MnO2 powder, MgO powderand CuO powder according to a molar ratio of 1: 1: 1: 2: 1: 1; drying, sieving, sintering for 1-3 hours at 800-1000 DEG C in a muffle furnace, calcining, and cooling in the furnace to the room temperature to obtain the single-phase spinel structure (FeCoCrMnMgCu)3O4 high-entropy oxide powder material. 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 super capacitor electrodes, lithium ion battery electrodes, water electrolysis 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镁铜系高熵氧化物及其粉体制备方法,属于高熵氧化物粉体材料领域。所述高熵氧化物化学式为(FeCoCrMnMgCu)O,其晶体结构为面心立方结构,空间点群为Fd‑3m。首先将FeO、CrO、CoO、MnO、MgO和CuO粉末按摩尔比1∶1∶1∶2∶1∶1球磨混合均匀,经过干燥、过筛后在马弗炉中进行800~1000℃保温1~3小时的烧结,煅烧后炉冷至室温,得到单相尖晶石结构(FeCoCrMnMgCu)O高熵氧化物粉体材料。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-magnesium-copper high-entropy oxide and powder thereof
The invention discloses a preparation method of a six-membered spinel type iron-cobalt-chromium-manganese-magnesium-copper high-entropy oxide and powder thereof, and belongs to the field of high-entropy oxide powder materials. The chemical formula of the high-entropy oxide is (FeCoCrMnMgCu)3O4, the crystal structure of the high-entropy oxide is a face-centered cubic structure, and the space pointgroup of the high-entropy oxide is Fd-3m. The preparation method comprises following steps: firstly, ball-milling and uniformly mixing Fe2O3 powder, Cr2O3 powder, Co2O3 powder, MnO2 powder, MgO powderand CuO powder according to a molar ratio of 1: 1: 1: 2: 1: 1; drying, sieving, sintering for 1-3 hours at 800-1000 DEG C in a muffle furnace, calcining, and cooling in the furnace to the room temperature to obtain the single-phase spinel structure (FeCoCrMnMgCu)3O4 high-entropy oxide powder material. 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 super capacitor electrodes, lithium ion battery electrodes, water electrolysis 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镁铜系高熵氧化物及其粉体制备方法,属于高熵氧化物粉体材料领域。所述高熵氧化物化学式为(FeCoCrMnMgCu)O,其晶体结构为面心立方结构,空间点群为Fd‑3m。首先将FeO、CrO、CoO、MnO、MgO和CuO粉末按摩尔比1∶1∶1∶2∶1∶1球磨混合均匀,经过干燥、过筛后在马弗炉中进行800~1000℃保温1~3小时的烧结,煅烧后炉冷至室温,得到单相尖晶石结构(FeCoCrMnMgCu)O高熵氧化物粉体材料。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-magnesium-copper high-entropy oxide and powder thereof
一种六元尖晶石型铁钴铬锰镁铜系高熵氧化物及其粉体制备方法
LIANG BINGLIANG (Autor:in) / YANG SHUWEI (Autor:in) / CHEN WEIHUA (Autor:in) / ZHANG JIANJUN (Autor:in) / HE WEN (Autor:in) / OUYANG SHENG (Autor:in) / LIU CHANGHONG (Autor:in) / WANG YILIANG (Autor:in) / CHENG PEIDONG (Autor:in) / AI YUNLONG (Autor:in)
05.06.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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