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Preparation method of spinel type iron-cobalt-chromium-manganese-nickel high-entropy oxide powder
The invention discloses a preparation method of spinel type iron-cobalt-chromium-manganese-nickel high-entropy oxide powder, and belongs to the field of high-entropy oxide powder materials. The preparation process provided by the invention comprises the following steps: ; the preparation method comprises the following steps: ball-milling and mixing Cr2O3, Fe2O3, Co2O3, MnO2 and NiO raw material powder according to a molar ratio of 1: 1: 1: 2: 2; and heating to 800-1000 DEG C, calcining for 1-3 hours, and cooling to room temperature along with the furnace to obtain the (FeCoCrMnNi) 3O4 high-entropy oxide powder with the single spinel structure. The preparation method of the spinel type (FeCoCrMnNi) 3O4 high-entropy oxide powder has the advantages of being low in equipment requirement, simple in operation process, short in production period, low in energy consumption, low in cost, capable of achieving industrial production easily and the like. And the prepared (FeCoCrMnNi) 3O4 high-entropy oxide powder is single in phase, high in purity, relatively small in particle size and uniform in distribution, and can be widely applied to the fields of lithium ion battery electrodes, supercapacitor electrodes, water electrolysis hydrogen production and other novel energy materials.
本发明公开了一种尖晶石型铁钴铬锰镍系高熵氧化物粉体的制备方法，属于高熵氧化物粉体材料领域。本发明的制备工艺步骤为：将CrO、FeO、CoO、MnO、NiO原料粉末按摩尔比1∶1∶1∶2∶2球磨混合，之后加热至800～1000℃煅烧1～3小时，而后随炉却至室温，即可得到具有单一尖晶石结构的(FeCoCrMnNi)O高熵氧化物粉体。本发明提供的尖晶石型(FeCoCrMnNi)O高熵氧化物粉体的制备方法具有设备要求低、操作过程简单、生产周期短、能耗低、成本低廉以及容易实现工业化生产等诸多优点，且制得的(FeCoCrMnNi)O高熵氧化物粉体物相单一、纯度高、粒径较小且分布均匀，可广泛应用于锂离子电池电极、超级电容器电极、电解水制氢等新型能源材料领域。
Preparation method of spinel type iron-cobalt-chromium-manganese-nickel high-entropy oxide powder
The invention discloses a preparation method of spinel type iron-cobalt-chromium-manganese-nickel high-entropy oxide powder, and belongs to the field of high-entropy oxide powder materials. The preparation process provided by the invention comprises the following steps: ; the preparation method comprises the following steps: ball-milling and mixing Cr2O3, Fe2O3, Co2O3, MnO2 and NiO raw material powder according to a molar ratio of 1: 1: 1: 2: 2; and heating to 800-1000 DEG C, calcining for 1-3 hours, and cooling to room temperature along with the furnace to obtain the (FeCoCrMnNi) 3O4 high-entropy oxide powder with the single spinel structure. The preparation method of the spinel type (FeCoCrMnNi) 3O4 high-entropy oxide powder has the advantages of being low in equipment requirement, simple in operation process, short in production period, low in energy consumption, low in cost, capable of achieving industrial production easily and the like. And the prepared (FeCoCrMnNi) 3O4 high-entropy oxide powder is single in phase, high in purity, relatively small in particle size and uniform in distribution, and can be widely applied to the fields of lithium ion battery electrodes, supercapacitor electrodes, water electrolysis hydrogen production and other novel energy materials.
本发明公开了一种尖晶石型铁钴铬锰镍系高熵氧化物粉体的制备方法，属于高熵氧化物粉体材料领域。本发明的制备工艺步骤为：将CrO、FeO、CoO、MnO、NiO原料粉末按摩尔比1∶1∶1∶2∶2球磨混合，之后加热至800～1000℃煅烧1～3小时，而后随炉却至室温，即可得到具有单一尖晶石结构的(FeCoCrMnNi)O高熵氧化物粉体。本发明提供的尖晶石型(FeCoCrMnNi)O高熵氧化物粉体的制备方法具有设备要求低、操作过程简单、生产周期短、能耗低、成本低廉以及容易实现工业化生产等诸多优点，且制得的(FeCoCrMnNi)O高熵氧化物粉体物相单一、纯度高、粒径较小且分布均匀，可广泛应用于锂离子电池电极、超级电容器电极、电解水制氢等新型能源材料领域。
Preparation method of spinel type iron-cobalt-chromium-manganese-nickel high-entropy oxide powder
一种尖晶石型铁钴铬锰镍系高熵氧化物粉体的制备方法
LIANG BINGLIANG (author) / YANG SHUWEI (author) / CHEN WEIHUA (author) / ZHANG JIANJUN (author) / HE WEN (author) / OUYANG SHENG (author) / LIU CHANGHONG (author) / WANG YILIANG (author) / CHENG PEIDONG (author) / AI YUNLONG (author)
2020-06-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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