Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a preparation method of high-entropy oxide ceramic powder for an electrode material, which comprises the following steps: step 1, sequentially adding five raw materials into a precipitant aqueous solution, and fully stirring; 2, putting the completely reacted turbid liquid into a reaction kettle, and carrying out hydrothermal treatment; 3, fully washing and drying the precursor subjected to hydrothermal treatment, transferring the precursor into a muffle furnace for high-temperature calcination, and performing high-temperature air quenching to obtain high-entropy ceramic oxide powder (Mg0. 2Co0. 2Ni0. 2Cu0. 2Zn0. 2) O; and 4, preparing the high-entropy ceramic oxide powder into an electrode, and carrying out electrochemical research through a three-electrode system. The prepared high-entropy oxide ceramic powder has a single-phase structure, and compared with a traditional preparation method, the method is simple in process, low in cost and easy for large-scale production; an electrode prepared from the high-entropy ceramic oxide powder has relatively good capacity retention ratio and relatively high rate capability, can replace an electrode material at the present stage, and is applied to various fields to promote the development of novel energy.
本发明公开了一种电极材料用高熵氧化物陶瓷粉体制备方法，包括以下步骤：步骤1：将五种原料依次加入到沉淀剂水溶液中，充分搅拌；步骤2：将完全反应的悬浊液放入反应釜中进行水热；步骤3：水热后的前驱体充分洗涤干燥转移至马弗炉中高温煅烧，经高温空气淬火得到高熵陶瓷氧化物粉体(Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)O；步骤4：将高熵陶瓷氧化物粉体制备成电极，通过三电极体系进行电化学研究。本发明制备的高熵氧化物陶瓷粉体具有单相结构，与传统的制备方法相比，该方法过程简单，成本较低，易于大规模生产；该高熵陶瓷氧化物粉体制备的电极具有较好的容量保持率、较高的倍率性能，可取代现阶段的电极材料，应用于各个领域推动新型能源的发展。
The invention discloses a preparation method of high-entropy oxide ceramic powder for an electrode material, which comprises the following steps: step 1, sequentially adding five raw materials into a precipitant aqueous solution, and fully stirring; 2, putting the completely reacted turbid liquid into a reaction kettle, and carrying out hydrothermal treatment; 3, fully washing and drying the precursor subjected to hydrothermal treatment, transferring the precursor into a muffle furnace for high-temperature calcination, and performing high-temperature air quenching to obtain high-entropy ceramic oxide powder (Mg0. 2Co0. 2Ni0. 2Cu0. 2Zn0. 2) O; and 4, preparing the high-entropy ceramic oxide powder into an electrode, and carrying out electrochemical research through a three-electrode system. The prepared high-entropy oxide ceramic powder has a single-phase structure, and compared with a traditional preparation method, the method is simple in process, low in cost and easy for large-scale production; an electrode prepared from the high-entropy ceramic oxide powder has relatively good capacity retention ratio and relatively high rate capability, can replace an electrode material at the present stage, and is applied to various fields to promote the development of novel energy.
本发明公开了一种电极材料用高熵氧化物陶瓷粉体制备方法，包括以下步骤：步骤1：将五种原料依次加入到沉淀剂水溶液中，充分搅拌；步骤2：将完全反应的悬浊液放入反应釜中进行水热；步骤3：水热后的前驱体充分洗涤干燥转移至马弗炉中高温煅烧，经高温空气淬火得到高熵陶瓷氧化物粉体(Mg0.2Co0.2Ni0.2Cu0.2Zn0.2)O；步骤4：将高熵陶瓷氧化物粉体制备成电极，通过三电极体系进行电化学研究。本发明制备的高熵氧化物陶瓷粉体具有单相结构，与传统的制备方法相比，该方法过程简单，成本较低，易于大规模生产；该高熵陶瓷氧化物粉体制备的电极具有较好的容量保持率、较高的倍率性能，可取代现阶段的电极材料，应用于各个领域推动新型能源的发展。
Preparation method of high-entropy oxide ceramic powder for electrode material
一种电极材料用高熵氧化物陶瓷粉体制备方法
08.08.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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