Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
PROCESS FOR PREPARING ELECTROACTIVE MATERIALS FOR METAL-ION BATTERIES
The disclosure relates to a process for preparing particulate materials having high electrochemical capacities that are suitable for use as anode active materials in rechargeable metal-ion batteries. In one aspect, the disclosure provides a process for preparing a particulate material comprising a plurality of composite particles. The process includes providing particulate porous carbon frameworks comprising micro pores and/or mesopores, wherein the porous carbon frameworks have a D50 particle diameter of at least 20 [mu]m; depositing an electroactive material selected from silicon and alloys thereof into the micropores and/or mesopores of the porous carbon frameworks using a chemical vapour infiltration process in a fluidised bed reactor, to provide intermediate particles; and comminuting the intermediate particles to provide said composite particles.
本公开涉及用于制备适合作为可充电金属离子电池中的阳极活性材料使用的具有高电化学容量的颗粒材料的方法。在一个方面，本公开提供了一种用于制备包含多个复合粒子的颗粒材料的方法。所述方法包括：提供包括微孔和/或介孔的颗粒多孔碳骨架，其中所述多孔碳骨架的D50粒径为至少20μm；在流化床反应器中，使用化学气相渗透法将选自硅及其合金的电活性材料沉积到所述多孔碳骨架的微孔和/或介孔中以提供中间粒子；和粉碎所述中间粒子以提供所述复合粒子。
PROCESS FOR PREPARING ELECTROACTIVE MATERIALS FOR METAL-ION BATTERIES
The disclosure relates to a process for preparing particulate materials having high electrochemical capacities that are suitable for use as anode active materials in rechargeable metal-ion batteries. In one aspect, the disclosure provides a process for preparing a particulate material comprising a plurality of composite particles. The process includes providing particulate porous carbon frameworks comprising micro pores and/or mesopores, wherein the porous carbon frameworks have a D50 particle diameter of at least 20 [mu]m; depositing an electroactive material selected from silicon and alloys thereof into the micropores and/or mesopores of the porous carbon frameworks using a chemical vapour infiltration process in a fluidised bed reactor, to provide intermediate particles; and comminuting the intermediate particles to provide said composite particles.
本公开涉及用于制备适合作为可充电金属离子电池中的阳极活性材料使用的具有高电化学容量的颗粒材料的方法。在一个方面，本公开提供了一种用于制备包含多个复合粒子的颗粒材料的方法。所述方法包括：提供包括微孔和/或介孔的颗粒多孔碳骨架，其中所述多孔碳骨架的D50粒径为至少20μm；在流化床反应器中，使用化学气相渗透法将选自硅及其合金的电活性材料沉积到所述多孔碳骨架的微孔和/或介孔中以提供中间粒子；和粉碎所述中间粒子以提供所述复合粒子。
PROCESS FOR PREPARING ELECTROACTIVE MATERIALS FOR METAL-ION BATTERIES
用于制备金属离子电池用的电活性材料的方法
YILMAZ SEFA (Autor:in) / MASON CHARLES A (Autor:in) / TAYLOR RICHARD GREGORY (Autor:in) / BENT DAVID (Autor:in)
15.10.2021
Patent
Elektronische Ressource
Chinesisch
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