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AssigneeGuangdong Kaijin New Energy Technology Co., Ltd.
InventorsAnhua ZHENG, Dexin YU, Yongjun YANG
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A multi-element-coating silicon-based composite material with high initial efficiency consists of a plurality of multi-element nano-silicon particle and a modified layer; the multi-element nano-silicon particle includes a first nano-silicon layer, a nano-silicon oxide layer, a second nano-silicon layer and a carbon coating layer in sequence from inside to outside; and the filled and modified layer is a carbon filled and modified layer. The present invention provides the multi-element-coating silicon-based composite material with high initial efficiency, a method for preparing the same, and a use thereof. The multi-element-coating silicon-based composite material with high initial efficiency is simple and practicable in process and stable in product performance, and has good application prospects.
A multi-element-coating silicon-based composite material with high initial efficiency, consisted of at least one multi-element nano-silicon particle and a filled and modified layer, wherein the at least one multi-element nano-silicon particle comprises a first nano-silicon layer, a nano-silicon oxide layer, a second nano-silicon layer and a carbon coating layer in sequence from inside to outside, and the filled and modified layer is a carbon filled and modified layer.
A method for preparing a multi-element-coating silicon-based composite material with high initial efficiency, comprising the following steps:
A use of a multi-element-coating silicon-based composite material with high initial efficiency, wherein the multi-element-coating silicon-based composite material with high initial efficiency is applicable to an anode material of a lithium-ion battery.
Dependencies are inferred from the claim text.