| 摘要 |
The present invention relates to a manufacturing method of an electrode active material using a porous silica support and an electrode active material manufactured thereby. Specifically, the present invention provides a manufacturing method of an electrode active material using a porous silica support, which comprises a step of adding a lithium precursor, a manganese precursor, a chelating agent, a polymerizing agent and an reducing agent in a solvent, and mixing (step 1); a step of adding and mixing a porous silica support in the mixture of step 1, and reacting (step 2); and a step of thermally processing the product of step 2 in a reduction condition. The manufacturing method according to the present invention can manufacture a silicate-based manganese lithium compound, which can be used as an electrode active material. When the silicate-based manganese lithium compound manufactured according to the present invention is used as an electrode active material, it has an effect of showing an excellent property in the initial capacity in comparison with the silicate-based manganese lithium compound manufactured by using existing general silica materials. Also, the silicate-based manganese lithium compound manufactured according to the present invention does not require post-treatment processes such as carbon coating, hetero-element doping, ball milling, etc., and, therefore, providing advantages capable of manufacturing an electrode active material for a lithium secondary battery at low costs. |
