Morphology of Alloy Elements and Electrochemical Effects of Li₄Ti₅O₁₂ /Graphene Produced by Ball Milling

摘要

In the past two decades, many researchers focused their attention on metallic or semi-metallic elementswhich can alloy with lithium reversibly and release a high Li-storage capacity. The research samples ofLi4Ti5O12/Graphene at hand were made with mechanical ball-milling technique (MA). Drops ofgraphene oxide were added to the powder of Li4Ti5O12, and thus enhanced the structural stability of thealloying. The main idea is to build a work electrode suitable for electrochemical test to be used instorage batteries. In order to deeply understand the behavior of graphene reaction in lithium, scanningelectron microscopy (SEM) images were analyzed using algorithms from digital processing images. Acomplete characterization of alloying was also made, including X-Ray, transmission electronmicroscopy (TEM) and electrochemical noise (EN).