article·2005-01-01

Improved electrochemical performance of LiCoO2 due to Pt additive

Kou Du, Ling Qi, Yijie Wang, H Zhang

Abstract

The influence of the initial addition of Pt on the microstructure and electrochemical properties of synthesized LiCoO2-based material was investigated. A small amount of Pt additive induces Li2PtO3 and Pt in matrix LiCoO2 to form a multi-phase composite. This multi-phase composite shows the improved rate performance and cycleability at high rate in comparison with the single-phase of LiCoO2. This behavior is attributed to the enhanced diffusion of Li ion in the LiCoO2 matrix, which can be demonstrated by galvanostatic intermittent titration technique.
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Research context

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication

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