Abstract
AbstractA Single‐walled carbon nanotube (SWCNTs)‐encapsulated orthorhombic LiTiOPO4 (LTOP) anode material was explored for use in an aqueous electrolyte. The aqueous rechargeable Li‐ion battery was constructed by using LTOP/SWCNTs anode and LiFePO4@C (LFP@C) as a cathode in sat. Li2SO4 aqueous electrolyte. The LTOP has been synthesized by using a very simple method through a single‐step procedure. Quantitative structural and morphological features of LTOP have been studied via X‐ray diffraction, Raman spectra, scanning electron microscopic, energy dispersive X‐ray analysis, BET surface area analysis and transmission electron microscopy studies. The electrochemical properties and performance of the battery have been evaluated in half‐cell (LTOP/SWCNTs vs. SCE) as well as a full‐cell configuration with LFP@C as a cathode. Cyclic voltammetry (CV) was carried out to determine the redox properties and stability. After the CV, electrochemical performance and properties of LTOP/SWCNTs were evaluated through galvanostatic cycling with potential limitation and electrochemical impedance spectroscopic techniques. Further, we have also demonstrated the electrochemical performance and properties of LTOP/SWCNTs composite in the non‐aqueous electrolyte.
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