Effect of Ti3AlC2 precursor on the electrochemical properties of the resulting MXene Ti3C2 for Li-ion batteries. Issue 10 (July 2018)

• Record Type: Journal Article
• Authors: Kong, Fanyu; He, Xiaodong; Liu, Qianqian; Qi, Xinxin; Zheng, Yongting; Wang, Rongguo; Bai, Yuelei
• Is Part Of: Ceramics international. Volume 44:Issue 10(2018)
• Page Start: 11591
• Page End: 11596
• Publication Date: 2018-07
• Subjects: Precursor -- MXene Ti3C2 -- Electrochemical properties -- Li-ion batteries -- PITT; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2018.03.223
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: The presented work compared the etching behavior between combustion synthesized Ti3 AlC2 (SHS-Ti3 AlC2 ) and pressureless synthesized Ti3 AlC2 (PLS-Ti3 AlC2 ). Because the former had a more compact structure, it was harder to be etched than PLS-Ti3 AlC2 under the same conditions. When served as anode material for Li-ion batteries, SHS-Ti3 C2 showed much lower capacity than PLS-Ti3 C2 at 1 C (52.7 and 87.4 mAh g −1, respectively) due to the smaller d -spacing. Furthermore, Potentiostatic Intermittent Titration Technique (PITT) was used to determine the Li-ion chemical diffusion coefficient ( D Li + ) of Ti3 C2 in the range of 10 −10 − 10 −9 cm 2 s −1, indicating that Ti3 C2 could exhibit an excellent diffusion mobility for Li-ion.