Journal
CHEMICAL PHYSICS LETTERS
Volume 806, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2022.140010
Keywords
NASICON-type; nanoparticle LiTi 2 (PO 4 ) 3; Cathode materials; Rate capability; Lithium -ion batteries
Funding
- Open Project of Key Lab Adv. Energy Mat. Chem. (Nankai Univ.)
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Nanoparticle LiTi2(PO4)3-xh was synthesized and LiTi2(PO4)(3)-7h showed excellent rate and electrochemical performance, making it a promising cathode for lithium-ion batteries.
Nanoparticle LiTi2(PO4)3 was prepared by solvothermal and calcination methods. LiTi2(PO4)3-xh(x = 5, 7, 9, 13) was successfully synthesized under different calcination times in nitrogen atmosphere, and LiTi2(PO4)(3)-7h showed excellent rate and electrochemical performance. It delivered discharge capacities of 141.2, 119.9, 109.8, 98.2, 87.3, and 76.7 mAh center dot g(-1) at rates of 0.5, 1, 2, 5, 10, and 20C, respectively. In particular, its initial discharge capacity can reach 123.3 mAh center dot g(-1) at the high rate of 10C. Hence, these superior properties demonstrate that LiTi2(PO4)3-7h has great application advantages as a cathode for lithium-ion batteries.
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