锂离子电池负极材料钛酸锂的研究进展

谭毅, 薛冰

Research Progress on Lithium Titanate as Anode Material in Lithium-ion Battery

Yi TAN, Bing XUE

表2 低电位下代表性阳离子掺杂Li₄Ti₅O₁₂的Li, Ti, O各位点对性能的影响

Table 2 Summary of representative LTO doped with various cations in the Li, Ti and O sites at low potential

Ion	Radius/nm	Doping content molar ratio	Size/ nm	Initial discharge capacity/(mAh^.g^-1)	Cycle performance/ (mAh^.g^-1)	Method	Ref.
Zn²⁺	0.074	0.20	1000-2000	(0-2.5 V)	216.4(0.5C, 30)	Solid state reaction	[6]
				271.6(0.5C)^a; 223.0(3C);	198.0(3C, 100)
				271.6(0.5C)^a; 223.0(3C);	186.0(5C, 200)
				206.0(5C)
Nb⁵⁺	0.064	0.05		(0-2.5 V)	231.0(0.12C, 100)	Sol-Gel	[46]
Nb⁵⁺	0.064	0.05		351.0(0.12C)		Sol-Gel	[46]
Ru⁴⁺	0.062	0.05	100-200	(0.01-2.5 V)	259.0(3C, 100); 131.0(60C, 100)	Reverse microemulsion method	[47]
Ru⁴⁺	0.062	0.05	100-200	274.0(3C)	259.0(3C, 100); 131.0(60C, 100)	Reverse microemulsion method	[47]
Bi⁺³⁺	0.103	0.10	500-1000	(0.01-2.5 V)	203.0(1C, 50)	Solid state reaction	[48]
Bi⁺³⁺	0.103	0.10	500-1000	214.0(1C)		Solid state reaction	[48]