作者:Qingsong Tong、Yong Yang、Jicheng Shi、Junmei Yan、Liqun Zheng
DOI:10.1149/1.2731036
日期:——
A series of spinel-doped lithium manganese oxides, Li x Mn y Ti z O 4.00 (0.973 ≤ x ≤ 1.018, 1.893 ≤ y ≤ 1.959, z ≈ 0.050), Li x Mn y Ti z Ni m O 4.00 (0.981 ≤ x ≤ 1.010, 1.903 ≤ y ≤ 1.951, z ≈ 0.050, m ≈ 0.030), Li x Mn y Ti z Co m O 4.00 (0.953 ≤ x ≤ 1.004, 1.912 ≤ y ≤ 1.968, z ≈ 0.050, m ≈ 0.009), have been prepared using the solid-state reaction of a titanium-doped electrolytic manganese dioxide
一系列掺杂尖晶石的锂锰氧化物,Li x Mn y Ti z O 4.00 (0.973 ≤ x ≤ 1.018, 1.893 ≤ y ≤ 1.959, z ≈ 0.050), Li x Mn y Ti z Ni m O 4.00 ≤ x 1.018 ≤ 1.010, 1.903 ≤ y ≤ 1.951, z ≈ 0.050, m ≈ 0.030), Li x Mn y Ti z Co m O 4.00 (0.953 ≤ x ≤ 1.004, 1.912 ≤ .960, 0 ≈ z 0 ≈ 0.50)已使用钛掺杂的电解二氧化锰、氢氧化锂和掺杂剂的固态反应制备。已使用几种先进技术对氧化物进行表征,例如 X 射线衍射、X 射线光电子能谱、傅里叶变换红外分析、拉曼光谱、热重分析、差示扫描量热法、循环伏安图和充电/放电循环。实验结果表明,Li 0.973 Mn 1.893 Ti 0.048 O 4.00