尖晶石型无钴(Cr0.2Fe0.2Mn0.2Ni0.2X0.2)3O4 高熵氧化物的制备及其储锂性能

尖晶石型无钴(Cr_0.2Fe_0.2Mn_0.2Ni_0.2X_0.2)₃O₄ 高熵氧化物的制备及其储锂性能

邵霞, 鲍梦凡, 陈诗洁, 林娜, 檀杰, 冒爱琴

Preparation and Lithium Storage Performance of Spinel-type Cobalt-free (Cr_0.2Fe_0.2Mn_0.2Ni_0.2X_0.2)₃O₄ High-entropy Oxide

SHAO Xia, BAO Mengfan, CHEN Shijie, LIN Na, TAN Jie, MAO Aiqin

表2 样品的同种金属元素不同价态之比

Table 2 Ratio of different valence states of the same metal element in the samples

Samples	Cr³⁺/Cr⁶⁺	Fe²⁺/Fe³⁺	Mn³⁺/Mn⁴⁺	Ni²⁺/Ni³⁺	Co²⁺/Co³⁺
4MCo	55.8/44.2	50.9/49.1	71.7/28.3	59.2/40.8	46.4/53.6
4MK	42.3/57.7	62.8/37.2	72.5/27.5	59.2/40.8	K⁺
4MMg	60.2/39.8	53.9/46.1	67.1/32.9	52.6/47.4	Mg²⁺
4MZn	71.7/28.3	51.4/48.6	81.3/18.7	54.7/45.3	Zn²⁺