The nanofibrous Na-2 × 4-MnO 2 was thoroughly characterized using X-ray diffraction (XRD), thermogravimetric analysis (TGA), inductively coupled plasma optical emission spectroscopy (ICP-OES), N2...

2023年11月1日 · To reach this aim, first, ZnMn 2 O 4 nanostructures were synthesized by hydrothermal and co-precipitation methods using maleic acid and phenylalanine as a capping agent. Second, the nanostructures were characterized. XRD analysis revealed the formation of ZnMn 2 O 4 with diameters about 32.3 nm.

2019年11月14日 · The crystalline phase of the samples was identified by powder X-ray diffraction (XRD, Bruker Company) using Cu Kα radiation (λ = 0.15406 nm) over the 2θ range of 10°–70°.

In this paper, hierarchically porous MgMn2O4 microspheres, which assembled with average size of about 30 nm nanosheets, have been synthesized by a facile solvothermal process followed by...

In this study, three trivalent Mn (oxyhydr)oxides, bixbyite (α-Mn2O3), hausmannite (Mn3O4) and manganite (γ-MnOOH) were synthesized and used as persulfate (PS) activators in phenol oxidation.

(d) ls-lmo正极在首圈充放电过程中的原位xrd图谱。 通过对比LS-LMO，Li2MnO3和LiMn2O4的电化学测试可以发现，LS-LMO材料在3V，4V和4.6V附近具有明显的Li2MnO3和LiMn2O4的充放电曲线形状特征（图3a）。

尖晶石LiMn 2 O 4 (LMO)的安全性好、工作电压高、倍率性能突出且原料成本低廉、对环境友好，是动力锂离子电池的常见正极材料之一 [1 - 3]，但其应用一直受到LMO高温衰减较快的影响 [4]。 尖晶石LMO的高温不稳定性，通常认为是Jahn-Teller效应、Mn的溶解和电解液分解等引起的 [5 - 7]。 目前市面上的尖晶石LMO主要是将锰源和锂盐球磨混合，然后经高温煅烧而来。 而锰源主要是一些锰氧化物，主要有MnO 2 、Mn 2 O 3 和Mn 3 O 4 等。 这些锰氧化物都可用于制 …

2017年9月30日 · The document summarizes research on LiMn2O4 cathode material for lithium-ion batteries. It describes the spinel crystal structure of LiMn2O4 and discusses synthesis using solid state combustion with oxalic acid. Characterization with XRD and SEM showed that adding 5 wt% oxalic acid produced smaller, more homogeneous particles.

很简单的，可以下个软件。 温柔. 上一条： 用盐酸标定二甲胺？ 下一条： 循环伏安没有出现氧化还原峰？

2017年9月25日 · Manganese oxides of spinel structure, LiMn2O4, Li1-x Ni x Mn2O4 (0.25 ≤ x≤ 0.75), and NiMn2O4, were studied by EDS, XRD, SEM, magnetic (M-H, M-T), and XPS measurements. The samples were synthesized by an ultrasound-assisted sol-gel method.