
Innovative three-layered FeHCF@MnHCF@FeHCF core-shell …
2025年2月28日 · Three-layered FeHCF@MnHCF@FeHCF enhances sodium-ion battery stability. Achieves 140.2 mAh g −1 capacity at 10 mA g −1, retains 81.8 % after 500 cycles. Innovative co-precipitation strategy constructs robust core-shell structure. Low-strain FeHCF shell suppresses Jahn-Teller effect, boosts cycling stability.
High FeLS(C) electrochemical activity of an iron hexacyanoferrate ...
The X-ray diffraction (XRD) pattern shows that C-FeHCF exhibits a typical cubic face-centered structure (Figure 2A), and the Rietveld refinement result of the XRD pattern of C-FeHCF is shown in Figure 2B. The Rietveld refinement analysis illustrates that the C-FeHCF occupies a cubic structure with a space group of Fm-3m.
Structure and morphology of the as‐prepared FeHCF. a) XRD …
The X-ray diffraction (XRD) pattern of 850-KFeHCF was well matched with the crystal planes of the facecentered cubic (FCC) PB (JCPDS No.73-0687) [29, 35] (Fig. 1a, S3a and S3b). Feature peaks at...
(a) Schematic illustrate of preparation process of FeHCF, (b) XRD ...
XRD patterns of the FeHCF was shown in Fig. 1b. The remarkably split peaks at around 25 (2q) indicate that the FeHCF has a monoclinic structure.
High-performance dual-band electrochromic materials based on …
2024年4月25日 · High-resolution transmission electron microscopy (HRTEM) and energy dispersive spectrometer (EDS) mapping were performed on Talos F200S. The sample phase was characterized by X-ray powder diffraction (XRD, MiniFlex600) with Cu Kα radiation (λ = 0.1542 nm) in 10–70°, 5° min-1. Raman spectra were collected on LabRAM Odyssey Raman ...
XRD patterns of FeHCF_N (A) and FeHCF_M (B). Intensities on the …
Herein, we report a two-layered hybrid catalytic interface composed of carboxymethyl cellulose (CMC), poly (3,4-ethylene dioxythiophene) (PEDOT), Prussian blue (PB) nanoparticles and...
Tailoring the growth of iron hexacyanoferrates for high …
2023年6月15日 · Thermogravimetric analysis (NETZSCH STA 2500) was applied to detect water contents of synthetic FeHCF under Ar flow. The morphology of the samples was observed with a scanning electron microscope (S-4800). XRD (Bruker D8) was used to characterize the crystal structure of the samples.
陈忠伟院士等人 Nano Energy:首次报道!利用不饱和配位聚合物 …
2020年10月15日 · 近日, 加拿大滑铁卢大学陈忠伟院士、湖南大学陈小华教授和吉林师范大学冯明教授(共同通讯作者)等人 首次报道了六氰化亚铁(FeHCF)在硫化和催化改进锂-硫电池中的配位不饱和现象。 作者利用一种简单的氨蚀刻处理来选择性去除FeIII-H2O部分,从而留下大量配位不饱和的Fe位点,同时在活化基质(FeHCF-A)中构建相当大的介孔率。 作为硫的宿主,大量的中尺度通道赋予FeHCF-A丰富的活性界面和离子/质量转移途径。 更重要的是,配位的不饱 …
Iron Hexcyanoferrate Nanocubes as Low-Strain Cathode Materials …
2020年1月15日 · Iron hexcyanoferrate (FeHCF) nanocubes were prepared as a high-voltage and low-strain cathode material for room-temperature aqueous Li/Na mixed ion battery, which can effectively accommodate volume change during the reversible insertion/extraction of alkali ions.
周小四/郭再萍Angew.:介孔单晶FeFe(CN)6微球用于优异钾离 …
2025年1月24日 · 南京师范大学周小四/阿德莱德大学郭再萍提出了介孔单晶铁六氰基高铁酸盐(MSC-FeHCF)微球,其特征是单晶结构包含跨越整个晶格的相互连接的孔。MSC-FeHCF微球表现出优异的的长期循环性能,在30 mA g −1 下的比放电容量为123.5 mAh g -1 ,在500 mA g -1 下的2000次循环 ...