
Carbon nanotube bridged nickel hexacyanoferrate architecture for …
2023年1月15日 · For NiHCF and NiHCF/CNT composites, the shapes of the CV curves suggest the synergistic contribution of EDL and pseudocapacitance. In the potential range of 0–1.0 V, a pair of obvious redox peaks can be observed, representing the typical Faraday electrode reaction.
High-stability monoclinic nickel hexacyanoferrate cathode materials …
2020年5月15日 · Herein, a highly stable monoclinic sodium rich nickel hexacyanoferrate (II) nanocube (m-NiHCF) has been synthesized via a facile coprecipitation method with the aid of chelating agent and surfactant. It delivers a high specific capacity of 70.1 mAh g −1 and maintains 97.1% capacity retention after 8000 cycles.
Nickel hexacyanoferrate incorporated with reduced graphene …
2022年8月15日 · NiHCF@rGO can be used as a high-performing cathode for intercalation of Na + ions. The incorporation of rGO improved the conductivity and charge transfer. High desalination performance can be achieved in asymmetric CDI with NiHCF@rGO. Asymmetric CDI exhibited lower energy consumption and higher charge efficiency.
阐明用于电化学海水淡化的镍基普鲁士蓝类似物的结构-组成-性能 …
六氰合铁酸镍(nihcf)是一种普鲁士蓝类似物(pba),最近已成为用于电化学脱盐的最有前途的na储存电极之一。 先前的研究表明,根据Fe的氧化态(Fe II与Fe III,NiHCF可以同时具有立方和菱形对称性)制备。
Cyclic voltammetry (CV) of NiHCF electrodes under
Cyclic voltammetry (CV) of NiHCF electrodes under various temperatures with electrolytes (1 M) for (a) NaCl, (b) KCl, (c) LiCl, and (d) NH 4 Cl. The measured potentials were corrected for...
Biomass-derived carbon-supported Nickel …
2025年3月17日 · The capacitive performance of the NiHCF/BC materials was evaluated through cyclic voltammetry (CV), galvanostatic charge/discharge tests (GCD), and electrochemical impedance spectroscopy (EIS) using a two-electrode system in 1 M Na2SO4 electrolyte, within a potential range of 0.0–1.6 V.
(F−G) Cyclic voltammetry (CV) curves demonstrate reversible insertion of Mg2+,Ca2+,Sr2+, and Ba 2+ , and they suggest two insertion reactions occurring at different potentials. CV curves of NiHCF cycled with dilute nitric acid at pH 2 show that
Selective recovery of ammonium ions from Aqueous solutions …
2025年2月19日 · Each CV curve illustrates the redox reactions of NiHCF and CuHCF during ammonium ion adsorption and desorption. The CV of the thin NiHCF electrode exhibited a small gap between the oxidation and reduction potentials, indicating a highly reversible redox process and fast electron-transfer kinetics (Figure S2a).
Nickel hexacyanoferrate modified screen-printed carbon ... - PubMed
2005年1月1日 · Electrochemically modified screen-printed carbon electrode (SPCE) has been prepared by electrodepositing nickel hexacyanoferrate (III) (NiHCF) onto the electrode surface using cyclic voltammetry (CV). The performance of NiHCF-SPCE sensor was characterized and optimized by controlling several operational parameters.
六价高铁镍酸镍开放框架中易插入和可逆的阳离子嵌入的概述
2018年6月1日 · 本文报道了有关电解质成分对六氰合铁酸镍(NiHCF)电化学行为的影响的详细研究。 CV波的形状和位置与支持电解质的阳离子密切相关,后者在氧化还原过程中会发生嵌入/脱嵌。 NiHCF的电化学行为已在含有纯一价或三价金属硝酸盐的不同电解质溶液中表征。 高铁酸镍镍可将多种一价,二价和三价离子可逆地插入水溶液中;阴极过程的特征电位Ep取决于嵌入阳离子的性质。 电化学测量表明,与此材料相关的三价离子插入具有空前的快速动力学。 报告的发现 …