2019
DOI: 10.15587/1729-4061.2019.185313
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Synthesis of nickel hydroxide in the presence of acetate ion as a «soft» ligand for application in chemical power sources

Abstract: Гiдроксид нiкелю широко використовується як активна речовина хiмiчних джерел струму. Механiзм формування гiдроксиду нiкелю включає дуже швид ку стадiю утворення первинної аморфної части ни та повiльну стадiю старiння (кристалiзацiї). Полiпшення характеристик гiдроксиду нiкелю може бути досягнуто шляхом зниження швидкостi першої стадiї за рахунок взаємодiї катiону нiкелю з «м'я ким» лiгандом iз утворенням слабкого комплексу. В якостi «м'якого» лiганду запропоновано викори стати ацетатанiон, який формує з Ni 2+ … Show more

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Cited by 2 publications
(6 citation statements)
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“…The influence of the precursor salts on [Ni x Mg 1−x (OH) 2 ] was analyzed. The acetate anion influenced the crystalline lattice, producing a more amorphous compound [34], showing a calculated crystallinity of 85% when compared to the precursor phase periclase MgO st , with 95%. As is reported in the literature for β-Ni(OH) 2 , and displayed on the diffractogram Figure 2a, this disordering of the crystalline lattice is attributed to intercalation of the anion (CH 3 COO -) in the hexagonal structure [3,34].…”
Section: Discussionmentioning
confidence: 99%
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“…The influence of the precursor salts on [Ni x Mg 1−x (OH) 2 ] was analyzed. The acetate anion influenced the crystalline lattice, producing a more amorphous compound [34], showing a calculated crystallinity of 85% when compared to the precursor phase periclase MgO st , with 95%. As is reported in the literature for β-Ni(OH) 2 , and displayed on the diffractogram Figure 2a, this disordering of the crystalline lattice is attributed to intercalation of the anion (CH 3 COO -) in the hexagonal structure [3,34].…”
Section: Discussionmentioning
confidence: 99%
“…The acetate anion influenced the crystalline lattice, producing a more amorphous compound [34], showing a calculated crystallinity of 85% when compared to the precursor phase periclase MgO st , with 95%. As is reported in the literature for β-Ni(OH) 2 , and displayed on the diffractogram Figure 2a, this disordering of the crystalline lattice is attributed to intercalation of the anion (CH 3 COO -) in the hexagonal structure [3,34]. Relating to the XRD data, Figure 5b, the FTIR bands at 1568 cm −1 and 1391 cm −1 identify the ν(COO − ) symmetric and asymmetric vibration modes [40,41], reinforcing the evidence of intercalation of the acetate anion on the structure.…”
Section: Discussionmentioning
confidence: 99%
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“…The structural analysis of the synthetized MgO (Figure 1) identifies the periclase phase of MgO (ICDD: 01-075-0447) characterized by its face-center cubic configuration and peaks (111), ( 200), ( 220), ( 311) and (222) [24,25]. As shown in Figure 1a-c, the identified peaks of NixMg1-x(OH)2 compound X-ray diffractogram were (001), (100), (101), (102), (110), (111), (103), ( 200) and (201), being this crystalline phase determined as brucite, a hexagonal arrangement of Mg(OH)2 (ICDD: 00-044-1482) [5,25,26]. Moreover, β-Ni(OH)2 is isostructural to Mg(OH)2 with the brucite like crystal lattice [5,27].…”
Section: Structural Analysis By X-ray Diffraction (Xdr)mentioning
confidence: 96%