2019
DOI: 10.15587/1729-4061.2019.156093
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Definition of the influence of obtaining method on physical and chemical characteristics of Ni (OH)2 powders

Abstract: Для дослiдження були обранi чотири типи гiдроксиду. Два з них були отриманi виробничим шляхом та застосовуються у електродах лужних акумуляторiв. Два iншi порошки гiдроксидiв нiкелю були синтезованi за експериментальними методами описаними в сучасних наукових джерелах. Перший гiдроксид був синтезований гiдролiтичним методом iз розчину, що мiстив сiль нiкелю та карбамiд. Iнший синтезований iз розчину солi, що мiстив сумiш катiонiв нiкелю й алюмiнiю у спiввiдношеннi 4:1 та був осаджений при додаваннi концентрова… Show more

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Cited by 7 publications
(10 citation statements)
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“…It should be noted, that characteristics of colored LDHbased pigments are well studied and many samples have been prepared. It is known that the synthesis method has a significant impact on characteristics of LDH [42]. There are many methods for preparing layered double hydroxides.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…It should be noted, that characteristics of colored LDHbased pigments are well studied and many samples have been prepared. It is known that the synthesis method has a significant impact on characteristics of LDH [42]. There are many methods for preparing layered double hydroxides.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…Nickel hydroxide powder was prepared using the reverse titration method (high supersaturation) [1,22]. Nickel sulfate (С(Ni 2+ ) = 0.2 M) solution was dropwise added to the NaOH solution at 70 °С while continuous stirring.…”
Section: Preparation Methodsmentioning
confidence: 99%
“…These parameters have a major effect on electrochemical activity. The synthesis method determines the form of Ni(OH) 2 [21,22]. There are two known stable allotropes of nickel hydroxide: β-form (chemical formula Ni(OH) 2 , brucite-like structure) and α-form (chemical formula 3Ni(OH) 2 •2H 2 O, hydrotalcite-like structure).…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…One of the main characteristics of Ni(OH) 2 is the parameters of the crystal lattice [21], in particular, inhomogeneity [22], microstructure [23], and crystallinity [24,25]. These parameters are determined by the method and conditions of synthesis [26].…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%