PRODUCTION METHOD OF ALKALI METAL NIOBATE PARTICLES

• Main Authors: MIZUTANI HIDETO, YONEDA MINORU, ASAMA RYOTA
• Format: Patent
• Language: English; Japanese
• Published: 04.06.2020
• Subjects: CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; INORGANIC CHEMISTRY; METALLURGY

To provide a production method of obtaining alkali metal niobate particles having monodispersibility higher than a conventional solvothermal method.SOLUTION: A production method of alkali metal niobate particles represented by the following formula (1) ; MNbO(1) (in the formula, Mrepresents an alkali metal element), the production method contains a step (a) of mixing alkali metal niobate particles represented by the following formula (2); MNbO(2) (in the formula, Mrepresents an alkali metal element. However, Mrepresents an element different from M.), an alkali metal-containing element compound represented by M, and a solvent, and a step (b) of solvothermally reacting the mixed liquid obtained in the mixing step (a).SELECTED DRAWING: None 【課題】従来のソルボサーマル法よりも、単分散性の高いニオブ酸アルカリ金属塩粒子を得る製造方法の提供。【解決手段】下記式（１）；Ｍ１ＮｂＯ３（１）（式中、Ｍ１はアルカリ金属元素を表す。）で表されるニオブ酸アルカリ金属塩粒子の製造方法であって、該製造方法は、下記式（２）；Ｍ２ＮｂＯ３（２）（式中、Ｍ２はアルカリ金属元素を表す。但し、Ｍ２はＭ１とは異なる元素を表す。）で表されるニオブ酸アルカリ金属塩粒子と、Ｍ１で表されるアルカリ金属元素含有化合物と溶媒とを混合する工程（ａ）と、該混合工程（ａ）で得られた混合液をソルボサーマル反応させる工程（ｂ）とを含むことを特徴とするニオブ酸アルカリ金属塩粒子の製造方法。【選択図】なし