METHOD OF MANUFACTURING AIR ELECTRODE MATERIAL SOLID OXIDE FUEL CELL, AIR ELECTRODE MATERIAL, AIR ELECTRODE USING THE SAME, AND FUEL CELL

PROBLEM TO BE SOLVED: To provide a manufacturing method capable of manufacturing an air electrode material capable of high output high density and having large specific surface area, and also to provide an air electrode material having the large specific surface area.SOLUTION: In a method of manufacturing an air electrode material, raw material liquid of the air electrode material includes a constituent element of the air electrode material, a chelate agent and an anionic surfactant, refractory particles of the constituent element are generated, the raw material liquid is used whose negative electric charge on the particle surface is a pH not less than zero, the raw material liquid containing the refractory particles is dried to obtain precursor powder and then, the air electrode material is manufactured by calcination of the precursor powder.SELECTED DRAWING: None 【課題】高出力高密度化が可能な比表面積が大きい空気極材料を作製できる製造方法及び比表面積が大きい空気極材料の提供【解決手段】空気極材料の構成元素、キレート剤及びアニオン性界面活性剤を含み、構成元素の難溶性粒子が生成しかつ該粒子表面の負電荷が０を超えるｐＨである原料液を使用し、該難溶性粒子を含む原料液を乾燥して前駆体粉末を得、さらに焼成することで空気極材料を作製する。【選択図】なし