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首页> 外国专利> TITANATE COMPOUND, ALKALI METAL TITANATE COMPOUND AND METHOD FOR PRODUCING SAME, AND POWER STORAGE DEVICE USING TITANATE COMPOUND AND ALKALI METAL TITANATE COMPOUND AS ACTIVE MATERIAL

TITANATE COMPOUND, ALKALI METAL TITANATE COMPOUND AND METHOD FOR PRODUCING SAME, AND POWER STORAGE DEVICE USING TITANATE COMPOUND AND ALKALI METAL TITANATE COMPOUND AS ACTIVE MATERIAL

机译：钛酸盐化合物，碱金属钛酸盐化合物及其生产方法以及使用钛酸盐化合物和碱金属钛酸盐化合物作为活性材料的储能装置

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摘要

Provided is a titanate compound capable of further increasing the capacity of a power storage device when used as an electrode active material thereof. The titanate compound according to the present invention includes at least 60%, based on the number thereof, of particles having an anisotropic shape and a specific surface area of 10-30 m2/g as measured by a nitrogen adsorption BET one-point method, and having a long-axis diameter (L) in the range of 0.1L≦0.9 μm as measured by electron microscopy. The method for producing the titanate compound according to the present invention is provided with a step for pulverizing an alkali metal titanate compound until the specific surface area thereof is at least 10 m2/g, a step for annealing the resultant pulverized product, and a step for then bringing the alkali metal titanate compound into contact with an acidic aqueous solution and substituting at least a portion of alkali metal cations in the alkali metal titanate compound with protons, and the method is preferably further provided with a step for heating the proton-substituted titanate compound.
机译：提供一种钛酸酯化合物，当用作其电极活性材料时，该钛酸酯化合物能够进一步增加蓄电装置的容量。根据本发明的钛酸酯化合物，基于其数量，至少包括60％的具有各向异性形状和比表面积为10-30m 2

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