Nickel-cobalt composite hydroxide particle, manufacturing method thereof, anode active substance for non-aqueous electrolyte secondary battery and manufacturing method thereof

• Main Authors: HIDEKI YOSHIDA, MASATO SONOO, TAKAHIRO KITAGAWA
• Format: Patent
• Language: Chinese; English
• Published: 09.11.2016
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The invention provides an anode active substance for a non-aqueous electrolyte secondary battery which has advantages of excellent low-temperature output characteristic and high discharge capacity, a nickel-cobalt composiste hydroxide particle as a raw material of the anode active substance and a manufacturing method thereof. The manufacturing method comprises the steps of a first crystallization step for simultaneously supplying solution which comprises nickel, cobalt and manganese, a complex ion forming agent and alkaline solution into one reaction container, thereby obtaining the nickel-cobalt composiste hydroxide particles; and a second crystallization step, after the first crystallization step, furthermore simultaneously supplying the solution which comprises nickel, cobalt and manganese, the complex ion forming agent, the alkaline solution and the solution which comprises an element M, thereby realizing crystallization of the composite hydroxide particles which comprise nickel, combalt, manganese and th