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    • 58. 发明专利
    • Manufacturing method of cathode material for lithium-ion battery
    • 锂离子电池阴极材料的制造方法
    • JP2007250203A
    • 2007-09-27
    • JP2006067784
    • 2006-03-13
    • Akita Univ国立大学法人秋田大学
    • OKAWA KOICHIYABUKI JUNPEI
    • H01M4/58C01B25/37C01B25/45H01M4/02H01M10/05H01M10/0525
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a cathode material for a lithium-ion battery obtaining an iron-containing cathode active material by irradiating ultrasonic waves on a starting material for chemical reaction. SOLUTION: In a schematic diagram of an ultrasonic synthesizer, 1 is a multi-frequency ultrasonic generating device, 2 is an oscillator, 3 is an eggplant-shaped flask, 4 is a stirrer, 5 is a gas injection inlet, and 6 is a water tank. LiOH-H 2 O, FeSO 4 -7H 2 O, and (NH 4 ) 2 HPO 4 are used as starting materials for the ultrasonic synthesization of LiFePO 4 , which are weighed in a molar ratio of 2.5:1:1, put in the flask 3, and have preliminarily dried pure water added by 40 ml, after that, argon gas is injected from the gas injection inlet 5 and 200Hz, 200W ultrasonic waves are irradiated on them for three hours by the oscillator 2 of the multi-frequency ultrasonic generating device 1, and they are dried in the argon gas at 700°C to obtain the LiFePO 4 . COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供一种通过在化学反应原料上照射超声波来获得含铁正极活性物质的锂离子电池用正极材料的制造方法。 解决方案:在超声波合成器的示意图中,1是多频超声波发生装置,2是振荡器,3是茄形烧瓶,4是搅拌器,5是气体注入口, 6是水箱。 LiOH-H 2,SBSO 4,SBH 2,和(NH 4 SB SB)2 HPO 4 用作超声波合成LiFePO 4 SBB的原料,以2.5:1:1的摩尔比称量,放入 烧瓶3中,将预先干燥的纯水加入40ml,然后从气体注入口5和200Hz注入氩气,通过多频超声波振荡器2将200W超声波照射3小时 在700℃的氩气中进行干燥,得到LiFePO SB 7。 版权所有(C)2007,JPO&INPIT