PRECURSOR OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF, AND LITHIUM ION SECONDARY BATTERY
PROBLEM TO BE SOLVED: To provide a manufacturing method of a precursor of a positive electrode active material for a lithium ion secondary battery which can easily suppress inclusion of fine particles in a positive electrode active material for a lithium ion secondary battery.SOLUTION: A manufacturi...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a manufacturing method of a precursor of a positive electrode active material for a lithium ion secondary battery which can easily suppress inclusion of fine particles in a positive electrode active material for a lithium ion secondary battery.SOLUTION: A manufacturing method of a precursor of a positive electrode active material for a lithium ion secondary battery includes a step of mixing a precursor of a positive electrode active material in a predetermined atmosphere and removing at least a part of fine particles in the precursor by using an air current of the atmosphere.SELECTED DRAWING: Figure 1
【課題】リチウムイオン二次電池用正極活物質への微粒子の含有を、簡単に抑制できるリチウムイオン二次電池用正極活物質の前駆体の製造方法等を提供すること。【解決手段】正極活物質の前駆体を、所定の雰囲気中で混合し、かつ、前記雰囲気の気流を使って、前記前駆体中の微粒子の少なくとも一部を除去すること、を含む、リチウムイオン二次電池用正極活物質の前駆体の製造方法などによる。【選択図】図1 |
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