JP2011044364A5 - - Google Patents

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JP2011044364A5
JP2011044364A5 JP2009192452A JP2009192452A JP2011044364A5 JP 2011044364 A5 JP2011044364 A5 JP 2011044364A5 JP 2009192452 A JP2009192452 A JP 2009192452A JP 2009192452 A JP2009192452 A JP 2009192452A JP 2011044364 A5 JP2011044364 A5 JP 2011044364A5
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positive electrode
electrode material
powder
secondary battery
producing
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JP2009192452A
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JP5401211B2 (en
JP2011044364A (en
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Priority claimed from JP2009192452A external-priority patent/JP5401211B2/en
Priority to PCT/JP2010/062620 priority patent/WO2011021480A1/en
Priority to CN2010800318739A priority patent/CN102473909A/en
Priority to KR1020127002844A priority patent/KR101705927B1/en
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上記目的を達成するために、本発明は、二次電池用正極材料の製造方法であって、原料となるリチウム化合物の粉体と、金属化合物の粉体とを混合して混合粉を得て、この混合粉を造粒して造粒粉体を得る造粒工程と、前記造粒粉体を所定の温度および時間で連続的に焼成して反応させ、リチウムと金属との複合酸化物を二次電池用正極材料として得る焼成工程とを有することを特徴とする二次電池用正極材料の製造方法を提供するものである。 In order to achieve the above object, the present invention provides a method for producing a positive electrode material for a secondary battery, wherein a mixed powder is obtained by mixing a raw material lithium compound powder and a metal compound powder. a granulation step of obtaining the granulated powder by granulating the mixed powder, the continuously firing the reaction of granulated powder at a predetermined temperature and time, a composite oxide of lithium and metal It has a baking process obtained as a positive electrode material for secondary batteries, and provides the manufacturing method of the positive electrode material for secondary batteries characterized by the above-mentioned.

本発明において、前記焼成工程には、ロータリーキルンが用いられることが好ましい。
また、本発明においては、前記リチウム化合物は、例えば、ＬｉＯＨ、Ｌｉ２Ｏ、またはＬｉ２ＣＯ３であり、前記金属化合物は、例えば、ＭｎＯ、ＭｎＯ２、Ｍｎ２Ｏ３、Ｍｎ３Ｏ４、ＭｎＣＯ３、ＣｏＯ、ＣｏＣＯ３、Ｃｏ３ＣＯ４、ＮｉＯ、またはＮｉ（ＯＨ）３であり、前記複合酸化物は、例えば、ＬｉＭｎ２Ｏ４、ＬｉＣｏＯ２、ＬｉＮｉＯ２であることが好ましい。 In the present invention, a rotary kiln is preferably used for the firing step.
In the present invention, the lithium compound is, for example, LiOH, Li 2 O, or Li 2 CO 3 , and the metal compound is, for example, MnO, MnO 2 , Mn 2 O 3 , Mn 3 O 4 , It is MnCO 3 , CoO, CoCO 3 , Co 3 CO 4 , NiO, or Ni (OH) 3 , and the composite oxide is preferably LiMn 2 O 4 , LiCoO 2 , or LiNiO 2 , for example.

Claims (4)

二次電池用正極材料の製造方法であって、
原料となるリチウム化合物の粉体と、金属化合物の粉体とを混合して混合粉を得て、この混合粉を造粒して造粒粉体を得る造粒工程と、
前記造粒粉体を所定の温度および時間で連続的に焼成して反応させ、リチウムと金属との複合酸化物を二次電池用正極材料として得る焼成工程とを有することを特徴とする二次電池用正極材料の製造方法。 A method for producing a positive electrode material for a secondary battery, comprising:
A granulation step of obtaining a mixed powder by mixing a lithium compound powder as a raw material and a metal compound powder, and granulating the mixed powder to obtain a granulated powder;
A secondary firing step characterized by having a firing step in which the granulated powder is continuously fired and reacted at a predetermined temperature and time to obtain a composite oxide of lithium and metal as a positive electrode material for a secondary battery. A method for producing a positive electrode material for a battery. 前記造粒粉体の粒度構成が、粒径２５０μｍ未満のものが４０質量％以下である請求項１に記載の二次電池用正極材料の製造方法。   2. The method for producing a positive electrode material for a secondary battery according to claim 1, wherein the granulated powder has a particle size composition of 40% by mass or less when the particle size is less than 250 μm. 前記焼成工程には、ロータリーキルンが用いられる請求項１または２に記載の二次電池用正極材料の製造方法。 The manufacturing method of the positive electrode material for secondary batteries of Claim 1 or 2 with which a rotary kiln is used for the said baking process. 前記リチウム化合物は、ＬｉＯＨ、Ｌｉ２Ｏ、またはＬｉ２ＣＯ３であり、前記金属化合物は、ＭｎＯ、ＭｎＯ２、Ｍｎ２Ｏ３、Ｍｎ３Ｏ４、ＭｎＣＯ３、ＣｏＯ、ＣｏＣＯ３、Ｃｏ３ＣＯ４、ＮｉＯ、またはＮｉ（ＯＨ）３であり、前記複合酸化物は、ＬｉＭｎ２Ｏ４、ＬｉＣｏＯ２、ＬｉＮｉＯ２である請求項１〜３のいずれか１項に記載の二次電池用正極材料の製造方法。 The lithium compound is LiOH, Li 2 O, or Li 2 CO 3 , and the metal compound is MnO, MnO 2 , Mn 2 O 3 , Mn 3 O 4 , MnCO 3 , CoO, CoCO 3 , Co 3 CO 4 , NiO, or Ni (OH) 3 , and the composite oxide is LiMn 2 O 4 , LiCoO 2 , LiNiO 2. The positive electrode material for a secondary battery according to claim 1. Manufacturing method.
JP2009192452A 2009-08-21 2009-08-21 Method for producing positive electrode material for secondary battery Active JP5401211B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009192452A JP5401211B2 (en) 2009-08-21 2009-08-21 Method for producing positive electrode material for secondary battery
PCT/JP2010/062620 WO2011021480A1 (en) 2009-08-21 2010-07-27 Process for production of positive electrode material for secondary batteries
CN2010800318739A CN102473909A (en) 2009-08-21 2010-07-27 Process for production of positive electrode material for secondary batteries
KR1020127002844A KR101705927B1 (en) 2009-08-21 2010-07-27 Process for production of positive electrode material for secondary batteries

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JP2009192452A JP5401211B2 (en) 2009-08-21 2009-08-21 Method for producing positive electrode material for secondary battery

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JP2011044364A JP2011044364A (en) 2011-03-03
JP2011044364A5 true JP2011044364A5 (en) 2012-03-08
JP5401211B2 JP5401211B2 (en) 2014-01-29

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JP (1) JP5401211B2 (en)
KR (1) KR101705927B1 (en)
CN (1) CN102473909A (en)
WO (1) WO2011021480A1 (en)

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