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公开(公告)号:KR1020130117965A
公开(公告)日:2013-10-29
申请号:KR1020120040756
申请日:2012-04-19
Applicant: 전자부품연구원
IPC: H01M4/1391 , H01M4/525 , C01G53/04 , H01M10/052
CPC classification number: C01G51/42 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/523 , H01M10/0525 , Y02E60/122
Abstract: PURPOSE: A manufacturing method of a positive electrode material manufactures a positive electrode material with improved lifetime and having a particle size of 20 micron or greater in order to obtain high energy density. CONSTITUTION: A manufacturing method of a positive electrode material comprises a step of manufacturing spherical cobalt hydroxide by coprecipitating an aqueous solution including a cobalt raw material, a hydroxide raw material, a hetero metal raw material for substitution, and an amine raw material (S10); and a step of manufacturing cobalt oxide substituted with heterometal by heat-treating the cobalt hydroxide. In manufacturing cobalt hydroxide, the cobalt hydroxide has the composition ratio of Co_(1-x)M_x(OH)_2 where 0.00
Abstract translation: 目的:为了获得高能量密度,正极材料的制造方法制造寿命更长且粒径为20微米以上的正极材料。 构成:正极材料的制造方法包括通过共沉淀包含钴原料,氢氧化物原料,取代用异质金属原料和胺原料的水溶液来制造球形氢氧化钴的步骤(S10) ; 以及通过热处理氢氧化钴制造用异金属取代的氧化钴的步骤。 在制造氢氧化钴时,氢氧化钴的组成比为Co_(1-x)M_x(OH)2,其中0.00 <= x <= 0.10,M是Al,Mg或Ti。 氢氧化钴的平均粒度为15-30微米。 (附图标记)(AA)开始; (BB)结束; (S10)通过共沉淀包含钴原料,氢氧化物原料,用于置换的异质金属原料的水溶液和胺原料来制造高密度球形氢氧化钴; (S20)通过在500-800℃热处理氢氧化钴生产用异金属取代的高密度氧化钴; (S30)通过在900-1100℃下将氧化钴与Li 2 CO 3和Li 2 CO 3混合,生产钴酸锂,阳极材料; (S40)通过粉碎经热处理的阳极材料进行配制
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公开(公告)号:KR1020130031718A
公开(公告)日:2013-03-29
申请号:KR1020110095448
申请日:2011-09-21
IPC: H01M4/58 , C01B25/45 , H01M4/1397 , H01M10/052
CPC classification number: C01B25/455 , H01M4/136 , H01M4/1395 , H01M4/5825
Abstract: PURPOSE: An anode material for lithium secondary battery is provided to be able to use cathode materials without a lithium source for making a lithium secondary battery and to increase the discharged voltage of a secondary battery. CONSTITUTION: An anode material for lithium secondary battery comprises lithium manganese hexafluoride compound which is expressed in the formula Li2MnPO4F. a method of manufacturing the anode material comprises; a step of mixing sodium oxide or a precursor of sodium oxide, manganese or a precursor of manganese, phosphorus or a precursor of phosphorus and fluoride or a precursor of fluoride using a ball mill, and heating the mixed materials to synthesize Na2MnPO4F and a step to add lithium into the synthesized materials through an ion-exchanging process to synthesize Li2MnPO4F.
Abstract translation: 目的:提供一种用于锂二次电池的负极材料,以便能够使用没有锂源的阴极材料来制造锂二次电池并增加二次电池的放电电压。 构成:用于锂二次电池的负极材料包括以式Li2MnPO4F表示的六氟化锂化合物。 制造阳极材料的方法包括: 使用球磨机混合氧化钠或锰,磷或磷前体和磷前体的氧化镁,锰或前体的前体,并加热混合物以合成Na 2 MnO 4 F 4的步骤, 通过离子交换工艺将锂添加到合成材料中以合成Li2MnPO4F。
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