公开(公告)号：US08367206B2

公开(公告)日：2013-02-05

申请号：US13255554

申请日：2010-03-12

申请人： Sei Ung Park ,  Ju Suk Ryu ,  Seong Jae Lim ,  In Jae Baek

发明人： Sei Ung Park ,  Ju Suk Ryu ,  Seong Jae Lim ,  In Jae Baek

IPC分类号： B32B5/16

CPC分类号： H01G4/1227 ,  C01G23/003 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2006/12 ,  C04B35/4682 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3275 ,  C04B2235/42 ,  C04B2235/442 ,  C04B2235/443 ,  C04B2235/444 ,  C04B2235/447 ,  C04B2235/448 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/6582 ,  C04B2235/765 ,  H01G4/30 ,  Y10T428/2982 ,  Y10T428/2993

摘要： Provided is barium titanate based powder represented by Chemical Formula 1: (BaxR1r1R2r2)(TiyR3r3R4r4)O3  [Chemical Formula 1] wherein R1 is at least one element selected from the group consisting of yttrium (Y) and lanthanoids; R2 is at least one element selected from the group consisting of magnesium (Mg), calcium (Ca) and strontium (Sr); R3 includes phosphorus (P) and niobium (Nb); R4 is at least one element selected from the group consisting of aluminum (Al), vanadium (V), chrome (Cr), manganese (Mn), cobalt (Co), zirconium (Zr) and tantalum (Ta); r1 and r3 independently represent a real number greater than 0 and equal to or less than 0.05; r2 and r4 independently represent a real number greater than 0 and equal to or less than 0.1; and (x+r1+r2)/(y+r3+r4) is a real number ranging from 0.85 to 1.15.

摘要翻译： 提供由化学式1表示的钛酸钡系粉末（BaxR1r1R2r2）（TiyR3r3R4r4）O3 [化学式1]其中R1是选自钇（Y）和镧系元素中的至少一种元素; R2是选自镁（Mg），钙（Ca）和锶（Sr）中的至少一种元素; R3包括磷（P）和铌（Nb）; R4是选自铝（Al），钒（V），铬（Cr），锰（Mn），钴（Co），锆（Zr）和钽（Ta）中的至少一种元素; r1和r3独立地表示大于0且等于或小于0.05的实数; r2和r4独立地表示大于0且等于或小于0.1的实数; 和（x + r1 + r2）/（y + r3 + r4）是从0.85到1.15的实数。

公开(公告)号：US20090202425A1

公开(公告)日：2009-08-13

申请号：US11989856

申请日：2006-08-01

申请人： Sei-Ung Park ,  Choong-Hoon Paik ,  Ju-Suk Ryu ,  Seong-Jae Lim ,  Jin-Soo Baik ,  Young-Soo Jang

发明人： Sei-Ung Park ,  Choong-Hoon Paik ,  Ju-Suk Ryu ,  Seong-Jae Lim ,  Jin-Soo Baik ,  Young-Soo Jang

IPC分类号： C01G23/00

CPC分类号： C01G23/006 ,  C01P2004/03 ,  C01P2006/42 ,  C04B35/4682 ,  C04B35/6265 ,  C04B35/62655 ,  C04B35/62675 ,  C04B35/6268 ,  C04B2235/528 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/72 ,  C04B2235/77 ,  C04B2235/79

摘要： The present invention relates to a hydrothermal synthesis for preparing barium titanate powder as the essential material for a multi-layer ceramic capacitor. The object of the invention is to prepare barium titanate powder having high purity, particle size of submicron order, uniform particle distribution and excellent crys tallinity , by reacting hydrous titanic acid compound prepared via sulfuric acid process with crystalline titanium oxide and barium hydroxide, as the starting material, at a temperature between 60° C. and 300° C. under a pressure between 5 Kgf/cm2 and 50 Kgf/cm2. The process for preparing barium titanate according to the present invention provides barium titanate powder having Ba/Ti molar ratio of 1.000±0.002 and high purity by applying calcination under reductive condition to the solid product obtained from hydrous titanic acid compound prepared via sulfuric acid process with crystalline titanium oxide and barium hydroxide, as the starting substances, to convert barium sulfate, which was produced from residual sulfide in the raw material, to barium titanate.

摘要翻译： 本发明涉及一种制备钛酸钡粉末作为多层陶瓷电容器的基本材料的水热合成方法。 本发明的目的是通过使通过硫酸方法制备的含水钛酸化合物与结晶二氧化钛和氢氧化钡反应，制备具有高纯度，亚微米级数，粒子分布均匀和优异的结晶度的钛酸钡粉末，作为 起始材料，温度为60℃至300℃，压力为5Kgf / cm2至50Kgf / cm2。 根据本发明的制备钛酸钡的方法通过在还原条件下对从通过硫酸方法制备的含水钛酸化合物获得的固体产物进行煅烧，提供具有1.000±0.002的Ba / Ti摩尔比的钛酸钡粉末和高纯度， 结晶二氧化钛和氢氧化钡作为起始物质，将由原料中的残留硫化物生成的硫酸钡转化为钛酸钡。

公开(公告)号：US20120244334A1

公开(公告)日：2012-09-27

申请号：US13393188

申请日：2011-12-19

申请人： Sei Ung Park ,  Dong Suek Lee ,  Ju Suk Ryu ,  Seong Jae Lim ,  Si Jin Oh

发明人： Sei Ung Park ,  Dong Suek Lee ,  Ju Suk Ryu ,  Seong Jae Lim ,  Si Jin Oh

IPC分类号： H01B1/04 ,  B32B5/02 ,  H01M4/133 ,  B82Y40/00 ,  B82Y30/00

CPC分类号： H01M4/366 ,  H01G11/36 ,  H01G11/50 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/625 ,  Y02E60/13 ,  Y10T428/249921 ,  Y10T428/2982

摘要： The present invention provides a complex comprising an aggregate of primary particles of an electrode-active transition metal compound and a fibrous carbon material, wherein said fibrous carbon material is present more densely in the surface region of the aggregate than in the inside of the aggregate.

摘要翻译： 本发明提供一种复合体，其包含电极 - 活性过渡金属化合物和纤维状碳材料的一次粒子的聚集体，其中所述纤维状碳材料在聚集体的表面区域比在聚集体的内部更密集地存在。

公开(公告)号：US07854916B2

公开(公告)日：2010-12-21

申请号：US11989856

申请日：2006-08-01

申请人： Sei-Ung Park ,  Choong-Hoon Paik ,  Ju-Suk Ryu ,  Seong-Jae Lim ,  Jin-Soo Baik ,  Young-Soo Jang

发明人： Sei-Ung Park ,  Choong-Hoon Paik ,  Ju-Suk Ryu ,  Seong-Jae Lim ,  Jin-Soo Baik ,  Young-Soo Jang

IPC分类号： C01G23/00 ,  C01F11/02

CPC分类号： C01G23/006 ,  C01P2004/03 ,  C01P2006/42 ,  C04B35/4682 ,  C04B35/6265 ,  C04B35/62655 ,  C04B35/62675 ,  C04B35/6268 ,  C04B2235/528 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/72 ,  C04B2235/77 ,  C04B2235/79

摘要： The present invention relates to a hydrothermal synthesis for preparing barium titanate powder as the essential material for a multi-layer ceramic capacitor. The object of the invention is to prepare barium titanate powder having high purity, particle size of submicron order, uniform particle distribution and excellent crystallinity, by reacting hydrous titanic acid compound prepared via sulfuric acid process with crystalline titanium oxide and barium hydroxide, as the starting material, at a temperature between 60° C. and 300° C. under a pressure between 5 Kgf/cm2 and 50 Kgf/cm2. The process for preparing barium titanate according to the present invention provides barium titanate powder having Ba/Ti molar ratio of 1.000±0.002 and high purity by applying calcination under reductive condition to the solid product obtained from hydrous titanic acid compound prepared via sulfuric acid process with crystalline titanium oxide and barium hydroxide, as the starting substances, to convert barium sulfate, which was produced from residual sulfide in the raw material, to barium titanate.

摘要翻译： 本发明涉及一种制备钛酸钡粉末作为多层陶瓷电容器的基本材料的水热合成方法。 本发明的目的是通过使通过硫酸方法制备的含水钛酸化合物与结晶二氧化钛和氢氧化钡作为起始物来制备具有高纯度，亚微米级数，亚微米粒径分布和优异结晶度的钛酸钡粉末 材料，在5kgf / cm 2至50Kgf / cm 2之间的压力下在60℃至300℃的温度下进行。 根据本发明的制备钛酸钡的方法通过在还原条件下对从通过硫酸方法制备的含水钛酸化合物获得的固体产物进行煅烧，提供具有1.000±0.002的Ba / Ti摩尔比的钛酸钡粉末和高纯度， 结晶二氧化钛和氢氧化钡作为起始物质，将由原料中的残留硫化物生成的硫酸钡转化为钛酸钡。

公开(公告)号：US20140131617A1

公开(公告)日：2014-05-15

申请号：US14130573

申请日：2012-07-09

申请人： Sei Ung Park ,  Ju Suk Ryu ,  Kyu Ho Song ,  Si Jin Oh ,  Dong Suek Lee ,  Seong Jae Lim ,  Ki Taeg Jung ,  Kyoo Seung Han

发明人： Sei Ung Park ,  Ju Suk Ryu ,  Kyu Ho Song ,  Si Jin Oh ,  Dong Suek Lee ,  Seong Jae Lim ,  Ki Taeg Jung ,  Kyoo Seung Han

IPC分类号： H01M4/505 ,  H01G11/50 ,  H01M4/525

CPC分类号： H01G11/50 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/72 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  Y02P20/544

摘要： The present invention relates to a single-phase lithium-deficient lithium multicomponent transition metal oxide having a layered crystal structure represented by the formula Li1-aM11-x-y-zM2xM3yM4zO2, wherein M1 is one or more transition metals having an oxidation number of +3; M2 is one or more transition metals having an oxidation number of +4; M3 is one or more transition metals having an oxidation number of +5; M4 is one or more elements having an oxidation number of +2; x+2y−z>0; x+y+z

摘要翻译： 本发明涉及具有由式Li1-aM11-x-y-zM2xM3yM4zO2表示的层状结晶结构的单相锂缺乏型锂多组分过渡金属氧化物，其中M1是氧化数为+3的一种或多种过渡金属; M2是氧化数为+4的一种或多种过渡金属; M3是氧化数为+5的一种或多种过渡金属; M4是氧化数为+2的一种或多种元素; x + 2y-z> 0; x + y + z <1; 0

公开(公告)号：US20110318583A1

公开(公告)日：2011-12-29

申请号：US13255554

申请日：2010-03-12

申请人： Sei Ung Park ,  Ju Suk Ryu ,  Seong Jae Lim ,  In Jae Baek

发明人： Sei Ung Park ,  Ju Suk Ryu ,  Seong Jae Lim ,  In Jae Baek

IPC分类号： B32B5/16 ,  C04B35/468

CPC分类号： H01G4/1227 ,  C01G23/003 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2006/12 ,  C04B35/4682 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3262 ,  C04B2235/3275 ,  C04B2235/42 ,  C04B2235/442 ,  C04B2235/443 ,  C04B2235/444 ,  C04B2235/447 ,  C04B2235/448 ,  C04B2235/449 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/6582 ,  C04B2235/765 ,  H01G4/30 ,  Y10T428/2982 ,  Y10T428/2993

摘要： Provided is barium titanate based powder represented by Chemical Formula 1: (BaxR1r1R2r2)(TiyR3r3R4r4)O3  [Chemical Formula 1] wherein R1 is at least one element selected from the group consisting of yttrium (Y) and lanthanoids; R2 is at least one element selected from the group consisting of magnesium (Mg), calcium (Ca) and strontium (Sr); R3 includes phosphorus (P) and niobium (Nb); R4 is at least one element selected from the group consisting of aluminum (Al), vanadium (V), chrome (Cr), manganese (Mn), cobalt (Co), zirconium (Zr) and tantalum (Ta); r1 and r3 independently represent a real number greater than 0 and equal to or less than 0.05; r2 and r4 independently represent a real number greater than 0 and equal to or less than 0.1; and (x+r1+r2)/(y+r3+r4) is a real number ranging from 0.85 to 1.15.

摘要翻译： 提供由化学式1表示的钛酸钡系粉末（BaxR1r1R2r2）（TiyR3r3R4r4）O3 [化学式1]其中R1是选自钇（Y）和镧系元素中的至少一种元素; R2是选自镁（Mg），钙（Ca）和锶（Sr）中的至少一种元素; R3包括磷（P）和铌（Nb）; R4是选自铝（Al），钒（V），铬（Cr），锰（Mn），钴（Co），锆（Zr）和钽（Ta）中的至少一种元素; r1和r3独立地表示大于0且等于或小于0.05的实数; r2和r4独立地表示大于0且等于或小于0.1的实数; 和（x + r1 + r2）/（y + r3 + r4）是从0.85到1.15的实数。