公开(公告)号：US20130095387A1

公开(公告)日：2013-04-18

申请号：US13625681

申请日：2012-09-24

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Chie KAWAMURA ,  Masaki MOCHIGI ,  Daigo ITO ,  Akitoshi WAGAWA ,  Yoichiro OGATA ,  Toshiyuki OCHIAI ,  Isao TAKAHASHI ,  Toshimasa SUZUKI

IPC: H01M4/485

CPC classification number: H01M4/485 ,  C01G23/005 ,  C01P2002/32 ,  C01P2002/52 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C04B35/462 ,  C04B35/6261 ,  C04B35/62625 ,  C04B35/62655 ,  C04B2235/3201 ,  C04B2235/3251 ,  C04B2235/34 ,  C04B2235/402 ,  C04B2235/42 ,  C04B2235/422 ,  C04B2235/424 ,  C04B2235/442 ,  C04B2235/447 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/549 ,  C04B2235/72 ,  C04B2235/727 ,  C04B2235/80 ,  C04B2235/963 ,  H01M10/0525

Abstract: A ceramic material offering both high capacity and high rate characteristics includes, as a main constituent, titanium oxide, and 0.004 to 0.249 percent by mass of potassium, 0.013 to 0.240 percent by mass of phosphorous and 0.021 to 1.049 percent by mass of niobium, has a spinel structure, and preferably has a peak intensity measured on the Li27.84Ti36.816Nb1.344O90 (310) plane by powder X-ray diffraction corresponding to 3/10 of the peak intensity of the Li4Ti5O12 (111) plane or less, or preferably has a maximum primary particle size of 2 μm or less. The ceramic material is used in an electrode which is used in a lithium ion secondary battery.

Abstract translation: 提供高容量和高速率特性的陶瓷材料包括氧化钛作为主要成分，0.004至0.249质量％的钾，0.013至0.240质量％的磷和0.021至1.049质量％的铌，具有 尖晶石结构，并且优选具有通过对应于Li 4 Ti 5 O 12（111）面的峰强度的3/10以下的粉末X射线衍射而在Li 27.84 Ti 36.8 16 Nb 1.334 O 90（310）面上测量的峰强度，或 优选具有2μm以下的最大一次粒径。 陶瓷材料用于锂离子二次电池中使用的电极中。

公开(公告)号：US20130108929A1

公开(公告)日：2013-05-02

申请号：US13625689

申请日：2012-09-24

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Daigo ITO ,  Chie KAWAMURA ,  Masaki MOCHIGI ,  Akitoshi WAGAWA ,  Toshiyuki OCHIAI ,  Isao TAKAHASHI ,  Yoichiro OGATA ,  Toshimasa SUZUKI

IPC: H01M4/485 ,  C01D15/02

CPC classification number: H01M4/131 ,  C01G23/005 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2006/13 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/485 ,  H01M10/052 ,  H01M2004/021

Abstract: A lithium-titanium complex oxide, which exhibits high effective capacity and high rate characteristics, has a particle size distribution as measured by the laser diffraction method such that the maximum particle size (D100) is 20 μm or less, average particle size D50 is 1.0 to 1.5 μm, total frequency of particles whose particle size is greater than twice the average particle size D50 is 16 to 25%, and preferably the specific surface area as measured by the BET method is 6 to 14 m2/g, and preferably the angle of repose is 35 to 50°.

Abstract translation: 具有高有效容量和高速率特性的锂钛复合氧化物具有通过激光衍射法测定的粒径分布，使得最大粒径（D100）为20μm以下，平均粒径D50为1.0 粒径大于平均粒径D50的两倍的粒子的总频率为16〜25％，优选BET法测定的比表面积为6〜14m 2 / g，优选为 的休息时间是35到50°。

公开(公告)号：US20130108928A1

公开(公告)日：2013-05-02

申请号：US13654174

申请日：2012-10-17

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Daigo ITO ,  Chie KAWAMURA ,  Masaki MOCHIGI ,  Akitoshi WAGAWA ,  Toshiyuki OCHIAI ,  Isao TAKAHASHI ,  Yoichiro OGATA ,  Toshimasa SUZUKI

IPC: H01M4/485 ,  C01G23/04

CPC classification number: H01M4/0471 ,  C01G23/005 ,  C01P2004/51 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/13 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M10/052 ,  H01M2004/021 ,  Y10T428/2982

Abstract: A lithium-titanium complex oxide manufactured by the solid phase method is suitable as an active material for a lithium ion secondary battery. The lithium-titanium complex oxide is characterized in that (a) the average particle size D50 based on granularity distribution measurement by the laser diffraction method is 0.5 to 1.0 μm; (b) the maximum particle size D100 based on granularity distribution measurement by the laser diffraction method and maximum primary particle size d100 measured by observation using a scanning electron microscope have a ratio D100/d100 of 1.5 to 15; and (c) the equivalent sphere size DBET calculated from the specific surface area measured by the BET method and above D50 have a ratio D50/DBET of 3 to 7, and preferably the angle of repose is 35 to 50°.

Abstract translation: 通过固相法制造的锂钛复合氧化物适合作为锂离子二次电池的活性物质。 锂钛复合氧化物的特征在于：（a）通过激光衍射法的粒度分布测定的平均粒径D50为0.5〜1.0μm; （b）基于通过激光衍射法的粒度分布测定和使用扫描电子显微镜观察测定的最大一次粒径d100的最大粒径D100的比D100 / d100为1.5〜15; 和（c）由BET法和以上D50测定的比表面积计算的等效球形尺寸DBET的D50 / DBET为3〜7，优选为休止角为35〜50度。