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：US20130260251A1

公开(公告)日：2013-10-03

申请号：US13688046

申请日：2012-11-28

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Keiko SHIROKI ,  Chie KAWAMURA ,  Daigo ITO ,  Akitoshi WAGAWA ,  Masaki MOCHIGI ,  Toshimasa SUZUKI

IPC: H01M4/485

CPC classification number: H01M4/485 ,  C01G23/005 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/10 ,  C01P2006/12 ,  Y02E60/122

Abstract: A lithium-titanium complex oxide containing Li4Ti5O12 is characterized in that, based on SEM observation, the number-based percentage of particles whose size is less than 0.1 μm is 5 to 15% or 40 to 65%, the number-based percentage of particles whose size is 0.3 to 1.5 μm is 15 to 30%, the specific surface area measured by the BET method is 5.8 to 10.1 m2/g, and the average particle size D50 according to the particle size distribution measured by laser diffraction measurement is preferably 0.6 to 1.5 μm.

Abstract translation: 含有Li 4 Ti 5 O 12的锂钛复合氧化物的特征在于，通过SEM观察，尺寸小于0.1μm的粒子的数量比率为5〜15％或40〜65％，粒子的数量比例 其尺寸为0.3〜1.5μm为15〜30％，通过BET法测定的比表面积为5.8〜10.1m 2 / g，根据通过激光衍射测定测定的粒度分布的平均粒径D50优选为0.6 至1.5毫米。

公开(公告)号：US20130105730A1

公开(公告)日：2013-05-02

申请号：US13654162

申请日：2012-10-17

Applicant: TAIYO YUDEN CO., LTD.

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

IPC: H01M4/485

CPC classification number: H01M4/131 ,  C01G23/005 ,  C01P2002/60 ,  C01P2002/74 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/485 ,  H01M10/0525

Abstract: A lithium-titanium complex oxide manufactured by the solid phase method is suitable as an active material for a lithium ion secondary battery capable of achieving both a high capacity and high rate characteristics. The main constituent of the lithium-titanium complex oxide is Li4Ti5O12 and, when the main peak intensities of each Li4Ti5O12, Li2TiO3 and TiO2 phase detected from an X-ray diffraction pattern are given by I1, I2 and I3, respectively, I1/(I1+I2+I3) is 96% or more, where the crystallite size of Li4Ti5O12 as calculated by Scherrer's equation from the half width of the peak on its (111) plane in the above X-ray diffraction pattern is 520 Å to 590 Å.

Abstract translation: 通过固相法制造的锂钛复合氧化物适合作为能够实现高容量和高速率特性的锂离子二次电池的活性物质。 锂钛复合氧化物的主要成分是Li 4 Ti 5 O 12，当从X射线衍射图中检测到的各Li 4 Ti 5 O 12，Li 2 TiO 3和TiO 2相的主峰强度分别由I1，I2和I3给出时，I1 /（I1 + I2 + I3）为96％以上，其中通过Scherrer方程计算的Li 4 Ti 5 O 12在上述X射线衍射图中的（111）面上的峰的半值宽度的微晶尺寸为520〜590。

公开(公告)号：US20130161558A1

公开(公告)日：2013-06-27

申请号：US13688032

申请日：2012-11-28

Applicant: TAIYO YUDEN CO., LTD.

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

IPC: H01M4/485

CPC classification number: H01M4/485 ,  C01G23/005 ,  C01P2002/32 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/74 ,  C01P2002/85 ,  C01P2006/12 ,  C01P2006/80 ,  H01M4/131

Abstract: A lithium-titanium complex oxide in a particulate form whose main ingredient is Li4Ti5O12 contains potassium (K), wherein (SSK/SSTi)/(Ck) is 12 or less and preferably (SSK/SSTi)−(SIK/SITi) is 0.01 or less, where SSK is the K2p peak area of potassium (K) and SSTi is the Ti2p peak area of titanium (Ti) based on X-ray photoelectron spectral measurement of the particle surface, Ck is the content ratio (percent by mass) of potassium (K), SIK is the K2p peak area of potassium (K) and SITi is the Ti2p peak area of titanium (Ti) based on X-ray photoelectron spectral measurement in the interior of the particle. The lithium-titanium complex oxide is suitable for manufacture of high-capacity batteries.

Abstract translation: 主要成分为Li 4 Ti 5 O 12的颗粒状的锂 - 钛复合氧化物含有钾（K），其中（SSK / SSTi）/（Ck）为12以下，优选为（SSK / SSTi） - （SIK / SITi）为0.01 或更低，其中SSK是钾（K）的K2p峰面积，SSTi是基于颗粒表面的X射线光电子能谱测量的钛（Ti）的Ti2p峰面积，Ck是含量比（质量百分比） 的钾（K），SIK是钾（K）的K2p峰面积，SITi是基于颗粒内部的X射线光电子光谱测量的钛（Ti）的Ti2p峰面积。 锂钛复合氧化物适用于大容量电池的制造。

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。