公开(公告)号：US20200274182A1

公开(公告)日：2020-08-27

申请号：US16790140

申请日：2020-02-13

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Chie KAWAMURA ,  Xinyu LI

IPC: H01M8/12 ,  H01M4/86 ,  H01M4/90

Abstract: A fuel cell includes: a porous anode; and an electrolyte layer that is provided on the anode and includes solid oxide having oxygen ion conductivity, wherein the anode has a structure in which an anode catalyst is provided in a void, wherein, in a cross section of the anode and the electrolyte layer in a stacking direction thereof, an average void diameter of voids in the anode is 0.1 μm or more and 2 μm or less, wherein, in the cross section, a D10% diameter of void diameter distribution of the voids in the anode is 0.1 μm or mode and 2 μm or less, wherein a D90% diameter of the void diameter distribution is 1 μm or more and 7 μm or less.

公开(公告)号：US20190043668A1

公开(公告)日：2019-02-07

申请号：US16155623

申请日：2018-10-09

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Chie KAWAMURA ,  Kazumichi HIROI ,  Osamu HATTORI

IPC: H01G4/30 ,  B32B18/00 ,  C04B35/468 ,  H01G4/12 ,  C04B35/626 ,  C01G23/00

Abstract: Ceramic powder includes: barium titanate as a main component, wherein: a donor element having a larger valence than Ti is solid-solved in the barium titanate; an acceptor element having a smaller valence than Ti and larger ion radius than Ti and the donor element is solid-solved in the barium titanate, a solid solution amount of the donor element with respect to the barium titanate is 0.05 mol or more and 0.3 mol or less; a solid solution amount of the accepter element with respect to the barium titanate is 0.02 mol or more and 0.2 mol or less; and relationships y≥−0.0003x+1.0106, y≤−0.0002x+1.0114, 4≤x≤25 and y≤1.0099 are satisfied when a specific surface area of the ceramic powder is “x” and an axial ratio c/a of the ceramic powder is “y”.

公开(公告)号：US20170032895A1

公开(公告)日：2017-02-02

申请号：US15220120

申请日：2016-07-26

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Yoichiro OGATA ,  Chie KAWAMURA ,  Tetsuo SHIMURA ,  Minoru RYU ,  Yoshiki IWAZAKI

IPC: H01G4/12 ,  H01G4/30

CPC classification number: H01G4/1227 ,  H01G4/30

Abstract: A multilayer ceramic capacitor includes a laminate constituted by internal electrode layers of different polarities alternately stacked via dielectric layers, wherein the multilayer ceramic capacitor is such that the dielectric layers contain ceramic grains whose primary component is BaTiO3, the ceramic grains contain Mo, Mn, and rare earth R, and the average valence number of Mo in the ceramic grains is 4.18 to 4.60. The multilayer ceramic capacitor can offer excellent service life characteristics and bias characteristics even when the thickness of the dielectric layer is 0.8 μm or less.

Abstract translation: 多层陶瓷电容器包括由电介质层交替层叠的具有不同极性的内部电极层构成的层叠体，其中，所述多层陶瓷电容器使得所述电介质层含有主要成分为BaTiO 3的陶瓷晶粒，所述陶瓷粒子含有Mo，Mn， 稀土R，陶瓷晶粒中Mo的平均价数为4.18〜4.60。 即使当电介质层的厚度为0.8μm以下时，多层陶瓷电容器也能够提供优异的使用寿命特性和偏置特性。

公开(公告)号：US20250158111A1

公开(公告)日：2025-05-15

申请号：US18727244

申请日：2023-01-19

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Chie KAWAMURA

IPC: H01M10/0562 ,  H01G4/008 ,  H01G4/012 ,  H01G4/12 ,  H01G4/224 ,  H01G4/30 ,  H01M10/0585

Abstract: A multilayer ceramic electronic device includes a multilayer structure that has a side margin that is provided so as to cover ends of internal electrode layers extending toward two side faces and has a thickness of 10 μm or more and 70 μm or less, wherein with reference to a first straight line drawn from a tip on a side of the side margin in an opposing direction in which the two side faces oppose each other, a distance between the tip and one of a first position where the thickness to a surface on one side in a thickness direction first reaches a maximum value from the tip and a second position where the thickness to a surface on the other side first reaches a maximum value from the tip which is located closer to the tip in the opposing direction is 15 μm or less.

公开(公告)号：US20210104753A1

公开(公告)日：2021-04-08

申请号：US17031666

申请日：2020-09-24

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Xinyu LI ,  Chie KAWAMURA

IPC: H01M4/90 ,  H01M4/86 ,  H01M4/88 ,  H01M8/1213

Abstract: A solid oxide fuel cell includes a support of which a main component is a metal, and an anode supported by the support, wherein the anode includes a first oxide having electron conductivity, wherein the first oxide is perovskite type oxide expressed as a composition formula ABO3, wherein “A” of the composition formula includes at least one of Ca, Sr, Ba and La, wherein “B” of the composition formula includes at least Cr.

公开(公告)号：US20200091522A1

公开(公告)日：2020-03-19

申请号：US16568005

申请日：2019-09-11

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Daigo ITO ,  Takato SATOH ,  Sachie TOMIZAWA ,  Chie KAWAMURA

IPC: H01M6/18 ,  H01M10/0562 ,  H01M4/40 ,  H01M4/58

Abstract: An all solid battery includes: a solid electrolyte layer of which a main component is phosphoric acid salt-based solid electrolyte; a positive electrode layer that is formed on a first main face of the solid electrolyte layer; and a negative electrode layer that is formed on a second main face of the solid electrolyte layer, wherein the positive electrode layer includes a positive electrode active material and a solid electrolyte, wherein a discharge capacity of the solid electrolyte of the positive electrode layer is 20% to 50% on a presumption that a discharge capacity of the positive electrode active material is 100%.

公开(公告)号：US20180115016A1

公开(公告)日：2018-04-26

申请号：US15792737

申请日：2017-10-24

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Daigo ITO ,  Takeyuki FUKUSHIMA ,  Hidenori SOMEI ,  Yoichiro OGATA ,  Chie KAWAMURA

IPC: H01M10/0525 ,  H01M4/525

CPC classification number: H01M10/0525 ,  G01N23/20075 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0562 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0068 ,  H01M2300/0088

Abstract: An all-solid-state battery includes a pair of electrode layers consisting of first and second electrode layers, and a solid-state electrolyte layer positioned between the pair of electrode layers, wherein the first electrode layer contains an electrode active material having an olivine-type crystalline structure, the solid-state electrolyte layer contains a solid-state electrolyte having a NASICON-type crystalline structure, and the solid-state electrolyte layer in the vicinity of the first electrode layer is expressed by a composition formula LixAyCozM′aM″bP3Oc. The all-solid-state battery can improve the long-term cycle stability.

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：US20210203004A1

公开(公告)日：2021-07-01

申请号：US16952998

申请日：2020-11-19

Applicant: TAIYO YUDEN CO., LTD.

Inventor： Chie KAWAMURA ,  Kotaro MIZUNO

IPC: H01M10/0585 ,  H01M10/0562 ,  H01M10/0525

Abstract: An all solid battery includes a solid electrolyte layer, a first electrode structure that has a structure in which a first electric collector layer of which a main component is a conductive material is sandwiched by two first electrode layers including an active material, and a second electrode structure that has a structure in which a second electric collector layer of which a main component is a conductive material is sandwiched by two second electrode layers including an active material. Roughness of interfaces between the first electric collector layer and the two first electrode layers and/or roughness of interfaces between the second electric collector layer and the two second electrode layers is larger than roughness of interfaces between the solid electrolyte layer, and the first electrode layer and the second electrode layer sandwiching the solid electrolyte layer.