公开(公告)号：US11908995B2

公开(公告)日：2024-02-20

申请号：US17335988

申请日：2021-06-01

申请人： TAIYO YUDEN CO., LTD.

发明人： Daigo Ito ,  Takato Satoh ,  Sachie Tomizawa ,  Chie Kawamura

IPC分类号： H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M50/15

CPC分类号： H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M50/15 ,  H01M2300/0068 ,  H01M2300/0071 ,  H01M2300/0077

摘要： An all solid battery includes: a solid electrolyte layer; a positive electrode layer provided on a first face of the solid electrolyte layer, a part of the positive electrode layer extending to a first edge portion of the solid electrolyte layer; a first margin layer that is provided on an area of the solid electrolyte layer where the positive electrode is not provided; a negative electrolyte layer provided on a second face of the solid electrolyte layer, a part of the negative electrolyte layer extending to a second edge portion of the solid electrolyte layer; a second margin layer that is provided on an area of the second face of the solid electrolyte layer where the negative electrolyte layer is not provided; wherein a main component of the first margin layer and the second margin layer is solid electrolyte of which ionic conductivity is lower than that of the solid electrolyte layer.

公开(公告)号：US11581574B2

公开(公告)日：2023-02-14

申请号：US17105071

申请日：2020-11-25

申请人： TAIYO YUDEN CO., LTD.

发明人： Takato Sato ,  Daigo Ito ,  Sachie Tomizawa ,  Chie Kawamura ,  Masashi Sekiguchi

IPC分类号： H01M10/0562 ,  H01M4/36 ,  H01M10/0525 ,  H01M10/0585

摘要： An all solid battery includes a solid electrolyte layer of which a main component is a Li—Al-M-PO4-based phosphoric acid salt, a first electrode layer that is provided on a first main face of the solid electrolyte layer and includes an active material, and a second electrode layer that is provided on a second main face of the solid electrolyte layer and includes an active material. “M” is at least one of Ge, Ti, and Zr. A region in which a ratio of MO2 with respect to Li—Al-M-PO4 is 5% or more is unevenly distributed from a center in a thickness of the solid electrolyte layer to 0.4 A downward and to 0.4 A upward, when the thickness of the solid electrolyte layer is expressed by “A”.

公开(公告)号：US11177073B2

公开(公告)日：2021-11-16

申请号：US16882342

申请日：2020-05-22

申请人： TAIYO YUDEN CO., LTD.

发明人： Chie Kawamura ,  Kazumichi Hiroi ,  Osamu Hattori

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

摘要： A manufacturing method of ceramic powder includes: synthesizing barium titanate powder from barium carbonate, titanium dioxide, manganese carbonate, and one of ammonium molybdate and tungsten oxide, wherein: a solid solution amount of the donor element 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 on a presumption that the amount of the barium titanate is 100 mol and the acceptor element is converted into an oxide; 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：US11431015B2

公开(公告)日：2022-08-30

申请号：US16790140

申请日：2020-02-13

申请人： TAIYO YUDEN CO., LTD.

发明人： Chie Kawamura ,  Xinyu Li

IPC分类号： H01M8/12 ,  H01M4/86 ,  H01M4/90

摘要： 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：US09919970B2

公开(公告)日：2018-03-20

申请号：US15364175

申请日：2016-11-29

申请人： TAIYO YUDEN CO., LTD.

发明人： Kunihiko Nagaoka ,  Kazumichi Hiroi ,  Minoru Ryu ,  Chie Kawamura

IPC分类号： C04B35/468 ,  H01G4/12 ,  H01G4/30 ,  H01G4/005

CPC分类号： C04B35/4682 ,  C01G23/006 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/74 ,  C01P2002/85 ,  C01P2004/62 ,  C01P2006/12 ,  C04B35/62675 ,  C04B2235/3215 ,  C04B2235/3224 ,  C04B2235/3232 ,  C04B2235/3236 ,  C04B2235/3239 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3262 ,  C04B2235/3418 ,  C04B2235/5409 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/785 ,  H01G4/005 ,  H01G4/1227 ,  H01G4/30

摘要： Dielectric layers are prepared using a dielectric material that contains a ceramic powder having Ba, Ti, and additive element X which is solid-solubilized and is at least one element selected from the group consisting of Mo, Ta, Nb, and W, wherein the standard deviation of the ratio of the peak intensity of the additive element X (XKα) measured by STEM-EDX, and the sum of the peak intensity of the Ti and peak intensity of the Ba (BaLα+TiKα) measured by STEM-EDX, is less than 10.5% of the average ratio as measured at a total of five points including the three points that divide the maximum diameter of one grain of the ceramic powder into four equal parts, and two excluding the center point of the three points that divide the diameter crossing at right angles with the maximum diameter at its center point, into four equal parts.

公开(公告)号：US08758940B2

公开(公告)日：2014-06-24

申请号：US13688046

申请日：2012-11-28

申请人： Taiyo Yuden Co., LTD.

发明人： Keiko Shiroki ,  Chie Kawamura ,  Daigo Ito ,  Akitoshi Wagawa ,  Masaki Mochigi ,  Toshimasa Suzuki

IPC分类号： H01M4/485

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

摘要： 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.

摘要翻译： 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得到的粒度分布的平均粒径D50优选为0.6 至1.5μm。

公开(公告)号：US11916188B2

公开(公告)日：2024-02-27

申请号：US16822394

申请日：2020-03-18

申请人： TAIYO YUDEN CO., LTD.

发明人： Sachie Tomizawa ,  Daigo Ito ,  Chie Kawamura ,  Masashi Sekiguchi ,  Takato Satoh

IPC分类号： H01M10/0562 ,  H01M4/133 ,  H01M4/02

CPC分类号： H01M10/0562 ,  H01M4/133 ,  H01M2004/021 ,  H01M2300/0008

摘要： An all solid battery includes: a solid electrolyte layer including a glass component, a main component of the solid electrolyte layer being phosphoric acid salt-based solid electrolyte; and electrode layers that are provided on both main faces of the solid electrolyte layer, wherein the electrode layers include a carbon material having an average particle diameter of 40 nm or more and 120 nm or less, wherein a DBP oil absorption of the carbon material is 200 mL/100 g or less.

公开(公告)号：US11784317B2

公开(公告)日：2023-10-10

申请号：US16999034

申请日：2020-08-20

申请人： TAIYO YUDEN CO., LTD.

发明人： Xinyu Li ,  Chie Kawamura

IPC分类号： H01M4/86 ,  H01M8/1246 ,  H01M4/90 ,  H01M8/12 ,  H01M4/88

CPC分类号： H01M4/8673 ,  H01M4/861 ,  H01M4/8621 ,  H01M4/8652 ,  H01M4/8657 ,  H01M4/8846 ,  H01M4/8885 ,  H01M4/8889 ,  H01M4/9033 ,  H01M8/1246 ,  H01M2004/8684 ,  H01M2008/1293 ,  H01M2300/0074

摘要： A solid oxide fuel cell includes: a support layer mainly composed of a metal; an anode supported by the support; and a mixed layer interposed between the support and the anode, wherein the anode includes an electrode bone structure composed of a ceramic material containing a first oxide having electron conductivity and a second oxide having oxygen ion conductivity, and the mixed layer has a structure in which a metallic material and a ceramic material are mixed.

公开(公告)号：US11588172B2

公开(公告)日：2023-02-21

申请号：US15792737

申请日：2017-10-24

申请人： TAIYO YUDEN CO., LTD.

发明人： Daigo Ito ,  Takeyuki Fukushima ,  Hidenori Somei ,  Yoichiro Ogata ,  Chie Kawamura

IPC分类号： H01M10/0525 ,  H01M4/525 ,  H01M4/58 ,  H01M10/052 ,  H01M10/0562 ,  G01N23/20 ,  H01M4/02

摘要： 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：US11575137B2

公开(公告)日：2023-02-07

申请号：US16684454

申请日：2019-11-14

申请人： TAIYO YUDEN CO., LTD.

发明人： Xinyu Li ,  Chie Kawamura

IPC分类号： H01M8/0232 ,  H01M8/2425 ,  H01M8/0258 ,  H01M8/12 ,  H01M8/026 ,  H01M8/0202

摘要： A fuel cell stack includes: a first fuel cell and a second fuel cell, each of which has a structure in which a solid oxide electrolyte layer having oxygen ion conductivity is provided between two electrode layers; and an interconnector that is provided between the first fuel cell and the second fuel cell and has a separator made of a metal material, wherein the interconnector has a first metal porous part and a first gas passage on a first face of the separator on a side of the first fuel cell, wherein the interconnector has a second metal porous part and a second gas passage on a second face of the separator on a side of the second fuel cell.