公开(公告)号：US20220416242A1

公开(公告)日：2022-12-29

申请号：US17773341

申请日：2020-10-30

Applicant: TDK CORPORATION

Inventor： Teiichi TANAKA ,  Takeo TSUKADA

IPC: H01M4/583 ,  H01M10/0562

Abstract: An all-solid-state battery includes an electrode layer, a solid electrolyte layer, an intermediate layer provided at least in a part between the electrode layer and the solid electrolyte layer, the electrode layer includes a current collector layer and an active material layer, the active material layer includes an active material and a carbon material, the intermediate layer has ionic conductivity, the carbon content in the intermediate layer is less than the carbon content in the active material layer.

公开(公告)号：US20220367846A1

公开(公告)日：2022-11-17

申请号：US17765566

申请日：2020-09-29

Applicant: TDK CORPORATION

Inventor： Teiichi TANAKA ,  Takeo TSUKADA

IPC: H01M4/133

Abstract: An all-solid-state battery includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer positioned between the positive electrode layer and the negative electrode layer, the positive electrode layer includes a positive electrode current collector and a positive electrode active material layer which is in contact with the positive electrode current collector, the negative electrode layer includes a negative electrode current collector and a negative electrode active material layer which is in contact with the negative electrode current collector, at least one of the positive electrode active material layer and the negative electrode active material layer has a plurality of voids and a plurality of carbon materials therein, and 8% or more of the plurality of voids are in contact with any of the plurality of carbon materials.

公开(公告)号：US20160268630A1

公开(公告)日：2016-09-15

申请号：US15063989

申请日：2016-03-08

Applicant: TDK CORPORATION

Inventor： Takeo TSUKADA ,  Teiichi TANAKA ,  Hirofumi KAKUTA ,  Taisuke MASUKO

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2300/0077

Abstract: A Li-ion conductive oxide ceramic material including a garnet-type or similar crystal structure according to an aspect of the present disclosure contains Li, La, Zr, and 0, the material further containing one or more elements selected from the group consisting of rare-earth elements, A Li-ion conductive oxide ceramic material including a garnet-type or similar crystal structure according to the other aspects of the present disclosure is represented by the following composition formula (I) Li7+xLa3Zr2-xAxO12 where A is one or more elements selected from the group consisting of rare-earth elements, and x is a number such that 0

Abstract translation: 根据本公开的一个方面，包括石榴石型或类似晶体结构的锂离子传导性氧化物陶瓷材料包含Li，La，Zr和0，所述材料还包含一种或多种选自稀有金属的元素 根据本公开的其他方面的包括石榴石型或类似晶体结构的锂离子传导性氧化物陶瓷材料由以下组成式（I）Li7 + xLa3Zr2-xAxO12表示，其中A是一个或 选自由稀土元素组成的组中的更多元素，x是0

公开(公告)号：US20230064294A1

公开(公告)日：2023-03-02

申请号：US17794380

申请日：2020-12-25

Applicant: TDK CORPORATION

Inventor： Kazumasa TANAKA ,  Teiichi TANAKA ,  Keiko TAKEUCHI

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

Abstract: A laminated all-solid-state battery includes a laminate having positive electrode and positive electrode active material layers, negative electrode layers having negative electrode current collector and negative electrode active material layers, and solid electrolyte layers. The positive and negative electrode layers are alternately laminated with the solid electrolyte layers interposed. The solid electrolyte layers include solid electrolyte layers belonging to first and second groups, the second thicker than the first. The first group includes a first solid electrolyte layer being thinnest. The second group is composed of a second solid electrolyte layer having a thickness of twice or more that of the first. A relationship (1) is satisfied when an average thickness of the plurality of solid electrolyte layers belonging to the first group is defined as ta and an average thickness of the solid electrolyte layers belonging to the second group is defined as tb; 2ta≤tb . . . (1).

公开(公告)号：US20160268628A1

公开(公告)日：2016-09-15

申请号：US15063620

申请日：2016-03-08

Applicant: TDK CORPORATION

Inventor： Taisuke MASUKO ,  Teiichi TANAKA ,  Takeo TSUKADA

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

CPC classification number: H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M10/4235 ,  H01M2300/0071

Abstract: A garnet-type Li-ion conductive oxide containing LixLa3Zr2O12 (6≦x≦8) contains Al and element T (T is one or more from Ni, Cu, Co, and Fe). The content of Al is, in terms of Al2O3, 2.5 mol %≦Al2O3≦15 mol % with respect to a total amount of LixLa3Zr2O12 contained in the garnet-type Li-ion conductive oxide. The content of element T is 25 mol %≦T≦100 mol % with respect to the total amount of LixLa3Zr2O12 contained in the garnet-type Li-ion conductive oxide.

Abstract translation: 含有LixLa3Zr2O12（6≤x≤8）的石榴石型Li离子导电氧化物含有Al和元素T（T是Ni，Cu，Co和Fe中的一种以上）。 相对于石榴石型锂离子传导性氧化物中所含的LixLa 3·Zr 2 O 12的总量，Al的含量以Al 2 O 3计，2.5mol％≤Al2 O 3≤15mol％。 元素T的含量相对于石榴石型锂离子传导性氧化物中所含的LixLa 3·Zr 2 O 12的总量为25摩尔％≤T≤100摩尔％。

公开(公告)号：US20140340821A1

公开(公告)日：2014-11-20

申请号：US14282409

申请日：2014-05-20

Applicant: TDK CORPORATION ,  ENERGY STORAGE MATERIALS LLC

Inventor： Teiichi TANAKA ,  Takeo TSUKADA ,  Takaaki TSURUMI

IPC: H01G11/56

CPC classification number: H01G11/56 ,  B32B18/00 ,  C04B35/447 ,  C04B35/484 ,  C04B2235/3203 ,  C04B2235/3217 ,  C04B2235/3227 ,  C04B2235/3232 ,  C04B2235/441 ,  C04B2235/6025 ,  C04B2235/652 ,  C04B2235/6567 ,  C04B2235/6582 ,  C04B2235/764 ,  C04B2235/782 ,  C04B2235/784 ,  C04B2235/786 ,  C04B2237/348 ,  H01G4/1236 ,  H01G4/30 ,  H01G11/12 ,  Y02E60/13

Abstract: The present invention provides a solid-state ion capacitor. In the solid-state ion capacitor, the particle number in the thickness direction of the solid electrolyte sandwiched between the electrodes was at least 1 and the average particle number was 80 or less. Further, the solid electrolyte includes particles with D10˜D90 in the particle diameters of particle size distribution of 0.5 μm or more and 100 μm or less.

Abstract translation: 本发明提供一种固态离子电容器。 在固态离子电容器中，夹在电极之间的固体电解质的厚度方向的粒子数至少为1，平均粒子数为80以下。 此外，固体电解质包括粒径分布为0.5μm以上且100μm以下的粒径的D10〜D90的粒子。

公开(公告)号：US20220344720A1

公开(公告)日：2022-10-27

申请号：US17765367

申请日：2020-09-29

Applicant: TDK CORPORATION

Inventor： Teiichi TANAKA ,  Takeo TSUKADA

IPC: H01M10/0585 ,  H01M4/13 ,  H01M10/0562

Abstract: This all-solid-state battery includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer positioned between the positive electrode layer and the negative electrode layer, the positive electrode layer includes a positive electrode current collector and a positive electrode active material layer which is in contact with the positive electrode current collector, the negative electrode layer includes a negative electrode current collector and a negative electrode active material layer which is in contact with the negative electrode current collector, at least one of the positive electrode active material layer and the negative electrode active material layer has a plurality of voids therein, and the plurality of voids include an anisotropic void in which an aspect ratio obtained by dividing a length in a major axis direction by a length in a minor axis direction is 2 or more and 29 or less.

公开(公告)号：US20220115663A1

公开(公告)日：2022-04-14

申请号：US17427725

申请日：2020-02-27

Applicant: TDK CORPORATION

Inventor： Teiichi TANAKA

IPC: H01M4/58 ,  H01M10/0562

Abstract: An all-solid-state battery includes: a positive electrode collector layer; positive electrode active material layer; solid electrolyte layer; negative electrode active material layer; and a negative electrode collector layer, wherein the positive and negative electrode active material layer contains a positive and negative electrode active material respectively, and the negative electrode active material contains a compound represented by the following general Expression (I): Lia1Vb1Tic1Ald1(PO4)3 (where, in Expression (I), a1, b1, c1, and d1 indicate numbers in which they satisfy 2.8≤a1

公开(公告)号：US20160268629A1

公开(公告)日：2016-09-15

申请号：US15063906

申请日：2016-03-08

Applicant: TDK CORPORATION

Inventor： Teiichi TANAKA ,  Takeo TSUKADA ,  Taisuke MASUKO

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

CPC classification number: H01M10/0562 ,  H01M10/052 ,  H01M10/0585 ,  H01M2300/0077

Abstract: A garnet-type Li-ion conductive oxide contains Li, La, Zr, and oxygen and contains at least one type of element among elements represented by M1, M2, M3, and M4. M1, M2, M3, and M4 are as follows: M1: One or more types of elements selected from the group consisting of Mg, Ca, Sr, Ba, and Zn; M2: One or more types of elements selected from the group consisting of Al, Ga, Co, Fe, and Y; M3: One or more types of elements selected from the group consisting of Sn and Ge; and M4: One or more types of elements selected from the group consisting of Ta and Nb.

Abstract translation: 石榴石型Li离子导电氧化物含有Li，La，Zr和氧，并且含有由M1，M2，M3和M4表示的元素中的至少一种元素。 M1，M2，M3和M4如下：M1：选自Mg，Ca，Sr，Ba和Zn中的一种或多种元素; M2：选自Al，Ga，Co，Fe和Y中的一种或多种元素; M3：选自Sn和Ge中的一种或多种元素; 和M4：从Ta和Nb组成的组中选出的一种或多种元素。