公开(公告)号：US20150333330A1

公开(公告)日：2015-11-19

申请号：US14707934

申请日：2015-05-08

Applicant: TDK CORPORATION

Inventor： Hiroshi SATO ,  Tetsuya UENO ,  Ayaka HORIKAWA ,  Keitaro OTSUKI

IPC: H01M4/58 ,  H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M2/1673 ,  H01M4/485 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/0525 ,  H01M2010/4292 ,  H01M2300/0071

Abstract: A lithium ion secondary battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer is provided. The positive electrode layer includes a positive electrode current collector layer and a positive electrode active material layer. Positive electrode active material layer includes a positive electrode active material. The negative electrode layer includes a negative electrode current collector layer and a negative electrode active material layer. The negative electrode active material layer includes a negative electrode active material. Solid electrolyte layer between the positive and negative electrode active material layers includes a solid electrolyte. At least one of a ratio of a particle diameter of the solid electrolyte to a particle diameter of the positive electrode active material and a ratio of the particle diameter of the solid electrolyte to a particle diameter of the negative electrode active material is in the range of 1/10 to 1/3.

Abstract translation: 提供了包括正极层，负极层和固体电解质层的锂离子二次电池。 正极层包括正极集电体层和正极活性物质层。 正极活性物质层包括正极活性物质。 负极层包括负极集电体层和负极活性物质层。 负极活性物质层包括负极活性物质。 正极和负极活性物质层之间的固体电解质层包括固体电解质。 固体电解质的粒径与正极活性物质的粒径的比例以及固体电解质的粒径与负极活性物质的粒径的比例中的至少一个为 1/10到1/3。

公开(公告)号：US20150333362A1

公开(公告)日：2015-11-19

申请号：US14707361

申请日：2015-05-08

Applicant: TDK CORPORATION

Inventor： Hiroshi SATO ,  Tetsuya UENO ,  Ayaka HORIKAWA ,  Keitaro OTSUKI

IPC: H01M10/052 ,  H01M4/58 ,  H01M10/0562

CPC classification number: H01M10/0562 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0068

Abstract: A lithium ion secondary battery including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer is provided. The positive electrode layer includes a positive electrode current collector layer and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material. The negative electrode layer includes a negative electrode current collector layer and a negative electrode active material layer. The negative electrode active material layer includes a negative electrode active material. The solid electrolyte layer between the positive and negative electrode active material layers includes a solid electrolyte. At least one of a ratio of a particle diameter of the solid electrolyte to a particle diameter of the positive electrode active material and a ratio of the particle diameter of the solid electrolyte to a particle diameter of the negative electrode active material ranges from 3.0 to 10.0.

Abstract translation: 提供了包括正极层，负极层和固体电解质层的锂离子二次电池。 正极层包括正极集电体层和正极活性物质层。 正极活性物质层包括正极活性物质。 负极层包括负极集电体层和负极活性物质层。 负极活性物质层包括负极活性物质。 正极和负极活性物质层之间的固体电解质层包括固体电解质。 固体电解质的粒径与正极活性物质的粒径的比例以及固体电解质的粒径与负极活性物质的粒径的比例中的至少一个为3.0〜10.0 。

公开(公告)号：US20150333366A1

公开(公告)日：2015-11-19

申请号：US14707722

申请日：2015-05-08

Applicant: TDK CORPORATION

Inventor： Hiroshi SATO ,  Tetsuya UENO ,  Ayaka HORIKAWA ,  Keitaro OTSUKI

IPC: H01M10/0525 ,  H01M4/66 ,  H01M4/38 ,  H01M4/58 ,  H01M10/0562 ,  H01M4/36

CPC classification number: H01M10/0562 ,  H01M4/136 ,  H01M4/362 ,  H01M4/38 ,  H01M4/5825 ,  H01M4/62 ,  H01M4/661 ,  H01M10/0525 ,  H01M2220/30 ,  H01M2300/0068

Abstract: A provided lithium ion secondary battery includes a pair of electrodes and a solid electrolyte layer. The solid electrolyte layer is provided between the pair of electrodes and includes titanium aluminum lithium phosphate. At least one of the pair of electrodes includes vanadium lithium phosphate. At least one of the pair of electrodes includes at least one constituent of titanium and aluminum. The amount of the at least one constituent existing on a side opposite to the solid electrolyte layer is smaller than the amount of the at least one constituent existing on the solid electrolyte layer side.

Abstract translation: 提供的锂离子二次电池包括一对电极和固体电解质层。 固体电解质层设置在该对电极之间，并且包括磷酸铝锂。 该对电极中的至少一个包括磷酸钒锂。 所述一对电极中的至少一个包括钛和铝的至少一种成分。 存在于与固体电解质层相反的一侧存在的至少一种成分的量小于固体电解质层侧存在的至少一种成分的量。