公开(公告)号：US20230246197A1

公开(公告)日：2023-08-03

申请号：US18000879

申请日：2021-05-06

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY ,  NAGASE & CO., LTD. ,  NAGASE CHEMTEX CORPORATION

Inventor： Hiroshi NAGATA ,  Junji AKIMOTO ,  Takehiko HOSHI ,  Tadayuki YABE ,  Yasuo CHIKUSA ,  Tetsuya OTSUKI

IPC: H01M4/62 ,  H01M10/052 ,  H01M4/38 ,  H01M4/58

CPC classification number: H01M4/625 ,  H01M4/382 ,  H01M4/5815 ,  H01M10/052

Abstract: The present invention provides a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state lithium-sulfur battery having an excellent charge/discharge capacity and a method of producing the cathode mixture, by maximally utilizing excellent physical properties of sulfur. The present invention relates to a positive electrode mixture for composite all-solid-state lithium-sulfur batteries, the positive electrode mixture containing sulfur or its discharge product (A); phosphorus pentasulfide (B); conductive carbon (C); and lithium halide (D) at a weight ratio of A:B:C:D of 40-60:15-35:5-20:16-30, wherein a peak at 50 ppm in 31P-MAS NMR has a relative intensity of 40% or less.

公开(公告)号：US20160248094A1

公开(公告)日：2016-08-25

申请号：US15027175

申请日：2014-10-01

Applicant: NAGASE CHEMTEX CORPORATION

Inventor： Hiroshi NAGATA ,  Yasuo CHIKUSA

IPC: H01M4/62 ,  H01M10/054 ,  H01M10/0562 ,  H01M4/136 ,  H01M4/38

CPC classification number: H01M4/62 ,  H01M4/136 ,  H01M4/38 ,  H01M4/381 ,  H01M4/5815 ,  H01M4/625 ,  H01M10/054 ,  H01M10/0562 ,  H01M2004/027 ,  H01M2004/028

Abstract: The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state sodium-sulfur battery in which charge/discharge capacity can be ensured even during operation at normal temperature. The present invention also aims to provide an all-solid-state sodium-sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention relates to a cathode mixture for use in a cathode mixture layer of an all-solid-state sodium-sulfur battery, the cathode mixture including the following components (A) to (C): (A) an ion-conductive material containing phosphorus at a weight ratio of 0.2 to 0.55; (B) sulfur and/or its discharge product; and (C) a conductive material, the component (C) containing a conductive material (C1) having a specific surface area of 1000 m2/g or more.

Abstract translation: 本发明的目的在于使硫的有利物理性能最大化，并提供可以适用于全固态钠硫电池的阴极混合物层的阴极混合物，其中即使在操作期间也能确保充放电容量 在常温下。 本发明的目的还在于提供一种包含阴极混合物层的全固态钠硫电池。 本发明涉及一种用于全固态钠硫电池的阴极混合层的阴极混合物，该阴极混合物包括以下组分（A）至（C）：（A）离子导电材料 含磷重量比为0.2〜0.55; （B）硫和/或其排出产物; 和（C）导电材料，含有比表面积为1000m 2 / g以上的导电材料（C1）的组分（C）。

公开(公告)号：US20160254529A1

公开(公告)日：2016-09-01

申请号：US15027162

申请日：2014-10-01

Applicant: NAGASE CHEMTEX CORPORATION

Inventor： Hiroshi NAGATA ,  Yasuo CHIKUSA

IPC: H01M4/136 ,  H01M4/58 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04

CPC classification number: H01M4/136 ,  H01M4/04 ,  H01M4/13 ,  H01M4/139 ,  H01M4/1397 ,  H01M4/364 ,  H01M4/38 ,  H01M4/5815 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/028 ,  Y02T10/7011

Abstract: The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state lithium-sulfur battery having excellent charge/discharge capacity. The present invention also aims to provide an all-solid-state lithium-sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention relates to a cathode mixture for use in a cathode mixture layer of an all-solid-state lithium-sulfur battery, the cathode mixture containing the following components (A) to (D): (A) sulfur and/or its discharge product; (B) elemental phosphorus and/or PxSy where x and y independently represent an integer that gives a stoichiometric ratio; (C) an ion-conductive material; and (D) a conductive material.

Abstract translation: 本发明的目的在于使硫的有利的物理性质最大化，并提供一种可以适用于具有优异充电/放电容量的全固态锂 - 硫电池的阴极混合物层中的阴极混合物。 本发明的目的还在于提供一种包含阴极混合物层的全固态锂硫电池。 本发明涉及一种用于全固态锂硫电池的阴极混合层的阴极混合物，所述阴极混合物含有以下组分（A）至（D）：（A）硫和/或其 放电产品; （B）元素磷和/或PxSy，其中x和y独立地表示给出化学计量比的整数; （C）离子传导材料; 和（D）导电材料。

公开(公告)号：US20160118660A1

公开(公告)日：2016-04-28

申请号：US14896201

申请日：2014-03-19

Applicant: NAGASE CHEMTEX CORPORATION

Inventor： Hiroshi NAGATA ,  Yasuo CHIKUSA

IPC: H01M4/58 ,  H01M10/052

CPC classification number: H01M4/5815 ,  H01M4/136 ,  H01M4/38 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562

Abstract: The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state lithium sulfur battery exhibiting excellent charge/discharge capacity. The present invention also aims to provide an all-solid-state lithium sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention provides a cathode mixture for use in a cathode mixture layer of an all-solid-state lithium sulfur battery, the cathode mixture containing: (A) an ion-conductive material containing phosphorus at a weight ratio of 0.2 to 0.55; (B) sulfur and/or its discharge product (B); and (C) a conductive material, the amount of the component (B) being 40% by weight or more of the total amount of the components (A), (B), and (C).

Abstract translation: 本发明的目的在于使硫的有利的物理性能最大化，并提供一种阴极混合物，其可以适用于具有优异充电/放电容量的全固态锂硫电池的阴极混合物层。 本发明还旨在提供一种包括含有阴极混合物的阴极混合物层的全固态锂硫电池。 本发明提供一种用于全固态锂硫电池的阴极混合层的阴极混合物，所述阴极混合物包含：（A）含有重量比为0.2至0.55的磷的离子传导材料; （B）硫和/或其排出产物（B）; 和（C）导电材料，组分（B）的量为组分（A），（B）和（C）总量的40重量％以上。