公开(公告)号：US20160020487A1

公开(公告)日：2016-01-21

申请号：US14800907

申请日：2015-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Takanobu YAMADA ,  Yasuaki MATSUDA ,  Masaki MATSUI ,  Yuichi AIHARA ,  Nobuyuki IMANISHI

IPC: H01M10/0562 ,  H01M4/36 ,  H01M4/136 ,  H01M4/04 ,  H01M4/46 ,  H01M4/38 ,  H01M4/1397 ,  H01M10/0525 ,  H01M4/134

CPC classification number: H01M4/366 ,  H01M4/13 ,  H01M4/131 ,  H01M4/136 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/1397 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/62 ,  H01M4/622 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2300/0068 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.

Abstract translation: 1.一种锂离子二次电池用正极，所述正极具有包含正极活性物质粒子表面的正极活性物质粒子和反应层的被覆粒子， 以及与所述被覆粒子接触的含硫化物的固体电解质粒子，其中，所述反应层包含除了锂和氧以外的反应性元素，其中，所述反应性元素与所述含硫化物的固体电解质粒子的反应性大于 具有反应性元素与包含在正极活性物质颗粒中的过渡金属元素的反应性，并且其中反应性层的厚度与正极活性物质颗粒的粒径之比在约0.0010至约 0.25。

公开(公告)号：US20140162140A1

公开(公告)日：2014-06-12

申请号：US14099073

申请日：2013-12-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Koji HOSHIBA ,  Satoshi FUJIKI ,  Takanobu YAMADA ,  Yuichi AIHARA

IPC: H01M4/62 ,  H01M10/0562

CPC classification number: H01M4/622 ,  H01M4/623 ,  H01M10/0562

Abstract: An all-solid battery including a positive electrode including a binder, a negative electrode including a binder, and an electrolyte layer disposed between the positive electrode and the negative electrode and including a solid electrolyte, wherein at least one binder of the positive electrode and the negative electrode is cross-linked by a cross-linking agent.

Abstract translation: 一种全固态电池，包括具有粘合剂的正极，包括粘合剂的负极和设置在正极和负极之间的电解质层，并且包括固体电解质，其中至少一个正极和 负极通过交联剂交联。

公开(公告)号：US20140093786A1

公开(公告)日：2014-04-03

申请号：US14098622

申请日：2013-12-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seitaro ITO ,  Satoshi FUJIKI ,  Takanobu YAMADA ,  Yuichi AIHARA

IPC: H01M4/62 ,  H01M10/052 ,  H01M4/131 ,  H01M4/36 ,  H01M10/0562

CPC classification number: H01M4/62 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/366 ,  H01M10/052 ,  H01M10/0562

Abstract: A lithium secondary battery including: a positive electrode, a negative electrode, and a sulfide solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material particle and a coating film including an oxide including lithium (Li) and zirconium (Zr) on a surface of the positive active material particle.

Abstract translation: 1.一种锂二次电池，其特征在于，具备：正极，负极和设置在所述正极和负极之间的硫化物固体电解质的锂二次电池，其中所述正极包括正极活性物质粒子和包含锂的氧化物的涂膜（Li ）和锆（Zr）在正极活性物质颗粒的表面上。