公开(公告)号：US10283757B2

公开(公告)日：2019-05-07

申请号：US15092303

申请日：2016-04-06

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Hyung-Joo Noh ,  Yang-Kook Sun ,  Jang-Wook Park

IPC: H01M4/134 ,  H01M10/0525 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  C01G53/00 ,  H01M10/052 ,  H01M4/13 ,  H01M4/139

Abstract: The present disclosure relates to a positive electrode active material precursor for a lithium secondary battery, a positive electrode active material manufactured by using thereof, and a lithium secondary battery comprising the same. More specifically, it relates to a positive electrode active material precursor for a lithium secondary battery as a secondary particle comprising transition metals, and formed by gathering of a plurality of primary particles having different a-axis direction length to c-axis direction length ratio, wherein the a-axis direction length to c-axis direction length ratio of the primary particle making up the secondary particle is increased from the center to the surface of the secondary particle; a positive electrode active material; and a lithium secondary battery comprising the same.

公开(公告)号：US20160218350A1

公开(公告)日：2016-07-28

申请号：US15092303

申请日：2016-04-06

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Hyung-Joo NOH ,  Yang-Kook SUN ,  Jang-Wook PARK

IPC: H01M4/131 ,  H01M10/0525

CPC classification number: H01M4/134 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/80 ,  C01P2004/04 ,  H01M4/13 ,  H01M4/131 ,  H01M4/139 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

Abstract: The present disclosure relates to a positive electrode active material precursor for a lithium secondary battery, a positive electrode active material manufactured by using thereof, and a lithium secondary battery comprising the same. More specifically, it relates to a positive electrode active material precursor for a lithium secondary battery as a secondary particle comprising transition metals, and formed by gathering of a plurality of primary particles having different a-axis direction length to c-axis direction length ratio, wherein the a-axis direction length to c-axis direction length ratio of the primary particle making up the secondary particle is increased from the center to the surface of the secondary particle; a positive electrode active material; and a lithium secondary battery comprising the same.

Abstract translation: 本发明涉及锂二次电池用正极活性物质前体，使用该正极活性物质的正极活性物质及包含该锂二次电池的锂二次电池。 更具体地说，涉及作为二次粒子的锂二次电池用正极活性物质前体，其包含过渡金属，并且通过将具有不同的a轴方向长度的多个一次粒子聚集成c轴方向长度比而形成， 其中构成二次粒子的一次粒子的a轴方向长度与c轴方向长度比从二次粒子的中心向表面增加; 正极活性物质; 和包含该锂二次电池的锂二次电池。

公开(公告)号：US10950856B2

公开(公告)日：2021-03-16

申请号：US16242713

申请日：2019-01-08

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Gang-Jun Park ,  Hyung-Joo Noh ,  Yang-Kook Sun ,  Jang-Wook Park

IPC: H01M4/36 ,  H01M4/505 ,  C01G53/00 ,  H01M4/525 ,  H01M4/131 ,  H01M10/0525 ,  H01M4/02

Abstract: Positive electrode active materials are provided. The positive electrode active materials include a primary particle formed of a plurality of metals including a first metal and a secondary particle formed of at least one of the primary particle. The secondary particle includes a center part, a surface part, a seed region where the primary particle having concentration gradient of the first metal is disposed, and a maintain region where the primary particle having constant concentration of the first metal is disposed, the seed region adjacent to the core part and a maintain region adjacent to the surface part, the length of the seed region in a direction from the center part to the surface part is 1 μm.

公开(公告)号：US20160049647A1

公开(公告)日：2016-02-18

申请号：US14926282

申请日：2015-10-29

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Gang-Jun PARK ,  Hyung-Joo Noh ,  Yang-Kook Sun ,  Jang-Wook Park

IPC: H01M4/36 ,  H01M10/0525

CPC classification number: H01M4/366 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/80 ,  C01P2004/04 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021

Abstract: Positive electrode active materials are provided. The positive electrode active materials includes a primary particle formed of a plurality of metals including a first metal and a secondary particle formed of at least one of the primary particle. The secondary particle includes a core part, a shell part, a seed region where the primary particle having concentration gradient of the first metal is disposed and a maintain region where the primary particle having constant concentration of the first metal is disposed, the seed region adjacent to the core part and a maintain region adjacent to the sell part, and length of the seed region in a direction from the core part to the shell part is 1 μm.

Abstract translation: 提供正极活性物质。 正极活性物质包括由多种金属形成的初级粒子，其包括第一金属和由至少一种初级粒子形成的二次粒子。 二次粒子包括核心部分，壳部分，其中设置有第一金属的浓度梯度的一次粒子的种子区域和设置有第一金属浓度的一次粒子的维持区域，相邻的种子区域 到核心部分和与销售部分相邻的维护区域，并且从核心部分到壳部分的方向上的种子区域的长度为1μm。

公开(公告)号：US20190148721A1

公开(公告)日：2019-05-16

申请号：US16242713

申请日：2019-01-08

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Gang-Jun Park ,  Hyung-Joo Noh ,  Yang-Kook Sun ,  Jang-Wook Park

IPC: H01M4/36 ,  H01M4/505 ,  C01G53/00 ,  H01M4/525

Abstract: Positive electrode active materials are provided. The positive electrode active materials includes a primary particle formed of a plurality of metals including a first metal and a secondary particle formed of at least one of the primary particle. The secondary particle includes a core part, a shell part, a seed region where the primary particle having concentration gradient of the first metal is disposed and a maintain region where the primary particle having constant concentration of the first metal is disposed, the seed region adjacent to the core part and a maintain region adjacent to the sell part, and length of the seed region in a direction from the core part to the shell part is 1 μm.

公开(公告)号：US20170338488A1

公开(公告)日：2017-11-23

申请号：US15666000

申请日：2017-08-01

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Yangkook SUN ,  Chongseung YOON ,  Gangjun PARK ,  Jangwook PARK

IPC: H01M4/525 ,  H01M10/0525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/02

CPC classification number: H01M4/525 ,  C01G53/00 ,  C01G53/50 ,  C01P2002/01 ,  C01P2002/30 ,  C01P2002/52 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/028

Abstract: A lithium metal composite oxide includes a primary particle having a hexagonal crystal structure, and a primary particle having a cubic crystal structure.

公开(公告)号：US20150340686A1

公开(公告)日：2015-11-26

申请号：US14652684

申请日：2013-12-26

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Yang Kook SUN ,  Hyung Joo NOH ,  Sung Joun YOUN

IPC: H01M4/36 ,  H01M4/525 ,  H01M10/052 ,  H01M4/40

CPC classification number: H01M4/364 ,  C01G53/50 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2004/82 ,  C01P2004/84 ,  C01P2006/11 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/405 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021 ,  H01M2220/30

Abstract: The present disclosure relates to a cathode active material for a lithium secondary battery, and more particularly, to a cathode active material, which is used for a lithium secondary battery and is prepared to include a mixture of particles with different particle sizes and thereby to have an improved tap density. At least one particle of the mixture of the particles is provided to have a gradient in internal concentration.

Abstract translation: 本发明涉及一种锂二次电池用正极活性物质，更具体地说，涉及一种用于锂二次电池的正极活性物质，其制备方法包括具有不同粒径的粒子的混合物，从而具有 提高了振实密度。 提供颗粒混合物的至少一个颗粒以具有内部浓度的梯度。

公开(公告)号：US10224541B2

公开(公告)日：2019-03-05

申请号：US14926282

申请日：2015-10-29

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Gang-Jun Park ,  Hyung-Joo Noh ,  Yang-Kook Sun ,  Jang-Wook Park

IPC: H01M4/36 ,  H01M10/0525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M4/02

Abstract: Positive electrode active materials are provided. The positive electrode active materials includes a primary particle formed of a plurality of metals including a first metal and a secondary particle formed of at least one of the primary particle. The secondary particle includes a core part, a shell part, a seed region where the primary particle having concentration gradient of the first metal is disposed and a maintain region where the primary particle having constant concentration of the first metal is disposed, the seed region adjacent to the core part and a maintain region adjacent to the sell part, and length of the seed region in a direction from the core part to the shell part is 1 μm.

公开(公告)号：US09337487B2

公开(公告)日：2016-05-10

申请号：US14118661

申请日：2013-06-10

Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC

Inventor： Yang-Kook Sun ,  Hyung-Joo Noh ,  Jang-Wook Park

IPC: H01M4/485 ,  H01M4/13 ,  H01M4/525 ,  H01M4/505 ,  C01G53/00 ,  H01M10/052 ,  H01M4/131 ,  H01M4/02

CPC classification number: H01M4/131 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/80 ,  C01P2004/04 ,  H01M4/13 ,  H01M4/139 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

Abstract: The present disclosure relates to a positive electrode active material precursor for a lithium secondary battery, a positive electrode active material manufactured by using thereof, and a lithium secondary battery comprising the same. More specifically, it relates to a positive electrode active material precursor for a lithium secondary battery as a secondary particle comprising transition metals, and formed by gathering of a plurality of primary particles having different a-axis direction length to c-axis direction length ratio, wherein the a-axis direction length to c-axis direction length ratio of the primary particle making up the secondary particle is increased from the center to the surface of the secondary particle; a positive electrode active material; and a lithium secondary battery comprising the same.

Abstract translation: 本发明涉及锂二次电池用正极活性物质前体，使用该正极活性物质的正极活性物质及包含该锂二次电池的锂二次电池。 更具体地说，涉及作为二次粒子的锂二次电池用正极活性物质前体，其包含过渡金属，并且通过将具有不同的a轴方向长度的多个一次粒子聚集成c轴方向长度比而形成， 其中构成二次粒子的一次粒子的a轴方向长度与c轴方向长度比从二次粒子的中心向表面增加; 正极活性物质; 和包含该锂二次电池的锂二次电池。

公开(公告)号：US20150357638A1

公开(公告)日：2015-12-10

申请号：US14762156

申请日：2014-02-03

Applicant: IUCF-HYU(INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) ,  ENERCERAMIC INC.

Inventor： Yang Kook SUN ,  Hyung Joo NOH ,  Sang Hyuk LEE

IPC: H01M4/36 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/505

CPC classification number: H01M4/366 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

Abstract: The present invention provides a cathode active material on which at least one coating layer is formed, a method for manufacturing the same, and a lithium secondary battery including the same. According to the present invention, since the coating layer with high electrical conductivity is formed on a surface of the cathode active material, the electrical conductivity is improved to enhance charge/discharge and cycle life characteristics and thermal stability of the battery.

Abstract translation: 本发明提供一种其上形成有至少一个涂层的阴极活性材料，其制造方法和包含该阴极活性材料的锂二次电池。 根据本发明，由于在阴极活性物质的表面上形成具有高导电性的涂层，所以提高导电性，以提高电池的充放电和循环寿命特性和热稳定性。