公开(公告)号：US08734676B2

公开(公告)日：2014-05-27

申请号：US13623458

申请日：2012-09-20

Applicant: LG Chem, Ltd.

Inventor： Hyun Kuk Noh ,  Hong Kyu Park ,  Cheol-Hee Park ,  Su-Min Park ,  JiEun Lee

IPC: H01M4/06 ,  H01M4/525

CPC classification number: H01M4/366 ,  C01B25/26 ,  C01B25/30 ,  C01B25/45 ,  H01M4/0416 ,  H01M4/1397 ,  H01M4/5825 ,  Y02E60/122 ,  Y02P70/54

Abstract: Disclosed is lithium iron phosphate having an olivine crystal structure, wherein the lithium iron phosphate has a composition represented by the following Formula 1 and carbon (C) is coated on the particle surface of the lithium iron phosphate containing a predetermined amount of sulfur (S). Li1+aFe1−xMx(PO4−b)Xb  (1) (wherein M, X, a, x, and b are the same as defined in the specification).

Abstract translation: 公开了具有橄榄石晶体结构的磷酸铁锂，其中磷酸铁锂具有由下式1表示的组成，并且碳（C）涂覆在含有预定量硫（S）的磷酸铁锂的颗粒表面上， 。 Li1 + aFe1-xMx（PO4-b）Xb（1）（其中M，X，a，x和b与说明书中定义相同）。

公开(公告)号：US20140080001A1

公开(公告)日：2014-03-20

申请号：US14087624

申请日：2013-11-22

Applicant: LG Chem, Ltd.

Inventor： Chang Joo Han ,  KyungHee Han ,  Su-min Park ,  JiEun Lee

IPC: H01M4/36

CPC classification number: H01M4/364 ,  H01M2/166 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a high energy density lithium secondary battery including: a cathode including, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite having a specific surface area (with respect to capacity) of 0.005 to 0.013 m2/mAh as an anode active material; and a separator.

Abstract translation: 公开了一种高能量密度锂二次电池，其包括：阴极，包括作为阴极活性材料的由下述通式1表示的具有层状结构的第一正极活性物质和由下述通式2表示的具有尖晶石的第二正极活性物质 结构，其中所述第一阴极活性材料的量基于所述阴极活性材料的总重量为40至100重量％; 包含作为负极活性物质的比表面积（相对于容量）为0.005〜0.013m 2 / mAh的结晶石墨的阳极; 和分隔符。

公开(公告)号：US09985278B2

公开(公告)日：2018-05-29

申请号：US14087624

申请日：2013-11-22

Applicant: LG Chem, Ltd.

Inventor： Chang Joo Han ,  KyungHee Han ,  Su-min Park ,  JiEun Lee

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  H01M4/587 ,  H01M10/0525 ,  H01M2/16 ,  H01M4/485

CPC classification number: H01M4/364 ,  H01M2/166 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a high energy density lithium secondary battery including a cathode. The cathode contains, as cathode active materials, a first cathode active material having a layered structure and a second cathode active material having a spinel structure. The amount of the first cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials. The high density lithium secondary battery further comprises an anode, including crystalline graphite having a specific surface area (with respect to capacity) of 0.005 to 0.013 m2/mAh as an anode active material, as well as a separator.

公开(公告)号：US09812707B2

公开(公告)日：2017-11-07

申请号：US14251333

申请日：2014-04-11

Applicant: LG CHEM, LTD.

Inventor： Hyun Kuk Noh ,  Hong Kyu Park ,  Cheol-Hee Park ,  Su-min Park ,  JiEun Lee

IPC: H01M4/36 ,  H01M4/04 ,  C01B25/45 ,  C01B25/30 ,  C01B25/26 ,  H01M4/58 ,  H01M4/1397

CPC classification number: H01M4/366 ,  C01B25/26 ,  C01B25/30 ,  C01B25/45 ,  H01M4/0416 ,  H01M4/1397 ,  H01M4/5825 ,  Y02E60/122 ,  Y02P70/54

Abstract: Disclosed is lithium iron phosphate having an olivine crystal structure, wherein the lithium iron phosphate has a composition represented by the following Formula 1 and carbon (C) is coated on the particle surface of the lithium iron phosphate containing a predetermined amount of sulfur (S). Li1+aFe1−xMx(PO4−b)Xb  (1) (wherein M, X, a, x, and b are the same as defined in the specification).

公开(公告)号：US09263737B2

公开(公告)日：2016-02-16

申请号：US14087572

申请日：2013-11-22

Applicant: LG Chem, Ltd.

Inventor： KyungHee Han ,  Chang Joo Han ,  Su-min Park ,  JiEun Lee

IPC: H01M4/36 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/131 ,  H01M4/587 ,  H01M4/02 ,  H01M2/16 ,  H01M4/485

CPC classification number: H01M4/364 ,  H01M2/166 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator.

Abstract translation: 公开了一种高输出锂二次电池，其包括：阴极，其包括作为阴极活性材料的由下述通式1表示的具有层状结构的第一正极活性物质和由下述式2表示的第二正极活性物质， 尖晶石结构，其中所述第二阴极活性材料的量基于所述阴极活性材料的总重量为40至100重量％; 包括结晶石墨和无定形碳作为负极活性材料的阳极，其中所述非晶碳的量相对于所述负极活性材料的总重量为40-100重量％; 和分隔符。

公开(公告)号：US09214700B2

公开(公告)日：2015-12-15

申请号：US13647963

申请日：2012-10-09

Applicant: LG CHEM, LTD.

Inventor： Hyun Kuk Noh ,  Hong Kyu Park ,  Cheol-Hee Park ,  Su-Min Park ,  JiEun Lee

IPC: H01M4/02 ,  H01M4/36 ,  H01M4/52 ,  H01M10/0525 ,  H01M4/58

CPC classification number: H01M4/5825 ,  C01B25/45 ,  C01B25/455 ,  H01M4/366 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is lithium iron phosphate having an olivine crystal structure, wherein the lithium iron phosphate has a composition represented by the following Formula 1, a sulfur compound with a sulfide bond is contained, as an impurity, in the lithium iron phosphate particles, and carbon (C) is coated on particle surfaces of the lithium iron phosphate: Li1+aFe1-xMx(PO4-b)Xb  (1) (wherein M, X, a, x, and b are the same as defined in the specification).

Abstract translation: 公开了具有橄榄石晶体结构的磷酸铁锂，其中磷酸铁锂具有由下式1表示的组成，在磷酸铁锂颗粒中含有作为杂质的硫化物键的硫化合物和碳（ C）涂覆在磷酸铁锂Li1 + aFe1-xMx（PO4-b）Xb（1）（其中M，X，a，x和b与说明书中所定义的相同）的颗粒表面上。

公开(公告)号：US20140080000A1

公开(公告)日：2014-03-20

申请号：US14087572

申请日：2013-11-22

Applicant: LG Chem, Ltd.

Inventor： KyungHee Han ,  Chang Joo Han ,  Su-min Park ,  JiEun Lee

IPC: H01M4/36

CPC classification number: H01M4/364 ,  H01M2/166 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator.

Abstract translation: 公开了一种高输出锂二次电池，其包括：阴极，其包括作为阴极活性材料的由下述通式1表示的具有层状结构的第一正极活性物质和由下述式2表示的第二正极活性物质， 尖晶石结构，其中所述第二阴极活性材料的量基于所述阴极活性材料的总重量为40至100重量％; 包括结晶石墨和无定形碳作为负极活性材料的阳极，其中所述非晶碳的量相对于所述负极活性材料的总重量为40-100重量％; 和分隔符。