公开(公告)号：US08841035B2

公开(公告)日：2014-09-23

申请号：US12805854

申请日：2010-08-20

Applicant: Nam-Soon Choi ,  Irina Profatilova ,  Sung-Soo Kim ,  Eui-Hwan Song ,  Young-Mi Park

Inventor： Nam-Soon Choi ,  Irina Profatilova ,  Sung-Soo Kim ,  Eui-Hwan Song ,  Young-Mi Park

IPC: H01M6/16 ,  H01M10/42 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/587 ,  H01M4/505

CPC classification number: H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2300/0025 ,  H01M2300/0045 ,  Y02E60/122

Abstract: Disclosed are a flame retardant electrolyte solution for a rechargeable lithium battery including a lithium salt, a linear carbonate-based solvent, an ionic liquid including ammonium cations, and a phosphoric acid-based solvent, and a rechargeable lithium battery including the same.

Abstract translation: 公开了一种用于可再充电锂电池的阻燃电解质溶液，其包括锂盐，线性碳酸酯类溶剂，包含铵阳离子的离子液体和磷酸类溶剂，以及包含该锂离子的可再充电锂电池。

公开(公告)号：US08691442B2

公开(公告)日：2014-04-08

申请号：US12929560

申请日：2011-02-01

Applicant: Kyeu-Yoon Sheem ,  Bok-Hyun Ka ,  Eui-Hwan Song

Inventor： Kyeu-Yoon Sheem ,  Bok-Hyun Ka ,  Eui-Hwan Song

IPC: H01M4/583 ,  H01M4/133 ,  H01M4/134 ,  H01B1/04 ,  H01B1/22 ,  B05D5/12

CPC classification number: H01M4/366 ,  H01M4/134 ,  H01M4/583 ,  H01M4/587

Abstract: A negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same, the negative active material including carbon core particles; a metallic material on the carbon core particles; and a carbon thin film covering the carbon core particles and the metallic material, wherein the carbon core particles have an interplanar spacing (d002) of about 0.34 nm to about 0.40 nm at a (002) plane measured by X-ray diffraction (XRD) using a CuKα ray, and the carbon thin film has a thickness of about 1 nm to about 500 nm.

Abstract translation: 用于可再充电锂电池的负极活性材料，其制备方法和包含该负极活性材料的可再充电锂电池，负极活性材料包括碳芯颗粒; 在碳芯颗粒上的金属材料; 以及覆盖碳芯颗粒和金属材料的碳薄膜，其中，通过X射线衍射（XRD）测量，碳芯颗粒在（002）面具有约0.34nm至约0.40nm的面间距（d002） 使用CuKα射线，碳薄膜的厚度为约1nm〜约500nm。

公开(公告)号：US20120034523A1

公开(公告)日：2012-02-09

申请号：US12974980

申请日：2010-12-21

Applicant: Kyeu-Yoon SHEEM ,  Sumihito ISHIDA ,  Eui-Hwan SONG ,  Young-Seak LEE

Inventor： Kyeu-Yoon SHEEM ,  Sumihito ISHIDA ,  Eui-Hwan SONG ,  Young-Seak LEE

IPC: H01M4/62 ,  H01M4/52 ,  H01M4/48 ,  B82Y30/00

CPC classification number: B82Y30/00 ,  H01M4/131 ,  H01M4/133 ,  H01M4/139 ,  H01M4/364 ,  H01M4/587 ,  H01M4/622 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021

Abstract: Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material may include a metal oxide in an amount of about 20 wt % or more, and has a specific surface area of about 500 m2/g or less. The negative active material may be fiber including carbon black in which a metal oxide is internally impregnated and combined. This fiber includes only carbon black and a metal oxide internally doped. The fiber may have nanofiber having an average diameter ranging from about 50 nm to about 900 nm. In another embodiment, the fiber may have an average diameter ranging from about 150 nm to about 900 nm. When the fiber has an average diameter within these ranges, a metal oxide nanoparticle is internally well-impregnated, accomplishing excellent performance.

Abstract translation: 公开了一种用于可再充电锂电池的负极活性材料和包括其的可再充电锂电池。 负极活性物质可以含有约20重量％以上的金属氧化物，比表面积为约500m 2 / g以下。 负极活性物质可以是包含碳黑的纤维，其中内部浸渍和组合金属氧化物。 该纤维仅包含炭黑和内部掺杂的金属氧化物。 纤维可以具有平均直径范围为约50nm至约900nm的纳米纤维。 在另一个实施方案中，纤维可以具有约150nm至约900nm的平均直径。 当纤维的平均直径在这些范围内时，金属氧化物纳米颗粒在内部充分浸渍，达到优异的性能。

公开(公告)号：US07718322B2

公开(公告)日：2010-05-18

申请号：US10924248

申请日：2004-08-20

Applicant: Yong-Beom Lee ,  Eui-Hwan Song ,  Kwang-Sup Kim ,  Tae-Shik Earmme ,  You-Mee Kim

Inventor： Yong-Beom Lee ,  Eui-Hwan Song ,  Kwang-Sup Kim ,  Tae-Shik Earmme ,  You-Mee Kim

IPC: H01M6/16 ,  H01M10/40

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2300/004 ,  H01M2300/0082

Abstract: Disclosed in an electrolyte for a rechargeable lithium battery, including a mixture of organic solvents including a cyclic solvent and a nitrile-based solvent represented by formula 1 and a lithium salt.

Abstract translation: 公开在用于可再充电锂电池的电解质中，包括有机溶剂的混合物，包括环状溶剂和由式1表示的腈基溶剂和锂盐。

公开(公告)号：US07452634B2

公开(公告)日：2008-11-18

申请号：US10948117

申请日：2004-09-23

Applicant: Yong-Beom Lee ,  Eui-Hwan Song

Inventor： Yong-Beom Lee ,  Eui-Hwan Song

IPC: H01M10/40

CPC classification number: H01M10/0565 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525

Abstract: Disclosed is a polymer electrolyte composition for a rechargeable lithium battery including a multifunctional monomer represented by formula 1, a polymer initiator, a non-aqueous organic solvent, and a lithium salt: where A is one represented by one of formulae 1a, 1b, or 1c; where n is an integer of 1 to 10; R1 to R7 are the same or are independently selected from H, C1 to C3 alkyls, and C≡N; and X is a C1 to C20 aliphatic or aromatic carbon, or polyether.

Abstract translation: 公开了一种用于可再充电锂电池的聚合物电解质组合物，其包含由式1表示的多官能单体，聚合物引发剂，非水有机溶剂和锂盐：其中A为由式1a，1b或 1c; 其中n为1至10的整数; R 1至R 7相同或独立地选自H，C 1至C 3烷基， 和C≡N; 和X是C 20 -C 20脂族或芳族碳或聚醚。

公开(公告)号：US20080138713A1

公开(公告)日：2008-06-12

申请号：US11757298

申请日：2007-06-01

Applicant: Sae-Weon Roh ,  In-Tae Mun ,  Eui-Hwan Song

Inventor： Sae-Weon Roh ,  In-Tae Mun ,  Eui-Hwan Song

IPC: H01M6/16

CPC classification number: H01M4/131 ,  H01M4/13 ,  H01M4/583 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0037 ,  H01M2300/004 ,  Y02E60/122

Abstract: A rechargeable lithium battery is provided that includes a negative electrode including a negative active material, a positive electrode including a positive active material, and an electrolyte. The electrolyte includes a lithium salt and a non-aqueous organic solvent including from about 1 to about 20 volume % of a cyclic carbonate and from about 80 to about 99 volume % of a linear carbonate. The positive electrode has an active mass density of about 3.7g/cc or greater. The rechargeable lithium battery shows improved cycle-life and storage characteristics at high temperatures, and good high rate characteristics.

Abstract translation: 提供了一种可再充电锂电池，其包括负极，其包括负极活性材料，正极，包括正极活性材料和电解质。 电解质包括锂盐和非水有机溶剂，其包括约1至约20体积％的环状碳酸酯和约80至约99体积％的直链碳酸酯。 正极具有约3.7g / cc或更大的活性质量密度。 可再充电锂电池在高温下显示出改善的循环寿命和储存特性，以及良好的高速率特性。

公开(公告)号：US07226703B2

公开(公告)日：2007-06-05

申请号：US10834818

申请日：2004-04-28

Applicant: Hyung-Gon Noh ,  Eui-Hwan Song

Inventor： Hyung-Gon Noh ,  Eui-Hwan Song

IPC: H01M10/40

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/4235

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and a lactam-based compound selected from the group consisting of compounds represented by formulas 1 to 6: where R is a H radical, a C2 to C6 alkenyl or a halogen radical; and K, T, X, Y and Z are identically or independently H radicals or halogen radicals.

Abstract translation: 公开了一种用于可再充电锂电池的电解质，其包括非水有机溶剂，锂盐和内酰胺类化合物，其选自由式1至6表示的化合物：其中R是H基，C C 6或C 6链烯基或卤素基团; 并且K，T，X，Y和Z是相同或独立的H基团或卤素基团。

公开(公告)号：US07223500B2

公开(公告)日：2007-05-29

申请号：US10653192

申请日：2003-09-03

Applicant: Hyeong-Gon Noh ,  Cheol-Soo Jung ,  Eui-Hwan Song

Inventor： Hyeong-Gon Noh ,  Cheol-Soo Jung ,  Eui-Hwan Song

IPC: H01M6/18

CPC classification number: H01M10/0567 ,  H01M4/0435 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2300/0042

Abstract: An electrolyte of a lithium secondary battery includes lithium salts, an organic solvent with a high boiling point, and a carbonate-based additive compound having substituents selected from the group consisting of a halogen, a cyano (CN), and a nitro (NO2). The electrolyte improves discharge, low temperature, and cycle life characteristics of a lithium secondary battery.

Abstract translation: 锂二次电池的电解质包括锂盐，高沸点有机溶剂和具有选自卤素，氰基（CN）和硝基（NO））的取代基的碳酸酯类添加剂化合物， SUB> 2 ）。 电解质改善锂二次电池的放电，低温和循环寿命特性。

公开(公告)号：US20050221197A1

公开(公告)日：2005-10-06

申请号：US11093952

申请日：2005-03-29

Applicant: Kyoung-Han Yew ,  Eui-Hwan Song

Inventor： Kyoung-Han Yew ,  Eui-Hwan Song

IPC: H01B1/06 ,  H01M6/16 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/40

CPC classification number: H01M10/0567 ,  H01M4/13 ,  H01M10/052 ,  H01M10/0569

Abstract: An electrolyte for a lithium battery and a lithium battery thereof are provided. The electrolyte includes a non-aqueous organic solvent; lithium salt; and an additive selected from the group consisting of the compounds represented by formulas (1) to (3), and combinations thereof: where X is selected from the group consisting of hydrogen, halogen, alkyl groups having from 1 to 6 carbon atoms, and aryl groups having from 6 to 8 carbon atoms, and R is an alkyl group having from 1 to 6 carbon atoms or an aryl group having from 6 to 10 carbon atoms. The lithium battery including the electrolyte suggested in the present invention has superior overcharge characteristics and superior safety characteristics compared to conventional batteries including a non-aqueous electrolyte.

Abstract translation: 提供了一种用于锂电池的电解质及其锂电池。 电解质包括非水有机溶剂; 锂盐; 和选自由式（1）至（3）表示的化合物的添加剂及其组合：其中X选自氢，卤素，具有1至6个碳原子的烷基和 具有6至8个碳原子的芳基，R是具有1至6个碳原子的烷基或具有6至10个碳原子的芳基。 包括本发明中提出的电解质的锂电池与包括非水电解质的常规电池相比具有优异的过充电特性和优异的安全特性。

公开(公告)号：US06521375B1

公开(公告)日：2003-02-18

申请号：US09649115

申请日：2000-08-28

Applicant: Duck-Chul Hwang ,  Eui-Hwan Song ,  Won-Il Jung ,  Ho-Jin Kweon

Inventor： Duck-Chul Hwang ,  Eui-Hwan Song ,  Won-Il Jung ,  Ho-Jin Kweon

IPC: H01M604

CPC classification number: H01M10/0569 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M2300/004

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery. The electrolyte includes non-aqueous solvent and silicon powder. Silicon powder reacts with hydrogen halide produced by reacting a solute with water, thereby removing the hydrogen halide. The solvent may be an organic solvent such as a cyclic or chain carbonates, or a mixture thereof. The amount of silicon powder is 0.01 to 5 wt % of the organic solvent.

Abstract translation: 公开了用于可再充电锂电池的电解质。 电解质包括非水溶剂和硅粉。 硅粉与通过使溶质与水反应产生的卤化氢反应，从而除去卤化氢。 溶剂可以是有机溶剂，例如环状或链状碳酸酯，或其混合物。 硅粉的量为有机溶剂的0.01〜5重量％。