公开(公告)号：US08741254B2

公开(公告)日：2014-06-03

申请号：US12535216

申请日：2009-08-04

申请人： Joong Kee Lee ,  Byung Won Cho ,  Joo Man Woo ,  Hyung Sun Kim ,  Kyung Yoon Chung ,  Won Young Chang ,  Sang Ok Kim ,  Sang Eun Park

发明人： Joong Kee Lee ,  Byung Won Cho ,  Joo Man Woo ,  Hyung Sun Kim ,  Kyung Yoon Chung ,  Won Young Chang ,  Sang Ok Kim ,  Sang Eun Park

IPC分类号： C01B33/02

CPC分类号： C25D5/54 ,  C23C18/54 ,  C25D3/46 ,  C25D7/00 ,  C25D7/006 ,  H01M4/0438 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/386 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/022 ,  Y10T428/12479 ,  Y10T428/2982

摘要： The present invention relates to a method of preparing a porous silicon nanorod structure composed of columnar bundles having a diameter of 50-100 nm and a length of 2-5 μm, and a lithium secondary cell using the porous silicon nanorod structure as an anode active material. The present invention provides a high-capacity and high-efficiency anode active material for lithium secondary cells, which can overcome the low conductivity of silicon and improve the electrode deterioration attributable to volume expansion because it is prepared by electrodepositing the surface of silicon powder with metal and simultaneously etching the silicon powder partially using hydrofluoric acid.

摘要翻译： 本发明涉及一种由直径为50〜100nm，长度为2-5μm的柱状束构成的多孔硅纳米棒结构体的制造方法，使用多孔硅纳米棒结构的锂二次电池作为阳极活性物质 材料。 本发明提供了一种用于锂二次电池的高容量，高效率的负极活性材料，其可以克服硅的低导电性并改善归因于体积膨胀的电极劣化，因为其通过用金属电沉积硅粉表面而制备 并同时使用氢氟酸部分地蚀刻硅粉末。

公开(公告)号：US20100301276A1

公开(公告)日：2010-12-02

申请号：US12535216

申请日：2009-08-04

申请人： Joong Kee LEE ,  Byung Won Cho ,  Joo Man Woo ,  Hyung Sun Kim ,  Kyung Yoon Chung ,  Won Young Chang ,  Sang Ok Kim ,  Sang Eun Park

发明人： Joong Kee LEE ,  Byung Won Cho ,  Joo Man Woo ,  Hyung Sun Kim ,  Kyung Yoon Chung ,  Won Young Chang ,  Sang Ok Kim ,  Sang Eun Park

IPC分类号： C25D5/54 ,  H01B1/00

CPC分类号： C25D5/54 ,  C23C18/54 ,  C25D3/46 ,  C25D7/00 ,  C25D7/006 ,  H01M4/0438 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/386 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/022 ,  Y10T428/12479 ,  Y10T428/2982

摘要： The present invention relates to a method of preparing a porous silicon nanorod structure composed of columnar bundles having a diameter of 50-100 nm and a length of 2-5 μm, and a lithium secondary cell using the porous silicon nanorod structure as an anode active material. The present invention provides a high-capacity and high-efficiency anode active material for lithium secondary cells, which can overcome the low conductivity of silicon and improve the electrode deterioration attributable to volume expansion because it is prepared by electrodepositing the surface of silicon powder with metal and simultaneously etching the silicon powder partially using hydrofluoric acid.

摘要翻译： 本发明涉及一种由直径为50〜100nm，长度为2-5μm的柱状束构成的多孔硅纳米棒结构体的制造方法，使用多孔硅纳米棒结构的锂二次电池作为阳极活性物质 材料。 本发明提供了一种用于锂二次电池的高容量，高效率的负极活性材料，其可以克服硅的低导电性并改善归因于体积膨胀的电极劣化，因为其通过用金属电沉积硅粉表面而制备 并同时使用氢氟酸部分地蚀刻硅粉末。

公开(公告)号：US06896706B2

公开(公告)日：2005-05-24

申请号：US10330079

申请日：2002-12-30

申请人： Joong Kee Lee ,  Byung Won Cho ,  Won Il Cho ,  Joo Man Woo ,  Hyung Sun Kim ,  Un Sek Kim ,  Dalkeun Park

发明人： Joong Kee Lee ,  Byung Won Cho ,  Won Il Cho ,  Joo Man Woo ,  Hyung Sun Kim ,  Un Sek Kim ,  Dalkeun Park

IPC分类号： C01B31/02 ,  B82Y30/00 ,  B82Y99/00 ,  C01B31/04 ,  C04B41/45 ,  C04B41/81 ,  C23C26/00 ,  C23C30/00 ,  H01M4/36 ,  H01M4/48 ,  H01M4/587 ,  H01M4/62 ,  H01M10/05 ,  H01M10/0525 ,  H01M6/00 ,  H01M4/58

CPC分类号： H01M4/587 ,  C04B35/6268 ,  C04B35/62805 ,  C04B35/62807 ,  C04B35/62813 ,  C04B35/62818 ,  C04B35/62821 ,  C04B35/62826 ,  C04B35/62842 ,  C04B35/62897 ,  C04B41/009 ,  C04B41/4584 ,  C04B41/81 ,  C04B2111/00853 ,  C04B2235/3201 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3262 ,  C04B2235/3281 ,  C04B2235/3291 ,  C04B2235/3293 ,  C04B2235/3298 ,  C04B2235/5248 ,  C23C26/00 ,  C23C30/00 ,  H01M4/133 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/624 ,  H01M10/0525 ,  Y10T29/49108 ,  Y10T29/49115 ,  C04B41/4543 ,  C04B41/455 ,  C04B41/5127 ,  C04B41/5144 ,  C04B41/5116 ,  C04B35/52

摘要： A carbon anode active material for lithium secondary battery comprising a cluster or thin film layer of a metal or metal oxide coated onto the surface of the carbon active material, a preparation method thereof, and a metal-carbon hybrid electrode and a lithium secondary battery comprising the same. The carbon active material is prepared through a gas suspension spray coating method. An electrode comprising the carbon active material according to the present invention shows excellent conductivity, high rate charge/discharge characteristics, cycle life characteristics and electrode capacity close to theoretical value.

摘要翻译： 一种锂二次电池用碳负极活性物质，其包含涂覆在碳活性物质表面上的金属或金属氧化物的簇或薄膜层，其制备方法和金属 - 碳复合电极以及锂二次电池，其包含 一样。 通过气体悬浮喷涂法制备碳活性材料。 包含根据本发明的碳活性材料的电极显示出优异的导电性，高速率充电/放电特性，循环寿命特性和接近理论值的电极容量。

公开(公告)号：US20090072780A1

公开(公告)日：2009-03-19

申请号：US11962273

申请日：2007-12-21

申请人： Joong Kee Lee ,  Byung Won Cho ,  Kyung Yoon Chung ,  Hyung Sun Kim ,  Il Doo Kim ,  Chan Wook Jeon ,  Yong Sang Kim

发明人： Joong Kee Lee ,  Byung Won Cho ,  Kyung Yoon Chung ,  Hyung Sun Kim ,  Il Doo Kim ,  Chan Wook Jeon ,  Yong Sang Kim

IPC分类号： H02J7/00 ,  H01L31/00 ,  H01L23/48 ,  H01L21/00

CPC分类号： H01L31/04 ,  H01L31/022466 ,  H01M10/0525 ,  H01M10/465 ,  H01M14/005 ,  H02J7/35 ,  Y02E10/541 ,  Y02E10/566 ,  Y02E60/122 ,  Y02P70/521 ,  Y02P70/54

摘要： The present invention provides a photovoltaic-charged secondary battery system, in which an electrode for optical power generation and an electrode for charging and discharging generated electrical energy are integrated into a single cell structure, and the potential difference between the electrodes is systematically controlled, thus maximizing the conversion efficiency of optical energy, maximizing the utilization rate of cell energy, and extending the life span of the battery.For this, the present invention provides a photovoltaic-charged secondary battery system including: a transparent electrode capable of transmitting light; a PN semiconductor layer formed on the transparent electrode and generating a current by incident light; and a secondary battery layer, formed on the PN semiconductor layer, in which the current generated by the PN semiconductor layer is charged.

摘要翻译： 本发明提供了一种光电二次电池系统，其中用于光发电的电极和用于产生电能的放电电极被集成到单个电池结构中，并且电极之间的电位差被系统地控制，因此 最大限度地提高光能的转换效率，最大限度地提高电池的使用能量，延长电池寿命。 为此，本发明提供了一种光伏充电的二次电池系统，包括：能够透光的透明电极; 形成在透明电极上并通过入射光产生电流的PN半导体层; 以及形成在PN半导体层上的由PN半导体层产生的电流被充电的二次电池层。

公开(公告)号：US08729382B2

公开(公告)日：2014-05-20

申请号：US11962273

申请日：2007-12-21

申请人： Joong Kee Lee ,  Byung Won Cho ,  Kyung Yoon Chung ,  Hyung Sun Kim ,  Il Doo Kim ,  Chan Wook Jeon ,  Yong Sang Kim

发明人： Joong Kee Lee ,  Byung Won Cho ,  Kyung Yoon Chung ,  Hyung Sun Kim ,  Il Doo Kim ,  Chan Wook Jeon ,  Yong Sang Kim

IPC分类号： H01L31/058

CPC分类号： H01L31/04 ,  H01L31/022466 ,  H01M10/0525 ,  H01M10/465 ,  H01M14/005 ,  H02J7/35 ,  Y02E10/541 ,  Y02E10/566 ,  Y02E60/122 ,  Y02P70/521 ,  Y02P70/54

摘要： A photovoltaic-charged secondary battery system is provided, in which an electrode for optical power generation and an electrode for charging and discharging generated electrical energy are integrated into a single cell structure, and the potential difference between the electrodes is systematically controlled, thus maximizing the conversion efficiency of optical energy, maximizing the utilization rate of cell energy, and extending the life span of the battery. Thus, the photovoltaic-charged secondary battery system may include a transparent electrode capable of transmitting light; a PN semiconductor layer formed on the transparent electrode and generating a current by incident light; and a secondary battery layer, formed on the PN semiconductor layer, in which the current generated by the PN semiconductor layer is charged.

摘要翻译： 提供一种光电二次电池系统，其中用于光发电的电极和用于充电和放电的电极产生的电能被集成到单个电池结构中，并且电极之间的电势差被系统地控制，从而使 光能的转换效率，使电池能量的利用率最大化，延长电池寿命。 因此，光伏充电二次电池系统可以包括能透射光的透明电极; 形成在透明电极上并通过入射光产生电流的PN半导体层; 以及形成在PN半导体层上的由PN半导体层产生的电流被充电的二次电池层。

公开(公告)号：US08585874B2

公开(公告)日：2013-11-19

申请号：US12625646

申请日：2009-11-25

申请人： Kyung Yoon Chung ,  Byung Won Cho ,  Seong-rae Lee ,  Hwa Young Lee ,  Ji-Ae Choi

发明人： Kyung Yoon Chung ,  Byung Won Cho ,  Seong-rae Lee ,  Hwa Young Lee ,  Ji-Ae Choi

IPC分类号： C23C14/34

CPC分类号： H01M4/485 ,  C23C14/083 ,  C23C14/3414 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/525 ,  H01M4/661 ,  H01M10/052

摘要： Disclosed is a method of preparing a positive active material for a lithium battery. The method comprises: depositing a positive active material on an electrode on a substrate (1); and putting metal chips on a metal oxides target and performing a sputtering process, thereby depositing mixed metal-oxides on the positive active material (2). In another aspect, the method comprises: preparing an electrode active material; preparing a precursor solution including the electrode active material; and printing the precursor solution on the substrate, and evaporating a solvent at a temperature of 80-120° C.

摘要翻译： 公开了一种锂电池正极活性物质的制备方法。 该方法包括：在衬底（1）上的电极上沉积正极活性材料; 并将金属屑放在金属氧化物靶上并进行溅射工艺，从而在正极活性物质（2）上沉积混合的金属氧化物。 另一方面，该方法包括：制备电极活性材料; 制备包括电极活性材料的前体溶液; 并将前体溶液印刷在基材上，并在80-120℃的温度下蒸发溶剂。

公开(公告)号：US09159996B2

公开(公告)日：2015-10-13

申请号：US13251414

申请日：2011-10-03

申请人： Jaehoon Kim ,  Kyung Yoon Chung ,  Byung Won Cho ,  Jon Min Park ,  Nugroho Agung

发明人： Jaehoon Kim ,  Kyung Yoon Chung ,  Byung Won Cho ,  Jon Min Park ,  Nugroho Agung

IPC分类号： C01G23/00 ,  H01M4/485 ,  B82Y30/00 ,  B82Y40/00

CPC分类号： H01M4/485 ,  B82Y30/00 ,  B82Y40/00 ,  C01G23/005 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/40 ,  Y02E60/122 ,  Y02P20/544

摘要： A method for synthesizing lithium titanium oxide-based anode active material nanoparticles, and more particularly, a method for synthesizing lithium titanium oxide-based anode active material nanoparticles using a supercritical fluid condition is disclosed herein. The method may include (a) preparing a lithium precursor solution and a titanium precursor solution, (b) forming lithium titanium oxide-based anode active material nanoparticles by introducing the lithium precursor solution and titanium precursor solution into an reactor at a supercritical fluid condition, and (c) cleaning and drying the nanoparticles, and may further include (d) calcinating the nanoparticles at 500-1000° C. for 10 minutes to 24 hours after the step (c).

摘要翻译： 本文公开了一种用于合成基于二氧化钛的阳极活性材料纳米颗粒的方法，更具体地说，涉及一种使用超临界流体条件合成基于二氧化钛的阳极活性材料纳米颗粒的方法。 该方法可以包括（a）制备锂前体溶液和钛前体溶液，（b）通过在超临界流体条件下将锂前体溶液和钛前体溶液引入反应器中形成基于二氧化钛的阳极活性材料纳米颗粒， 和（c）清洁和干燥纳米颗粒，并且还可以包括（d）在步骤（c）之后在500-1000℃下煅烧纳米颗粒10分钟至24小时。

公开(公告)号：US07279251B1

公开(公告)日：2007-10-09

申请号：US10276880

申请日：2000-05-19

申请人： Kyung Suk Yun ,  Byung Won Cho ,  Seong Mu Jo ,  Wha Seop Lee ,  Won Il Cho ,  Kun You Park ,  Hyung Sun Kim ,  Un Seok Kim ,  Seok Ku Ko ,  Suk Won Chun ,  Sung Won Choi

发明人： Kyung Suk Yun ,  Byung Won Cho ,  Seong Mu Jo ,  Wha Seop Lee ,  Won Il Cho ,  Kun You Park ,  Hyung Sun Kim ,  Un Seok Kim ,  Seok Ku Ko ,  Suk Won Chun ,  Sung Won Choi

IPC分类号： H01M2/16

CPC分类号： H01M10/052 ,  D01D5/0007 ,  H01M2/145 ,  H01M2/162 ,  H01M2/1673 ,  H01M4/0407 ,  H01M4/0435 ,  H01M10/0431 ,  H01M10/0436 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/058 ,  H01M2300/0091

摘要： The present invention provides a lithium secondary battery and its fabrication method. More particularly, the present invention provides a lithium secondary battery comprising a super fine fibrous porous polymer separator film and its fabrication method, wherein the porous polymer separator film is fabricated by the following process: a) melting at least one polymer or dissolving at least one polymer with organic solvents to obtain at least one polymeric melt or at least one polymeric solution; b) adding the obtained polymeric melt or polymeric solution to barrels of an electrospinning machine; and c) discharging the polymeric melt or polymeric solution onto a substrate using a nozzle to form a porous separator film. The lithium secondary battery of the present invention has the advantages of better adhesion with electrodes, good mechanical strength, better performance at low and high temperatures, better compatibility with organic electrolyte solution of a lithium secondary battery.

摘要翻译： 本发明提供一种锂二次电池及其制造方法。 更具体地说，本发明提供一种包含超细纤维多孔聚合物隔膜的锂二次电池及其制造方法，其中通过以下方法制造多孔聚合物隔膜：a）熔化至少一种聚合物或溶解至少一种 聚合物与有机溶剂以获得至少一种聚合物熔体或至少一种聚合物溶液; b）将获得的聚合物熔体或聚合物溶液加入静电纺丝机的桶中; 和c）使用喷嘴将聚合物熔体或聚合物溶液排出到基底上以形成多孔隔离膜。 本发明的锂二次电池具有电极粘附性好，机械强度高，低温高温性能好，与锂二次电池有机电解质溶液更好相容的优点。

公开(公告)号：US20090026662A1

公开(公告)日：2009-01-29

申请号：US12180509

申请日：2008-07-25

申请人： Kyung Suk Yun ,  Byung Won Cho ,  Seong-Mu Jo ,  Wha Seop Lee ,  Won Il Cho ,  Kun You Park ,  Hyung Sun Kim ,  Un Seok Kim ,  Seok Ku Ko ,  Suk Won Chun ,  Sung Won Choi

发明人： Kyung Suk Yun ,  Byung Won Cho ,  Seong-Mu Jo ,  Wha Seop Lee ,  Won Il Cho ,  Kun You Park ,  Hyung Sun Kim ,  Un Seok Kim ,  Seok Ku Ko ,  Suk Won Chun ,  Sung Won Choi

IPC分类号： B29C47/00

CPC分类号： H01M10/0431 ,  H01M2/162 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/058

摘要： The present invention provides a novel hybrid polymer electrolyte, a lithium secondary battery comprising the hybrid polymer electrolyte polymer and their fabrication methods. More particularly, the present invention provides the hybrid polymer electrolyte comprising superfine fibrous porous polymer matrix with particles having diameter of 1-3000 nm, polymers and lithium salt-dissolved organic electrolyte solutions incorporated into the porous polymer matrix. The hybrid polymer electrolyte has advantages of better adhesion with electrodes, good mechanical strength, better performance at low and high temperatures, better compatibility with organic electrolytes of a lithium secondary battery and it can be applied to the manufacture of lithium secondary batteries.

摘要翻译： 本发明提供了一种新型的混合聚合物电解质，包含该混合聚合物电解质聚合物的锂二次电池及其制造方法。 更具体地说，本发明提供了包含超细纤维多孔聚合物基质的混合聚合物电解质，其具有直径为1-3000nm的颗粒，掺入多孔聚合物基质中的聚合物和锂盐溶解的有机电解质溶液。 混合聚合物电解质具有电极粘附性好，机械强度高，在低温和高温下性能更好的优点，与锂二次电池的有机电解质的相容性更好，可用于锂二次电池的制造。

公开(公告)号：US08518572B2

公开(公告)日：2013-08-27

申请号：US12901834

申请日：2010-10-11

申请人： Hyung Sun Kim ,  Byung Won Cho ,  Young-Jun Kim ,  Ki Jae Kim

发明人： Hyung Sun Kim ,  Byung Won Cho ,  Young-Jun Kim ,  Ki Jae Kim

IPC分类号： H01M4/0407 ,  H01M4/044 ,  H01M4/583

CPC分类号： H01M8/20 ,  H01M4/8657 ,  H01M4/8828 ,  H01M4/8896 ,  Y02E60/528

摘要： Disclosed is a graphite/DSA assembled electrode for a redox flow battery, obtained by assembling a graphite electrode made of micro-sized graphite and a DSA electrode using rolling thus improving cell performance including electrode durability, corrosion resistance, power density, energy efficiency and cycle properties. A method of manufacturing the graphite/DSA assembled electrode is also provided, which includes preparing a mixture composed of a graphite active material, a conductive material and a binder into a slurry using an alcohol, evaporating the alcohol from the slurry thus preparing a paste, thinly spreading the paste into an electrode sheet, and rolling the electrode sheet along with a DSA electrode thus obtaining the assembled electrode. A redox flow battery including the electrode thus obtained is also provided, which has increased electrode durability and corrosion resistance and enhanced power properties, energy efficiency and cycle performance.

摘要翻译： 公开了一种用于氧化还原液流电池的石墨/ DSA组装电极，其通过组装由微尺寸石墨制成的石墨电极和使用滚动的DSA电极获得，从而改善电池性能，包括电极耐久性，耐腐蚀性，功率密度，能量效率和循环 属性。 还提供了一种制造石墨/ DSA组装电极的方法，其包括使用醇将由石墨活性材料，导电材料和粘合剂组成的混合物制成浆料，从浆液中蒸发醇，由此制备糊料， 将糊料稀释成电极片，并将电极片与DSA电极一起滚动，从而获得组装的电极。 还提供了包括如此获得的电极的氧化还原液流电池，其具有增加的电极耐久性和耐腐蚀性以及增强的功率特性，能量效率和循环性能。