1
Jai Young Lee, Kuk Jin Jang, Dong Myung Kim, Ji Sang Yu, Sang Min Lee, Ho Lee: Method for preparing electrodes for Ni/Metal hydride secondary cells using Cu. Korea Advanced Institute of Science and Technology, Madson & Metcalf, April 16, 2002: US06372383 (25 worldwide citation)

Disclosed is a method for preparing a high performance, negative electrode for Ni/metal hydride cells. A Zr-based hydrogen storage alloy, a binder comprising a mixture of polytetrafluoroethylene and 50th and a thickening agent (hydroxypropylmethyl cellulose), and a current collector comprising carbo ...


2
Hey Woong Park, Ji Sang Yu, Sung Woo Kim, Min Su Kim: Lithium secondary battery with high power. LG Chem, Cantor Colburn, January 13, 2009: US07476467 (13 worldwide citation)

The present invention provides a non-aqueous electrolyte-based high power lithium secondary battery having a long-term service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging, wherein the battery comprises a mixture of ...


3
Jai Young Lee, Ki Young Lee, Han Ho Lee, Dong Myung Kim, Ji Sang Yu, Jae Han Jung, Soo Geun Lee: Hydrogen-storage material employing ti-mn alloy system. Korea Advanced Institute of Science and Technology, Darby & Darby, March 30, 1999: US05888317 (4 worldwide citation)

The present invention relates to a material for hydrogen-storage constituted by Ti-Mn alloy system which has a high hydrogen-storage capacity, plateau hydrogen dissociation equilibrium pressure, hypostoichiometric composition and crystal structure of C14. Ti-Mn alloy system for hydrogen-storage of t ...


4
Jai Young Lee, Kuk Jin Jang, Jae Han Jung, Dong Myung Kim, Ji Sang Yu, Sang Min Lee, Jeong Gun Park, Ho Lee: Mm-Ni type hydrogen storage alloy for Ni/MH secondary cell. Korea Advanced Institute of Science and Technology, Hickman Stephens Coleman & Hughes, August 22, 2000: US06106768 (4 worldwide citation)

There are disclosed Mm/Ni type hydrogen storage alloys for Ni/MH secondary cells. The alloys which allow the cells to be of high performance and high capacity can be prepared at lower costs than the production costs of conventional Co-rich hydrogen storage alloys, by reducing the amount of the Co el ...


5
Jai Young Lee, Dong Myung Kim, Jae Han Jung, Ji Sang Yu, Sang Min Lee, Jeong Gun Park, Ho Lee: High capacity and high performance Zr-based hydrogen storage alloy for secondary cells. Korea Advanced Institute of Science and Technology, Birch Stewart Kolasch & Birch, December 10, 2002: US06491867 (3 worldwide citation)

A hydrogen storage alloy, represented by the following formula I which is suitable for use as an active anode material for ni-metal hydride secondary cells by virtue of its high discharge characteristics including, for example, a discharge capacity ranging from approximately 300 to 400 mAh/g and a r ...


6
Jee Ho Kim, Ji Sang Yu, Jeong Hee Choi: Rechargeable lithium battery using separator partially coated with gel polymer. LG Chem, Cantor Colburn, August 23, 2011: US08003263 (2 worldwide citation)

Disclosed are a separator for a battery, which is coated with a gel polymer over 40-60% of total separator area, and a rechargeable lithium battery using the separator. The separator partially coated with a gel polymer reduces the battery resistance so that the battery power can be improved. Additio ...


7
Yoon Jung Bae, Pil Kyu Park, Jong Hwan Kim, Dong Hun Han, Han Ho Lee, Sang Young Lee, Ji Sang Yu, Hyun Min Jang: Separator having porous coating layer and electrochemical device containing the same. LG Chem, Lerner David Littenberg Krumholz & Mentlik, May 1, 2012: US08168332 (2 worldwide citation)

A separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and made of a mixture of a plurality of inorganic particles and a binder polymer, wherein the binder polymer includes a first polyvinylidene fluoride ...


8
Jai Young Lee, Ji Sang Yu, Seoung Hoe Kim, Sang Min Lee, Ho Lee, Jeong Gun Park: Method for modifying surface of hydrogen storage alloy for NI/MH secondary battery using flake type metal. Korea Advanced Institute of Science and Technology, Rosenberg Klein & Lee, December 25, 2001: US06332908 (2 worldwide citation)

Disclosed is a method for modifying a surface of a hydrogen storage alloy for an Ni/MH secondary battery using flake type metal comprising the steps of ball-milling metal powder to produce flake type metal powder; and ball-milling the flake metal powder together with hydrogen storage alloy powder to ...


9
Yeo Won Yoon, Ji Sang Yu: Auto management system for air filter used in battery pack and auto management method for the same. LG Chem, Cantor Colburn, April 3, 2012: US08150570 (1 worldwide citation)

An auto management system for an air filter used in a battery pack comprises at least one cell and a case accommodating each of the cells so that there is secured an air flow passage between the neighboring cells. The battery pack is provided with an air inlet at one side and an air outlet on the ot ...


10
Jee Ho Kim, Hyun Suk Choo, Ji Sang Yu: Secondary lithium battery module. LG Chem, Cantor Colburn, August 25, 2009: US07579110 (1 worldwide citation)

Disclosed is a secondary lithium battery module. The secondary lithium battery module comprising a plurality of secondary lithium unit-batteries including anode and cathode terminals having a hole, which terminals are protruded in one direction in parallel to each other and alternately aligned; a re ...