Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Hl Mando Corporation

Heechul Jung

Sungsoo Han

Seongho Jeon

Jinsoo Mun

Kanghee Lee

Changhoon Jung

Guesung Kim

Woojin Bae

Kihong Kim

Eunha Lee

Byoungsun Lee

Koichi Takei

Youngsuk Jung

Gyusung Kim

Boksoon Kwon

Junho Lee

Dongyoung Kim

Jinhwan Park

Junho Park

Byungjin Choi

Yoonsok Kang

Woosung Jeon

Jeeeun Yang

Jaeduck Jang

Sungnim Jo

Soohwan Sul

Euiseong Moon

Disclosed herein an electronic brake system includes a first block comprising a master cylinder having a first master piston connected to a brake pedal and a first master chamber whose volume is changed by a displacement of the first master piston; a second block comprising a pedal simulator, a hydraulic pressure supply device that generates a hydraulic pressure by operating a hydraulic piston according to an electrical signal, and a hydraulic control unit comprising a first hydraulic circuit that controls a hydraulic pressure transferred to two wheel cylinders and a second hydraulic circuit that controls a hydraulic pressure transferred to the other two wheel cylinders, the second block disposed to be spaced apart from the first block; a plurality of electronic control units (ECUs) that controls various devices and valves based on hydraulic pressure information and displacement information of the brake pedal; and a connection line having one end connected to the first block and the other end connected to the second block; wherein the connection line has one end connected to the first master chamber and the other end thereof connected to the pedal simulator side.

Electric brake system

A binder including a metal salt of a graft copolymer, which is a polymerization product of polyvinyl alcohol, an ethylenically unsaturated carboxylic acid, and a polymerizable monomer having a long-chain alkyl group.

Binder, method of preparing the same, electrode for secondary battery including the binder, and secondary battery including the electrode

A binder includes a cross-linked product of at least a first polymer, a second polymer, and a third polymer, wherein the cross-linked product is cross-linked by at least two ester bonds; the first polymer includes polyimide, polyamic acid, a copolymer thereof, or a combination thereof, wherein the first polymer includes a structural unit including an alkali metal and a structural unit including at least one hydroxyl functional group; the second polymer includes poly(acrylic acid), poly(methacrylic acid), a copolymer thereof, or a combination thereof; and the third polymer includes polyvinyl alcohol, polyacrylamide, polymethacrylamide, a copolymer thereof, or a combination thereof.

Binder, electrode and lithium battery including the same, and method of preparing the binder

An apparatus for measuring a deformation stiffness of an article includes a force measuring means configured to measure a force generated in a thickness direction of the article; a thickness measuring means configured to measure a thickness of the article; and a data processor configured to differentiate force with respect to thickness to calculate the deformation stiffness of the article, wherein each of the force and the thickness are a result of a volume change of the article.

Apparatus and method for measuring deformation stiffness of a secondary battery

Battery housing structures and battery apparatuses including the same are provided. A battery housing structure may include a case including an accommodation region in which a battery unit is accommodated, and an elastic member assembly provided in the case and configured to apply a pressure to the battery unit accommodated in the accommodation region. The elastic member assembly may include at least one first elastic member having an elastic coefficient that increases when a displacement increases and at least one second elastic member having an elastic coefficient that decreases when a displacement increases. The at least one first elastic member and the at least one second elastic member may have different structures or may be arranged in different directions.

Battery housing structure including plurality of elastic members, and battery apparatus including the same

A negative active material including an active material core; and a polymer layer disposed on a surface of the active material core, wherein the polymer layer includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer is at least one of polyamic acid, polyimide, or a combination thereof, and includes a first functional group; and the second polymer is water-soluble and includes a second functional group, and wherein the first polymer and the second polymer are cross-linked by an ester bond that is formed through at least one reaction starting from the first functional group and the second functional group, and at least one of the first polymer and the second polymer further includes a halogen group.

Negative active material, lithium secondary battery including the same, and method of manufacturing the negative active material

An in-situ X-ray analyzed coin cell battery includes a case, a cap combined with the case, and an energy storage member provided between the case and the cap. A hole through which an X-ray is irradiated is defined in at least one of the case and the cap.

Coin cell battery analyzed with in-situ X-ray analysis, method of manufacturing the same, and method of analyzing the same using X-ray

A composite negative active material including: a silicon-containing negative active material; and a non-metal doped metal phosphate, wherein the non-metal doped metal phosphate includes two or more metals. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode

Composite negative active material, negative electrode including composite negative active material, and lithium secondary battery including negative electrode

A silicon-containing negative active material may include a silicon particle and a coating layer surrounding the silicon particle, and the coating layer may include carbon and a metallic particle.

Silicon-containing negative active material, method of preparing the same, negative electrode including the same, and lithium secondary battery including negative electrode

A composite anode active material includes a silicon-based material, a metal fluoride, and a carbon-based material. The metal fluoride may be a compound represented by the following formula: MFx, where M is at least one selected from magnesium (Mg), aluminum (Al), titanium (Ti), copper (Cu), zinc (Zn), barium (Ba) and bismuth (Bi), and 0&#x3c;x&#x2264;4.

Composite anode active material, anode including the composite anode active material, and lithium secondary battery including the anode

A composite anode active material includes a metal silicide core, a silicon shell, and a metal nitride and a carbon material that are dispersed in at least one surface of the silicon shell.

Composite anode active material, method of preparing the same, and anode and lithium secondary battery including the composite anode active material

A composite anode active material includes: a silicon anode active material, a metal nitride; and a metal fluoride, wherein the metal nitride and the metal fluoride are each independently disposed on at least one surface of the silicon anode active material.

Composite for anode active material, anode including the composite, lithium secondary battery including the anode, and method of preparing the composite

A composite negative active material, and a negative electrode and a lithium secondary battery that include the composite negative active material, and a method of preparing the composite negative active material are disclosed. The composite negative active material includes: a core including a silicon material and a coating layer disposed on the core, wherein the coating layer includes a water-insoluble polymer composite in which at least one anionic component is chemically bonded to a water-soluble polymer, thereby improving lifespan characteristics of the composite negative active material.

Composite negative active material, negative electrode and lithium secondary battery including the composite negative active material, and method of preparing the composite negative active material

A composite negative active material including a piezoelectric material; and a negative active material. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode.

Composite negative active material and method of preparing the same, negative electrode including composite negative active material, and lithium secondary battery including negative electrode

An in-situ coin cell includes a case, a cap coupled to the case, and an energy storage member disposed between the case and the cap, where a through hole is defined in at least one of the case and the cap, the energy storage member includes a current collector adjacent to the through hole, and another through hole is defined in the current collector. The in-situ coin cell may further include a transparent window between the current collector and at least one of the through holes.

In-situ coin cell for real time analysis, measuring system including the same, method of manufacturing in-situ coin cell and method of measuring in-situ coin cell using light

Growing community of inventors

Gunpo-si, South Korea

Heechul Jung