Samsung Sdi Co., Inc.

Da-Woon Han

Jan-Dee Kim

Kyeu-Yoon Sheem

Sung-Hwa Eo

Jun-Won Suh

Jeong-Doo Yi

Sol Choi

Ju-Hee Sohn

Bong-Kyoung Park

Ju-Hyeong Han

Hyun-Hwa Song

Bok-Hyun Ka

Seok-Hun Hong

Seong-Gi Choo

Hye-Ri Eom

Jung-Yup Yang

Eui-Hwan Song

Jung-Gyu Nam

Sumihito Ishida

Jung-Woo An

Jungyup Yang

Hyun-Uk Jo

A case for a rechargeable battery and a rechargeable battery including the case, the case including a sequentially deposited first resin layer and second resin layer, wherein the second resin layer includes a butyl-based resin.

Case for rechargeable battery and rechargeable battery comprising the same

A rechargeable battery according to another exemplary embodiment of the present invention includes an electrode assembly including a first electrode including a first electrode plate, a plurality of first electrode uncoated regions protruded from the first electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, a separator overlapping the first electrode, and a second electrode including a second electrode plate overlapping the separator, a plurality of second electrode uncoated regions protruded from the second electrode plate, a base member, and a coupled member formed at at least one lateral side of the base member, wherein a ratio of a thickness (T*2) of one of the coupled members to a thickness (T) of one of the base members is between about 3 and about 6.

Electrode assembly and rechargeable battery including the same

An electrode assembly wound by interposing a separator between a first electrode and a second electrode according to an exemplary embodiment of the present invention is disclosed, wherein the first electrode includes a first coating part coated with an active material and a plurality of first electrode taps that are not coated with the active material and protrude to an outer side of the first coating part, and two first electrode taps per the number of three winding times are formed so as to protrude from the first electrode.

Electrode assembly and rechargeable battery having electrode tap

A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having a thickness and including a positive electrode and a negative electrode. The battery also includes a case accommodating the electrode assembly. The electrode assembly further includes a plurality of first electrode tabs protruding from the positive electrode and a plurality of second electrode tabs protruding from the negative electrode. The first electrode tabs have a width and are aligned in the thickness dimension of the electrode assembly. A distance TG between the first electrode tabs and the second electrode tabs satisfies the following equations: 1.2TW1&#x3c;TG&#x3c;6TW1 and TG&#x3e;5SW1, where TW1 is the width of the first electrode tabs and SW1 is the minimum distance between the first electrode tabs and a lateral end of the electrode assembly.

Rechargeable battery having case

A flexible rechargeable battery includes: a first conductive substrate; a second conductive substrate facing the first conductive substrate; and a sealant at edges of the first conductive substrate and the second conductive substrate. The first conductive substrate includes a first resin layer, a first barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from a first side of the flexible rechargeable battery. The second conductive substrate includes a third resin layer, a second barrier layer, a fourth resin layer, a second electrode current collector layer, and a second electrode coating layer that are sequentially stacked inward from a second side of the flexible rechargeable battery.

Flexible rechargeable battery

A battery includes a conductive substrate, the conductive substrate including a first resin layer, a barrier layer, a second resin layer, a first electrode current collector layer, and a first electrode coating layer that are sequentially stacked inward from an outermost side of the battery, an exterior member disposed to face the conductive substrate, a sealing portion formed at edges of the conductive substrate and the exterior member, and at least one second inner electrode positioned between the conductive substrate and the exterior member and stacked using a separator as a border.

An electrolyte for a lithium battery for solid state drive backup power and a lithium battery for solid state drive backup power including the same, the electrolyte including a non-aqueous organic solvent; and a lithium salt, wherein the lithium salt includes LiBFand the electrolyte has a molar concentration of the LiBFof about 0.8 M to about 1.2 M.

Electrolyte for lithium battery for solid state drive backup power and lithium battery for solid state drive backup power including the same

Disclosed is a negative electrode for a secondary lithium battery and a secondary lithium battery including the same, wherein the negative electrode includes a current collector and a negative active material layer formed on the current collector, and the negative active material layer includes an additive including a core including a metal oxide and a metal coating layer formed on the core, and a negative active material.

Negative electrode for secondary lithium battery, and secondary lithium battery

Disclosed is a positive electrode according to one embodiment of the present invention that includes a current collector and a positive active material layer on the current collector, wherein the positive active material layer includes a positive active material and activated carbon coated with a fibrous carbon material.

Positive electrode for rechargeable lithium battery and rechargeable lithium battery

A negative active material for a rechargeable lithium battery, a method of manufacturing the same, and a rechargeable lithium battery including the negative active material. The negative active material includes carbon particles having interplanar spacing (d002) ranging from about 0.34 nm to about 0.50 nm at a 002 plane, measured by X-ray diffraction using CuK&#x3b1;, and nitrogen on the surface of the carbon particles.

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery

A positive electrode for a rechargeable lithium battery capable of providing a high voltage and a high voltage rechargeable lithium battery including the same, wherein the positive electrode includes a positive active material and a capacitor-reactive carbonaceous material having a specific surface area at or between 10 m/g and 100 m/g.

Positive electrode for rechargeable lithium battery with high voltage and rechargeable lithium battery including same

A positive electrode for a rechargeable lithium battery including a current collector and a positive active material layer disposed on the current collector, a method of manufacturing the positive electrode, and a rechargeable lithium battery including the positive electrode. Here, the positive active material layer includes a positive active material and a coating layer on the surface of the positive active material, wherein the coating layer is formed of a coating layer composition including carbon nano particles, polyvinylpyrrolidone, and polyvinylidene fluoride.

Growing community of inventors

Yongin-si, South Korea

Da-Woon Han