Samsung Sdi Co., Inc.

Jong-Ki Lee

Sang-In Park

Ho-Jin Kweon

Zin Min Park

Hee-Tak Kim

Nam-Choul Yang

Seok-Gyun Woo

Duck-Chul Hwang

Man-Seok Han

Jea-Woan Lee

Chung-Kun Cho

Ju-Yong Kim

Jun-Won Suh

Yoon-Chang Kim

Hyun-Chul Kim

Woo-Cheol Shin

Do-Hyung Park

Sung-Yong Cho

So-Ra Lee

Kyeu-Yoon Sheem

Deok-Hyun Kim

Sung-Su Kim

Jun-Sik Kim

Yeong-Chan Eun

Sumihito Ishida

Jan-Dee Kim

Eon-Mi Lee

Hae-Kwon Yoon

Ji-Seong Han

Byung-Joo Chung

Hyun Soh

Joon-Sup Kim

Jin-Hyon Lee

Eun-Young Goh

Ji-Woon Lee

Sung-Yong Kim

Jin-Seon Shin

Bo-Hyun Kim

Tae-Sik Kim

Yu-Jin Han

Ju-Hee Sohn

Yun-suk Choi

Jung-Yeon Won

Sang-Hyeon Choi

Hye-Jin Kwon

Jake Kim

Jin-Hong An

Young-Mi Park

Ju-Hyeong Han

Seol-Ah Lee

Woong-Ho Cho

Seok-Gyun Chang

Hyung-Gon Noh

Won-Hyouk Jang

Chong-Hoon Lee

Seong-Gi Choo

Seung-wan Kim

Ri-a Ju

Sang-Yeol Hur

Hyun-Uk Jo

Hee-Joong Kim

Mee-Young Lee

Dong-Hyun Shin

Hong-Jeong Kim

Min-Hwan Kim

Hyung-Keun Lee

Eun-Ju Kwak

Eun-Yong Goh

Provided are an electrode structure and a lithium battery including the same. The electrode structure may include a positive electrode, a negative electrode, and a first separator disposed between the positive electrode and the negative electrode, wherein the positive electrode and the negative electrode have active material layers having different loading levels. A lithium battery may have improved high rate characteristics and lifespan characteristics by including the electrode structure.

Electrode structure and lithium battery including the same

Provided are a negative electrode for a rechargeable lithium battery including a negative active material and a conductive material wherein the negative active material includes graphite and an inorganic particle positioned on the surface of the graphite and having no reactivity with lithium, and the conductive material is included in an amount of greater than or equal to about 0.1 wt % and less than about 2 wt % based on the total amount of the negative active material and the conductive material, and a rechargeable lithium battery including the same.

Negative electrode for rechargeable lithium battery and rechargeable lithium battery including same

There is provided a manufacturing method of an electrode assembly, the method including blanking a first electrode from a first base including a first coated region and a first uncoated region, blanking a second electrode from a second base including a second coated region and a second uncoated region, laminating a separator on the second electrode, cutting the laminated second electrode with the separator, and stacking the laminated second electrode and the first electrode.

Electrode assembly, manufacturing method thereof, and rechargeable battery

A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, a center pin at a center of the electrode assembly, the center pin including a bonding portion electrically coupled to the first electrode, and a terminal portion connected to one end of the bonding portion, a case housing the electrode assembly, and a gasket insulating between the center pin and the case, the gasket enclosing an edge of the terminal portion of the center pin.

Rechargeable battery

A rechargeable battery includes an electrode assembly, a pouch accommodating the electrode assembly, and including first and second exterior members facing each other with the electrode assembly therebetween, and a sealing portion having a sealing width and sealing the first exterior member and the second exterior member along an outer edge of the electrode assembly, and lead tabs electrically connected to the electrode assembly and drawn to the outside of the pouch, wherein the sealing portions define grooves, each of the grooves having a size that is less than the sealing width, and wherein the sealing portion is bent along the outer edge of the electrode assembly and attached to a side surface of the pouch.

A rechargeable battery module that effectively imparts a curvature using a rechargeable battery formed as a pin-shaped rechargeable battery with a very small diameter is provided. The rechargeable battery module includes a plurality of rechargeable batteries arranged in parallel, wherein each rechargeable battery comprises a case and terminals that extend from respective ends of the case along a length direction of the case. The module includes a plurality of caps, wherein each cap is coupled to an end of a rechargeable battery of the plurality of rechargeable batteries and is electrically connected to one of the terminals of the rechargeable battery. The module also includes a connector on each cap connecting adjacent caps coupled to corresponding rechargeable batteries. The adjacent caps are moveable relative to the connector such that a curvature between the corresponding rechargeable batteries changes in a direction crossing the length direction.

Rechargeable battery module

A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator, the first and second electrodes being located on either side of the separator and wound together; a center pin located within the electrode assembly and electrically connected to an uncoated region of the first electrode; a case accommodating the electrode assembly and electrically connected to an uncoated region of the second electrode; a terminal extending to the outside of the case from the center pin; and a gasket located between the terminal and an opening of the case and sealing the opening.

Pin-type rechargeable battery

An electrode for a rechargeable battery and a rechargeable battery, the electrode including a current collector; an electrode active material layer; and an electrolyte solution impregnation layer, wherein the electrolyte solution impregnation layer includes a metal oxide and a conductive material.

Electrode for rechargeable lithium battery and rechargeable lithium battery including the same

Disclosed is a pin-type rechargeable battery having a micro diameter for increasing an energy density at a preset volume. The rechargeable battery includes: an electrode assembly formed by winding a second electrode around an external circumference of a first electrode disposed at a center thereof by interposing a separator; a case to receive the electrode assembly and an electrolyte solution therein and electrically connected to the second electrode; a terminal electrically connected to the first electrode and drawn outside of the case; and a gasket disposed between the terminal and an opening of the case to close the opening of the case.

Provided is a positive active material, a positive electrode including the positive active material, a lithium battery, and a manufacturing method of the same. The positive active material includes a core including a lithium nickel composite oxide and a coating layer formed on the core. The coating layer improves structural stability of the positive active material. Accordingly, lifespan properties of a lithium battery including the positive active material may be improved.

Positive active material, positive electrode, lithium battery including the same, and method of manufacturing thereof

A rechargeable battery includes a wound electrode assembly having first and second electrodes at opposite surfaces of a separator; a first case accommodating a first side of the electrode assembly and being coupled to the first electrode; a second case accommodating a second side of the electrode assembly and coupled to the second electrode; and a gasket engaged by the electrode assembly and combined at the first and second openings to seal the first and second openings.

A rechargeable lithium battery includes a separator between a positive electrode and a negative electrode. The positive electrode has a positive electrode coating region and a positive electrode uncoated region. A positive active material is coated to a positive electrode current collector in the positive electrode coating region, and the positive active material is not coated in the positive electrode uncoated region. The negative electrode includes a negative electrode coating region and a negative uncoated region. A negative active material is coated to a negative electrode current collector in the negative electrode coating region, and the negative active material is not coated and a lithium source is in the negative uncoated region. The negative electrode coating region includes an active region corresponding to the positive electrode coating region. The lithium source is at the negative electrode and separated from an end of the active region by a predetermined interval.

Rechargeable lithium battery

A rechargeable battery includes an electrode assembly having first and second electrodes at opposite sides of a separator and wound about an axis; a first terminal coupled to the first electrode through a first tab; a second terminal coupled to the second electrode through a second tab; a case accommodating the electrode assembly and including first and second openings at its opposite ends; a first gasket between the first terminal and the first opening, the first gasket sealing the first opening and allowing the first terminal to protrude outside of the case; and a second gasket between the second terminal and the second opening, the second gasket sealing the second opening and allowing the second terminal to protrude outside of the case. The case may further include a fixing portion at its inner side that protrudes toward the electrode assembly.

An anode includes a plurality of metal fibers with a three-dimensional (3D) network structure, and a silicon-containing layer having a thickness of about 0.3 &#x3bc;m or less formed on a surface of and inside the 3D network structure of the plurality of metal fibers.

Anode and lithium battery including the same

A rechargeable battery includes: a plurality of electrode assemblies each including first and second electrodes; a case accommodating the electrode assemblies; a cap assembly coupled to the case and including a terminal; and a first current collector coupling the terminal with the first electrodes of the electrode assemblies. The first current collector includes a terminal connector coupled to the terminal and a plurality of electrode connectors, each of the electrode connectors being coupled to a respective one of the first electrodes, and a plurality of first fuses, each of the first fuses being between the terminal connector and a respective one of the electrode connectors and having a substantially constant cross section between the terminal connector and the respective one of the electrode connectors.

Rechargeable battery having fuse

Growing community of inventors

Yongin-si, South Korea

Jong-Ki Lee