Samsung Sdi Co., Inc.

Samsung Sdi., Ltd.

Sumihito Ishida

Kyeu-Yoon Sheem

Eui-Hwan Song

Jung-Woo An

Young-Kee Kim

Bok-Hyun Ka

Jin-Man Jeoung

Hyun-Uk Jo

Seok-Gyun Woo

Da-Un Han

Sun-Il Park

Jeong-Woo Han

Mee-Young Lee

Jin Hong Kim

Jong-Ki Lee

Man-Seok Han

Deok-Hyun Kim

Jun-Sik Kim

Tae-Keun Kim

Da-Woon Han

Jin-Kyu Hong

Yeon-Joo Choi

Hee-Joong Kim

Joon-Kil Son

Satoshi Narukawa

Jungwoo An

Euihwan Song

A positive electrode for a rechargeable lithium battery, includes a current collector including pores on a surface thereof; and a positive active material layer on the current collector and including a positive active material, the positive active material including a lithium metal compound including primary particles and secondary particles including agglomerations of the primary particles, an average diameter of the pores of the current collector being greater than an average particle diameter (D50) of the primary particles and less than an average particle diameter (D50) of the secondary particles.

Positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same

In an aspect, a positive electrode for a lithium rechargeable battery including a current collector; a positive active material layer disposed on the current collector, wherein the positive active material layer includes a positive active material, active carbon, and an additive.

A positive electrode for a rechargeable lithium battery includes a positive active material and activated carbon, wherein an average particle diameter of the activated carbon is about 100% to about 160% relative to 100% of an average particle diameter of the positive active material.

Positive active material for rechargeable lithium battery and rechargeable lithium battery

A rechargeable lithium battery that includes: a negative electrode including a negative active material, and a positive electrode including a positive active material and activated carbon. When the positive active material includes a lithium iron phosphate-based compound, the average particle diameter of the activated carbon is greater than or equal to about 1000% and less than or equal to about 3000% of the average particle diameter of the positive active material.

Rechargeable lithium battery with controlled particle size ratio of activated carbon to positive active material

A battery cell includes a first electrode terminal, a second electrode terminal spaced from the first electrode terminal, and at least one sub terminal coupled to one of the first electrode terminal or the second electrode terminal. The at least one sub terminal includes at least one convex area and at least two concave areas. Each of the convex area and the at least two concave areas to establish an electrical connection with an electrode terminal of adjacent battery cells.

Battery cell and battery pack using the same

The positive active material for a rechargeable lithium battery includes a composite material of a microporous carbon-based material and a lithium composite compound and a carbon layer on the surface of the composite material.

Positive active material for rechargeable lithium battery and rechargeable lithium battery including same

An electrolyte for a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2 is disclosed. A rechargeable lithium battery including the electrolyte is also disclosed. The structures and definitions of the Chemical Formulae 1 and 2 are the same as described in the detailed description.

Electrolyte and rechargeable lithium battery including the same

An electrolyte for rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, a first additive represented by the following Chemical Formula 1, and a second additive represented by the following Chemical Formula 2. A rechargeable lithium battery includes the electrolyte.

Electrolyte for rechargeable lithium battery and rechargeable lithium battery including same

In an aspect, a positive active material for a rechargeable lithium battery that includes a first positive active material; and a second positive active material including LiMnMO(M is selected from Co, Ni, Mn, Fe. Cu, V, Si, Al, Sn, Pb, Sn, Ti, Sr, Mg, Ca or a combination thereof; x is 0&#x2266;x&#x2266;1.0; and a is 0.9&#x2266;a&#x2266;1.1) is disclosed.

A positive active material for a rechargeable lithium battery includes a porous material including primary particles, and secondary particles including aggregates of a plurality of the primary particles. The porous material has a tap density of 0.3 to less than 1.0 g/cc. A positive electrode includes the positive active material. A rechargeable lithium battery includes the positive electrode including the positive active material.

Positive active material for rechargeable lithium battery, and positive electrode and rechargeable lithium battery including the same

An active material for a rechargeable lithium battery and a rechargeable battery, the active material including an active material core; and a thin film graphite layer on the core.

Active material including a thin film graphite layer and rechargeable lithium battery

Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1.LiVMO&#x2003;&#x2003;[Chemical Formula 1] In Chemical Formula 1,

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

A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1 where Si exists with a concentration gradient from the surface to the center of the negative active material:SiC&#x2003;&#x2003;[Chemical Formula 1]

Negative active material for rechargeable lithium battery and rechargeable lithium battery

A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2&#x3b8;=23&#xb0;&#xb1;5.0&#xb0; and 2&#x3b8;=26.5&#xb0;&#xb1;1.0&#xb0; when X-ray diffraction is measured using a CuK&#x3b1; ray. The peak height at 2&#x3b8;=23&#xb0;&#xb1;5.0&#xb0; is higher than the one at 2&#x3b8;=26.5&#xb0;&#xb1;1.0&#xb0;.

Crystalline carbonaceous material with controlled interlayer spacing and method of preparing same

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.

Growing community of inventors

Yongin-si, South Korea

Sumihito Ishida