Samsung Sdi Co., Inc.

Samsung Mobile Display Co., Ltd.

Samsung Display Devices Co., Ltd.

Samsung Display Co., Ltd.

Yoon-Chang Kim

Ji-Hyun Kim

Joon-Gu Lee

Do-Hyung Park

Sang-Hwan Cho

Young-Woo Song

So-young Lee

Young-Hun Lee

Ick-Kyu Choi

Seon-Young Kwon

Jay-Hyok Song

Jong-Seo Choi

Min-Han Kim

Young-Ki Kim

Jae-Heung Ha

Soon-Rewl Lee

Young-ki Kim

Yong-Chan You

Kyu-Nam Joo

Jin-Woo Park

Mu-Hyun Kim

Seung-Yong Song

So-Young Lee

Ji-Hoon Ahn

Yu-Mi Song

Jong-Seok Oh

Jeong-Seop Lee

Chang-Hyuk Kim

Young-Rag Do

Hyun-Deok Lee

Mi-Ran Song

Gyeong-Jae Heo

Min-Ju Kim

Gyu-Nam Joo

Dong-Sik Zang

Jin-Hyoung Seo

Sun-Hwa Kwon

Seong-Taek Lee

Tae-Min Kang

Yong-Chul Park

Jang-hyuk Kwon

Ho-Kyoon Chung

Young-Kwan Kim

Seok-Gyun Woo

Min-Kyu Kim

Sang-Hoon Yim

Jong-Ki Lee

Chun-Gyoo Lee

So-Ra Lee

Jun-Sik Kim

Won-Il Jung

Sung-Hwan Moon

Chang-Wook Kim

Byung-Joo Chung

Jake Kim

Han-Eol Park

Hyoung-Bin Park

Seol-Ah Lee

Seung-Kwon Han

Chong-Hoon Lee

Young-rag Do

Min-Suk Lee

Bu-Chul Sin

Young-woo Song

Dong-Kyun Seo

Kyoung-Cheon Son

Hyek-Bok Lee

Sang-Hyo Lee

Jin-woo Park

Vladislav Shutovsky

Nikolay Osaulenko

Oleg Kultashev

Min-Hwan Kim

Young-Hung Lee

A cap assembly and a secondary battery including the cap assembly including a cap-down, and at least a portion thereof is configured to open when pressure is applied to the cap-down, a vent portion, and at least a portion thereof is configured to open when pressure is applied to the vent portion, and a cap-up electrically connected to the vent portion.

Cap assembly and secondary battery including the same

In one aspect, a positive electrode active material is provided, a method of manufacturing the positive electrode active material, and a lithium battery employing the positive electrode active material. The positive electrode active material may have high thermal stability and low capacity deterioration despite repetitive charging and discharging.

Positive electrode active material, method of manufacturing the positive electrode active material, and lithium battery employing the positive electrode active material

A positive active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery including the positive active material. The positive active material includes a core part and a shell part that include a nickel-based composite oxide, and a content of nickel in the core part is larger than that in the shell part.

Positive active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive active material

A positive active material including a lithium composite oxide and a transition metal oxide including a transition metal having an oxidation number smaller than an oxidation number when the transition metal is in the most stable state hinders generation of oxygen occurring during charging and provides a lithium battery with high-temperature preservation characteristics and high stability.

Positive active material and lithium battery including the same

In one aspect, a positive active material is provided that may have increased thermal stability and resistance to capability deterioration due to repeated charging and discharging, a method of manufacturing the same, and a lithium battery that includes the positive active material.

Positive active material including lithium nickel composite oxide core and coating layer containing lithium metal phosphate and metal phosphate, manufacturing method thereof, and electrode and lithium battery containing the same

A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide includes an over lithiated oxide and non-continuous portions of a lithium nickel cobalt manganese oxide on a surface of the over lithiated oxide.LiNiCoMnO&#x2003;&#x2003;Chemical Formula 1

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

A piezoelectric element layer is further formed as a package material of a secondary battery, so that the secondary battery can be self-charged using a voltage generated in the piezoelectric element layer according to vibration generated in an electronic device and vibration generated by movement of the electronic device itself. The secondary battery includes a battery case that accommodates an electrode assembly, the battery case having an outer coating layer and a piezoelectric element layer formed on an inner surface of the outer coating layer, and a protection circuit module mounted to an outside of the battery case and electrically connected to the electrode assembly. In the secondary battery, a voltage storage is provided to the protection circuit module, and the piezoelectric element layer converts absorbed vibration into voltage and then stores the voltage in the voltage storage so that the secondary battery is self-charged as occasion demands.

Secondary battery

A lithium secondary battery including lithium molybdate. The lithium molybdate is a composite including semi-crystalline lithium molybdate as a minor component and crystalline lithium molybdate as a major component.

Lithium secondary battery including lithium molybdate

Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5&#xb1;2&#xb0;, 21&#xb1;2&#xb0;, 38&#xb1;2&#xb0;, and 64&#xb1;2&#xb0; 2-theta (2&#x3b8;) and represented by Formula 1: LiMoO, where 1&#x3c;x&#x2266;3. Also disclosed is a method of preparing the positive active material.

Positive active material for lithium secondary battery

Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium ions, and a second layer allowing reversible intercalation and deintercalation of lithium ions. In one embodiment, the first layer further comprises a first sublayer and a second sublayer, in which the first sublayer is interposed between the current collector and the second sublayer. The first sublayer comprises a first active material represented by Formula 1 LiMoRO, and the second sublayer comprises a second active material represented by Formula 2 LiNiRO. In Formula 1, 0&#x2266;n&#x3c;1; and Ris selected from the group consisting of manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), magnesium (Mg), nickel (Ni), and combinations of at least two of the foregoing elements. In Formula 2, 0&#x2266;m&#x3c;1; and Ris selected from the group consisting of Mn, Fe, Co, Cu, Zn, Mg, molybdenum (Mo), and combinations of at least two of the foregoing elements.

Positive electrode and lithium battery including the same

A positive active material, a method of preparing the same, and a lithium battery including the same.

Positive active material, method of preparing the same, and lithium battery including the positive active material

A nickel (Ni)-based positive electrode active material, a method of preparing the same, and a lithium battery using the Ni-based positive electrode active material.

Nickel-based positive electrode active material, method of preparing the same, and lithium battery using the nickel-based positive electrode active material

A positive active material includes first and second lithium nickel complex oxides. A positive electrode and lithium battery include the positive active material. The positive active material, and the lithium battery including the positive active material have increased filling density, are thermally stable, and have improved capacity.

Positive active material, and positive electrode and lithium battery including positive active material

A positive electrode active material for lithium batteries includes secondary particles having primary particles and an amorphous material. A method of manufacturing the positive electrode active material includes mixing a lithium composite oxide and a lithium salt, and heat treating the mixture. A positive electrode includes the positive electrode active material, and a lithium battery includes the positive electrode.

Positive electrode active material comprising an agglomeration of at least two primary particles for lithium battery and lithium battery using the same

Provided is a light-emitting device which has a simple structure and can be manufactured in a simple process, has increased light coupling efficiency and brightness, and can reduce adverse effects of optical resonance on a view angle and emission spectrum. The light-emitting device includes a substrate; a light-emitting diode formed on the substrate; and an optical resonance layer formed outside the light-emitting diode that induces resonance of light emitted from the light-emitting diode.

Light-emitting device having optical resonance layer

Growing community of inventors

Suwon-si, South Korea

Yoon-Chang Kim