Patent application number | Description | Published |
20130280614 | Silicon-Based Anode Active Material And Secondary Battery Comprising The Same - Disclosed herein is a silicon-based anode active material, comprising a silicon phase, a SiO | 10-24-2013 |
20140030597 | Porous Silicon-Based Electrode Active Material And Secondary Battery Comprising The Same - Disclosed herein is a porous silicon-based electrode active material, comprising a silicon phase, a SiO | 01-30-2014 |
20140030599 | Electrode Active Material For Secondary Battery - Disclosed herein is an electrode active material for a secondary battery, and more particularly to an electrode active material comprising a porous silicon oxide-based composite and the method for preparing a porous silicon oxide-based composite. | 01-30-2014 |
20140170485 | METHOD FOR PREPARING ANODE ACTIVE MATERIAL, ANODE ACTIVE MATERIAL PREPARED THEREFROM AND LITHIUM SECONDARY BATTERY HAVING THE SAME - The present invention relates to a method for preparing an anode active material, comprising (S1) forming a shell being a coating layer comprising a carbon material on the surface of a core comprising silicon oxide particles, to obtain a silicon oxide-carbon composite having a core-shell structure; (S2) mixing the silicon oxide-carbon composite with an oxygen-containing lithium salt, followed by heat treatment to produce a silicon oxide-lithium alloy, thereby obtaining a (SiO | 06-19-2014 |
Patent application number | Description | Published |
20130337325 | ANODE INCLUDING SILICON-BASED MATERIAL AND CARBON MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided is an anode including an anode active material including SiO | 12-19-2013 |
20140141334 | POROUS COMPOSITE AND MANUFACTURING METHOD THEREOF - Provided are a porous composite expressed by Chemical Formula 1 and having a porosity of 5% to 90%, and a method of preparing the same: | 05-22-2014 |
20140154578 | ANODE ACTIVE MATERIAL INCLUDING POROUS SILICON OXIDE-CARBON MATERIAL COMPOSITE AND METHOD OF PREPARING THE SAME - Provided are an anode active material including a porous silicon oxide-carbon material composite which includes a porous silicon oxide including pores and a line-type carbon material coated on a surface, in the pores, or on the surface and in the pores of the porous silicon oxide, and a method of preparing the anode active material. | 06-05-2014 |
20140205907 | SILICON-BASED COMPOSITE AND PRODUCTION METHOD THEREOF - The present invention relates to a silicon-based composite including a silicon oxide which is coated thereon with carbon and bonded therein to lithium. The present invention also relates to a method of producing a silicon-based composite, comprising coating a surface of silicon oxide with carbon, mixing the silicon oxide coated with carbon with lithium oxide, and heat-treating a mixture of the silicon oxide coated with carbon and the lithium oxide in an inert atmosphere. | 07-24-2014 |
20140322601 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHUM SECONDARY BATTERY COMPRISING THE SAME - The anode active material of the present invention comprises silicon-based particles obtained from at least one of silicon, a silicon oxide and a silicon alloy, and the silicon-based particles have a faceted shape, thereby providing high capacity and good life characteristics without causing any deterioration which has been generated in the use of conventional silicon-based particles, and eventually providing a lithium secondary battery having such characteristics. | 10-30-2014 |
20140322606 | ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY COMPRISING THE SAME, AND METHOD OF MANUFACTURING ANODE ACTIVE MATERIAL - The present disclosure relates to an anode active material comprising a composite of a core-shell structure, a lithium secondary battery comprising the same, and a method of manufacturing the anode active material. According to an aspect of the present disclosure, there is provided an anode active material of a core-shell structure comprising a core including alloyed (quasi)metal oxide-Li (MO | 10-30-2014 |
20140322611 | ANODE ACTIVE MATERIAL HAVING HIGH CAPACITY FOR LITHIUM SECONDARY BATTERY, PREPARATION THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The anode active material of the present invention comprises an amorphous SiO | 10-30-2014 |
20140377643 | POROUS SILICON-BASED ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - Provided are a porous silicon-based anode active material including crystalline silicon (Si) particles, and a plurality of pores on surfaces, or the surfaces and inside of the crystalline silicon particles, wherein at least one plane of crystal planes of at least a portion of the plurality of pores includes a (100) plane, and a method of preparing the porous silicon-based anode active material. Since a porous silicon-based anode active material of the present invention may allow volume expansion, which is occurred during charge and discharge of a lithium secondary battery, to be concentrated on pores instead of the outside of the anode active material, the porous silicon-based anode active material may improve life characteristics of the lithium secondary battery by efficiently controlling the volume expansion. | 12-25-2014 |
20150072240 | POROUS SILICON-BASED PARTICLES, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE POROUS SILICON-BASED PARTICLES - Provided are a porous silicon-based particle including a silicon (Si) or SiO | 03-12-2015 |