Patent application number | Description | Published |
20090029256 | SI/C COMPOSITE, ANODE ACTIVE MATERIALS, AND LITHIUM BATTERY INCLUDING THE SAME - An Si/C composite includes carbon (C) dispersed in porous silicon (Si) particles. The Si/C composite may be used to form an anode active material to provide a lithium battery having a high capacity and excellent capacity retention. | 01-29-2009 |
20090130862 | Multi-functional cyclic silicate compound, siloxane-based polymer prepared from the compound and process of producing insulating film using the polymer - A multi-functional cyclic silicate compound, a siloxane-based polymer prepared from the silicate compound and a process of producing an insulating film using the siloxane-based polymer. The silicate compound of the present invention is highly compatible with conventional pore-generating substances and hardly hygroscopic, so it is useful for the preparation of a siloxane-based polymer suitable to a SOG process. Furthermore, a film produced by the use of such siloxane-based polymer is excellent in mechanical properties, thermal stability and crack resistance and enhanced in insulating properties by virtue of its low hygroscopicity. Therefore, in the field of semiconductor production, this film is of great use as an insulating film. | 05-21-2009 |
20090169994 | COMPOSITE FOR ANODE MATERIAL, ANODE MATERIALS AND LITHIUM BATTERY USING THE SAME - Provided is a composite for anode material, a method of manufacturing the composite for anode material, and a cathode and a lithium battery that includes the composite for anode material, and more particularly, to a composite for anode material that has a large charge and discharge capacity and a high capacity retention, a method of manufacturing the composite for anode material, and a cathode and a lithium battery that includes the composite for anode material. Also, the composite for anode material in which Si or Si and carbon are distributed in silicon oxide particles is provided. | 07-02-2009 |
20090269942 | Multi-functional cyclic siloxane compound and process for preparing dielectric film by using siloxane-based polymer prepared from the compound - A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges (B), an acyclic alkoxy silane monomer (C), and a linear siloxane monomer (D); and a process for preparing a dielectric film using the polymer. The siloxane compound of the present invention is highly reactive, so the polymer prepared from the compound is excellent in mechanical properties, thermal stability and crack resistance, and has a low dielectric constant resulting from compatibility with conventional pore-generating materials. Furthermore, a low content of carbon and high content of SiO | 10-29-2009 |
20100143804 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - An anode active material includes a material alloyable with lithium coated with an oxide including lithium or coated with a complex of an oxide including lithium and an electrically conductive material. An anode of a lithium secondary battery includes the anode active material. | 06-10-2010 |
20120013051 | POROUS ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND ANODE AND LITHIUM BATTERY EMPLOYING THE SAME - Provided are a porous anode active material, a method of preparing the same, and an anode and a lithium battery employing the same. The porous anode active material includes fine particles of metallic substance capable of forming a lithium alloy; a crystalline carboneous substance; and a porous carboneous material coating and attaching to the fine particles of metallic substance and the crystalline carboneous substance, the porous anode active material having pores exhibiting a bimodal size distribution with two pore diameter peaks as measured by a Barrett-Joyner-Halenda (BJH) pore size distribution from a nitrogen adsorption. The porous anode active material has the pores having a bimodal size distribution, and thus may efficiently remove a stress occurring due to a difference of expansion between a carboneous material and a metallic active material during charging and discharging. Further, the anode electrode and the lithium battery comprising the anode active material have excellent charge/discharge characteristics. | 01-19-2012 |
20120258362 | ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING ELECTRODE ACTIVE MATERIAL, ELECTRODE INCLUDING ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY INCLUDING ELECTRODE - An electrode active material, a method of preparing the electrode active material, an electrode including the electrode active material, and a lithium secondary battery including the electrode; the electrode active material comprising a core active material; and a coating layer formed on a surface of the core active material, wherein the coating layer comprises a composition including a compound represented by Formula 1 below and a carbonaceous material, or a first coating layer including a carbonaceous material and a second coating layer including the compound represented by Formula 1 below: | 10-11-2012 |
20120328943 | SI/C COMPOSITE, ANODE ACTIVE MATERIALS, AND LITHIUM BATTERY INCLUDING THE SAME - An Si/C composite includes carbon (C) dispersed in porous silicon (Si) particles. The Si/C composite may be used to form an anode active material to provide a lithium battery having a high capacity and excellent capacity retention. | 12-27-2012 |
20130143119 | ANODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE ANODE ACTIVE MATERIAL - An anode active material for a lithium rechargeable battery, the anode active material including: a base material which is alloyable with lithium and a metal nitride disposed on the base material. | 06-06-2013 |
20140295273 | ANODE, LITHIUM BATTERY INCLUDING THE ANODE, AND METHOD OF PREPARING THE ANODE - An anode, a lithium battery including the anode, and a method of manufacturing the anode. The anode includes: an anode active material including a metal alloyable with lithium; and a metal-carbon composite conducting agent having a density of 3.0 grams per cubic centimeter or greater. | 10-02-2014 |