Patent application number | Description | Published |
20130295425 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode comprising a wire-type inner current collector having a first metal tap formed to be extended in a predetermined length at one end thereof, and an inner electrode active material layer formed on the surface of the inner current collector; a separator layer formed on the outer surface of the inner electrode active material layer; and an outer electrode formed on the outer surface of the separator layer, and comprising an outer electrode active material layer and an outer current collector having a second metal tap formed to be extended in a predetermined length at one end thereof. | 11-07-2013 |
20140030569 | CABLE-TYPE SECONDARY BATTERY - The present invention provides a cable-type secondary battery comprising an inner electrode which includes at least one first polarity electrode having a first polarity current collector with a long and thin shape, whose cross-section perpendicular to its longitudinal direction is a circular, oval or polygonal form; a first polarity electrode active material layer formed on an outer surface of the first polarity current collector; and an electrolyte layer filled to surround the first polarity electrode active material layer, and at least one wire-type second polarity electrode which wholly surrounds the inner electrode and is winding around the exterior thereof. | 01-30-2014 |
20140050979 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND PREPARATION THEREOF - The present invention relates to an anode active material for a lithium secondary battery, comprising a carbon material, and a coating layer formed on the surface of particles of the carbon material and having a plurality of Sn-based domains having an average diameter of 1 μm or less. The inventive anode active material having a Sn-based domains coating layer on the surface of a carbon material can surprisingly prevent stress due to volume expansion which generates by an alloy of Sn and lithium. Also, the inventive method for preparing an anode active material can easily control the thickness of the coating layer. | 02-20-2014 |
20140072852 | ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - The present invention relates to an anode for a secondary battery, comprising at least two anode wires which are parallel to each other and spirally twisted, each of the anode wires having an anode active material layer coated on the surface of a wire-type current collector; and a secondary battery comprising the anode. The anode of the present invention has an increased surface area to react with Li ions during a charging and discharging process, thereby improving the rate characteristics of a battery, and also release stress or pressure applied in the battery, e.g., the volume expansion of active material layers to prevent the deformation of the battery and ensure the stability thereof, thereby improving the life characteristic of the battery. | 03-13-2014 |
20140170454 | ANODE FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - The present invention relates to an anode for a secondary battery, comprising: a wire-type current collector; a metal-based anode active material layer formed on the surface of the wire-type current collector, and comprising a metallic active material; and a graphite-based anode composite layer formed on the surface of the metal-based anode active material layer, and comprising a mixture of a graphite-based active material, a conductive material and a first polymer binder. | 06-19-2014 |
20140170455 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, an inner electrode active material layer formed on the surface of the inner current collector, and an electrolyte-absorbing layer formed on the outer surface of the inner electrode active material layer; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector. | 06-19-2014 |
20140170456 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and having an outer electrode active material layer and an outer current collector comprising at least one of a conductive paste and a carbon fiber. | 06-19-2014 |
20140178726 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions; an inner electrode, comprising a spiral electrode formed by spirally twisting two or more wire-type inner current collectors coated with an inner electrode active material on the surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and comprising an outer electrode active material layer and an outer current collector. | 06-26-2014 |
20140178727 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery comprising a polymer electrolyte having a first electrolyte layer comprising a mixture of a first polymer and a first organic electrolyte solution in a weight ratio of 50:50 and 80:20; and a second electrolyte layer formed on at least one surface of the first electrolyte layer and comprising a mixture of a second polymer and a second organic electrolyte solution in a weight ratio of 20:80 and 50:50. Since the multiple-layered polymer electrode film of the present invention exhibits good characteristics in terms of both mechanical property and ionic conductivity, the cable-type secondary battery comprising the same according to the present invention has superior battery performances and flexibility, as well as good strength for withstanding external impact. | 06-26-2014 |
20140178745 | PACKAGING FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to a packaging for a cable-type secondary battery extending longitudinally, comprising: a hollow metal foil layer; a first polymer resin layer formed on one surface of the metal foil layer; and a second polymer resin layer formed on the other surface of the metal foil layer, and a cable-type secondary battery comprising the packaging. | 06-26-2014 |
20140186672 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core, and an inner electrode active material layer formed on the surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector. | 07-03-2014 |
20140212719 | CABLE-TYPE SECONDARY BATTERY - Described herein is a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode surrounding the outer surface of the core for supplying lithium ions, and comprising an inner current collector in the form of a pipe having a three-dimensional network structure, the inner current collector being coated with an inner electrode active material on the outer surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector. | 07-31-2014 |
20140212720 | CABLE-TYPE SECONDARY BATTERY - Disclosed herein is a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, an inner electrode active material layer formed on the surface of the inner current collector, and a first electrolyte-absorbing layer formed on the outer surface of the inner electrode active material layer; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; a second electrolyte-absorbing layer formed on the surface of the separator; and an outer electrode surrounding the outer surface of the second electrolyte-absorbing layer and comprising an outer electrode active material layer and an outer current collector. | 07-31-2014 |
20140220400 | CABLE-TYPE SECONDARY BATTERY CAPABLE OF WIRELESS CHARGE - The present invention provides a cable-type secondary battery capable of wireless charge. The cable-type secondary battery according to the present invention can be applied in a wireless charging method, thereby being conveniently charged as compared with conventional batteries which are charged with wires, and has an outer current collector configured in a wound form, which can overcome the problem of local charge caused by the shape of conventional cable-type batteries. Also, the outer current collector configured in a wound form acts as a current of electrodes, and also can act as a charger which generates a current by external magnetic field, thereby simplifying battery configuration. | 08-07-2014 |
20140234672 | CABLE-TYPE SECONDARY BATTERY CAPABLE OF WIRELESS CHARGE - The present invention provides a cable-type secondary battery capable of wireless charge. The cable-type secondary battery according to the present invention can be applied in a wireless charging method, thereby being conveniently charged as compared with conventional batteries which are charged with wires, and has a charging coil configured in a wound form, which can overcome the problem of local charge caused by the shape of conventional cable-type batteries. Also, the charging coil is formed in a packaging to act as a reinforcement material, thereby enhancing the mechanical property of the cable-type secondary battery. | 08-21-2014 |
20140234681 | ANODE FOR CABLE-TYPE SECONDARY BATTERY AND CABLE-TYPE SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to an anode for a cable-type secondary battery, more specifically an anode for a cable-type secondary battery, comprising a spiral electrode consisting of at least two wire-type electrodes which are spirally twisted with each other, each of the wire-type electrodes comprising a wire-type current collector, an anode active material layer formed by coating on the outer surface of the wire-type current collector, and a polymer resin layer formed by coating on the outer surface of the anode active material layer; and a cable-type secondary battery comprising the anode. The anode for a cable-type secondary battery according to the present invention comprises a polymer resin layer formed by coating on the outer surface of an anode active material layer, thereby preventing the release of the anode active material layer from a wire-type current collector and eventually preventing the deterioration of battery performances. | 08-21-2014 |
20140242460 | ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES AND METHOD FOR MANUFACTURING SAME - Disclosed are an anode active material for lithium secondary batteries and a method for manufacturing same, the anode active material comprising: a core part including a carbon-silicon complex and having a cavity therein; and a coated layer which is formed on the surface of the core part and includes a phosphor-based alloy. | 08-28-2014 |
20140272506 | CABLE-TYPE SECONDARY BATTERY - Disclosed is a cable-type secondary battery comprising at least one inner electrode layer including an inner electrode active material formed on a surface of an inner current collector having a horizontal cross section of a predetermined shape and extending in a lengthwise direction, a separation layer formed to surround the inner electrode layer, and an outer electrode layer formed to surround the separation layer and including an outer electrode active material formed on a surface of an outer current collector, and the cable-type secondary battery further comprises a first connection terminal that is electrically connected to the outer current collector and formed at one end of the cable-type secondary battery, and a second connection terminal that is electrically connected to the inner current collector and formed at the other end of the cable-type secondary battery. | 09-18-2014 |
20140320076 | WIRELESS CHARGING APPARATUS FOR CABLE-TYPE SECONDARY BATTERY - Disclosed is a wireless charging apparatus for a cable-type secondary battery. The wireless charging apparatus for the cable-type secondary battery according to the present disclosure includes a socket having a space formed inside for mounting the cable-type secondary battery, a first terminal that is electrically connected to an outer current collector of the cable-type secondary battery mounted in the socket, a second terminal that is electrically connected to an inner current collector of the cable-type secondary battery mounted in the socket, and a secondary coil for wireless charging having one end connected with the first terminal and the other end connected with the second terminal, and wound along an outer circumferential surface of the socket. According to the present disclosure, even if a secondary coil for wireless power reception is absent from a cable-type secondary battery, charging may be performed by a method for wireless power transmission and reception. | 10-30-2014 |
20140336975 | METHODS OF MEASURING ELECTRODE DENSITY AND ELECTRODE POROSITY - Provided are methods of measuring electrode density and electrode porosity using X-ray diffraction. | 11-13-2014 |
20140356722 | CONDUCTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ELECTRODE FOR LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present invention relates to a conductive material for a secondary battery, including a pitch coated graphene sheet, an anode for a secondary battery including the same, and a lithium secondary battery including the electrode. | 12-04-2014 |
20150064530 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions; an inner electrode, comprising a spiral electrode formed by spirally twisting two or more wire-type inner current collectors coated with an inner electrode active material on the surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and comprising an outer electrode active material layer and an outer current collector. The core for supplying lithium ions is disposed in the inner electrode, from which the electrolyte of the core for supplying lithium ions can be easily penetrated into an electrode active material, thereby facilitating the supply and exchange of lithium ions. | 03-05-2015 |
20150072237 | TRANSITION METAL-METAPHOSPHATE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY OR HYBRID CAPACITOR INCLUDING THE ANODE ACTIVE MATERIAL - Provided is an anode active material including a transition metal-metaphosphate of Chemical Formula 1: | 03-12-2015 |
20150072238 | TRANSITION METAL- PYROPHOSPHATE ANODE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY OR HYBRID CAPACITOR INCLUDING THE ANODE ACTIVE MATERIAL - Provided is an anode active material including a transition metal-pyrophosphate of Chemical Formula 1 below: | 03-12-2015 |
20150086822 | CABLE-TYPE SECONDARY BATTERY - The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and having an outer electrode active material layer, an open-structured outer current collector and a conductive paste layer. | 03-26-2015 |