A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode…
A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode…
To provide a storage battery including a carbon-based material. To provide a graphene compound film having desired ion conductivity and mechanical strength while preventing direct contact between electrodes in a storage battery. To achieve long-term reliability. A lithium-ion storage battery…
A flexible secondary battery includes: an electrode stack assembly including a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first electrode tab electrically connected to the first electrode plate; and a second…
The present invention provides a solid state lithium secondary battery in which the occurrence of a short circuit at the time of charging is suppressed. This object is attained by providing a solid state lithium secondary battery comprising an anode current collector (1), a solid electrolyte layer…
A battery module is provided with: battery holders, which have accommodation sections; rechargeable batteries arranged side-by-side while being respectively received in the accommodation sections; a metal plate member, which is provided at least between rechargeable batteries adjacent to each other…
There are provided a method of manufacturing a jelly roll-type electrode assembly and a method of manufacturing a secondary battery using the electrode assembly. The method of manufacturing the electrode assembly includes notching a cathode and an anode, elongated in one direction, in a constant…
Provided is a thin film battery module. The thin film battery module comprises: a battery module which is configured of unit cells stacked against each other; and a shock absorbing portion which surrounds the space between the unit cells and the battery module. Also provided are a thin film battery…
A rechargeable battery (100) including an electrode assembly (10) that is adapted to perform a charge and discharge operation; a case (15) that houses the electrode assembly (10); a cap plate (20) coupled to and closing an opening of the case (15); an electrode terminal (21, 22); and a lead tab…
Provided are a Si/C composite, in which carbon (C) is dispersed in an atomic state in a silicon (Si) particle, and a method of preparing the Si/C composite. [0002] Since the Si/C composite of the present invention is used as an anode active material, electrical conductivity may be further improved…
A power supply device (A) includes: a battery assembly (1) including stacked battery cells (2, 3) and electrodes (2b, 3b) of the battery cells (2, 3), the electrodes (2b, 3b) of the adjacent battery cells (2, 3) being arranged to face each other; a connecting portion (31a) of an electric wire for…
A rechargeable battery (100) includes an electrode assembly (110) including a first electrode plate (111), a second electrode plate (112), and a separator (113) between the first electrode plate (111) and the second electrode plate (112), a can (120) having an opening (OP) at one side thereof…
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on the top of the jelly-roll includes a molded article made of a polymer resin or a polymer…
An electrode constituent member for a battery module includes a current-carrying member including an internal connection portion relative to a tab-shaped terminal of an electricity-storage cell, and an external connection portion exposed to an outside of the battery module; a fastener member for…
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case and a plate-shaped insulator is mounted on top of the jelly-roll, wherein the insulator has a porous structure in which a plurality of fine…
The present invention relates to a rechargeable battery including an electrode assembly that performs a charge and discharge action, a case in which the electrode assembly is inserted, a cap plate coupled to an opening of the case, and an electrode terminal in a terminal hole of the cap plate. The…
Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on the top of the jelly-roll includes a woven fabric or a knit fabric made of fibers.
An organic/inorganic composite separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate with a plurality of inorganic particles and a binder polymer. The binder polymer is a copolymer including: (a) a first…
Disclosed herein is a mandrel configured to be used in a winding process for manufacturing a jelly roll type electrode assembly using a long sheet type stack of a cathode/separator/anode structure, wherein the mandrel is oval in a section perpendicular to a rotational central axis of the mandrel, a…
An organic/inorganic composite separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate with a plurality of inorganic particles and a binder polymer. The binder polymer is a copolymer including: (a) a first…
Disclosed is a connecting structure for a secondary battery and a secondary battery pack including the same. The connecting structure for a secondary battery electrically connects a core pack where two or more unit cells are electrically connected and a protection circuit module made of the unit…
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…
A secondary battery including a battery cell; a protection circuit module electrically connected to the battery cell; a top case covering the protection circuit module; and a bottom case covering a bottom surface of the battery cell, and the bottom case includes one or more trenches for receiving…
The present invention relates to an electrical element having a novel structure whereby safety is improved, and, more specifically, relates to an electrical element having a novel structure adapted to solve problems such as heat generation, ignition or explosion which can happen due to factors such…
One aspect of the present invention is to provide a rechargeable battery assembly (100) that can assure high-current discharging characteristic by applying a plurality of cells and realize uniform current distribution to each cell. A rechargeable battery assembly (100) according to an embodiment of…
Disclosed herein is a secondary battery having an electrode assembly mounted in a receiving part of a pouch-shaped battery case, wherein convex parts formed to protrude from the battery case upward are provided at the upper end of the receiving part of the battery case corresponding to electrode…
A rechargeable battery according to an exemplary embodiment includes a plurality of electrode assemblies each comprising a first electrode, a second electrode, and a separator interposed between the first and second electrodes, each electrode having a coated and an uncoated region, a case for…
A method for producing a separator for an electrochemical device of the invention includes the steps of: applying, to a base material, a separator forming composition containing a monomer or an oligomer and a solvent; irradiating the thus formed coating with an energy ray to form a resin (A) having…
A power battery system includes a number of parallel groups that being connected in series and a number of improved electrode boards. Each of the parallel groups comprising a number of single batteries connected in parallel. Each of the improved electrode boards being connected between two…
An electrode assembly for a secondary battery comprising a first electrode having a first active material coated part and a first uncoated part that is not coated with active material, a second electrode having a second active material coated part and a second uncoated part that is not coated with…