Abstract: A button cell includes a housing consisting of two metal housing halves, an electrode separator assembly in the form of a preferably spiral-shaped winding inside the housing, and metal conductors which electrically connect the electrodes of the assembly to the housing halves, wherein at least one of the conductors is connected to the respective housing half by welding.

Abstract: It is an assignment to provide the following: a negative-electrode material for electric storage device, a negative electrode for electric storage device, and an electric storage device, negative-electrode material, negative electrode and electric storage device in which SiOx is used as a negative-electrode active material, which excel in the conductivity, and which can inhibit the discharge capacity from declining; as well as a vehicle having the electric storage device on-board.

Abstract: To improve the reliability of a power storage device. A granular active material including carbon is used, and a net-like structure is formed on part of a surface of the granular active material. In the net-like structure, a carbon atom included in the granular active material is bonded to a silicon atom or a metal atom through an oxygen atom. Formation of the net-like structure suppresses reductive decomposition of an electrolyte solution, leading to a reduction in irreversible capacity. A power storage device using the above active material has high cycle performance and high reliability.

Abstract: In some variations, an apparatus provides real-time monitoring of voltage and differential voltage of both anode and cathode in a battery configured with at least one reference electrode. Voltage monitors are connected to a computer programmed for receiving anode voltage signals; receiving cathode voltage signals; calculating the derivative of the anode voltage with respect to time or with respect to capacity; and calculating the derivative of the cathode voltage with respect to time or with respect to capacity. Other variations provide an apparatus for real-time assessment of capacities of both anode and cathode in a battery, comprising a computer programmed for receiving electrode voltage signals; estimating first and second electrode open-circuit voltages at two different times, and correlating the first and second electrode open-circuit voltages to first and second electrode states of charge, respectively, for each of anode and cathode. The anode and cathode capacities may then be estimated independently.

Abstract: A secondary battery pack including a battery cell having first and second electrode terminals at a top thereof, an electrically insulative mounting member having an opening, through which the second terminal is exposed, the mounting member being mounted to a top of the cell, a protection circuit module (PCM) including a protection circuit board (PCB), having a protection circuit, loaded on the mounting member, a connection member (A) connected to the first terminal, and a connection member (B) connected to the second terminal, the PCB being provided with a through hole, through which the connection member (B) is exposed, and an insulative cap coupled to an upper end of the cell to surround the mounting member in which the connection members and the PCB are loaded on the mounting member, wherein the sum of a height of the PCM and a height of the cap is 3.0 mm or less.

Abstract: Pressure relief mechanisms can provide an outlet for cathode pressure buildup during battery operation. Mechanical cathode modifications can control cathode interfaces during battery operation. Pressure relief mechanisms and mechanical modifications can be utilized to improve performance, longevity and/or to prevent failure of batteries, such as during cycling of liquid metal batteries.

Abstract: A battery pack includes a single cell having a cylindrical shape, the single cell having a positive electrode at one end of the single cell and a negative electrode at the other end of the single cell, a plurality of the single cells being arranged in a radial direction of the single cell; a fuse; a first bus bar connected via the fuse to one electrode, from among the positive electrode and the negative electrode; a second bus bar directly connected to the other electrode, from among the positive electrode and the negative electrode; and a retaining member configured to retain the plurality of single cells from the radial direction of the single cell, in a manner such that when the fuse is disconnected, retaining force with which the single cell is retained by the retaining member decreases and the single cell moves in a direction away from the fuse.

Abstract: A hollow silicon-based particle including silicon (Si) or silicon oxide (SiOx, 0<x<2) particle including a hollow core part therein, wherein a size of the hollow core part is from 5 nm to 45 ?m, and a novel preparation method thereof are provided. Hollow is formed in the silicon-based particle, and volume expansion to the inward/outward of the silicon-based particle may be induced. Thus, the volume expansion of the silicon-based particle to the outward may be decreased, and the capacity properties and the life characteristics of a lithium secondary battery may be improved. According to the novel preparation method of the hollow silicon-based particle of the present invention, mass production is possible, producing rate is faster when compared to a common chemical vapor deposition (CVD) method or a vapor-liquid-solid (VLS) method, and the preparation method of the present invention is favorable when considering processes and safety.

Abstract: A nonaqueous secondary battery includes an ion supply unit which supplies ions identical to ions in an electrolyte into the electrolyte at a reaction potential higher than the uncharged potential of a positive electrode. The ion supply unit includes an ion supply source which elutes the ions into the electrolyte by being in contact with the electrolyte in a state of being electrically connected to the positive electrode, and a first covering portion which covers at least a part of the ion supply source. Then, the first covering portion maintains the ion supply source and the positive electrode in an electrically disconnected state by being interposed between the ion supply source and the positive electrode, and is dissolved or disappears at the reaction potential.

Abstract: The present invention provides an electrode material in which unevenness in a supporting amount of a carbonaceous film is less when using an electrode-active material having a carbonaceous film on a surface thereof as the electrode material, and which is capable of improving conductivity, and a method for producing the electrode material. The electrode material includes an aggregate formed by aggregating an electrode-active material in which a carbonaceous film is formed on a surface. In the electrode material, an average particle size of the aggregate is 0.5 to 100 ?m, a volume density of the aggregate is 50 to 80 vol % of a volume density in a case in which the aggregate is a solid, and 80% or more of the surface of the electrode-active material is covered with the carbonaceous film. Alternatively, the electrode material includes an aggregate formed by aggregating electrode-active material particles in which a carbonaceous film is formed on a surface.

Abstract: The present invention relates to method for making a membrane electrode assembly. First, a carbon nanotube film is fabricated to act as a gas diffusion layer. Second, a catalyst layer is formed on the carbon nanotube film to obtain an electrode. Third, a proton exchange membrane is provided, and two electrodes are separately disposed on two opposite surfaces of the proton exchange membrane, thereby forming the membrane electrode assembly.

Abstract: An additive for an electrolyte solution includes a lithium salt having an oxalato complex as an anion and a compound represented by following Chemical Formula 1. Wherein, a represents C or Si, b represents H or F, and n represents an integer of 1 to 5. A non-aqueous electrolyte solution including the additive and a lithium secondary battery including the electrolyte solution also are provided.

Abstract: Provided is an anode including an anode active material including SiOx (0<x?1) and a carbon material having a surface coated with amorphous carbon, wherein a crystal orientation ratio is in a range of 0.07 to 0.17. A lithium secondary battery including the anode of the present invention may have improved life characteristics, low thickness change rate, and improved initial discharge capacity.

Abstract: A catalyst including: a plurality of porous clusters of silver particles, each cluster of the clusters including: (a) a plurality of primary particles of silver, and (b) crystalline particles of zirconium oxide (ZrO2), wherein at least a portion of the crystalline particles of ZrO2 is located in pores formed by a surface of the plurality of primary particles of silver.

Abstract: A wrapping electrode assembly for use in a secondary battery manufactured by an electrode-stacking method includes: an electrode plate which has a coating layer of an electrode active material and a non-coated protruding portion, the electrode active material being capable of reversibly inserting and extracting lithium ions; first and second separator films which cover both surfaces of the electrode plate while exposing only the non-coated protruding portion; and an insulating polymer film which is positioned between the first separator film and the second separator film at least on a portion of a circumference of the electrode plate to be bonded to the first separator film and the second separator film, wherein the insulating polymer film is formed as being divided into at least two parts.

Abstract: The present disclosure relates generally to systems and methods for recycling lead-acid batteries, and more specifically, relates to systems and methods for selectively separating and separately processing portions of lead-acid batteries to improve efficiency and reduce costs. A lead-acid battery processing system includes an imaging system configured to perform imaging of a lead-acid battery and perform image analysis to determine a break point that divides top lead from a remainder of the lead content of the lead-acid battery. The system also includes a battery breaking device configured to break the lead-acid battery at the determined break point and separate the lead-acid battery into a first portion, which includes the top lead, from a second portion, which includes the remainder of the lead content, for separate processing of the first and second portions of the lead-acid battery.

Abstract: In various aspects, systems and methods are provided for integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process. The molten carbonate fuel cells can be integrated with a Fischer-Tropsch synthesis process in various manners, including providing synthesis gas for use in producing hydrocarbonaceous carbons. Additionally, integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process can facilitate further processing of vent streams or secondary product streams generated during the synthesis process.

Abstract: A power generation system of the present invention includes: a fuel cell unit (101) including a fuel cell (11) and a case (12); a controller (102); a combustion unit (103) provided outside the case (12) and configured to combust a combustible gas to supply heat; and a discharge passage (70) configured to cause the fuel cell unit (101) and the combustion unit (103) to communicate with each other, wherein in a case where an exhaust gas is being discharged to the discharge passage (70) from one of the fuel cell unit (101) and the combustion unit (103) and the controller (102) changes the flow rate of the exhaust gas discharged from the other unit, the controller (102) controls at least the flow rate of the exhaust gas discharged from the other unit such that the flow rate of the exhaust gas discharged from the one unit becomes constant.

Abstract: The present invention provides a phase-shift mask comprising a light shading region which is covered by a light shading pattern and a light transmission region which is not covered by the light shading pattern, the light shading pattern comprises a symmetrical part and an asymmetrical part provided outside the symmetrical part, wherein, an optical blocking unit is provided in a part of the light transmission region outside the symmetrical part away from the asymmetrical part, so that intensity of light transmitted through the part of the light transmission region provided with the optical blocking unit is reduced. During an exposure process using the phase-shift mask of the present invention, the obtained exposure intensity is more uniform.

Abstract: An ion filter roof structure of a fuel cell for a vehicle is provided and includes a controller that is connected to a heater, a pump, a 4-way valve, and a radiator disposed within a fuel cell for a vehicle. In addition, a thermal management system of the ion filter roof structure includes an ion filter and a fuel cell stack connected to the controller to form an ion filter roof. Based on this structure, during high output, a cooling performance of the vehicle is improved, durability of the ion filter is improved, and a pump operation is decreased to improve fuel efficiency.