Abstract: A flexible cascade unit for cascading electrical elements and device thereof are provided. The cascade unit includes a first series connection portion, a second series connection portion and a flexible structure. The flexible structure is integrally formed between the first and second series connection portions, and has a first flexible rib and a second flexible rib. Each of the first and second flexible ribs respectively clads a conducting wire. Each conducting wire has two conducting ends respectively extended to the first and second series connection portions. As such, a flexible strip-like object can be formed, and be attached at an arm, waist or wrist of a person to be readily portable and wearable.

Abstract: A fuel cell system having an ejector includes a stack for generating electricity by using air and fuel gas being supplied thereto. A fuel gas circulating line re-circulates the fuel gas from an outlet of the stack to an inlet of the stack. An ejector is mounted to the fuel gas circulating line for supplying fresh fuel gas and circulating the fuel gas. The ejector includes a vacuum suction pipe having one side connected to the fuel gas re-circulating line and a fuel gas spray nozzle mounted to the vacuum suction pipe for spraying the fuel gas to form a vacuum. An inner housing through which the fuel gas sprayed from the fuel gas spray nozzle passes. An outer housing is arranged on an outside of the inner housing to construct a condensed water space with the inner housing. The inner housing drains water from an inside of the inner housing to the condensed water space.

Abstract: A valve regulated lead-acid battery includes a positive electrode plate, a retainer mat and a negative electrode plate housed in a container and holding an electrolyte solution respectively. The electrolyte solution contains colloidal silica and lithium ions.

Abstract: Disclosed herein is an electrode assembly configured to have a structure in which two or more unit cells are sequentially stacked or a structure in which two or more unit cells are folded using a long sheet type separation film, wherein the unit cells include bi-cells, each of which includes a positive electrode, a negative electrode, and a separator, at least one of the bi-cells includes a safety electrode configured such that an electrode active material is applied only to one major surface of an electrode current collector, the safety electrode includes a first surface, to which no electrode active material is applied, and a second surface, to which the electrode active material is applied, and the at least one of the bi-cells including the safety electrode is configured such that a safety separator, having a thickness equivalent to 110% to 220% of a thickness of a separator disposed between a positive electrode and a negative electrode or between a negative electrode and a positive electrode excluding the

Abstract: The present invention combines the storage capacity of redox flow batteries and the production of hydrogen and other products of chemical redox reactions. The redox couple of each electrolyte is chemically regenerated on a specific catalyst bed 11, replacing the discharging processes of the battery, while oxidizing or reducing other species present. This allows for the production of hydrogen on the cathodic side, and various useful products on the anodic side, such as oxygen for fuel cell application. The proposed system uses a dual circuit arrangement from which electrolytes 8 may be pumped through the catalyst beds 11 as desired, once they are in their charged state.

Abstract: A lithium-ion battery containing: a positive electrode, a negative electrode, an electrolyte comprising: an organic solvent chosen from the group comprising carbonates, linear esters of a saturated acid, or a mixture thereof, an additive capable of forming a passivation film on the surface of the negative electrode, at least one lithium salt, at least one ionic liquid for which the percentage by weight in the electrolyte is greater than or equal to 20% and less than 50%; a separator for which the apparent contact angle between the surface thereof and the electrolyte is less than 20°.

Abstract: An objection is to provide a high performance secondary battery having good flame retardancy and cycle properties. The present exemplary embodiment provides a secondary battery comprising an electrode assembly in which a positive electrode and a negative electrode are arranged to face each other, an electrolyte liquid and a package accommodating the electrode assembly and the electrolyte liquid, wherein the negative electrode is formed by binding a negative electrode active substance comprising a metal (a) capable of being alloyed with lithium, a metal oxide (b) capable of occluding and releasing lithium ions and a carbon material (c) capable of occluding and releasing lithium ions, to a negative electrode current collector, with a negative electrode binder, and the electrolyte liquid comprises a supporting salt and an electrolytic solvent, the electrolytic solvent comprising at least one phosphate ester compound selected from phosphite esters, phosphonate esters and bisphosphonate esters.

Abstract: A battery pack is disclosed. The battery pack includes a battery cell, a protection circuit module, and a temperature sensor, which are each held by a case. The case includes a dedicated space for the temperature sensor and a fixing element to fix the temperature sensor in the dedicated space.

Abstract: A system and method for reducing the corrosive effects of an air/hydrogen front in a fuel cell stack. The method includes shutting down the fuel cell stack and then initiating a hydrogen sustaining process where hydrogen is periodically injected into an anode side of the fuel cell stack while the stack is shut down for a predetermined period of time. The method determines that the hydrogen sustaining process has ended, and then purges the anode side and a cathode side of the fuel cell stack with air after the hydrogen sustaining process has ended and the stack is still shut-down.

Abstract: A modular, intrinsically-safe power module assembly is provided. The assembly includes a rigid conduit adapter configured to mount to a conduit of a field device. A housing, having an interior, is operably coupled to the rigid conduit adapter and is physically supported by the rigid conduit adapter. At least one non-rechargeable battery is disposed within the housing. Intrinsic safety circuitry is coupled to the at least one non-rechargeable battery, and is coupled to a connector that mates with a cooperative connector in the rigid conduit adapter.

Abstract: One embodiment of the present invention is a unique fuel cell system. Another embodiment is a unique desulfurization system. Yet another embodiment is a method of operating a fuel cell system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for fuel cell systems and desulfurization systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.

Abstract: [Problem] To provide a hybrid negative plate for a lead-acid storage battery, that inhibits decrease in hydrogen gas evolution potential and improves rapid discharge cycle characteristics in PSOC. [Means for Resolution] In a hybrid negative plate for a lead-acid storage battery, comprising a negative electrode active material-filled plate having formed on the surface thereof a coating layer of a carbon mixture comprising a carbon material for ensuring conductivity, activated carbon for ensuring capacitor capacity and/or pseudocapacitor capacity, and at least a binder, activated carbon modified with a functional group is used as the activated carbon. Preferably, activated carbon modified with an acidic surface functional group is used.

Abstract: Implementations of the present disclosure generally relate to separators, high performance electrochemical devices, such as, batteries and capacitors, including the aforementioned separators, and methods for fabricating the same. In one implementation, a separator for a battery is provided. The separator comprises a substrate capable of conducting ions and at least one dielectric layer capable of conducting ions. The at least one dielectric layer at least partially covers the substrate and has a thickness of 1 nanometer to 2,000 nanometers.

Abstract: A fuel cell system suppresses the deterioration of an electrolyte membrane of a fuel cell. The fuel cell system comprises: a temperature rise speed calculation unit for calculating a target temperature rise speed of the fuel cell using a temperature of the fuel cell and a water content of the fuel cell; and a drive control unit for controlling a drive of the cooling water pump using the temperature rise speed of the fuel cell and the target temperature rise speed calculated by the temperature rise speed calculation unit. The drive control unit controls the drive of the cooling water pump such that a circulation amount of the cooling water is decreased when the temperature rise speed of the fuel cell is below the target temperature rise speed and controls the drive of the cooling water pump such that the circulation amount of the cooling water is increased when the temperature rise speed of the fuel cell is equal to or greater than the target temperature rise speed.

Abstract: Disclosed is a method of manufacturing a battery electrode in which a positive electrode lead tab and a negative electrode lead tab each of which is integrally formed with a collector formed of a metal foil and has excellent characteristics. The method includes separating a battery electrode having a desired size from a strip-shaped electrode in which an active material is intermittently applied onto a collector. The strip-shaped electrode includes an n-th application part, an n-th non-application part adjoining the n-th application part, and an (n+1)-th application part that adjoins the n-th non-application part on an opposite side at which the n-th application part adjoins the n-th non-application part (n is a positive integer). The battery electrode is cut out from the strip-shaped electrode, including at least the n-th application part, n-th non-application part, and (n+1)-th application part.

Abstract: A terminal-cover assembly for a secondary battery comprises a cover and at least two terminal assemblies. The cover is arranged on one side of the battery housing and has several through-holes where two terminal assemblies are installed. Each terminal assembly has an electric-conduction terminal penetrating the through-hole. The electric-conduction terminal has an installation member at one end thereof and at least one fixing element with a female thread. A fastening element with a male thread is inserted through the installation member and engaged with the female thread of the fixing element. The fixing element and fastening element are made of an identical material. Thereby, the fastening element and the fixing element can cooperate with electric-conduction plates to cascade secondary batteries to form a battery assembly, neither damaged by hardness difference nor loosened by different extents of deformations resulting from different thermal expansion coefficients.

Abstract: A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.

Abstract: The present invention relates to a humidification unit for providing a carrier gas containing a fuel for supplying a fuel cell. This comprises a humidification chamber, which is designed for the storage of a liquid containing fuel, an inlet leading into the humidification chamber feed a liquid containing fuel, a further inlet leading into the humidification chamber to feed a carrier gas, in such a way that the carrier gas in the humidification chamber is in contact with the liquid, an outlet for the release of the carrier gas containing gaseous fuel, wherein a control unit is provided to keep the liquid containing fuel in the humidification chamber at a temperature below its boiling point.

Abstract: A fuel cell (FC) system operating as its own hydrogen leak detector. The system including at least one cathode and cathode conduit for passage of oxidant to the cathode and a housing containing one or more FCs and defining a plenum around the FC. A ventilation system forces air from the plenum into the cathode conduit and a control system monitors the FC voltage and detects a drop in voltage attributable to hydrogen in the cathode conduit. A control system may include actual cell voltage monitoring of the FC or of one or more cells in the FC stack and a processor for receiving inputs indicative of the operation of the FC or FC stack and/or to determine an expected voltage of FC(s) being monitored and whether the difference between the actual and expected voltage(s) exceeds a predetermined threshold indicative of a predetermined level of hydrogen in the cathode conduit.

Abstract: An electrical power storage unit for motor vehicles, having a housing comprising an electrical battery cell pack in a first housing section and an electrical circuit therefor in a second housing section separated from the first housing section and separately openable, wherein the second housing section has at least one separated and independently openable maintenance region, which—with the exception of an optional contact-protected high-voltage fuse—does not comprise any electrical circuit components operating above a predetermined low-voltage limit, preferably 60 V DC.