Abstract: A bonding device of a fuel cell part is disclosed. The bonding device of the fuel cell part may bond an upper gas diffusion layer and a lower gas diffusion layer to top and bottom surfaces of an MEA base material through adhesive layers, while disposing the MEA base material between the upper gas diffusion layer and the lower gas diffusion layer, and may include: a lower die that supports the MEA base material, the upper gas diffusion layer, and the lower gas diffusion layer to be bonded with each other; an upper die installed in an upper side of the lower die; and an ultrasonic wave vibration source that is installed to be capable of moving in a vertical direction at opposite sides of the upper die, compressing the upper gas diffusion layer, and applying ultrasonic wave vibration energy to the adhesive layer.

Abstract: A battery pack including a left battery module including a plurality of cells; a left heat transfer frame adjacent to a right side of the left battery module; a cooling member adjacent to the left heat transfer frame; a right heat transfer frame adjacent to a right side of the cooling member; a right battery module including a plurality of cells disposed adjacent to a right side of the right heat transfer frame; a lower plate and an upper cover respective disposed below and above the left battery module, the left heat transfer frame, the cooling member, the right heat transfer frame, and the right battery module; and wherein the upper cover comprises an over-pressing prevention protrusion disposed at a position corresponding to each of the left heat transfer frame, the cooling member, and the right heat transfer frame.

Abstract: A fuel cell membrane electrode assembly including a polymer electrolyte membrane (PEM) and first and second electrodes. The PEM is situated between the first and second electrodes. The first electrode includes a first catalyst material layer including a first catalyst material and having first and second surfaces. The first electrode includes first and second material layers adjacent to the first and second surfaces, respectively, of the first catalyst material. The first material layer faces away from the PEM and the second material layer faces the PEM. The first material layer comprises a graphene-based material layer having a number of defects configured to mitigate dissolution of the first catalyst material through the first material layer.

Abstract: A portable power bank including a rechargeable battery and/or a remote server may detect loss of capacity in the power bank battery. The power bank and/or remote server determines a nominal capacity of the power bank, and an actual capacity of the power bank, the actual capacity being less than the nominal capacity. The power bank and/or remote server compares the actual capacity to the nominal capacity to determine a health value of the power bank battery. When the power bank battery health value is at or below a threshold value, the power bank and/or remote server transmits an indication of the health value.

Abstract: Cathode materials for lithium ion batteries, lithium ion batteries incorporating the cathode materials, and methods of operating the lithium ion batteries are provided. The materials, which are composed of lithium iron oxides, are able to undergo reversible anionic and cationic redox reactions with no O2(g) generation.

Abstract: A module assembly is provided including a fuel cell stack assembly, a heat exchanger, and a housing enclosing the fuel cell stack assembly and the heat exchanger. The heat exchanger is configured to receive process gas from an external source and output said process gas to the fuel cell stack assembly, and configured to receive process gas from the fuel cell stack assembly and output said process gas. A fuel cell power plant is provided including a module assembly with a first end, a racking structure configured to hold the module assembly, balance of plant equipment, and ducting configured to provide fluid communication between the balance of plant equipment and the first end of the module assembly. The module assembly and the racking structure are configured such that the module assembly may be removed from the racking structure in a direction away from the first end of the module assembly.

Abstract: A battery preconditioning system may include a battery for an unmanned aerial vehicle (UAV), a thermal analysis system configured to predict, for a predetermined flight path of an upcoming flight, a temperature change of the battery as a result of the UAV traversing the predetermined flight path, and determine a target initial temperature for the battery. The target initial temperature is based at least in part on the predicted temperature change and is configured to limit a duration that the battery operates outside an operating temperature window during traversal of the predetermined flight path. The battery preconditioning system may also include a thermal management system configured to receive the target initial temperature from the thermal analysis system and thermally condition the battery by performing at least one of heating or cooling the battery to the determined target initial temperature.

Abstract: A battery module includes a plurality of battery cells stacked on each other, a heatsink configured to cool the plurality of battery cells, a module case having one side to which the heatsink is mounted, the module case being configured to accommodate the plurality of battery cells, and a thermal resin disposed inside the module case. The thermal resin is filled in the module case to cover at least a portion of electrode leads of the plurality of battery cells, and the thermal resin extends alongside the heatsink.

Abstract: An electrode assembly comprising a first unit electrode in which a plurality of first electrodes entirely made of a first electrode mixture having a solid shape are connected to each other; a second unit electrode in which a plurality of second electrodes entirely made of a second electrode mixture having a solid shape are connected to each other; a separator interposed between the first unit electrode and the second unit electrode; and an electrode tab comprising a plurality of first electrode tab provided on the first unit electrode and a plurality of second electrode tab provided on the second unit electrode.

Abstract: A membrane-electrode assembly, a method for manufacturing the membrane-electrode assembly, and a fuel cell including the membrane-electrode assembly are disclosed. The membrane-electrode assembly includes: an ion exchange membrane; catalyst layers disposed on both sides of the ion exchange membrane respectively; and a functional modification layer disposed between the ion exchange membrane and each of the catalyst layers. The membrane-electrode assembly has a low hydrogen permeability without a reduction of hydrogen ion conductivity, has excellent interfacial bonding properties between the catalyst layers and the ion exchange membrane, and has excellent performance and durability under high temperature/low humidity conditions.

Abstract: Provided are a battery pack and an electrical apparatus by which information can be transmitted at an appropriate timing from the battery pack to a device body. A battery pack (10) includes: a serial communication reception circuit (31) and a temperature information transmission circuit (32); an LS terminal that is selectively connected to the serial communication reception circuit (31) or the temperature information transmission circuit (32); a first switching circuit (21) that is provided between the LS terminal and the serial communication reception circuit (31) and the temperature information transmission circuit (32); and a V terminal that is connected to the first switching circuit (21). The first switching circuit (21) switches between connecting the serial communication reception circuit (31) or the temperature information transmission circuit (32) to the LS terminal according to a signal inputted from the V terminal.

Abstract: A controller for a fuel cell based power generator includes a memory and a processor configured to execute executable instructions stored in the memory to receive a pressure in an anode loop of the fuel cell based power generator, wherein the anode loop includes a hydrogen generator and an anode loop blower, and control the anode loop blower such that the hydrogen generator provides hydrogen to an anode of a fuel cell via the blower and the anode loop at a controlled pressure. In further embodiments, the temperatures of the fuel cell and hydrogen generator are independently controlled.

Abstract: Part of an electrode, specifically a current collector and an active material layer, for a secondary battery is subjected to cutting processing to have a complex shape. For example, a stack of the first current collector and the first active material layer has a first slit and a second slit. Each of the first slit and the second slit passing across the first current collector and the first active material layer and extending from an edge of the first current collector. Another stack of the second current collector and the second active material layer has a third slit and a fourth slit. Each of the third slit and the fourth slit passing across the second current collector and the second active material layer and extending from an edge of the second current collector.

Abstract: The present invention utilizes a three-stage thermal management design of battery module, battery device, and battery system that not only prevents the battery cells from being impacted by the environment temperature, but also efficiently controls the temperature of the battery cells, such that the battery cells can reach the requirements of temperature equalization and appropriate opening temperature. The thermal management design of the battery module is mainly a design of a battery cell charging and discharging circuit having heat exchange.

Abstract: A battery provided with at least one battery cell electrically coupled to a battery management circuitry, a power regulation and supply circuitry, a USB-C port controller, an E-marker integrated circuit and a USB interface. The E-marker integrated circuit provided in-line along a CC conductor between the USB-C port controller and the USB interface. The USB-C port controller is configured to enable the E-marker integrated circuit upon reception of a vendor defined message via the USB interface which enables a high power delivery mode between the battery and a device without the presence of a separate interconnecting E-marker cable there between.

Abstract: An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:

Abstract: A battery system, including a battery housing, which includes a base body, a first cover element, and a second cover element. The first cover element closes a first open end face of the base body, and the second cover element closes a second open end face of the base body. The battery system also includes a battery cell holder, which includes a plurality of battery cells, the battery cell holder being situated inside the battery housing, and a battery management system which is configured to monitor the plurality of battery cells and to detect temperatures of the individual battery cells. At least one blower is situated inside the battery housing, and the at least one blower being activated by the battery management system as a function of the temperature of the individual battery cells exceeding a threshold value.

Abstract: A membrane-electrode assembly including a catalyst layer that includes a catalyst-supporting carrier in which a catalyst is supported on a carrier made of an inorganic oxide, and a highly hydrophobic substance having a higher degree of hydrophobicity than the inorganic oxide, the catalyst layer being formed on at least one surface of a polymer electrolyte membrane. It is preferable that, in the membrane-electrode assembly, the degree of hydrophobicity of the highly hydrophobic substance is from 0.5 vol % to 45 vol % at 25° C., the degree of hydrophobicity being defined as a concentration of methanol (vol %) when a light transmittance of a dispersion obtained by dispersing the highly hydrophobic substance in a mixed solution of water and methanol reaches 80%.

Abstract: A battery system includes a lithium ion battery that couples to an electrical system. The battery system also includes a battery management system that electrically couples to the lithium ion battery and controls one or more recharge parameters of the lithium ion battery. Additionally, the battery management system monitors one or more parameters of the lithium ion battery. Further, the battery management system controls the recharge parameters of the lithium ion battery based on at least one lithium plating model and the monitored parameters. Furthermore, the at least one lithium plating model indicates a relationship between the one or more parameters of the lithium ion battery and a likelihood of lithium plating occurring in the lithium ion battery.

Abstract: A battery thermal runaway detection sensor system for use within a battery enclosure housing one or more batteries. The system has at least one gas sensor for detecting a venting condition of a battery cell of hydrogen, carbon monoxide or carbon dioxide, and providing a sensed output in real time. A microcontroller determines power management and signal conditioned output on the concentration of specific battery venting gases based on the sensed output from said at least one gas sensor.