72results about "Portable system fuel cells" patented technology

A processing unit includes a substrate, an electrical load, and a microfluidic volume. The electrical load is supported by the first surface of the substrate, and the microfluidic volume is positioned in the second surface of the substrate. The processing unit includes a first electrode positioned in the microfluidic volume and a second electrode positioned in the microfluidic volume. A first TSV connects the first electrode to the electrical load, and a second TSV connects the second electrode to the electrical load. An electrochemical fluid is positioned in the microfluidic volume to provide electrical power to the electrical load and receive heat from the electrical load.

Techniques for generating electric power for well site operations include processing a hydrocarbon fluid produced from a subterranean formation, through a wellbore, and to a terranean surface into at least one acid gas; processing the at least one acid gas into hydrogen; generating, with the hydrogen, electrical power from a hydrogen engine; and providing the generated electrical power for use or storage to power at least one electrically-operated machine to perform at least one well site operation.

The present invention relates to a medical device (1) comprising: a holder (2) that may be applied to the skin of a patient, a biofuel cell (3), a pump (4) configured for supplying blood to the biofuel cell (3), a sensor (5) configured to emit a signal representative of a blood parameter, a control unit (50) connected to the pump and the sensor, and a rechargeable battery (6) electrically connected to the biofuel cell (3). The control unit is configured to perform a recharging procedure comprising the following steps: processing the signal emitted by the sensor, estimating a value of the blood parameter of the patient, comparing said estimated value with a threshold value, and, based on said comparison, commanding the activation of the pump for delivering a predetermined amount of blood to the biofuel cell for generation electricity and recharging the battery.

A hydrogen generation unit generates hydrogen by reacting a hydrogen carrier with a water-containing liquid. A main body includes the hydrogen generation unit. A collection container is attachable to and detachable from the main body, and collects a composition containing a byproduct generated together with hydrogen in the hydrogen generation unit. A detection unit detects a collected amount of the composition collected from the hydrogen generation unit by the collection container. A storage unit is provided on the collection container and stores information regarding the collected amount.

Method for manufacturing bipolar plates for fuel cells, wherein at least one of the two electrodes of fuel cells is arranged as a bipolar plate on at least one side and is electrically connectable to a membrane-electrode arrangement, wherein the membrane forming an electrolyte is a polymer membrane, in which a metal strip (1) or two supplied metal strips are guided through a second device (3) and / or a third device (4), wherein the second device (3) for carrying out fine cleaning and / or nitriding of the metal strip and the third device (4) for carrying out a surface coating on one side of a surface are designed with an adhesion-enhancing metal layer, and A carbon layer is applied to the surface thus treated in a fourth device (5), and Subsequently, a forming of the two metal strips or a division of the one metal strip into two metal strips (1.1, 1.2) and a forming of these metal strips obtained by division (1.1, 1.2) is carried out, in which channels are formed for the supply of fuel and oxidizing agent as well as for the removal of reaction products of the electrochemical reactions, wherein The two metal strips subsequently formed, or the two metal strips obtained by division subsequently formed (1.1, 1.2), are moved and positioned towards each other in such a way that surface areas in which a material-bonded joining is to take place come into contact with each other, and the joining is achieved with at least one laser beam (13) which is directed into a gap between the formed metal strips or metal strips obtained by division (1.1, 1.2) moved towards each other at an angle, and a weld joint is formed only there, and thereby the individual steps that are carried out in the devices (3, 4, 5), the forming and joining are carried out successively in a continuous process.

A lithium secondary battery according to the present invention comprises: a battery case; and an electrode assembly and an electrolyte accommodated in the battery case, the electrode assembly including a positive electrode including a positive electrode active material and a conductive agent including a dot-type conductive agent and a linear conductive agent in a weight ratio of 4: 1 to 14: 1, and the electrolyte includes a sultone-based compound and a phosphate-based compound in a weight ratio of 1: 0.1 to less than 1: 2 as additives.

Provided is an electrode binder for a biofuel cell, which can provide an electrode slurry that has a low environmental load, a conductive material of which being good in dispersibility, and is suitable for screen printing and allows production of a biofuel cell that exhibits good output characteristics. The electrode binder for a biofuel cell according to the present invention includes a polymer (A) having a first structural unit derived from a nonionic ethylenically unsaturated monomer (a1), a second structural unit derived from an anionic ethylenically unsaturated monomer (a2), and a third structural unit derived from a crosslinking agent (a3), and the crosslinking agent (a3) has two or more ethylenically unsaturated bonds in one molecule.

The invention relates to a battery bank system for a fish cage (1) with a floating part (2), wherein the battery bank system comprises a waterproof battery container (5) comprising a heat exchange part (6) and a cable outlet (7). Furthermore, the battery bank system comprises batteries (8) positioned inside the battery container (5) wherein the weight of the batteries (8) and the battery container (5) relative to the volume of the battery container (5) provides buoyancy. The battery container (5) is directly or indirectly attached to the floating part (2) such that the heat exchange part (6) of the battery container is at least partially submerged in water and wherein the buoyancy ensures that the weight of the batteries provides a reduced load on the floating part (2).

The present invention relates to a medical device (1) comprising: a holder (2) that may be applied to the skin of a patient, a biofuel cell (3), a pump (4) configured for supplying blood to the biofuel cell (3), a sensor (5) configured to emit a signal representative of a blood parameter, a control unit (50) connected to the pump and the sensor, and a rechargeable battery (6) electrically connected to the biofuel cell (3). The control unit is configured to perform a recharging procedure comprising the following steps: processing the signal emitted by the sensor, estimating a value of the blood parameter of the patient, comparing said estimated value with a threshold value, and, based on said comparison, commanding the activation of the pump for delivering a predetermined amount of blood to the biofuel cell for generation electricity and recharging the battery.

The present invention belongs to the technical field of fuel cells, and discloses a bipolar plate with a harp-shaped flow field structure in a liquid fuel cell and a design method. The flow channel structure of the fuel cell adopts the bionic principle, and uses the body shape of a harp-shaped creature to make the flow channels of the anode and cathode plates, so that the fuel and oxidant of the fuel cell are in contact with the membrane electrode over a large area, stabilize the flow of the fuel and oxidant in the flow channel, reduce the flow resistance of the fuel and oxidant in the flow channel, increase the pressure drop, and make the fuel and oxidant evenly distributed on the surface of the membrane electrode. The present invention can solve the problem of improving the performance of fuel cells from a technical principle, provide theoretical and technical support for the commercial application of fuel cells, and accelerate the commercial application of fuel cells. The present invention reduces the flow resistance of the fuel and oxidant in the flow channel, reasonably increases the pressure drop, and promotes the uniform distribution of the fuel and oxidant on the surface of the electrode, thereby improving the performance of the battery.

The lithium secondary battery according to the present invention includes a battery case, an electrode assembly housed in the battery case, and an electrolyte. The electrode assembly includes a positive electrode, the positive electrode including a positive electrode active material and a conductive material. The conductive material includes a dot-like conductive material and a linear conductive material in a weight ratio of 4:1 to 14:1. The electrolyte includes, as additives, a sultone-based compound and a phosphate-based compound in a weight ratio of 1:0.1 or more and less than 1:2.

A processing unit includes a substrate, an electrical load, and a microfluidic volume. The electrical load is supported by the first surface of the substrate, and the microfluidic volume is positioned in the second surface of the substrate. The processing unit includes a first electrode positioned in the microfluidic volume and a second electrode positioned in the microfluidic volume. A first TSV connects the first electrode to the electrical load, and a second TSV connects the second electrode to the electrical load. An electrochemical fluid is positioned in the microfluidic volume to provide electrical power to the electrical load and receive heat from the electrical load.

The present invention provides an improved breath analyzers and breath test methods to determine the presence of diseases such as gastrointestinal, liver, kidney, and metabolic diseases.

The present application relates to a battery. According to the invention, the battery comprises a housing made of plastic, which has a cavity delimited by an inner wall of the housing, in which a stack of electrodes is arranged and an electrolyte solution is filled. At least one feed-through element protrudes from a surface of the housing through the housing at least partially into the cavity. At least one contact element made of a conductive material is arranged inside the cavity and is conductively connected to the at least one feed-through element. The at least one contact element is arranged in the cavity in such a way that tab elements of like-poled electrodes of the electrode stack are held in a clamping manner between at least a first surface of the at least one contact element and the inner wall.

A medical device includes a holder that may be applied to the skin of a patient, a biofuel cell, a pump configured for supplying blood to the biofuel cell, a sensor configured to emit a signal representative of a blood parameter, a control unit connected to the pump and the sensor, and a rechargeable battery electrically connected to the biofuel cell. The control unit is configured to perform a recharging procedure including the following steps: processing the signal emitted by the sensor, estimating a value of the blood parameter of the patient, comparing said estimated value with a threshold value, and, based on the comparison, commanding the activation of the pump for delivering a predetermined amount of blood to the biofuel cell for generation electricity and recharging the battery.

An electronic device comprising a biofuel cell and a printed circuit board (PCB) with an air-breathing aperture is disclosed, the biofuel cell comprising an external layer air-breathing aperture (through GDL), the electronic device being characterized in that the air-breathing aperture formed into the PCB is opposite the external layer air-breathing aperture, the biofuel cell being attached to the PCB.

The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.

An aftercooler 800 is arranged between a hydrogen tank 21 and an air compressor 30 as a high-voltage electrical component. Even if the hydrogen tank 21 and the air compressor 30 are brought closer together by an external force, the aftercooler 800 protects the air compressor 30 from a collision with the hydrogen tank 21.

A system for sterilizing a physical space, such as a hotel room. The system generates and distributes heated air to the physical space to elevate the temperature of the space to a level sufficient to achieve a desired sterilization effect of eradicating insects and microoganisms. The system is portable and self-contained. The system includes a hydrogen fuel cell that generates electrical power. An electrical system conditions and stores the electrical power and supplies stored electrical power to the system components and peripherals. System components include a source of hydrogen, a heater, an air distributor, and a filter. Peripherals include a UV light source and an aerosol dispenser. The combination of heat, UV light and aerosol disinfectant effectively eradicates insects, microorganisms, allergens, and odors in the physical space.

The processing unit includes a substrate, an electrical load, and a microfluidic volume. An electrical load is supported by the first surface of the substrate, and a microfluidic volume is located in the second surface of the substrate. The processing unit includes a first electrode located in the microfluidic volume and a second electrode located in the microfluidic volume. A first TSV connects the first electrode to an electrical load and a second TSV connects the second electrode to the electrical load. An electrochemical fluid is located in the microfluidic volume to provide electrical power to and receive heat from the electrical load.

A bio-electrochemical fuel cell is provided. The fuel cell includes an anode placed between a second endplate and a supporting plate, a cathode placed between a first endplate and the supporting plate, a separator plate provided between the first endplate and the cathode, a separator plate provided between the second endplate and the anode, and at least one separator plate provided on each side of the supporting plate. The anode has a first layer and a biofilm including photosynthetic microorganisms is present on a surface of the first layer. A central aperture of the first endplate receives a flow of water containing the photosynthetic microorganisms and a central aperture of the second endplate discharges the flow of water. Application of light to the fuel cell assembly causes the photosynthetic microorganisms to release oxygen at the anode and induces a photo-current in the anode.

Embodiments of the disclosure relate to a power tool. The power tool comprises at least one hybrid composite component. The hybrid composite component comprises a housing component and a composite component. The composite component consists of a first thermoplastic polymer matrix filled with long fibers, most of which have a length of at least 0.5 inches.

Provided is an electrode binder for a biofuel cell, which can provide an electrode slurry that has a low environmental load, a conductive material of which being good in dispersibility, and is suitable for screen printing and allows production of a biofuel cell that exhibits good output characteristics. The electrode binder for a biofuel cell according to the present invention includes a polymer (A) having a first structural unit derived from a nonionic ethylenically unsaturated monomer (a1), a second structural unit derived from an anionic ethylenically unsaturated monomer (a2), and a third structural unit derived from a crosslinking agent (a3), and the crosslinking agent (a3) has two or more ethylenically unsaturated bonds in one molecule.

1. A device (2) for generating and / or storing electrical energy, comprising an anode (4), a cathode (6), a separator (8) capable of triggering and / or enabling the generation and / or storage of electrical energy and disposed between the anode (4) and the cathode (6), the separator (8) enabling the transport of at least one compound, and at least one breakable, pierceable, and / or deformable reservoir (10) made of a compound capable of triggering and / or enabling the generation and / or storage of electrical energy, the reservoir (10) having means for bringing the compound and the separator (8) into contact with each other, characterized in that the means for bringing the compound and the separator (8) into contact with each other are, in particular, means for transporting a liquid.

The cathode active material according to embodiments of the present invention includes a lithium composite oxide particle having a form of secondary particle in which a plurality of primary particle are aggregated, wherein the primary particles respectively include a lithium conduction pathway through which lithium ions are diffused. Wherein the primary particles include a first particle, and the first particle has an angle of 45° to 90° formed by a direction from a center of the first particle to a center of the lithium composite oxide particle and a direction of the lithium conduction pathway included in the first particle, wherein a ratio of the number of the first particles among the primary particles located on a surface of the lithium composite oxide particle is 20% or more.

A battery cell includes an electrode assembly, a tab, a first connecting piece, and a second connecting piece. The electrode assembly includes a first end face and a second end face that are disposed opposite to each other, and a first surface and a second surface that are connected to the first end face and the second end face respectively. The tab protrudes from first end face. The first connecting piece surrounds the first end face and is connected to the first surface and the second surface separately. A first via hole is made on the first connecting piece. The tab is threaded out of the first via hole. The second connecting piece surrounds the second end face and is connected to the first surface and the second surface separately. A plurality of second via holes are made on the second connecting piece.

The present invention relates to a method for supplying electricity to an electrical load, the method comprising the steps of supplying an alkaline solution, reacting the alkaline solution with silicon to generate hydrogen, processing the hydrogen in a fuel cell to produce electricity, and supplying the electricity from the output of the fuel cell to the electrical load via a suitable electrical interface module.

Various embodiments relate to systems including a mobile surveillance unit. A system may include a mobile surveillance unit that includes at least one controller, a fuel cell generator coupled to the controller, and a temperature regulator proximate the fuel cell generator. The temperature regulator may include a temperature sensor for sensing a temperature in or near the fuel cell generator and a fan system including a fan. The at least one controller may be configured to receive a signal from the temperature sensor indicative of the sensed temperature. The controller may also be configured to generate a control signal to turn the fan on based on the sensed temperature being greater than or equal to a threshold temperature. Associated methods and mobile surveillance units are also disclosed.

Various embodiments relate to systems including a mobile surveillance unit. A system may include a mobile surveillance unit that includes at least one controller, a fuel cell generator coupled to the controller, and a temperature regulator proximate the fuel cell generator. The temperature regulator may include a temperature sensor for sensing a temperature in or near the fuel cell generator and a fan system including a fan. The at least one controller may be configured to receive a signal from the temperature sensor indicative of the sensed temperature. The controller may also be configured to generate a control signal to turn the fan on based on the sensed temperature being greater than or equal to a threshold temperature. Associated methods and mobile surveillance units are also disclosed.

A bio-electrochemical fuel cell is provided. The fuel cell includes an anode placed between a second endplate and a supporting plate, a cathode placed between a first endplate and the supporting plate, a separator plate provided between the first endplate and the cathode, a separator plate provided between the second endplate and the anode, and at least one separator plate provided on each side of the supporting plate. The anode has a first layer and a biofilm including photosynthetic microorganisms is present on a surface of the first layer. A central aperture of the first endplate receives a flow of water containing the photosynthetic microorganisms and a central aperture of the second endplate discharges the flow of water. Application of light to the fuel cell assembly causes the photosynthetic microorganisms to release oxygen at the anode and induces a photo-current in the anode.