30results about "Fuel cell details" patented technology

This invention provides a novel method for manufacturing fluorinated carboxylate compounds, for producing formula (P1): (B 1f ) mp (A) 1 ) np [B] 1f RfCOO; Rf is a hydrocarbon group having one or more fluorine atoms; A 1 It is a group other than H; mp is (A 1 The valence of () × np and is 1 or 2; np is mp / (A 1 The valence of A is 1; 1 The method of manufacturing a compound having a valence of 1 or 2 includes: making formula (S1): (B 1f (R) 1 ) [R 1 The compound shown is an organic group and is related to formula (S2): (A 1 ) ms2 (B) 2 ) ns2 [B] 2 It is OH, CO3 or HCO3; ms2 is (B 2 (valence) × ns2 / (A) 1 The valence of ns is 1 or 2; ns2 is (A 1 (value) × ms² / (B) 2 The reaction of the compound or its hydrate shown in the figure (with a valence of 1 or 2) is a step A.

This plate-like frame body for use in a cell frame of a battery cell has a first main surface and a second main surface, which is the opposite surface to the first main surface, wherein: the first main surface includes a plurality of recessed portions that are open at the first main surface, and liquid grooves constituting a portion of flow passages of an electrolytic solution within the battery cell; and each of the plurality of recessed portions is distributed and arranged in a position different from that of the liquid grooves.

This utility model discloses a portable fuel cell gas supply interface conversion device, belonging to the field of fuel cell technology. It includes a cavity, with a connecting cavity on the right side of the cavity. An input head is fixedly connected to the right side of the cavity, and the connecting cavity is connected to the internal part of the input head. A hollow cavity is fixedly connected to the internal part of the connecting cavity, and the hollow cavity is connected to the connecting cavity. This portable fuel cell gas supply interface conversion device achieves efficient and convenient interface conversion through ingenious structural design. The user only needs to hold the rotating ring and apply force using the anti-slip layer on its outer wall to rotate it. The inner sliding strip on the inner sidewall of the rotating ring slides in the sliding groove, and the guide rod slides in the guide groove, thus driving the outer ring to slide along the outer wall of the hollow cavity, allowing the conversion head to quickly extend and connect to the gas supply interface of different devices. This operation process requires no tools.

This invention relates to a fuel cell housing having a housing volume for accommodating a fuel cell stack. The fuel cell housing includes: a support member having an outer housing surface, an inner housing surface, a support surface on the outer housing surface, and a through opening from the outer housing surface to the inner housing surface; and a retaining member having a mating support surface for supporting the retaining member on the support surface of the support member and a retaining bolt for retaining the fuel cell stack in a predetermined position within the housing volume, wherein the retaining bolt extends from the outer housing surface through the through opening to the inner housing surface outside the housing volume, and extends beyond the inner housing surface into the housing volume, and an adhesive is provided between the support surface and the mating support surface for adhesive connection between the support member and the retaining member. The invention also relates to a fuel cell having a fuel cell housing according to the invention and a method for manufacturing a fuel cell housing according to the invention.

To provide a fuel cell stack that allows a user to select whether to enable a termination resistor.SOLUTION: A fuel cell stack 1 includes a cell stack 3 in which a number of fuel cells are stacked, and is equipped with a cell monitor 4 that monitors the voltage of the cell stack 3, a communication wire harness 5 connected to the cell monitor 4, and an IF connector 6 that can be connected to the communication wire harness 5 from outside the fuel cell stack 1. The communication wire harness 5 includes a termination resistor 7. The IF connector 6 includes a connection pin that can be electrically connected to the termination resistor 7.SELECTED DRAWING: Figure 1

This invention belongs to the field of reversible proton ceramic battery technology, and relates to an oxygen electrode material for a three-phase heterointerface reversible proton ceramic battery. The three-phase heterointerface reversible proton ceramic battery oxygen electrode material is a three-phase composite containing A-site defects in double perovskite Pr. 1‑α BaCo2O 5+δ1 (PBC) phase, single perovskite BaPrO 3‑δ2 The invention comprises a (BPO) phase and in-situ desoluble praseodymium oxide nanoparticles; with the total mass percentage of PBC phase, BPO phase, and praseodymium oxide nanoparticles being 100%, the PBC phase accounts for 50-65 wt%, the BPO phase accounts for 33-45 wt%, and the praseodymium oxide nanoparticles account for 1-5 wt%. The three-phase heterogeneous interface oxygen electrode material constructed in situ in this invention exhibits tight coupling and synergistic effects among the three phases, resulting in both a low coefficient of thermal expansion and high catalytic activity. This oxygen electrode material demonstrates excellent electrochemical performance in reversible proton ceramic batteries, whether in fuel cell mode or electrolyzer mode.

This invention discloses a special battery cell assembly with anti-warping symmetrical battery cell preform and current collector positioning. The anti-warping symmetrical battery cell preform includes a bipolar plate, a first hot melt adhesive film and a second hot melt adhesive film respectively attached to both sides of the bipolar plate, and a first electrode frame and a second electrode frame respectively symmetrically bonded to both sides of the bipolar plate through the two hot melt adhesive films, forming a symmetrical stacked structure of electrode frame-adhesive film-bipolar plate-adhesive film-electrode frame. The special battery cell assembly with current collector positioning includes the above-mentioned preform, a current collector, and an insulating plate. The current collector has a raised strip, the electrode frame has a square hole, and the insulating plate has a protrusion. The current collector is embedded inside the electrode frame, and its raised strip is inserted into the square hole for positioning. The insulating plate covers the current collector, and its protrusion is inserted into the square hole to press down the raised strip. This invention fundamentally solves the problem of unidirectional warping caused by the difference in thermal expansion coefficients in special battery cells, avoids shear force damage during the pressing process, and eliminates leakage failure.

The utility model relates to an unmanned plane technical field discloses a kind of unmanned plane double-in single-row gas inlet-out structure, including electric pile shell, the outside of electric pile shell is equipped with exhaust port, two connecting pipes are symmetrically fixedly connected on electric pile shell, the top of two connecting pipes is equipped with air inlet, the outside of electric pile shell is equipped with fixed mechanism, the inside of connecting pipe is equipped with filter frame, connecting pipe is equipped with the mounting groove matched with filter frame, the outside of connecting pipe is equipped with mounting plate, sealing plate is fixedly connected between mounting plate and filter frame, sealing plate is inserted into mounting groove;The utility model, by the cooperation between mounting plate, sealing plate, mounting groove, side plate, positioning plate, guide rod, guide plate, plug rod, insert ring, sliding plate, U type round pole, spring and movable rod, to facilitate filter frame is fixed in the inside of connecting pipe to filter gas.

Provided is an energy generation cell with a casing that has an upper opening and a bottom inflow hole for introducing water. A membrane inserted through the top generates electrical energy by harnessing the potential difference from water's movement and evaporation. A moisture absorption member in the membrane extends through the inflow hole to draw water from outside. Additional features may include a mesh to protect the membrane, a coating layer to prevent water impregnation, and conductive threads for electrodes. A separate energy generation device houses multiple such cells in a body with a separator, sealing O-rings, water inlet / outlet nozzles, and a detachable cover. By leveraging capillary action and evaporation, the system aims to improve efficiency, stability, and reliability of electrical power generation.

To provide a microbial fuel cell that has reduced the time until when expected power is obtained even if it is installed in an environment with a large amount of dissolved oxygen.SOLUTION: A microbial fuel cell comprises a negative electrode, a positive electrode, an ion conductor, and an anaerobic condition generating and maintaining layer (anaerobic layer). The negative electrode and the positive electrode are connected with each other with the ion conductor therebetween. The anaerobic layer covers a surface of the negative electrode to which organic matter is supplied. The anaerobic layer transmits the organic matter therethrough, and executing the following experiment results in DO2 / DO1 of 80% or less. Experiment: a connection pipe between a first cell and a second cell is partitioned by the anaerobic layer. The first cell and the second cell include first upper opening and a second upper opening, respectively. The first upper opening is opened and the first cell is constantly exposed to atmospheric air. The second cell is filled with pure water, the second upper opening is opened and the pure water is exposed to atmospheric air, and the amount of dissolved oxygen in the pure water in which oxygen is dissolved in a saturated amount (DO1) is measured. The pure water is bubbled with nitrogen gas, the second upper opening is closed, and after the lapse of 25 hours, the amount of dissolved oxygen in the pure water (DO2) is measured.SELECTED DRAWING: Figure 1

[Problem] The purpose of the present invention, taking into consideration the disadvantages of conventional cell stack structures, is to provide a flow battery that resolves these disadvantages, typically an RF battery. [Solution] This flow battery is obtained by constructing a cell stack from a plurality of cell-cartridges that can be inserted and removed. The cell-cartridges each comprise a plurality of cells. In each of the cells, electrodes are connected at low resistance due to small binding force, and leakage of an electrolyte is prevented. Moreover, this flow battery comprises: a plurality of the cell-cartridges; and a backplane that attaches the plurality of cell-cartridges with gaps therebetween so that the cell-cartridges can be physically inserted and removed in a side-by-side state. By providing a rack or unit in which a plurality of the backplanes are mounted and providing an electrolyte tank that can be attached and detached, the invention makes it possible to freely design and change the output and the capacity of the flow battery in accordance with demand.

The hydride ion conductor has the general formula represented by formula (1): Ba2-x-mAxMg1-y-nByH6-x-y-2m-2n where A and B are each selected from at least one or more species in the group consisting of Li, Na, K, Rb, and Cs, and 0 ≤ x ≤ 1, 0 ≤ y ≤ 1, 0 ≤ m ≤ 0.2, and 0 ≤ n ≤ 0.2, with the proviso that x = y = m = n = 0 is excluded.

The application discloses an integrated three-dimensional labyrinth pore gas diffusion layer and a preparation method thereof, and belongs to the field of proton exchange membrane fuel cells. The method is characterized by the following steps: a computer-aided design is used to obtain a removable template with a preset labyrinth microchannel network through three-dimensional printing; carbon-based precursor slurries with different contents of hydrophobic agents are sequentially deposited outside the template through vacuum filtration; a gradient hydrophobic structure continuously changes along the thickness direction by using the difference in penetration resistance and the deposition sequence; after solidification and carbonization in an inert atmosphere, the template is automatically removed, and a three-dimensional labyrinth pore network complementary to the template structure and an integrated diffusion layer without an interface layer are obtained. The structure can realize a designable gas channel, multi-scale water-gas co-transport, improve water management capability, reduce transport resistance, and enhance the power density and stability of the fuel cell. The method has a simple process and strong controllability of the structure, and is suitable for customized preparation of different types of fuel cells.

The utility model discloses a kind of anti-water system and vehicle, the anti-water system includes: air filter shell;Control valve, the control valve is arranged at the air outlet in the air filter shell;Water immersion identification device, the water immersion identification device is arranged at the lowest position in the air filter shell;Controller, respectively with the control valve and the water immersion identification device electric connection, the controller is configured as the signal of the water immersion identification device detected the air filter shell immersion controls the control valve closes the air outlet.It can guarantee that water immersion identification device detects the water immersion risk inside air filter shell in first time, to make control valve close in time, it can guarantee that water inside air filter shell can be effectively isolated in time, avoid the water in air filter shell into fuel cell system and damage.

To operate the battery continuously efficiently and safely without causing electrical short circuits due to conductive materials. [Solution] An oxidizing agent supply means 21 is connected to one end of the battery cell 13, and an oxidizing agent discharge means 22 is connected to the other end of the battery cell 13. A cell-side insulating member 41 is placed in the part of the reaction case 14 through which the battery cell 13 passes. Oxidizing agent-side insulating members 42 are placed at the connection points between the oxidizing agent supply means 22 and the oxidizing agent discharge means and the battery cell 13, respectively. This ensures that the oxidizing agent is continuously supplied and discharged, while preventing conductivity by conductive members in the housing case 12, oxidizing agent supply means 21, and oxidizing agent discharge means 22, and preventing electrical short circuits caused by carbonized material and tar.

To detect a moisture content in a power generation cell with accuracy and reduce a water storage amount in a fuel cell stack.SOLUTION: A fuel cell system (10) determines whether or not an anode gas and a cathode gas are in a dew condensation state on the basis of a humidity of the anode gas detected by a first humidity sensor provided in a power generation cell (22) and a humidity of the anode gas detected by a second humidity sensor provided in the power generation cell (22), and adjusts a water content of the gas that is determined to be in the dew condensation state.SELECTED DRAWING: Figure 1

The present disclosure provides an electric power generation element with improved power generation efficiency. An electric power generation element according to the present disclosure includes a first electrode, a second electrode, and a solid electrolyte layer. The first electrode splits water. The solid electrolyte layer is disposed between the first electrode and the second electrode. A resistance value R of the solid electrolyte layer satisfies R<50Ω. The solid electrolyte layer conducts, for example, ions generated by the splitting of water at the first electrode toward the second electrode.

Disclosed are a power supply device for air mobility and a method thereof. The power supply device includes a plurality of power supply lines that distribute power of a fuel cell stack in parallel, one-to-one matches the plurality of power supply lines with a plurality of rotor structures. The power supply device supplies power to one rotor structure through one power supply line, thereby supplying power to the remaining rotor structures through the remaining power supply lines even when a short circuit occurs in a semiconductor switching element on any one of the plurality of power supply lines.

Bearing arrangement (1), comprising a bearing journal (5) for rotationally fixed arrangement on a first housing part (3). The invention further relates to a side channel compressor (27) and a fuel cell system (2) with a bearing arrangement (1) according to the invention.

A fuel-cell assembly for a motor vehicle includes a plurality of electrode plates which together form a fuel-cell stack, one or more bus bars which, when installed, are arranged below the fuel-cell stack, and an intake noise absorber. The intake noise absorber is arranged above the fuel-cell stack.

A series of pyridinium compounds, generally 2,6-dialkyl-4-arylpyridinum compounds, with low reduction potentials and highly persistent radical states for use as anolytes in redox flow batteries, thin-film metal-organic hybrid batteries, and all-organic batteries are disclosed. Related routes for the synthesis of the pyridinium compounds from pyrylium intermediates are also disclosed.

The invention relates to an electrochemical device (1) comprising a connection device (2), electrochemical cells (3), more particularly electrolysis or fuel cells, that can be arranged in a row, and an operating means device (4), wherein electrochemical cells (3) are arranged in a row starting from a first connection zone (5) of the connection device (2) and form a first cell stack (8), and wherein electrochemical cells (3) are arranged in a row starting from at least one second connection zone (6) of the connection device (2) and form a second cell stack (10). The connection device (2) has a joint carrier element (11), on which carrier element (11) the first connection zone (5) and the at least one second connection zone (6) are jointly arranged.

The application provides application of a hydrogen electrode support in preparation of a single cell sheet of an SOEC; the hydrogen electrode support comprises, in terms of raw materials, nickel oxide, yttrium oxide stabilized zirconium oxide, pore-forming agent graphite, a binder, a plasticizer and a solvent; the application also provides a large-size single cell sheet preparation method with stable process, improves the structural integrity of the support, eliminates defects such as internal pores and microcracks, and enhances the mechanical strength and air tightness of the cell sheet; improves the coating process and slurry dispersibility of the electrode and the electrolyte layer, realizes precise thickness control of each functional layer on the large-size substrate, promotes uniform dispersion of the active material, guarantees the consistency of the electrical conductivity and catalytic activity of different regions of the cell sheet, and improves the overall electrolysis performance stability; adapts the organic carrier composition and sintering shrinkage characteristics of each functional layer, releases thermal stress, reduces interface defects such as interlayer peeling and warping deformation, strengthens the bonding strength between the functional layers, and prolongs the service life of the cell.

Fuel cell assembly structure which features: a fuel cell (18) configured to be arranged in a vehicle (10) in which a drive motor (12) driving rear wheels (22) is located in a rear section of the vehicle, wherein the fuel cell (18) is located on the upper side of a suspension member (24) located in a front section of the vehicle and is connected to the suspension member (24) via a plurality of anti-vibration members (28), and Auxiliary devices (42) comprising at least one air compressor (48) and one pump (50), characterized in that the auxiliary devices (42) are attached to the fuel cell (18) in a state in which the auxiliary devices (42) do not touch the suspension member (24), wherein the anti-vibration elements (28) are connected to a stacking frame (38) which supports the fuel cell (18) and are attached to the front and rear sections of the suspension member (24), wherein at least the anti-vibration elements (28) attached to the rear section of the suspension member (24) are arranged outside the stacking frame (38) in a vehicle width direction.

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.

The present invention relates to a laminate of multiple perforated layers each having a two-dimensional periodic structure of openings with said openings having different dimensions. Moreover, the present invention relates to an assembly comprising a bipolar plate and the laminate according to the present invention as well as an electrochemical apparatus comprising the laminate or the assembly according to the present invention.

The invention belongs to the technical field of electrochemical energy storage, and relates to a positive and negative differential integrated electrode for a static filmless zinc-bromine battery and a battery stack. The electrode comprises a flexible graphite composite bipolar plate, one side of the flexible graphite composite bipolar plate is compounded with a non-conductive negative electrode thin pre-oxidized felt subjected to oleophobic modification, the other side of the flexible graphite composite bipolar plate is compounded with a positive electrode thick activated graphite felt which has a gradient pore structure and is loaded with a bromine oxidation reduction catalyst, the contact side of the bipolar plate and the negative electrode felt is activated, and the three layers are compounded into an integrated structure. The stack is horizontally placed, positive and negative electrode felts of adjacent electrodes are directly attached and compressed, no diaphragm exists, and the compression ratio is controlled by a limiting column. Three-dimensional uniform deposition of zinc is guided through the negative electrode non-conductive felt, the bromine oil phase is locked through cooperation of positive electrode gradient pores and gravity settling, the contact resistance is reduced through the integrated structure, non-film static operation is achieved, the cycle life exceeds 500 times, the self-discharge rate is lower than 0.45%, the energy efficiency is higher than 80%, the structure is simplified, and the lithium ion battery is suitable for large-scale production.