70 results about "Liquid cell" patented technology

The utility model discloses an immersed energy storage battery cabinet which comprises a sealed cabinet body, a plurality of battery packs, a vapor chamber assembly and a heat exchange assembly, the sealed cabinet body is provided with a liquid storage cavity, and insulating liquid is stored in the liquid storage cavity; the battery pack is inversely placed in the liquid storage cavity, and one side, provided with the tabs, of the battery pack can be immersed in the insulating liquid; the vapor chamber assembly is attached to the battery pack; the heat exchange assembly comprises an air conditioner and a water tank, the water tank is provided with a plurality of heat exchange pipelines, at least two heat exchange pipelines located at the two ends communicate with each other and communicate with an inlet and an outlet of the air conditioner correspondingly, the air conditioner is used for introducing a heat exchange medium into the heat exchange pipelines, and the water tank makes contact with the vapor chamber assembly to conduct heat exchange with the battery pack. According to the utility model, the usage amount of insulating liquid is reduced by inverting the battery pack, meanwhile, the heat of the battery is conducted out by adopting the uniform temperature plate assembly in a conduction manner, and the battery system has the advantages of no pump and no liquid circulation, no mechanical wear, long service life of the system, low power consumption and the like in a real sense.

The invention discloses a liquid cell product, a preparation method thereof and a preserving fluid for preparing the liquid cell product, and belongs to the technical field of immunodetection. The dendritic polymer is creatively added into the preserving fluid for preparing the liquid cell product, the cell morphology in the liquid cell product can be improved, and a thermal acceleration test proves that the preserving fluid can maintain the cell morphology in the liquid cell product for a long time. When the preservation solution is used for preparing the liquid cell quality control product for immunodetection, quality control spots with complete circles can be formed after sample application on slides made of different materials, it can be obviously judged that cells in the liquid cell quality control product are dispersed very uniformly after immunohistochemical staining, and the preservation solution has very high application value.

The present invention relates to pumping a liquid (18) in a vacuum system under negative pressure, in particular under absolute pressures of less than 600 mbar. To this end, a manipulator head (10') is provided for use in a vacuum housing under negative pressure. The manipulator head (10') comprises a liquid cell (12) and a liquid pump (14). The liquid cell (12) comprises a liquid cell outlet (22) and an interior space (16) configured for negative pressure and adapted to contain a liquid (18). The liquid pump (14) comprises a liquid pumping region (26) fluidly connected to the liquid cell outlet (22) and configured for pumping the liquid (18) from the liquid pumping region (26) under negative pressure in the interior space (16) of the liquid cell (12). The distance (d') between the liquid cell outlet (22) of the liquid cell (12) and the liquid pumping area (26) of the liquid pump (14) is selected such that, at an absolute pressure of less than 600 mbar in the internal space (16) of the liquid cell (12), the liquid (18) extends at least into the liquid pumping area (26) of the liquid pump (14), so that the liquid pump (14) can pump the liquid (18). This allows a compact construction for a negative pressure system in which the liquid (18) can be circulated, and in particular emptied, at an absolute pressure of less than 600 mbar.

A method for displacing a fluid and simultaneously gas enriching a liquid cell culture medium with a gas. The method includes injecting a controlled volume of a gas or gas mixture into a one chamber by using a gas flow controller, the injection taking place through a gas inlet into a volume of liquid. This injection produces bubbling and agitation of the volume of liquid; a build-up of gas or gas mixture due to buoyancy in a hermetic space formed by the volume of liquid and the chamber, and a pressure increase in the chamber until a sufficient controlled pressure is reached of less than or equal to 10 bar. This increase displaces the volume of liquid by a fluid outlet connecting the volume of liquid to the exterior of the chamber. Also provided are a device implementing the method and a cell culture system in a multi-well culture plate.

Disclosed herein is a cell culture device (1) for culturing cells and / or organoids, the cell culture device comprising a cell containment unit (2) comprising at least one cell culture chamber (3) configured to contain a liquid cell culture medium (9) and a cell structure, wherein the cell culture chamber (3) comprises: a gas vent opening (4) configured to vent the cell culture chamber; a pressure chamber (5) comprising a pressure chamber inlet (6); a channel (7) connecting the at least one cell culture chamber (3) and the pressure chamber (5); the cell culture device further comprising a first pressure generator (8), in particular a pump, connected to the pressure chamber inlet and configured to temporarily pressurize the pressure chamber with a pressure pulse; wherein the at least one cell culture chamber (3), the pressure chamber (5) and the channel (7) are configured such that the pressure pulse from the first pressure generator (8) propagates from the pressure chamber (5) through the channel (7) to the at least one cell culture chamber (3) and in particular into the liquid cell culture medium (9).

Provided herein are, inter alia, methods for preparing a liquid cell culture media that has lesser lot-to-lot analytical variation, increased performance, and has lesser metal ion concentrations compared to a liquid media prepared by traditional methods. Such liquid media may be used for culturing cells, including but not limited to, recombinant cells.

The present invention provides a sheath flow impedance particle analyzer and a sample measurement method thereof, which includes a premixing pool, a sample needle, a sheath flow impedance counting pool, a sheath liquid pool, a rear sheath isolation pool, a rear sheath waste liquid pool and a waste liquid pool, wherein the rear sheath isolation pool, the rear sheath waste liquid pool and the waste liquid pool are in a closed environment and a normal pressure state during the measurement process. The present invention can simplify the structure of the sheath flow impedance particle analyzer, realize the parallel execution of the emptying operation of the rear sheath waste liquid pool and the measuring operation of the sheath flow impedance counting pool, thereby achieving the dual purpose of increasing the sample measurement speed and reducing the instrument cost and volume.

A bipolar plate for a battery includes a metal sheet that has a first side and a second, opposite side. The metal sheet is folded so as to form a series of loops on the second side. The loops are spaced apart to define flow field passages therebetween on the second side. Each of the loops is bonded along an edge at the first side so as to enclose an internal passage.

This invention belongs to the field of membrane-free battery technology, specifically relating to a membrane-free two-phase battery electrolyte and a membrane-free two-phase battery. The membrane-free two-phase battery of this invention uses a low-temperature stable organic solvent and water as solvents for the two-phase electrolytes, uses zinc ion salt as the negative electrode electrolyte, adds a certain proportion of antifreeze material, and uses an organic solvent containing alkane additives to complex halogen monomers as the positive electrode electrolyte. This invention avoids the high cost and short lifespan problems associated with using ion exchange membranes in liquid batteries, while ensuring that the battery electrolyte remains liquid at low temperatures. This significantly expands the temperature range of the liquid energy storage battery system, avoids the use of external heat sources in winter conditions, and prevents severe zinc corrosion at room temperature, further reducing the cost of the energy storage system.

A negative electrode mixture layer for a liquid battery having an electrolyte solution contains a negative electrode active material and polyvinylidene fluoride having a crystallinity of 43-93% (inclusive). The average thickness of the negative electrode composite material layer is 150 [mu] m or more.

1. The name of the design product: graphite bipolar plate assembly (reinforced type). 2. The use of the design product: for liquid battery, providing the reaction surface required for battery reaction. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly state reference drawing. 5. Other components that need to be explained: component 1 is a graphite bipolar plate, component 2 is a detachable segment glue channel, component 3 is a metal sheet, when assembled, the metal sheet is embedded in the glue channel of component 1, then component 2 is installed in the reserved position of component 1, and fixed with waterproof glue.

The invention provides an in-situ dynamic detection soft package battery formation gas production rate device, which comprises a formation clamp, a supporting force monitoring device, a container tank, a liquid, a battery suspension device, a charging tester and a data processing system, and is characterized in that the data processing system is respectively connected with the supporting force monitoring device and the charging tester; the container tank is arranged on the supporting force monitoring device, liquid is arranged in the container tank, and the formation clamp is immersed in the liquid. According to the invention, the volume change in the battery formation process can be dynamically researched, the battery formation charging process and the volume change data are synchronously combined, and the method has important significance for the research of the battery formation process.

Provided herein are, inter alia, methods for preparing a liquid cell culture media that has lesser lot-to-lot analytical variation, increased performance, and has lesser metal ion concentrations compared to a liquid media prepared by traditional methods. Such liquid media may be used for culturing cells, including but not limited to, recombinant cells.

This invention discloses an oxygen-free circulating liquid cell for high-resolution X-ray diffraction (XRD) using a horizontal goniometer and a method for in-situ detection and characterization of structural evolution during electrocatalysis. It aims to address the limitations of existing technologies, such as the inability to vertically install the in-situ cell, insufficient oxygen control, and limited characterization dimensions, thus hindering the accurate tracking of the microstructure evolution of functional thin films during oxygen-sensitive electrochemical processes. The liquid cell includes a vertically mounted adapter structure, a sealing screw with an integrated elastic conductive component and a liquid-electric isolation component, and an X-ray window using a 10-100 μm Kapton membrane, with a conductivity detection interface. The method includes cell assembly and leak detection, electrolyte inert gas deoxygenation circulation, XRD optical path calibration, and simultaneous application of an external electric field to acquire electrochemical, XRD, and conductivity data. This invention achieves angstrom-level structural monitoring, complete oxygen isolation, multi-dimensional characterization, and compatibility with thin film / bulk / powder samples deposited on substrates, filling a technological gap and contributing to device development in the energy and electronics fields.

The utility model provides a battery pack, which mainly solves the problem that potential safety hazards are generated after thermal runaway smoke in the existing battery pack is exhausted. The battery pack comprises a box body and a battery module, an inner cavity of the box body is divided into a battery bin and an isolation bin through a partition plate. First isolation liquid is arranged in the battery compartment, and the battery module is arranged in the first isolation liquid; second isolation liquid is arranged in the isolation bin; when the battery module in the battery compartment is subjected to thermal runaway, the first isolation liquid prevents thermal runaway flue gas in the battery compartment from influencing the single batteries which are not subjected to thermal runaway, and meanwhile, the first isolation liquid enters the thermal runaway single batteries to prevent the thermal runaway single batteries from continuously generating thermal runaway; the thermal runaway flue gas in the battery bin enters the isolation bin through the flue gas channel, and the second isolation liquid cools the thermal runaway flue gas, so that the discharged thermal runaway flue gas is not easy to burn, and the safety of the battery pack during use is improved.

A bipolar plate for a battery includes a metal sheet that has a first side and a second, opposite side. The metal sheet is folded so as to form a series of loops on the second side. The loops are spaced apart to define flow field passages therebetween on the second side. Each of the loops is bonded along an edge at the first side so as to enclose an internal passage.

The utility model relates to the field of solution particle detection and analysis, and particularly provides a micro-flow imager, aiming at solving the problem that the length of the existing micro-flow imager in a certain direction is too long. In order to achieve the purpose, the microflow imager comprises a frame body; the light source is arranged on the frame body; the reflecting mirror is arranged in front of the light source in the propagation direction of light in the light source, a reflecting surface is arranged on the reflecting mirror, the reflecting surface and the propagation direction of the light in the light source form a certain angle and are not perpendicular to each other, and the reflecting surface is used for turning the path of the light; a sample flow channel in the liquid pool is used for containing detected liquid, and the sample flow channel is arranged between the light source and the reflecting mirror in the propagation direction of light in the light source 2; and the camera assembly is arranged on one side of the reflecting mirror and is used for receiving the light reflected by the reflecting surface. According to the utility model, the problem that the light path occupies too much space of a table top in a certain direction is solved by folding the light path.

The invention provides an ultrasonic pipetting device with a sealed end face, and belongs to the technical field of non-contact trace liquid transfer. The problems that an open type coupling liquid pool is adopted for existing ultrasonic pipetting, coupling liquid circulation is achieved through a pump body, and the pipetting precision is not high are solved. An ultrasonic pipetting device comprises a first source liquid pool, a second source liquid pool and an ultrasonic pipetting assembly, the ultrasonic pipetting assembly comprises an ultrasonic pipetting total base body, an ultrasonic transduction assembly, an end face sealing assembly and a coupling liquid adding assembly, the first source liquid pool is used for storing source liquid needing to be transferred, and the second source liquid pool is used for collecting the source liquid transferred from the first source liquid pool. The end face sealing assembly forms multi-layer sealing at the contact position of the ultrasonic pipetting total base body and the first source liquid pool. The device has the advantages of sealing coupling liquid, reducing turbulent flow and turbulent flow influence and reducing scattering and reflection of sound waves, thereby reducing energy attenuation of the sound waves and improving pipetting precision.

The invention provides a device for separating an active material and a method for separating the active material, which can efficiently separate the active material from a battery member without causing excess stress generated by a jet flow of a liquid to act on the battery member. This active material separation device is provided with a container, a battery support unit, and a spray nozzle. A liquid is stored in the container. The battery support portion is disposed inside the container and supports the battery member. The ejection nozzle ejects a high-pressure liquid onto an active material separation surface of the battery member immersed in the liquid inside the container. A liquid ejecting portion of the ejecting nozzle that ejects the high-pressure liquid is disposed at a position immersed in the liquid inside the container.

Device containing or consisting of: a) a first reservoir suitable for receiving a liquid cell culture medium and having at least one first opening, wherein a first flow barrier is arranged in the at least one first opening of the first reservoir; b) a second reservoir which is suitable for receiving a liquid which contains or consists of at least one active ingredient and has at least one first opening, wherein a second flow barrier is arranged in the at least one first opening of the second reservoir; wherein the first and second flow barriers are each suitable for reducing a flow of an aqueous liquid through the respective at least one first opening of the respective reservoir and for allowing a diffusion of water and dissolved components of an aqueous liquid through the respective at least one first opening of the respective reservoir; characterized in that the first flow barrier is a different flow barrier than the second flow barrier, and the first reservoir is connected to the second reservoir via a conditionally detachable or non-detachable connection.

Provided is a liquid cell for an electron microscope according to an embodiment of the inventive concept, including a lower window layer, an upper window layer above the lower window layer, and a separation film disposed between the upper window layer and the lower window layer so as to separate the upper window layer and the lower window layer from each other. An upper space may be defined by the upper window layer and the separation film, and a lower space may be defined by the lower window layer and the separation film. The upper window layer, the lower window layer, and the separation film may include the same material.

A cell culture system is provided comprising a cell culture vessel enclosing an interior configured to culture cells in a liquid cell culture medium and a culture medium conditioning system. The culture medium adjusting system comprises a culture medium adjusting container and an oxygenation tower, and the culture medium adjusting container is used for adjusting a liquid culture medium. The oxygenation tower includes a housing containing an interior space, an oxygen deficient medium inlet fluidly connected to the interior space, an excess gas vent fluidly connected to the interior space, and a lower opening fluidly connected to the interior space. The lower opening is disposed at a lower end of the oxygenation tower and in a fluid path between the interior space and the medium conditioning container. The oxygenation tower is designed to mix the oxygen deficient medium with a gas comprising oxygen in a countercurrent manner and thus achieve better dissolved oxygen saturation in the medium.

A thin film liquid cell suitable for transmission electron microscopy at room temperature is fabricated as follows. A thin film floating on a liquid is prepared. A droplet of the liquid with the thin film floating thereon is transferred to a support by means of a loop. The loop carries the droplet and the droplet carries the thin film during this transfer. Sufficient liquid from the droplet on the support is removed to form the thin film liquid cell.

The present invention relates to a preparation method and application of a cell preservation solution and a liquid cell quality control product, wherein the cell preservation solution comprises chloride, phosphate, sodium ascorbate, alcohol, ethylenediaminetetraacetic acid and water. The cell preservation solution of the present invention can better fix cells, protect cell antigens, and prolong the shelf life of cells for slice making. Among them, alcohol can fix cells and maintain cell morphology; sodium ascorbate, as an antioxidant, can improve the accuracy and stability of staining; ethylenediaminetetraacetic acid can reduce the influence of metal ions on cell nucleic acids. The liquid cell quality control product prepared by the cell preservation solution of the present invention can be directly dripped for slice making, the method is simple and efficient, and the slice will not be quickly air-dried during making, can be conveniently stored and transported, and has a good staining effect.

A three-dimensional cell growth medium is described. The cell growth medium may comprise hydrogel particles swollen with a liquid cell growth medium to form a granular gel yield stress material which undergoes a phase transformation from a solid phase to a liquid-like phase when an applied stress exceeds the yield stress. Cells may be placed in the three-dimensional cell growth medium according to any shape or geometry, and may remain in place within the three-dimensional cell growth medium.

The present invention discloses a liquid pool, equipment, preparation method, perovskite film and perovskite solar cell, which are applied to the production of perovskite film and creatively integrate printing technology, chemical deposition and two-step heating annealing process. The inorganic component film is prepared by printing process, and after drying, it is immersed in organic component solution for chemical deposition. The thickness of the inorganic component film is controlled by adjusting the concentration of inorganic component solution and printing parameters. The reaction speed of perovskite and the deposition thickness of organic component are controlled by adjusting the concentration of organic component solution, immersion length and film running speed. The perovskite film is grown by heating annealing. The process system integrates four processes into one production line, and the four processes are operated synchronously, which greatly improves the production efficiency. The controllability of chemical deposition also improves the uniformity of perovskite film.

"Electricity Generation Device" Electricity generation device (1), referred to as device (1), comprising a cell (2), said cell comprising two compartments (31, 32), each compartment comprising an adsorption surface (41, 42) for a predetermined ion, and said two compartments are separated by a porous membrane (5) permeable to at least the predetermined ion. Each of the two compartments is intended to receive a liquid (L1, L2) having a different concentration of the predetermined ion. The cell comprises two terminals (61, 62) respectively connected to the adsorption surfaces of the two compartments and is capable of generating a potential difference Eocv between its two terminals in the presence of the respective liquids in the two compartments.The device (1) further includes a voltage generator (7), referred to as generator (7), comprising two terminals (71, 72) of which one terminal (71) is connected to a terminal (62) of the cell, said generator being arranged to deliver a potential difference E0 between its two terminals; the other terminal (72) of the generator constitutes a terminal (82) of the device and the other terminal (81) of the device is constituted by the other terminal (61) of the cell. Figure for the abbreviation: Figure 1.

This disclosure provides systems, methods, and apparatus related to liquid cells for use in transmission electron microscopy (TEM). In one aspect, as assembly includes a first TEM element and a second TEM element. The first TEM element comprises a grid with a first oxide disposed thereon, a first polymer layer disposed on the first oxide, and a first electrode and a second electrode disposed on the first polymer layer. The second TEM element comprises a second grid having a second oxide disposed thereon and a second polymer layer disposed on the second oxide. The second TEM element has a circular shape with a portion of the circular shape being removed such that an end of the first electrode and an end of the second electrode are exposed when the second TEM element is placed on top of the first TEM element to form the assembly.

A detection chip, a method for using a detection chip and a detection apparatus are provided the detection chip includes a chip substrate and the chip substrate includes a fluid channel and a plurality of liquid cells. The fluid channel is arranged on a surface if the chip substrate and includes a main path and a plurality of branch paths. The plurality of branch paths are respectively communicated to the plurality of liquid cells, the plurality of branch paths are all communicated to the main path, and communication points between the plurality of branch paths and the main path are different. The plurality of branch paths are configured to allow liquid in the plurality of branch paths to be capable of merging into the main path in a same direction.