Abstract: Disclosed are a structure for preventing battery thermal runaway, a battery housing and a battery. The structure includes an outer plate and an inner plate, the outer plate and/or the inner plate has a concave portion, the inner plate and the outer plate form an accommodating space accommodating a thermal runaway prevention material in the concave portion; the inner plate has at least one inner hole, the accommodating space has at least one exhaust channel in communication with the inner hole; and a turnover sealing apparatus includes a sealing ring and a turnover sheet, the sealing ring is located between the turnover sheet and the inner plate, the turnover sheet at least partially abuts against the sealing ring, the sealing ring normally seals the exhaust channel, and the turnover sheet turns over at a preset pressure and/or temperature to make the sealing ring unseal the exhaust channel.

Abstract: Disclosed are a cylindrical battery and a cylindrical battery assembly which relate to the technical field of battery production and manufacturing. The cylindrical battery assembly includes a housing and a top cover assembly, the housing is provided with an opening, the top cover assembly seals the opening in an insulating manner, the top cover assembly includes a first top cover, a second top cover and an insulating part, the polarity of the first top cover is opposite to the polarity of the second top cover, the first top cover is connected to the second top cover in an insulating manner by an insulating part, a directive structure is arranged on the housing and/or the top cover assembly, and the directive structure and the cylindrical battery assembly are arranged in a non-coaxial manner.

Abstract: The present disclosure belongs to the technical field of batteries, and specifically relates to a battery cover structure, including: a first cover, a second cover, a third cover and an insulator; the first cover is provided with a first through hole, and the second cover and the third cover are connected and arranged in the first through hole, the insulator is arranged between the first cover and the second cover and between the first cover and the third cover, and the second cover is configured for being electrically connected to an outside, and the third cover is configured for being electrically connected to a first tab; and the second cover and the third cover have the height difference in the first direction, and each of the second cover and the third cover is provided with a welding region.

Abstract: Disclosed is an electrode terminal, which includes a columnar portion and a first extension portion. An end surface of the columnar portion is concave inwards to form a first groove, the first extension portion extends outwards along a circumferential direction of the end surface of the columnar portion formed with the first groove, and an electric connection portion is formed at an end of the columnar portion away from the first groove. The electrode terminal in the disclosure is fitted with a current collecting assembly, a clamping process of the electrode terminal and the current collecting assembly is effectively omitted, a space utilization rate of a battery is improved, and the electrode terminal is welded to an external circuit more accurately and simply. In addition, further disclosed are a current collecting assembly and a cylindrical battery.

Abstract: The disclosure provides a battery and a non-metallic explosion-proof valve structure thereof, including a cover assembly, a housing and an injection molded part, the cover assembly and the housing are connected in a sealed manner, the cover assembly or the housing is provided with a through hole, the injection molded part is fixedly connected with the cover assembly or the housing provided with the through hole, and seals the through hole, a plurality of fixing holes are arranged in an area where the cover assembly or the housing is connected with the injection molded part, and the injection molded part is fixedly connected with the plurality of fixing holes. The non-metallic explosion-proof valve structure in the disclosure has good air tightness and structural strength when the battery is in normal operation, and can realize the directional exhausting function and avoid the battery explosion when the battery undergoes thermal runaway.

Abstract: The present disclosure provides a subunit vaccine of contagious caprine pleuropneumonia and preparation method and use thereof, belonging to the technical field of preparation of animal infectious disease vaccine. The combination of Mycoplasma capricolum subsp. capripneumoniae immunoproteins comprises Mycoplasma capricolum subsp. capripneumoniae immunoproteins A, B, C, D and E; the mass ratio of Mycoplasma capricolum subsp. capripneumoniae immunoproteins A, B, C, D and E is (0.5-1.5):(0.5-1.5):(0.5-1.5):(0.5-1.5):(0.5-1.5). The subunit vaccine of contagious caprine pleuropneumonia comprises the combination of Mycoplasma capricolum subsp. capripneumoniae immunoproteins and adjuvant; the subunit vaccine has the advantages of high safety, good immunization effect, high stability and minor adverse effects.

Abstract: Disclosed are a cylindrical battery and a battery module. The cylindrical battery includes: a housing; a cell arranged in the housing, where the cell is provided with a first tab, and a second tab having an opposite polarity relative to the first tab, and the first tab and the second tab are located at the same end face of the cell; a cover assembly connected to the housing, where the cover assembly includes a first cover, a second cover and an insulator, the first cover and the second cover are connected to each other in an insulated manner through the insulator to form an integral structure, the first cover is connected to the first tab, and the second cover is connected to the second tab; and an insulating barrier arranged between the first tab and the second tab.

Abstract: The present disclosure provides a subunit vaccine of contagious caprine pleuropneumonia and preparation method and use thereof, belonging to the technical field of preparation of animal infectious disease vaccine. The combination of Mycoplasma capricolum subsp. capripneumoniae immunoproteins comprises Mycoplasma capricolum subsp. capripneumoniae immunoproteins A, B, C, D and E; the mass ratio of Mycoplasma capricolum subsp. capripneumoniae immunoproteins A, B, C, D and E is (0.5-1.5): (0.5-1.5): (0.5-1.5): (0.5-1.5): (0.5-1.5). The subunit vaccine of contagious caprine pleuropneumonia comprises the combination of Mycoplasma capricolum subsp. capripneumoniae immunoproteins and adjuvant; the subunit vaccine has the advantages of high safety, good immunization effect, high stability and minor adverse effects.

Abstract: Systems and methods for enhancing hydraulic fracturing productivity for recovery of a reservoir fluid from a reservoir formation having an open fracture includes providing a shape memory filter that is pseudoelastically deformed and contained within a soluble container. The shape memory filter and soluble container are pumped into the open fracture so that the soluble container dissolves and the shape memory filter returns to an expanded filter shape. A proppant is pumped into the open fracture so that the proppant is trapped by the shape memory filter and forms a column across the open fracture.

Abstract: A system and method of recovering a system on replacement hardware includes booting the replacement hardware from an operating system disk. A recovery media is coupled to the replacement hardware to provide access to system information for restoring programming to replacement hardware. A specific file is provided on the recovery media that is looked for during the booting of the replacement hardware. When the specific file is found, recovery specific system information is loaded onto the replacement hardware to facilitate a recovery process.