Abstract: Disclosed are a Li-ion battery and a Li-ion battery pack, each of which comprises: at least one battery cell; an explosion-venting mechanism fixed to the battery cell for releasing thermal runaway fume generated by the battery cell in the case of thermal runaway; a manifold fixedly connected to the explosion-venting mechanism for transferring the thermal runaway fume; and an ignition device fixedly connected to the manifold to ignite the thermal runaway fume transferred from the manifold. In the Li-ion battery cell and battery provided by the present application, an explosion-venting mechanism and a manifold are arranged on the battery cell shells, the thermal runaway fume generated by a battery cell during thermal runaway is released directionally and discharged through the manifold; in addition, an ignition device is provided to ignite the thermal runaway fume for combustion.

Abstract: Disclosed are a battery cell case having a dissoluble mechanism and a high-capacity battery. The battery cell case comprises at least one dissoluble mechanism, which comprises an isolating assembly and a dissoluble assembly; the battery cell case is provided with an opening, where the isolating assembly and the dissoluble mechanism are arranged sequentially in a direction away from the battery cell case; when the dissoluble assembly contacts with electrolyte outside the battery cell case, the isolating assembly is opened because the dissoluble mechanism is dissolved, thereby the interior of the battery cell case communicates with the exterior of the battery cell case. The high-capacity battery comprises at least two battery cells and an electrolyte storage pipeline, where the electrolyte storage pipeline comprises a main pipeline and a plurality of branch pipes, the branch pipes are in one-to-one correspondence to the openings of the battery cell cases.

Abstract: A high-capacity battery comprises an enclosure, a group of battery cells arranged inside the enclosure, and cover plates arranged on two opposite sides of the enclosure. The cover plates serve as positive and negative poles of the battery. The group of battery cells are composed of a plurality of battery cells with similar performance, which are grouped by capacity, voltage, internal resistance, and self-discharge, etc., and connected in shunt, and all battery cells in the group share the same electrolyte system. The pole lugs of the group of battery cells are connected to the cover plates, and the cover plates are connected to the enclosure in an insulated and sealed manner.

Abstract: Disclosed are a high-capacity battery manufacturing method and a high-capacity battery, which mainly solve the problems of poor consistency, unstable performance and poor overall working performance of existing high-capacity lithium batteries. The method comprises: assembling coiled or laminated units that make up high-capacity battery cells into battery cells individually, carrying out formation and capacity grading of the battery cells, grouping the battery cells according to one or more of their capacity, internal resistance, voltage and self-discharge, connecting the battery cells in the same group in shunt, loading the battery cells in the same group into a high-capacity battery pack, and then carrying out secondary electrolyte injection, sealing, aging and capacity grading of the high-capacity battery pack. According to the present application, battery cell formation and capacity grading are carried out after primary electrolyte injection.

Abstract: The present invention relates to a fire-extinguishing composition containing an aldehyde/ketone compound. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing an aldehyde/ketone compound in the present invention reacts at a high temperature to generate free radicals and takes reaction with one or more of O-, OH-, H-free radicals necessary for a chain combustion reaction through the free radicals, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes synergistic interaction effects with the pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: The present invention relates to a fire-extinguishing composition containing an alcohol/phenol compound and its derivative. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing an alcohol/phenol compound and its derivative in the present invention reacts at a high temperature to generate a great quantity of nanoscale active fire-extinguishing particles, takes reaction with one or more of O-, OH-, H-free radicals necessary for a chain combustion reaction, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes a synergistic interaction effect with pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: The present invention relates to a fire-extinguishing composition containing a carboxylic acid derivative. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing a carboxylic acid derivative in the present invention is decomposed at a high temperature to generate free radicals and takes reaction with one or more of O—, OH—, H— free radicals necessary for a chain combustion reaction through the free radicals, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes synergistic interaction effects with the pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: The present disclosure relates to an inner cylinder of an explosion-venting-type aerosol fire extinguishing device, including a cylinder body (3) and a cylinder cover component (4) arranged on one end of the cylinder body (3), and an explosion-venting device arranged on the cylinder body (3). The explosion-venting device includes a friction layer (11), a connecting rod (12), a guiding unit (13), and a limiting device (14). The connecting rod (12) are connected with the cylinder cover component (4). The friction layer (11) is provided between the connecting rod (12) and the cylinder body (3). The friction layer (11) provides a frictional resistance and a buffering force for the connecting rod (12) when the connecting rod (12) is displaced, under the guidance of the guiding unit (13), along a direction that a hot air stream of the cylinder body (3) is jetting towards. The guiding unit (13) is a device capable of providing guidance for the connecting rod (12) when the connecting rod (12) is moving.

Abstract: A fixed fire extinguishing apparatus, comprising a housing (2), a cartridge (1) and an activation controller connected to the cartridge (1), wherein the cartridge (1) is numbered at least two and arrayed in the housing (2), a bottom of the cartridge penetrates through the fixing hole and extends to a bottom of the bracket, the fixing device comprises a bolt fixed at the bottom of the cartridge, a nut matched with the bolt, a rotation-stopping main body is clamped directly to the bottom of the bracket and a bump fixed on the rotation-stopping main body (3-1) and clamped with the bolt; a through groove is provided on the bolt, a through-direction of the through groove is perpendicular to the extending direction of an axis of the bolt the bump can be embedded in the through groove.

Abstract: A portable fire extinguishing apparatus, which comprises a casing (20) and a cartridge (3) arranged inside the casing (20). The top end of the cartridge (3) is fixedly connected with the casing (20) through a snap ring (24); the bottom of the cartridge (3) is fixedly connected with the casing (20) through some nuts and bolts; and an explosion venting unit (2) is arranged at the jet end of the cartridge (3). Kinetic energy generated from explosion is consumed through shifting and limiting processes of the explosion venting units (2), therefore recoil force or forward impact force generated after explosion of explosives can be consumed or released, so that safe and effective explosion venting is achieved and hurt to human bodies or articles after explosion of grains is avoided.

Abstract: The present invention relates to a fire-extinguishing composition containing a heterocyclic compound. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing a heterocyclic compound in the present invention reacts at a high temperature to generate free radicals and takes reaction with one or more of O—, OH—, H— free radicals necessary for a chain combustion reaction through the free radicals, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes synergistic interaction effects with the pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: The present invention relates to a fire-extinguishing composition containing an aldehyde/ketone compound. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing an aldehyde/ketone compound in the present invention reacts at a high temperature to generate free radicals and takes reaction with one or more of O-, OH-, H-free radicals necessary for a chain combustion reaction through the free radicals, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes synergistic interaction effects with the pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: The present invention relates to a fire-extinguishing composition containing a carboxylic acid derivative. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing a carboxylic acid derivative in the present invention is decomposed at a high temperature to generate free radicals and takes reaction with one or more of O—, OH—, H— free radicals necessary for a chain combustion reaction through the free radicals, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes synergistic interaction effects with the pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: The present invention relates to a fire-extinguishing composition containing an alcohol/phenol compound and its derivative. The fire-extinguishing composition releases a great quantity of active fire-extinguishing particles by making use of the heat generated from combustion of a pyrotechnic agent. The fire-extinguishing composition containing an alcohol/phenol compound and its derivative in the present invention reacts at a high temperature to generate a great quantity of nanoscale active fire-extinguishing particles, takes reaction with one or more of O—, OH—, H— free radicals necessary for a chain combustion reaction, so as to cut off the chain combustion reaction and take physical and chemical inhibiting effects to jointly achieve a fire extinguishing effect at the same time. Meanwhile, it takes a synergistic interaction effect with pyrotechnic agent to further raise the fire extinguishing efficiency of the fire extinguishing agent and greatly shorten the effective fire extinguishing time.

Abstract: A portable fire extinguisher includes a housing (3) and a cartridge (4) arranged within the housing (3). The cartridge (4) is fixedly connected at a bottom thereof to the housing (3) via a fastening device (40). This on the one hand facilitates shifting, and on the other hand allows the cartridge (4) to be fixed appropriately in the housing (3), thus not easily rotated or loosened, also, the need of a production site for waiting for silicone solidification by standing for seven to eight hours is avoided when silicone injection for fixing is used, thus improving production efficiency.

Abstract: Disclosed is a portable fire extinguishing device, which comprises a casing (1) and a cartridge (2) provided inside the casing (1). The device is characterized in that: the casing (1) comprises a first half casing (4), a second half casing (5) fitted to the first half casing (4), a fastening ring (6) and a bottom cover (7); the first half casing (4) and the second half casing (5) are butted; the fastening ring (6) is provided on the top ends of the first half casing (4) and the second half casing (5) so as to fasten the both; and the bottom cover (7) is provided at the bottoms of the both. The first half casing, the second half casing, the fastening ring and the bottom cover are clamped and fixedly connected with each other to form a whole casing so that the whole wall thickness of the casing is uniform, thus improving injection moulding processes, reducing the difficulty in manufacturing a mould, saving plastic resources, and facilitating installation and disassembly.

Abstract: An explosion-venting method for an aerosol fire suppression apparatus, comprising the following steps: 1) when the aerosol fire suppression apparatus explodes, an explosion-venting device matching the aerosol fire suppression apparatus generating a limited displacement along a direction that a hot air stream of the aerosol fire suppression apparatus is jetting towards; 2) when an extremity of the explosion-venting device reaches an edge of the aerosol fire suppression apparatus, being limited, the explosion-venting apparatus stops the displacement along the direction that the hot air stream of the aerosol fire suppression apparatus is jetting towards, thus achieving for the aerosol fire suppression apparatus the effects of explosion-venting and reduced recoil force.

Abstract: A fixed fire extinguishing apparatus, comprising a housing (2), a cartridge (1) and an activation controller connected to the cartridge (1), wherein the cartridge (1) is numbered at least two and arrayed in the housing (2). A plurality of cartridges (1) can be simultaneously activated via one activation controller (5), thus greatly enhancing the fire extinguishing performance of the fire extinguishing apparatus. In addition, the fixed fire extinguishing apparatus has a small overall size thus occupies less space.

Abstract: A portable fire extinguishing apparatus, which comprises a casing (20) and a cartridge (3) arranged inside the casing (20). The top end of the cartridge (3) is fixedly connected with the casing (20) through a snap ring (24); the bottom of the cartridge (3) is fixedly connected with the casing (20) through some nuts and bolts; and an explosion venting unit (2) is arranged at the jet end of the cartridge (3). Kinetic energy generated from explosion is consumed through shifting and limiting processes of the explosion venting units (2), therefore recoil force or forward impact force generated after explosion of explosives can be consumed or released, so that safe and effective explosion venting is achieved and hurt to human bodies or articles after explosion of grains is avoided.

Abstract: Disclosed is a portable fire extinguishing device, which comprises a casing (1) and a cartridge (2) provided inside the casing (1). The device is characterized in that: the casing (1) comprises a first half casing (4), a second half casing (5) fitted to the first half casing (4), a fastening ring (6) and a bottom cover (7); the first half casing (4) and the second half casing (5) are butted; the fastening ring (6) is provided on the top ends of the first half casing (4) and the second half casing (5) so as to fasten the both; and the bottom cover (7) is provided at the bottoms of the both. The first half casing, the second half casing, the fastening ring and the bottom cover are clamped and fixedly connected with each other to form a whole casing so that the whole wall thickness of the casing is uniform, thus improving injection moulding processes, reducing the difficulty in manufacturing a mould, saving plastic resources, and facilitating installation and disassembly.