Abstract: An electrochemical apparatus, including a housing, an electrode assembly disposed within the housing, and an adhesive component located between the housing and the electrode assembly. The housing includes a first sidewall, and the electrode assembly includes a first side surface adjacent to the first sidewall, where the first side surface includes a second region, a first region, and a third region arranged sequentially along a first direction. The adhesive component includes a first surface and a second surface opposite to each other; the first surface includes a first adhesive zone bonded to the first sidewall; the second surface includes a second adhesive zone bonded to the second region, a third adhesive zone bonded to the third region, and a first non-adhesive zone located between the second adhesive zone and the third adhesive zone. Along a second direction, a projection of the first adhesive zone overlaps with the first non-adhesive zone.

Abstract: An electrochemical apparatus includes a housing, an electrode assembly, a first adhesive member, and a second adhesive member. A first sidewall of the housing includes an internal first surface and an external second surface opposite to each other along a first direction. The electrode assembly is disposed within the housing, and the electrode assembly includes a first side surface. The first adhesive member includes a first side portion and a second side portion opposite each other, where the first side portion includes a first adhesive region bonded to the first surface, and the second side portion includes a second adhesive region, a first non-adhesive region, and a third adhesive region sequentially arranged along a second direction, and the second adhesive region and the third adhesive region are bonded to the first side surface. The second surface is bonded to an external structure through the second adhesive member.

Abstract: An electrochemical apparatus including a housing, an electrode assembly, and an adhesive member. The housing includes a first sidewall, and the electrode assembly is disposed within the housing and includes a first side surface adjacent to the first sidewall, the first side surface including a second region, a first region, and a third region arranged sequentially along a first direction. The adhesive member is located between the housing and the electrode assembly. The adhesive member includes a first side and a second side opposite each other, the first side including a first adhesive zone bonded to the first sidewall, the second side including a second adhesive zone bonded to the second region, a third adhesive zone bonded to the third region, and a first non-adhesive zone located between the second adhesive zone and the third adhesive zone.

Abstract: An electrochemical apparatus, including a first housing, a first connector connected to the first housing, an electrode plate assembly, a first tab, and a second tab. A first electrode plate of the electrode plate assembly is located on a winding inner side. The first tab is connected to a first region of the first electrode plate, and includes a second region connected to the first housing. The second tab is connected to a third region of a second electrode plate. The first connector includes a fourth region. A winding length of the first region extending beyond the third region is less than one turn. An angle formed by rotating the third region to the first region around a winding center is ?, 45°???135°. An angle formed by rotating the first region to the fourth region around the second region is ?, ?60°???45°.

Abstract: An electrochemical apparatus, including a housing and an electrode assembly. The housing includes a first housing portion and a second housing portion with opposite polarities. The electrode assembly includes an electrode plate assembly, a first tab, and a second tab, where the electrode plate assembly includes a first electrode plate and a second electrode plate arranged in a wound manner, the first tab is connected to the first electrode plate and the first housing portion, and the second tab is connected to the second electrode plate and the second housing portion. The electrochemical apparatus further includes a first connector, the first connector including a first arc portion; and/or, the electrochemical apparatus further includes a second connector, the second connector including a second arc portion.

Abstract: A lifting and placing caster includes a mounting seat, a mounting frame, a swing rod and a limiting rod. One end of the mounting frame is rotatably connected to the mounting seat. The mounting frame has a roller and a first rotating shaft. The mounting frame has a strip through hole throughout which the first rotating shaft is disposed. The first rotating shaft can reciprocate in an extension direction of the strip through hole. One end of the swing rod is rotatably connected to the mounting seat, and the other end of the swing rod is rotatably connected to the first rotating shaft. The limiting rod is rotatably connected to the mounting frame. The roller can be driven to switch between a first position and a second position through the rotation of the mounting frame.

Abstract: The present application provides a battery housing assembly and a battery. The housing assembly comprises a housing body, an electrode column and an insulating part, wherein the housing body is provided with a mounting hole, the electrode column penetrates the mounting hole, the column body comprises a first end and a second end, the second end is provided inside the housing body, the first end is provided with a restricting part, the second end is provided with a riveting part, the restricting part and the riveting part jointly clamp the insulating part and the housing body, the end surface of the second end is provided with a groove, and the groove is adjacent to the riveting part.

Abstract: A caster with horizontal braking includes a connecting base, a wheel rotatably connected to the connecting base, and a brake assembly including a movable plate slidably connected to the connecting base and a rotary plate. The movable plate is provided with a brake pad at an end and a first abutting plate with a limiting portion thereon, and is rotatably connected to the connecting base. A second abutting plate fitted with the first abutting plate is arranged on the rotary plate. When the rotary plate is rotated to cause the second abutting plate to push the first abutting plate to move backward, the brake pad moves backward to abut against the wheel, one end of the second abutting plate is abutted against the limiting portion, the force applied by the wheel to the brake pad opposites the force applied by the second abutting plate to the limiting portion.

Abstract: The present disclosure relates to at least one method for ascertaining at least one attribute of pressure vessel wall. A method comprises: while a pressure vessel, which comprises a wall having an outer surface and an inner surface, is operating: ascertaining a current wavelength shift of a first fiber Bragg grating (FBG) sensor disposed at a first outer surface location on the pressure vessel; and ascertaining a current thickness of the wall at the first outer surface location by: computing a vector based on a time series of the current wavelength shift, or a derivative of the time series, or a derivative of the current wavelength shift; providing the vector to a predetermined regression model; and using the regression model, ascertaining the current thickness of the wall.

Abstract: The present disclosure provide a battery shell assembly and a lithium-ion battery. The battery shell assembly includes a shell, a pole and an insulating assembly. The shell is formed with an accommodating cavity and has a first end and a second end that are opposite to each other. The pole is disposed at the first end and is insulatively connected to the shell. The insulating assembly is connected between the pole and the shell. The shell has a first surface opposite to the pole, the pole has a second surface opposite to the shell, and at least one of the first surface and the second surface is disposed with an insulating layer.

Abstract: An anti-eavesdropping distributed fusion filtering method for the multi-rate nonlinear system over sensor network includes: Step 1, establishing a dynamic model for the multi-rate nonlinear system over sensor network; Step 2, transforming the multi-rate nonlinear system dynamic model into a single-rate nonlinear system dynamic model through the prediction compensation strategy; Step 3, designing an anti-eavesdropping distributed fusion filter; Step 4, calculating an upper bound on the one-step prediction error covariance (tk+1|tk); Step 5, deriving the local distributed filter parameter Ki(tk+1); Step 6, deriving the selection matrix Lij(tk+1); Step 7, substituting Ki(tk+1) and Lij(tk+1) into Step 3 to obtain the fusion filter {circumflex over (x)}CI(tk+1|+tk+1); Step 8, solving for the upper bound on the local filtering error covariance (tk+1|tk+1).

Abstract: A large-scale denudation depth thematic mapping method, which includes: creating a rule for arranging field work point and field work route, a sampling rule, a field observation and recording rule and a mineral processing rule of a research area. Analyzing a target mineral selected at each field work point by using a thermochronology research method and inputting analysis data into a Low-T Thermo software to perform thermal evolution history modeling and denudation depth calculation, so as to obtain a denudation depth at each of the field work points. Drawing a denudation depth isopleth map of the research area according to the denudation depth at each of the field work points; and setting a large-scale standard regional geological map of the research area as a base map. Superimposing the base map and the denudation depth isopleth map to obtain a denudation depth map of the research area.

Abstract: A caster with horizontal braking includes a connecting base, a wheel rotatably connected to the connecting base, and a brake assembly including a movable plate slidably connected to the connecting base and a rotary plate. The movable plate is provided with a brake pad at an end and a first abutting plate with a limiting portion thereon, and is rotatably connected to the connecting base. A second abutting plate fitted with the first abutting plate is arranged on the rotary plate. When the rotary plate is rotated to cause the second abutting plate to push the first abutting plate to move backward, the brake pad moves backward to abut against the wheel, one end of the second abutting plate is abutted against the limiting portion, the force applied by the wheel to the brake pad opposites the force applied by the second abutting plate to the limiting portion.

Abstract: A control method and system for automatic voltage control (AVC) substation reactive power optimization assistance are provided, and belong to the technical field of electric power system operation control. The method includes: determining whether a reactive integrated electric quantity of a main transformer step-down switch of a substation exceeds a set value of reactive integrated electric quantity of the main transformer step-down switch; if yes, determining whether voltage of a 10 kV bus of the substation is qualified; if yes, determining whether a power factor of a transformer step-down switch is greater than a power factor set value of the main transformer step-down switch; if yes, determining whether a reactive power demand of the substation is true; and if yes, putting a capacitor into use to perform reactive on-site balance control.