8results about How to "Improve paste strength" patented technology

The invention relates to the technical field of new energy, and discloses a battery and a battery device.The battery comprises a shell assembly and a winding battery cell, the winding battery cell comprises a barrier layer, the barrier layer comprises a base film sub-layer and an adhesive sub-layer, and the barrier layer is bonded to the surface of an active substance layer corresponding to a bending part through the adhesive sub-layer; at least one end of the negative plate exceeds the positive plate, and the size of the exceeding part in the first direction is m; a through hole penetrates through the base film sub-layer along the thickness direction, and the air permeability of the barrier layer is n; the thickness of a single winding cell is q; m, n and q meet the relational expression that (q * m) / n is larger than or equal to 0.0045 and smaller than or equal to 1.65. According to the battery provided by the invention, (q * m) / n is controlled in an adaptive range, so that the coordination of the lithium embedding uniformity of the negative electrode, the ion transmission efficiency and the structural stability can be realized.

The present invention relates to the field of battery technology, and in particular to an insulating structure of a cell cover and a cell. The insulating structure of the cell cover includes: an insulating film, on which a fold is formed to divide the insulating film into a first adhesive portion, a second adhesive portion and a third adhesive portion; the second adhesive portion and the third adhesive portion are alternately arranged around the circumference of the first adhesive portion; the first adhesive portion is attached to the cover, the second adhesive portion is bent along the fold so that part of the second adhesive portion is attached to the first surface of the shell, and the third adhesive portion is bent along the fold so that it is attached to the second surface of the shell. The present invention can achieve insulation protection for the cover and allow part of the insulating film to be attached to the shell of the cell, so that the connection between the cover and the shell can be effectively covered, and the insulation effect meets the requirements of the whole package, so as to achieve the purpose of reducing costs and increasing efficiency; in addition, the pasting area is increased, the pasting strength is improved, and the problems of warping and falling off are avoided, thereby ensuring the insulation effect and production efficiency of the cell.

The utility model provides a kind of composite back adhesive certificate, including composite certificate, back adhesive, first release paper, temporary storage tank and expansion belt, the back side of the composite certificate is fixed with back adhesive by sticking, wherein first release paper is fixed on back adhesive by sticking;The two sides of the composite certificate are all provided with temporary storage tank, wherein at least one expansion belt is rotatably installed in the inside of temporary storage tank.The utility model composite certificate is provided, and it is convenient to replace display information, second, the setting of back adhesive can meet the requirements of short-term paste and long-term paste simultaneously, in addition, the setting of expansion belt can improve the strength of paste to article.

A disposable absorbent article having a transverse axis X and a longitudinal axis Y. The disposable absorbent article comprises a liquid-permeable surface layer, a liquid-impermeable bottom layer and an absorbent core, the disposable absorbent article further comprises a wing portion, the wing portion comprises at least one main wing panel, at least one first auxiliary wing panel and at least one second auxiliary wing panel, the first auxiliary fin extends along a first imaginary line and has a first angle of the first imaginary line relative to the transverse axis X. The second auxiliary fin extends along a second imaginary line and has a second angle of the second imaginary line relative to the transverse axis X. The first auxiliary wing piece and the second auxiliary wing piece which have a certain inclination degree relative to the transverse axis are arranged on the basis of the main wing piece and are used in cooperation with the fixing area, the upper portion, the middle portion and the lower portion are jointly positioned, the area of the wing portions fixed to the surface of the underpants is increased, the fixing effect of the wing portions is guaranteed, and the phenomena of displacement, wrinkling, turnover and the like of the sanitary towel are avoided. And the leakage-proof performance of the sanitary towel is further improved.

The invention belongs to the technical field of photovoltaic module production, and discloses hot pressing equipment and a photovoltaic module packaging production line. The hot pressing equipment comprises a supporting frame body, an assembly conveying mechanism arranged on the supporting frame body, at least four restoration mechanisms, an assembly adsorption supporting mechanism and at least four hot pressing mechanisms, and the assembly conveying mechanism is used for conveying photovoltaic assemblies in the conveying direction. The at least four restoration mechanisms are used for correcting the position of the photovoltaic module on the module transmission mechanism; the assembly adsorption supporting mechanism is used for adsorbing the photovoltaic assembly and lifting the photovoltaic assembly to a set height; the at least four hot-pressing mechanisms can be close to the photovoltaic module and hot-press the water-blocking adhesive tape around the photovoltaic module. The waterproof adhesive tape for the photovoltaic module is further hot-pressed after being pasted, and the problems that the waterproof adhesive tape is prone to falling off and poor in waterproof performance are solved.

The invention discloses a double-end waterproof roll, a lap joint device and a lap joint method, and belongs to the technical field of waterproof roll lap joint. Lap joint parts are arranged on the edges of the two sides of the double-end waterproof roll; the lap joint part is provided with an upper-layer structure and a lower-layer structure; a lap joint area is arranged in the lap joint part, and the lap joint area is formed by an area between the upper layer structure and the lower layer structure; during lap joint, the adjacent double-end waterproof coiled materials are connected in the preset direction in a pasting mode, the upper layer structure of the first double-end waterproof coiled material is pasted in the lap joint area of the corresponding side of the second double-end waterproof coiled material, and the lower layer structure of the second double-end waterproof coiled material is pasted in the lap joint area of the corresponding side of the first double-end waterproof coiled material. The upper-layer structures and the lower-layer structures of the lap joint parts of the adjacent double-end waterproof coiled materials are mutually pasted, so that the pasting area of the lap joint parts is increased, the adjacent double-end waterproof coiled materials are bonded more tightly, and the adjacent double-end waterproof coiled materials are not prone to falling off or loosening.

The utility model discloses a rapid packaging device, and particularly relates to the field of packaging, the rapid packaging device comprises a support, the bottom of the support is provided with a conveying roller, two sides of the support are symmetrically provided with clamping plates, one side of each clamping plate is fixedly connected with a hydraulic rod, the top of each clamping plate is provided with a push plate, and the top of each push plate is provided with a push rod. A first electric push rod is arranged on one side of the push plate, and a second roller is arranged on the other side of the push plate. Firstly, a first electric push rod is started to control a push plate to push a cover plate of a paper box, so that the cover plate covers the box body, a first roller is used for extruding the cover plate, the pasting and sealing effect is improved, a first motor is started to control a supporting frame to rotate, and a second electric push rod is started to control the supporting frame to move up and down; and an adhesive tape is extruded when being pasted on the carton body through the pressing roller, so that the pasting strength is improved, the pasting and sealing specifications are uniform, and the sealing efficiency is improved.