55results about How to "Guaranteed electrical contact" patented technology

The invention relates to a connection arrangement for an electrically conductive contact between at least one electrical conductor (17) provided on a screen (16), in particular for a motor vehicle, and an electrical coupling element (18), wherein at least one contact point (20) between the coupling element (18) and the electrical conductor (17) is provided on a coupling point (15) for the at leastone electrical conductor (17) and wherein the electrical coupling element (18) and the electrical conductor (17) are connected to each other by means of an electrically conductive compound (19), andwherein the at least one contact point (20) of the coupling point (15) is at least partially surrounded by a casting compound (24), and a method for producing such a connection arrangement (10).

The invention discloses a silicon-carbon composite cathode material with a three-dimensional preformed hole structure and a preparation method thereof. According to the composite cathode material, a carbon material having high electric conductivity and a stable structure is used as a matrix for dispersedly containing high-volume silicon particles, and proper three-dimensional expansion spaces are reserved around one or several silicon particles. The preparation method comprises the following steps of: carrying out surface modification on the silicon particles; coating the silicon particles by silicon dioxide; coating the silicon dioxide / silicon composite particles by carbon source precursors; carrying out high-temperature carbonization treatment; and removing a silicon dioxide template, and the like. When the composite material prepared by the preparation method is used for a lithium ion battery, the reversible specific capacity is high, and the cycle performance is excellent. The silicon-carbon composite cathode material has the advantages of simple preparation process and wide raw material resource and is suitable for industrial production.

The invention discloses an electronic cigarette which comprises a battery assembly (A) and a heating assembly (B), wherein the battery assembly (A) comprises a first conductive core pipe (1), a first insulating sleeve pipe (2) and a subordinate outer pipe (3); the heating assembly (B) comprises a second conductive core pipe (4), a second insulating sleeve pipe (5) and a main outer pipe (6); a conductive insulation ring (7) is coaxially arranged between the tail part of the first conductive core pipe (1) and the tail part of the second conductive core pipe (4), and the periphery of the vertical part of the conductive insulation ring (7) and the first conductive core pipe (1) is sleeved with a spring (8); and both ends of the spring (8) are respectively butted with the traverse part (71) ofthe conductive insulation ring (7) and a third inner shoulder (22) of the first insulating sleeve pipe (2). Compared with the prior art, the invention can ensure the favorable electric connection between the first conductive core pipe and the second conductive core pipe, thereby ensuring the favorable electric connection of electric heating wires; in a state of frequent assembly and disassembly of the battery assembly and the heating assembly, even if the conductive insulation ring or the second conductive core pipe generates deformation or abrasion, the conductive insulation ring and the second conductive core pipe can still maintain electric contact, and the normal working of the electric heating wires is ensured.

The invention provides a binder for electrochemical cells, which is a copolymer, the copolymer has a first repeating unit and a second repeating unit, the first repeating unit has a first side group, and the first side group It has a first end group, and the first end group is a polar functional group; the second repeating unit has a second side group, and the second side group has a second end group, and the second end group is epoxy base. The invention also provides a composition comprising the binder and active material particles, an electrochemical battery electrode material and a preparation method thereof. In the electrode material obtained by using the binder of the invention, the active material is not easy to fall off, and the stability of the electrode structure is high.

The invention provides a semiconductor device capable of suppressing the occurrence of such a migration of an electrode component of Au, ensuring the electrical contact between the electrode and a conductive layer under the electrode well, and having an increased yield. The semiconductor device includes electrodes which contain Au and which are placed above conductive layers in a region adjacent to stacked insulating films and also includes base layers which are composed of compositionally modulated layers and which are placed between the electrodes and the conductive layers. The base layers include lateral end sections composed of single layers projecting from lateral end sections of the electrodes in the direction of the interlayer interface between the insulating films; sections which are located under the electrodes and of which a major compositional component is Ti or Ti and W; and projecting sections which project from under the electrodes in the direction of the interlayer interface between the insulating films and of which compositional components are compositionally modulated to Ti and O, to Ti, O, and N, or to Ti, W, O, and N.

The invention relates to a device for releasably fastening an object (12), in particular a vehicle body, on a load-bearing structure (14), in particular a trolley, comprising a fastening element (72) and an anti-loosening element (28 ), the fixing element is movable between a release position and a locking position. The object ( 12 ) can be locked between a fastening element ( 72 ) in the locking position and the securing element ( 28 ) by means of a retaining component ( 34 ) assigned to the object. The fastening element ( 72 ) in the locking position can be moved towards and away from the securing element ( 28 ). Furthermore, the fastening element ( 72 ) in the locked position can be pretensioned against the retaining element ( 34 ) of the object ( 12 ) against the locking element by means of the pretensioning device ( 136 ). Press in the direction of (28). Furthermore, a tackle with such a fixing device is given.

The invention relates to a device for detachably fastening an object (12), in particular a vehicle body, to a supporting structure (14), in particular a skid, comprising a fastening element (72), which is movable between a release position and a locking position, and a counter-element (28). The object (12) can be locked by way of a retaining component (34) associated therewith between the fastening element (72) in the locking position and the counter-element (28). The fastening element (72) in the locking position can be moved towards the counter-element (28) and away therefrom. The fastening element (72) in the locking position can also be pressed towards the counter-element (28) by means of a biasing unit (136), with the object (12) undergoing biasing against the retaining component (34). The invention also relates to a skid having such a fastening device.

The present invention relates to a negative electrode active material comprising: a silicon-based core particle; and an outer carbon coating layer formed on the silicon-based core particle, wherein the outer carbon coating layer contains graphene having a D / G ratio in a Raman spectrum of 0.35 or less.