5results about How to "Improve electrical contact performance" patented technology

The application discloses a kind of FPC temperature acquisition structures, including the temperature acquisition component of connecting aluminum-based FPC, temperature acquisition component includes integrally injection-molded temperature acquisition shell and conductor structure, temperature acquisition shell includes temperature acquisition part with temperature sensor and positioning part with connecting window, conductor structure is formed by copper material connecting piece and aluminum material connecting piece composite Copper material connecting piece is extended to temperature acquisition part and connected with temperature sensor, and aluminum material connecting piece is welded with aluminum-based FPC at connecting window position, the combination of same metal is better, welding strength is high and contact area is large, improve electrical contact performance, so that temperature information collected by temperature sensor can be reliably transmitted to FPC product, this conductor structure is designed using copper-aluminum composite structure, with high bonding strength, excellent conductivity and thermal conductivity, easy to weld, low contact resistance characteristics, can meet the welding requirements of conductor structure and aluminum-based FPC, also can reduce production cost, improve product performance.

The application provides a solar cell and a photovoltaic module, and belongs to the technical field of semiconductors. The solar cell comprises a silicon substrate, wherein the surface of the silicon substrate comprises: a plurality of first recessed regions, each extending into a strip shape along a first direction and being spaced apart along a second direction intersecting the first direction; and a plurality of first protruding regions, the first protruding regions being adjacent to the first recessed regions. The first recessed regions and the first protruding regions of the surface of the silicon substrate form a first texture structure, while ensuring light trapping effect, due to the lack of corner structures of a traditional tower base structure, the film layer is more uniformly deposited on the silicon substrate, and the quality of the deposited film layer is improved.

The utility model discloses a contact structure, an electric appliance element, a battery power distribution unit, a battery pack and an electric device, and relates to the field of electric appliance accessories. The contact structure comprises a cap body and a contact column, the cap body is provided with a first threaded connection part and a plugging part, and the plugging part is used for being connected with a busbar in a plugging manner; two opposite ends of the contact column are respectively a second threaded connection part and a static contact surface, and the static contact surface is used for being in contact conduction with a movable contact of an electrical apparatus element; wherein one of the first threaded connection part and the second threaded connection part is a threaded hole, and the other one is a stud matched in the threaded hole. The contact structure provided by the embodiment of the utility model is good in internal contact and high in binding force, and is helpful for improving the reliability and safety of an electrical system.

The application discloses a positive electrode material, a preparation method of the positive electrode material, a positive electrode sheet, an electrochemical device and electronic equipment, and the positive electrode material comprises a positive electrode active material and a metal element-containing substance, the metal element-containing substance comprises a metal oxide and / or a nano metal element; and the metal element-containing substance is at least partially attached to the surface of the positive electrode active material, wherein the metal element-containing substance attached to the surface of the positive electrode active material is at least partially in a rod shape. The positive electrode material has excellent electrical conductivity, and when the positive electrode material is applied to a battery, the battery has excellent rate performance.

This invention discloses a solar cell and its fabrication method, components, and system. The solar cell includes a silicon substrate, a doped layer and a passivation layer sequentially stacked on the back side of the silicon substrate. The passivation layer has electrode trenches that locally expose the doped layer, and the electrode trenches are provided with a back electrode. The back electrode includes a seed metal silicide layer, a seed metal oxide thin layer, a mixed conductive layer, and an outer metal layer sequentially stacked on the back side of the locally exposed doped layer. The seed metal silicide layer is one or more layers selected from molybdenum silicide, nickel silicide, and titanium silicide layers; the seed metal oxide thin layer is one or more layers selected from molybdenum oxide, nickel oxide, and titanium oxide thin layers; and the thickness of the seed metal oxide thin layer is no greater than 20 nm. This solar cell has a novel electrode structure, which can promote improvements in electrode structure and performance, and reduce costs. The novel electrode structure of this solar cell exhibits good current transport performance and low metal recombination loss.