Abstract: The present invention provides a wave-absorbing heat-generating coating for melting ice on a wind turbine blade, and a preparation method therefor. By means of coating the surface of a wind turbine blade with the material, an ice layer on the surface of the wind turbine blade is removed by means of the cooperation between same and microwaves. The coating provided in the present invention uses environmentally friendly chemical components, can be sprayed on a large area of a wind turbine blade, has the advantages of a self-cleaning ability, resistance to heat and humidity, freezing resistance, etc., and does not corrode the wind turbine blade. By means of the coating of the present invention cooperating with microwaves for de-icing, microwave energy can be better absorbed and converted into heat energy to rapidly melt ice at an interface, thereby loosening an ice surface and detaching same.

Abstract: The embodiments of the present application discloses a lithium-ion battery and an electrical apparatus. The lithium-ion battery includes an electrolyte solution. The electrolyte solution includes a metal ion, a Stokes radius of the metal ion is smaller than that of a lithium ion, a CB value of the lithium-ion battery satisfies: 1.06?CB?1.32, and the CB value is a ratio of a capacity of a negative-electrode active material per unit area to a capacity of a positive-electrode active material per unit area.

Abstract: Embodiments of the present application disclose a lithium-ion battery and an electric device. The lithium-ion battery includes an electrolyte including a metal ion, where a reduction potential of the metal ion is higher than a reduction potential of a lithium ion; and a low CB value region, where a CB value of the lithium ion in the low CB value region satisfies: 0<CB<1, and the CB value is a ratio of a capacity of a negative electrode active material per unit area to a capacity of a positive electrode active material per unit area. The lithium-ion battery provided in the present application can effectively solve the problem of lithium deposition in the low CB value region.

Abstract: A warehousing robot includes a lifting assembly, a bearing assembly, and a connecting assembly. The lifting assembly is configured to drive the bearing assembly to move up or down. The bearing assembly is configured to bear a material container. The connecting assembly is disposed on one of the lifting assembly and the bearing assembly. A first mounting portion adapted to the connecting assembly is disposed on the other of the lifting assembly and the bearing assembly. The first mounting portion has an opening facing the connecting assembly. The connecting assembly is hooked to or detaches from the first mounting portion through the opening.

Abstract: An optical fiber connector includes a connector body, an outer frame sleeve and a tail frame sleeve. An inner core configured to be connected to a fitting member is disposed at a front end of the connector body; the outer frame sleeve is slidably sleeved on the connector body; the tail frame sleeve includes a grip portion and connecting portions configured to be connected to the outer frame sleeve, where the connecting portions extend forwards from the grip portion, and the grip portion is slidably sleeved on the connector body; the connecting portions are configured to apply force in a direction away from the fitting member to the outer frame sleeve when the tail frame sleeve is pulled in a direction away from the inner core.

Abstract: The present invention provides a wave-absorbing heat-generating coating for melting ice on a wind turbine blade, and a preparation method therefor. By means of coating the surface of a wind turbine blade with the material, an ice layer on the surface of the wind turbine blade is removed by means of the cooperation between same and microwaves. The coating provided in the present invention uses environmentally friendly chemical components, can be sprayed on a large area of a wind turbine blade, has the advantages of a self-cleaning ability, resistance to heat and humidity, freezing resistance, etc., and does not corrode the wind turbine blade. By means of the coating of the present invention cooperating with microwaves for de-icing, microwave energy can be better absorbed and converted into heat energy to rapidly melt ice at an interface, thereby loosening an ice surface and detaching same.

Abstract: A separator, a preparation method therefor, a lithium-ion battery, and an electric device. The separator includes a separation film and a coating provided on at least one side of the separation film; and the coating includes a metal salt, the metal salt includes metal ions, and the metal ions have a reduction potential higher than that of lithium ions.

Abstract: An electrolyte, a lithium-ion battery including the electrolyte, and an electric device including the lithium-ion battery, where the electrolyte includes metal ions, and the metal ions include at least one of K+, Rb+, and Cs+; where a molar concentration CM of the metal ions in the electrolyte satisfies: 0.03 M?CM.

Abstract: Embodiments of the present application disclose a lithium-ion battery and an electric device. The lithium-ion battery includes an electrolyte including a metal ion, where a reduction potential of the metal ion is higher than a reduction potential of a lithium ion; and a low CB value region, where a CB value of the lithium ion in the low CB value region satisfies: 0<CB<1, and the CB value is a ratio of a capacity of a negative electrode active material per unit area to a capacity of a positive electrode active material per unit area. The lithium-ion battery provided in the present application can effectively solve the problem of lithium deposition in the low CB value region.

Abstract: Embodiments of the present application disclose a lithium-ion battery, a preparation method therefor, and an electric device. The lithium-ion battery includes a cathode plate, where a cathode active material layer of the cathode plate includes a lithiophilic metal; and an electrolyte solution, including a metal ion, where a reduction potential of the metal ion is higher than a reduction potential of a lithium ion. The lithiophilic metal and the metal ion in the lithium-ion battery can achieve sustained suppression of lithium dendrites during a long cycle, thereby effectively improving the cycle performance of the lithium-ion battery and prolonging the service life of the lithium-ion battery.

Abstract: A fork assembly includes a lifting beam, a traverse movement enabling mechanism, a mounting frame, and a fork body arranged on the mounting frame. The mounting frame is slidably mounted to the lifting beam. The traverse movement enabling mechanism is arranged between the mounting frame and the lifting beam. The traverse movement enabling mechanism is configured to drive the mounting frame to move along a first direction relative to the lifting beam, to adjust a distance between the fork body and a warehousing shelving unit.

Abstract: A floating gear set includes a self-aligning shaft assembly and two gears. Two axial ends of the self-aligning shaft assembly are respectively inserted into the two gears, and the self-aligning shaft assembly includes a shaft body and a self-aligning member, where the shaft body is connected with the two gears in a position-limited manner in a circumferential direction through the self-aligning member, and the shaft body swings radially relative to the two gears through the self-aligning member. In the above solution, the self-aligning shaft assembly is configured to swing along a radial direction relative to the two gears, and the two gears are configured to be misaligned with each other in the radial direction and be in a connection state in which the two gears float from each other in the radial direction.

Abstract: The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide.

Abstract: Provided are a standing coke-making furnace, a coke-making system and a method thereof.

Abstract: A monitoring system detects and measures a quantity of radical particles within a gas. A test chamber is coupled to a flow channel that transmits a gas. The test chamber defines an aperture connecting the test chamber and the flow channel, and the aperture permits a subset of the gas to enter the test chamber from the flow channel. An ionizer is positioned within the test chamber and generates radical ions from radical particles of the subset of the gas. A mass spectrometer measures a quantity of the radical ions, thereby providing a measurement of the radical particles in the gas.

Abstract: This application provides a secondary battery, including a negative electrode plate. The negative electrode plate includes a negative current collector and a negative film layer disposed on at least one surface of the negative current collector. The negative film layer contains a nitrate. The secondary battery of this application can avoid generation of lithium dendrites during cycling. This application further provides an electrical device containing the secondary battery.

Abstract: This application provides a composite lithium manganese iron phosphate material and a preparation method thereof, a secondary battery, and an electric apparatus. The composite lithium manganese iron phosphate material includes lithium manganese iron phosphate particles and a coating layer. An upper service voltage of the lithium manganese iron phosphate particles is denoted as V1 in V; and the coating layer covers at least partial surface of the lithium manganese iron phosphate particles, the coating layer includes metal nanoparticles, an oxidation voltage of the metal nanoparticles is denoted as V2 in V, and the composite lithium manganese iron phosphate material satisfies V1<V2. In this application, with the surface of the lithium manganese iron phosphate particles coated with the metal nanoparticles, the cycling stability of the material can be improved and the stable capacity performance can be ensured.

Abstract: A negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material, a metal hydride, a conductive agent and a binder. The negative electrode active material includes a silicon-based negative electrode active material.

Abstract: A monitoring system detects and measures a quantity of radical particles within a gas. A test chamber is coupled to a flow channel that transmits a gas. The test chamber defines an aperture connecting the test chamber and the flow channel, and the aperture permits a subset of the gas to enter the test chamber from the flow channel. An ionizer is positioned within the test chamber and generates radical ions from radical particles of the subset of the gas. A mass spectrometer measures a quantity of the radical ions, thereby providing a measurement of the radical particles in the gas.

Abstract: Provided are a standing coke-making furnace, a coke-making system and a method thereof.