Abstract: An anode material includes silicon-containing particles including a silicon composite substrate and a polymer layer, the polymer layer coats at least a portion of the silicon composite substrate, wherein the polymer layer includes a carbon material. The anode material has good cycle performance, and the battery prepared with the anode material has better rate performance and lower expansion rate.

Abstract: A negative electrode material includes a silicon-based material and a carbon material. Peaks with a shift range of 1255˜1355 cm?1 and 1575˜1600 cm?1 in a Raman spectrum of the carbon material are a D peak and a G peak respectively. Peaks with a shift range of 1255˜1355 cm?1 and 1575˜1600 cm?1 in a Raman spectrum of the silicon-based material are the D peak and the G peak respectively. A scattering peak intensity ratio of D versus G peaks of the carbon material is A, and a scattering peak intensity ratio of D versus G peaks of the silicon-based material is B. 0.15?A?0.9, 0.8?B?2.0, and 0.2<B?A<1.8.

Abstract: A negative electrode composite material includes a Si—M—C composite material. A conductive layer exists on a surface of the Si—M—C composite material, M includes at least one of boron, nitrogen, or oxygen. Chemical shifts of a silicon element in the Si—M?C composite material as measured in a solid-state nuclear magnetic resonance test include ?5 ppm±5 ppm, ?35 ppm±5 ppm, ?75 ppm±5 ppm, ?110 ppm±5 ppm. A peak width at half height at ?5 ppm±5 ppm is K, and K satisfies: 7 ppm<K<28 ppm. The negative electrode composite material exhibits a relatively low expansion rate and a relatively high conductivity.

Abstract: An anode material includes a silicon composite substrate, wherein the Dv50 of the silicon composite substrate is from 2.5 ?m to 15 ?m, and the particle size distribution of the silicon composite substrate meets 0.1?Dn10/Dv50?0.6. The anode material has good cycle performance, and the battery prepared with the anode material has good rate performance and lower swelling rate.

Abstract: An anode material includes silicon-based particles, the silicon-based particles include a silicon-containing substrate, at least a part of the surface of the silicon-containing substrate has: (i) a polymer layer, and/or (ii) an amorphous carbon layer, and the polymer layer or the amorphous carbon layer includes carbon nanotubes, the silicon-based particles include metal elements, the metal elements include Fe, Cu, Zn, Ni, Co, or any combination thereof; wherein the content of the metal elements selected from Fe, Cu, Zn, Ni, Co, or any combination thereof is less than about 2500 ppm based on the total weight of the silicon-based particles. A lithium ion battery with the anode active material has a reduced impedance and K value, and improved first efficiency and cycle performance.

Abstract: The present application relates to an anode material, and an electrochemical device and an electronic device using the same. The anode material of the present application includes: a silicon compound SiOx, where x is 0.5-1.5; an oxide MeOy layer, the MeOy layer coating at least a portion of the silicon compound SiOx, where Me includes at least one of Al, Si, Ti, Mn, V, Cr, Co or Zr, where y is 0.5-3; and a carbon nanotube layer, the carbon nanotube layer coating at least a portion of the MeOy layer. The anode material can significantly enhance the cycle performance and rate performance of the electrochemical device, and significantly reduce the impedance of the electrochemical device.

Abstract: An anode material includes a lithiated silicon oxide material, an inorganic coating layer, and a polymer coating layer, wherein the inorganic coating layer and the lithiated silicon oxide material at least have Si—O-M bonds therebetween, and M includes at least one of an aluminum element, a boron element, and a phosphorus element. The anode material has high water stability, high first coulombic efficiency, and good cycle stability.

Abstract: An anode material includes silicon-containing particles including a silicon composite substrate and an oxide MeOy layer, wherein the oxide MeOy layer is coated on at least a portion of the silicon composite substrate, wherein Me includes at least one of Al, Si, Ti, Mn, V, Cr, Co or Zr, and y is 0.5 to 3; and wherein the oxide MeOy layer includes a carbon material. The anode material has good cycle performance, and the battery prepared from the anode material has better rate performance and lower swelling rate.

Abstract: A negative electrode material of this application includes silicon-based particles, where the silicon-based particles include: a silicon oxide SiOx, where x is 0.5 to 1.6; and a carbon layer, where the carbon layer covers at least a portion of a surface of the silicon oxide SiOx. In a Raman spectrum, a ratio of a height I1350 of the silicon-based particles at a peak of 1350 cm?1 to a height I1580 at a peak of 1580 cm?1 satisfies 0<I1350/I1580<5, and a ratio of a height I510 at a peak of 510 cm?1 to the height I1350 at the peak of 1350 cm?1 satisfies 0<I510/I1350<12. A lithium ion battery prepared from the negative electrode active material has improved first efficiency, cycling performance, and rate performance.

Abstract: An anode material includes a silicon composite substrate. In the X-ray diffraction pattern of the anode material, the highest intensity at 2? within the range of 28.0° to 29.0° is I2, and the highest intensity at 2? within the range of 20.5° to 21.5° is I1, wherein 0<I2/I1?1. The anode material has good cycle performance, and the battery prepared with the anode material has better rate performance and a lower swelling rate.

Abstract: An anode material includes a silicon compound SiOx, where x is about 0.5 to 1.5; an oxide MeOy layer, the MeOy layer coating the silicon compound SiOx, where y is about 0.5 to 3; and a carbon layer, the carbon layer coating the MeOy layer. Me includes at least one of Al, Si, Ti, Mn, V, Cr, Co, and Zr. The surface of the MeOy layer adjacent to the carbon layer has an open pore structure, and at least part of the open pore structure is filled with the carbon layer. The anode material improves the cycle performance of the electrochemical device and significantly reduce the impedance of the electrochemical device.

Abstract: The present application relates to an anode active material and a preparation method thereof, and a device using the anode active material. The anode active material provided by the present application includes anode active particles having silicon element, a first conductive material and a second conductive material, wherein the first conductive material and the second conductive material form a three-dimensional conductive network structure, at least a portion of the anode active particles are accommodated in the three-dimensional conductive network structure, and a ratio of the total surface area of the first conductive material to the total surface area of the anode active particles is less than 1000. The capacity retention rate and expansion ratio of the anode active material with progression of the cycle are significantly improved.

Abstract: The present application relates to an anode active material and an anode, an electrochemical device and an electronic device using the same. Specifically, the present application provides an anode active material, including a lithiated silicon-oxygen material and a coating layer, where the coating layer and the lithiated silicon-oxygen material at least have one or more structural units selected from formulae CF2a, CHFb and CH2c therebetween, where a, b, and c are integers greater than or equal to 6. The anode active material of the present application has high stability and is suitable for being subjected to aqueous processing to obtain the anode.

Abstract: To generate link information containing association between machining information and/or machine information in a machining program, and an optical feature in a workpiece image. A link information generation device 1 comprises: a machining information acquisition unit 111 that acquires machining information in a machining program for a machine tool that executes machining on a workpiece W; a machine information acquisition unit 112 that acquires machine information about the machining state of the machine tool; a workpiece image acquisition unit 13 that acquires image information about the workpiece W; an optical feature setting unit 14 that sets an image area having an optical feature in the image information about the workpiece W; and a link information generation unit 15 that generates link information containing association between the image area having the optical feature, and the machining information and/or the machine information about a workpiece area associated with the image area.

Abstract: A negative electrode includes silicon-based particles and graphite particles, where a quantity of graphite particles present within a vertical distance of about 0 to 6 ?m to respective edges of the silicon-based particles is N, and based on a total quantity of the silicon-based particles, more than about 50% of the silicon-based particles satisfy: 6?N?17. The negative electrode has good cycle performance, and a battery prepared by using the negative electrode has good rate performance and a low deformation rate.

Abstract: A method of triggering an intra-frequency measurement of a terminal, a device of triggering an intra-frequency measurement of a terminal, a terminal and a base station are provided. The method includes: acquiring parameter information sent by a base station and configured to determine whether to trigger an intra-frequency measurement; determining whether to perform the intra-frequency measurement based on the parameter information.

Abstract: An anode material includes a lithiated silicon oxide material and a MySiOz layer. The lithiated silicon oxide material includes Li2SiO3, Li2Si2O5 or a combination thereof, and the MySiOz layer coats the lithiated silicon oxide material; M includes Mg, Al, Zn, Ca, Ba, B or any combination thereof; and 0<y<3, and 0.5<z<6. The anode material has high first discharge coulombic efficiency, high gram capacity, and good cycle performance.

Abstract: The present application relates to an anode active material and an anode, an electrochemical device and an electronic device using same. Specifically, the present application provides an anode active material, including a lithiated silicon-oxygen material and a coating layer, where there is at least a Si—O-M bond between the coating layer and the lithiated silicon-oxygen material, where M is selected from one or more of an aluminum element, a boron element and a phosphorus element. The anode active material of the present application has high stability and is suitable for aqueous processing to be prepared into an anode.

Abstract: The present invention provides a modified graphite negative electrode material, preparation method thereof and a secondary battery. The modified graphite negative electrode material includes a graphite and a multilayer graphene. The multilayer graphene are dispersed in the graphite. The multilayer graphene are loaded with a conductive agent by bonding of a binder. The modified graphite negative electrode material can achieve a higher compaction density for the negative electrode, and can effectively improve the lithium precipitation of the negative electrode of the secondary battery while improving the cycle performance of the secondary battery when being applied to the secondary battery.

Abstract: The present application relates to a porous material and preparation methods thereof, and anodes and devices including the same. The porous material provided by the present application includes a material of the formula SiaMbOx, wherein the ratio of x to a is about 0.6 to about 1.5, and the ratio of a to b is about 8 to about 10,000, wherein M includes at least one selected from the group consisting of Al, Si, P, Mg, Ti and Zr. The anode and an electrochemical device including the porous material exhibit higher rate performance, higher first coulombic efficiency, higher cycle stability and lower cycle expansion ratio.