Abstract: The present application provides a silicon-carbon composite material. The silicon-carbon composite material comprises a plurality particles. Each of the plurality of particles comprises a silicon nanoparticle; a first carbon layer wrapping a surface of the silicon nanoparticle; a second carbon layer wrapping the first carbon layer; and an elastic layer wrapping the second carbon layer. The silicon nanoparticle comprises a silicon matrix and at least one doping element located in the silicon matrix. Methods for preparing the silicon-carbon composite material and for preparing a silicon-carbon composite slurry are further provided.

Abstract: A horizontal grinder rotor includes a grinding ring, multiple blades, and a center body. The grinding ring, the multiple blades and the central body are formed by 3D printing. The multiple blades are located between the grinding ring and the central body, and the multiple blades are arranged at intervals. The multiple blades are arranged in pairs and symmetrical with respect to the central body, and the horizontal grinder rotor further comprises one or more pins, the one or more pins are provided on at least one side of each of the multiple blades.

Abstract: A method of making a silicon-carbon pre-lithium composite anode material is provided. The method includes: nanoizing silicon materials to obtain nano-silicon particles, adding carbon materials and polymer into the nano-silicon particles for homogenization treatment to obtain a silicon-carbon composite; providing a pre-lithium nanomaterial; mixing the silicon-carbon composite and the pre-lithium nanomaterial to granulate to obtain a silicon-carbon pre-lithium composite precursor; and sintering the silicon-carbon pre-lithium composite precursor.

Abstract: An element-doped silicon-carbon composite negative electrode material is provided. The negative electrode material comprises a plurality of element-doped silicon-carbon composite negative electrode material particles, and each them comprises an element-doped silicon nanoparticle, a first carbon coating layer and a second carbon coating layer. The element-doped silicon nanoparticle is a core, and the first carbon coating layer is coated on the element-doped silicon nanoparticle, the second carbon coating layer covers the first carbon coating layer. The dopant element comprises at least one of a group IIIA element, a group VA element and a transition metal element. A method of preparing the element-doped silicon-carbon composite negative electrode material is further provided.

Abstract: A method for preparing a swelling-inhibited silicon-carbon composite anode material with increased capacitance includes nanocrystallization of a silicon material to obtain a primary nano-silicon material in a protective environment, self-assembling the primary nano-silicon material with a first carbon source and a macromolecular polymer, and then adding a second carbon source for the self-assembly to obtain a secondary nano-silicon material with a layered structure. The method further includes granulating the secondary nano-silicon material to obtain a precursor, and sintering the precursor to obtain the silicon-carbon composite anode material. The method is simple and easy to control, and is tailored to industrial production. A battery with the silicon-carbon composite anode material on an anode electrode is also disclosed.

Abstract: A method for manufacturing a shade sheet with a predetermined light transmittance includes the following steps: providing knitted fabric with a plurality of pores, dipping the fabric in coating, pressing the fabric socked by the coating, blowing off the coating within the pores to reveal the pores, and baking the fabric stuck with the coating to form and set a shade sheet. The shade sheet is of a predetermined light transmittance because it has a plurality of pores therein.

Abstract: A slat piece for Venetian blinds is provided. The slat piece includes a substrate having a front surface having a first longitudinal edge, a second opposite longitudinal edge, and a first, a second and a third adhesive areas and a back surface. The first adhesive area extends along a portion of the front surface that is adjacent to the first longitudinal edge, the third adhesive area extends along a portion of the front surface that is adjacent to the second longitudinal edge, and the second adhesive area extends between the first and third adhesive areas on the front surface and divides the front surface into a first and a second empty areas that do not include adhesive.

Abstract: A digital control wet heating type of electric blanket for heating air, comprised of a mattress containing a tenacious, air permeable cotton cloth consistently paved with hearing wires, cotton strip on the heating wires, a compression strip passing through the cotton fabric to compress the cotton strip on the heating wires, multiple temperature sensors provided between cotton fabric and cotton strip, a temperature protection circuit disposed to the heating wires, signals from sensor and protection circuit being externally connected to a digital control box; and the mattress being sealed and placed into a surface fluffed flannelette cover.

Abstract: A clamping type tool bit storage device includes a clamping member which has a mount segment that extends angularly about a centerline, and right and left jaw portions that are spaced apart from each other, and which is made from plastic or rubber material such that the jaw portions are vested with a biasing force that urges the same towards each other, and a plurality of retaining members which are disposed on the mount segment for retaining tool bits therein. Each retaining member defines an access line parallel to the centerline such that the tool bit retained therein is oriented along the access line to permit convenient removal therefrom.

Abstract: An apparatus adapted to be activated by an input device for accessing a function code in a telephone comprises a first memory for storing a function code, a second memory electrically connected to the first memory for storing a datum corresponding to the function code, and an address decoder electrically connected to the input device and the second memory for decoding a signal generated from the input device and designating thereby an address to access at least one of the function code and the datum, wherein the function code stored in the first memory and the datum stored in the second memory are accessible by same the address. This apparatus effectively reduces the number of the keys required on a keypad of a telephone and is provided for a simplified operation.

Abstract: A device for detecting an operation state of a telephone hook switch in a telephone includes a timer, a controlling circuit, a counter and a table electrically interconnected. According to the present invention, the abnormal signals generated by the hook switch cannot be accepted by an exchange or even if the signals are accepted by the exchanger, the mute function of the telephone will be utilized to make the users unable to listen to each other.