Abstract: The disclosure belongs to the technical field of sodium ion battery materials, and discloses a preparation method of a hard carbon anode material and use thereof. The preparation method includes the following steps of: performing first sintering on starch, crushing, and introducing air and nitrogen for secondary sintering to obtain porous hard block granules; and performing third sintering on the porous hard block granules, and then continuously warming up to perform fourth sintering to obtain the hard carbon anode material. The hard carbon anode material prepared by the disclosure has a reversible capacity of no less than 330 mAh/g, excellent cycle stability and initial coulomb efficiency.

Abstract: A wire feeding mechanism suitable for fused deposition Additive Manufacturing (AM) of a flexible wire is provided, which includes a support housing. A melting nozzle is arranged at the lower end of the support housing, a hook is connected to the inner wall of the top end of the support housing, a connecting rod is connected to the inner wall of one side of the support housing, a wire drawing mechanism is connected to one end of the connecting rod, the wire drawing mechanism is located at the lower end of the hook, a limiting mechanism and a wire guide mechanism are connected to the inner wall of one side of the support housing, the limiting mechanism is located at the lower end of the wire drawing mechanism, the wire guide mechanism is located at the lower end of the limiting mechanism.

Abstract: The present invention is a modular, energy efficient structure for housing racks of computers specifically designed for mining Bitcoin assets. The fundamental principal towards an optimized mining facility design is to decrease electricity consumption as well as effective construction budget management, ensuring only appropriate business expenditures. The side benefits including improved stability of the facility computer network and electricity supply. The design concept is carried out through a cool/hot air segregation process, which results in controllable internal facilities temperatures, dust filtration and energy savings.

Abstract: The present invention is a modular, energy efficient structure for housing racks of computers specifically designed for mining Bitcoin assets. The fundamental principal towards an optimized mining facility design is to decrease electricity consumption as well as effective construction budget management, ensuring only appropriate business expenditures. The side benefits including improved stability of the facility computer network and electricity supply. The design concept is carried out through a cool/hot air segregation process, which results in controllable internal facilities temperatures, dust filtration and energy savings.

Abstract: The present invention is a modular, energy efficient structure for housing racks of computers specifically designed for mining Bitcoin assets. The fundamental principal towards an optimized mining facility design is to decrease electricity consumption as well as effective construction budget management, ensuring only appropriate business expenditures. The side benefits including improved stability of the facility computer network and electricity supply. The design concept is carried out through a cool/hot air segregation process, which results in controllable internal facilities temperatures, dust filtration and energy savings.

Abstract: The present invention is a modular, energy efficient structure for housing racks of computers specifically designed for mining Bitcoin assets. The fundamental principal towards an optimized mining facility design is to decrease electricity consumption as well as effective construction budget management, ensuring only appropriate business expenditures. The side benefits including improved stability of the facility computer network and electricity supply. The design concept is carried out through a cool/hot air segregation process, which results in controllable internal facilities temperatures, dust filtration and energy savings.