2results about How to "Reduce thickening" patented technology

This application discloses a charging device, a charging method for a battery pack, and a charging system, including: a power input port for connecting to an external power source; a power output port for connecting to the battery pack to charge it; and a charging control unit disposed between the power input port and the power output port, for at least controlling the electrical energy output from the power output port. The charging control unit is configured to periodically output pulsed electrical energy to charge the battery pack; wherein the frequency of the pulsed electrical energy is greater than or equal to 1 Hz. Compared to constant current charging, this method can reduce battery pack polarization, decrease battery pack impedance and reduce loss of active materials, thereby delaying battery pack aging, extending battery pack lifespan, and improving long-term discharge performance. By setting the frequency of the pulsed electrical energy to be greater than or equal to 1 Hz, the polarization of the battery pack can be further reduced through a larger pulse frequency, further extending the battery pack lifespan.

This invention relates to the field of conductive materials, and more specifically, to an MXene-Ti3C2T x The preparation method, composite material, and application of the conductive agent include the following steps: Ti3AlC2 MAX phase ceramic powder is added to an etching solution and reacted at 0–60°C for 5–48 hours. The mixture is washed with water until neutral, centrifuged, and a slurry is obtained. A polar organic solvent is added to the slurry, and the mixture is ultrasonically treated to obtain a suspension. The suspension is freeze-dried to obtain the conductive agent. This conductive agent utilizes metallic conductive two-dimensional MXene to directly construct a conductive framework, combining the functions of conductive support and interface regulation. The MXene sheets not only provide electron transport but also improve the interfacial compatibility between the silicon anode and the solid electrolyte through their flexibility and surface functional groups, suppressing interfacial cracking and side reactions.