Abstract: The present application relates to a low-voltage lithium battery, including a circuit assembly, a middle plastic frame, a wound battery core assembly, a metal housing and an insulating sheath, wherein the circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a positive copper ring and a negative copper ring, the positive copper ring is electrically connected with the outer conductive cap, the negative copper ring is electrically connected with the metal housing, a back surface of the PCB is provided with a high-voltage input copper ring, the high-voltage input copper ring is electrically connected with the inner conductive cap, a positive tab of the wound battery core assembly is electrically connected with the inner conductive cap, and a negative tab is electrically connected with the metal housing.

Abstract: The present application discloses a preparation method, apparatus, device and medium for a No. 5 lithium-ion battery. The method includes: preparing a battery cell; selecting a steel material and stamping it to obtain an upper steel shell of the battery; determining bending parameters of the spring sheet based on user requirements and attribute parameters of the spring sheet; assembling a PCB board and the upper steel shell based on the bending parameters, bending a negative spring sheet on a side of the PCB board downwards, and bending a positive spring sheet at a bottom of the PCB board downwards, thus obtaining a complete step-down charging terminal; fitting the complete step-down charging terminal onto the battery cell to obtain a semi-finished product; and fixing the semi-finished product by roller pressing, and covering an insulating film on an outside of the semi-finished product to obtain a finished product of the battery.

Abstract: The present application relates to a 1.5V lithium battery and a manufacturing method thereof; the 1.5V lithium battery includes a circuit assembly, a plastic middle frame, a wound battery core assembly, a metal housing and an insulating sheath, wherein the circuit assembly, the plastic middle frame and the wound battery core assembly are sequentially arranged in the metal housing from top to bottom; a rolling groove is inwardly provided in an upper portion of the metal housing, a spun edge is inwardly provided at a top of the metal housing, the wound battery core assembly is limited at a bottom of the metal housing by the rolling groove, the plastic middle frame is limited between the rolling groove and the spun edge to realize sealing between the plastic middle frame and the metal housing, and the circuit assembly is arranged on the plastic middle frame.

Abstract: The present application relates to a voltage drop circuit assembly of a lithium battery and a 1.5V lithium battery. The voltage drop circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a positive copper ring and a negative copper ring, the positive copper ring is electrically connected with the outer conductive cap, the outer conductive cap is used as a low-voltage output positive electrode, the negative copper ring is used as a common negative electrode, a back surface of the PCB is provided with a high-voltage input copper ring, the high-voltage input copper ring is electrically connected with the inner conductive cap, and the inner conductive cap is used as a high-voltage input positive electrode.

Abstract: The present application relates to a voltage-reduced lithium battery and a manufacturing method thereof. The voltage-reduced lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, an insulating seal and an insulating sheath, wherein the circuit assembly and the plastic frame are arranged in the first metal housing, the wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing are in vertical butt connection and fixed by circumferential welding, the insulating seal is configured to seal the second metal housing, and the insulating sheath covers the first metal housing and the second metal housing.

Abstract: The present application relates to a 1.5V lithium battery. The lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, a first insulating seal and an insulating sheath. The wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing dock with each other and fixed by circumferential welding, and the circuit assembly includes a PCB, a low-voltage positive cap, a high-voltage positive connecting piece and a negative elastic piece. In the present application, the circuit assembly can stably output a low voltage of 1.5V.

Abstract: This application provides a card sharing method, an electronic device, and a communications system. The method includes: displaying an interface of a first application in response to a first operation of a user, where a first card is displayed on the interface of the first application, the first card includes a first card module and a second card module, and interface resources of the first card are provided by a second application; sending a second message to a third application in response to a second operation of the user, where the second operation is associated with the first card module, and the second message includes an identifier of the first card module; and displaying an interface of the third application, where the first card module is displayed on the interface of the third application, and interface resources of the first card module are provided by a fourth application.

Abstract: A card rendering method includes that an electronic device sends a request for obtaining related information of a target card to a server, and receives related information that is of a target card and that is sent by the server. The electronic device renders the target card based on a first layout snapshot, displays the target card on a display screen, parses a first file package set of the target card to obtain a second rendering instruction set, selects a rendering instruction in the second rendering instruction set other than a first rendering instruction set, renders again the target card according to the selected rendering instruction, and updates the target card displayed on the display screen.

Abstract: This application provides a card sharing method, an electronic device, and a communications system. The method includes: displaying an interface of a first application in response to a first operation of a user, where a first card is displayed on the interface of the first application, the first card includes a first card module and a second card module, and interface resources of the first card are provided by a second application; sending a second message to a third application in response to a second operation of the user, where the second operation is associated with the first card module, and the second message includes an identifier of the first card module; and displaying an interface of the third application, where the first card module is displayed on the interface of the third application, and interface resources of the first card module are provided by a fourth application.

Abstract: A card rendering method includes that an electronic device sends a request for obtaining related information of a target card to a server, and receives related information that is of a target card and that is sent by the server. The electronic device renders the target card based on a first layout snapshot, displays the target card on a display screen, parses a first file package set of the target card to obtain a second rendering instruction set, selects a rendering instruction in the second rendering instruction set other than a first rendering instruction set, renders again the target card according to the selected rendering instruction, and updates the target card displayed on the display screen.