A method is disclosed for producing a battery with a metallic housing and an electrical insulation layer covering the outside of the housing. The method includes: providing a metallic housing or housing part for a battery; corona treating the outside of the housing or of the housing part, with simultaneous extraction of the gases and particles which arise; and applying the electrical insulation layer onto the treated outside of the housing or housing part.

The present disclosure provides a cell and a preparation method thereof. The cell comprises a positive electrode plate (1); a negative electrode plate (2) and a composite solid electrolyte membrane (3) positioned between the positive electrode plate (1) and the negative electrode plate (2). The composite solid electrolyte membrane (3) comprises inorganic solid electrolyte layers (31) and structure supporting layers (32) which are alternately laminated along a laminating direction (D), and has abutted surfaces (S1) respectively abutting against the positive electrode plate (1) and the negative electrode plate (2), an angle between the laminating direction (D) and the abutted surface (S1) is defined as , and 0<90. The composite solid electrolyte membrane not only plays an advantage of a high lithium ionic conductivity of the inorganic solid electrolyte, but also has an excellent mechanical processing property, thereby significantly improving electrochemical performance and safety performance of the cell.

A battery system having a bladed fuse connector and a method of operation of the bladed fuse connector are provided. The system may, in certain embodiments, include a printed circuit board (PCB) and a high current interconnect. The high current interconnect may be mounted to and extending upward from the PCB. The battery system may also include a fuse. The fuse may limit an amount of current flowing through the battery system. Additionally, the battery system may include a bladed fuse connector coupled between the high current interconnect and the fuse. The bladed fuse connector may carry a current between the high current interconnect and the fuse. To that end, the bladed fuse connector may include an S-shaped bend between the high current interconnect and the fuse.

A battery module includes a housing, a plurality of battery cells disposed in the housing, and a printed circuit board (PCB) assembly disposed in the housing. The PCB assembly includes a PCB and a shunt disposed across a first surface of the PCB. A second surface of the shunt directly contacts the first surface of the PCB, and the shunt is electrically coupled between the battery cells and a terminal of the battery module.

A method of manufacturing a battery module for use in a vehicle is presented. The method may include disposing battery cells into a lower housing and disposing a lid assembly over the battery cells. The lid assembly may include a lid and bus bar interconnects disposed on the lid. The method may also include disposing a printed circuit board (PCB) assembly onto the lid assembly and electrically coupling portions of the lid assembly, portions of the PCB assembly, and the battery cells to each other.

A printed circuit board (PCB) assembly includes a PCB and a high current interconnect mounted on the PCB. The high current interconnect is configured to electrically couple a first high current bladed component, a second high current bladed component, and a trace disposed on the PCB. The high current interconnect includes feet made of a conductive material that are coupled to the PCB. The trace is coupled to the feet via a weld.

A battery module includes a housing and battery cells disposed in the housing, each of the battery cells including two terminals. The battery module also includes bus bar cell interconnects including a first material, where each bus bar cell interconnect is configured to electrically couple two adjacent battery cells via an electrical coupling with a first terminal of one of the adjacent battery cells and a second terminal of the other adjacent battery cell, where at least one of the first and second terminals includes the first material. The battery module includes welds, each weld being disposed at a corresponding welding point to directly couple one of the bus bar cell interconnects with the corresponding at least one terminal including the first material. Each welding point is accessible for welding from a position above the battery cells when the interconnects are disposed over the battery cells.

The present invention relates to flexible thin film batteries on semiconducting surface or the conductive or insulating packaging surface of a semiconductor device and methods of constructing such batteries. Electrochemical devices may be glued to a semiconducting surface or the conductive or insulating packaging surface of a semiconductor device or deposited directly thereon. The invention also relates to flexible thin film batteries on flexible printed circuit board where the electrochemical devices may also be glued or deposited on the flexible printed circuit board.

A method for forming a bipolar solid-state battery includes preparing a mixture of gel precursor solution and solid electrolyte. The gel precursor includes a polymer, a first solvent, and a liquid electrolyte. The liquid electrolyte includes a second solvent, a lithium salt, and electrolyte additive. The method includes loading the mixture onto at least one of a first electrode, a second electrode, and a third electrode. Each of the first, second, and third electrodes includes a plurality of solid-state electroactive particles. The method includes removing at least a portion of the first solvent from the mixture to form a gel and positioning one of the first, second, and third electrodes with respect to another of the first, second, and third electrodes. The method includes applying a polymer blocker to a border of the first, second, or third electrodes.

A battery assembly can be formed on a base layer provided on a temporary process substrate, with a thin film battery stack including an anode layer, a cathode layer, and an electrolyte layer between the anode and cathode layers. The thin film battery stack can be bonded to a transfer layer, and the process substrate can be removed for assembly into a battery system.