B29L2031/7146

METHOD OF FORMING A PACKAGE
20200067031 · 2020-02-27 ·

A method of forming a package is provided and includes providing two laminate edge portions of the package, each of which includes a foil layer between first and second resin layers; and welding together the respective first resin layers at a first position spaced apart from the edges while not welding the respective first resin layers at the edges, wherein the edge portions include edges from which electrode terminals extend such that portions of the electrode terminals are exposed beyond the edges, and wherein the edge portions are between a sealing portion and exposed portions of positive and negative electrode terminals.

Method of molding thermoplastic resin material
10569463 · 2020-02-25 · ·

A method of molding a thermoplastic resin material includes: a first molding step in which a second mold that, with a first mold, nips and presses the thermoplastic resin material and molds a product, is divided into plural sections, and one section at the divided second mold is structured so as to be able to enter into and exit from another section, and the one section is made to protrude-out with respect to the another section, and, at the one section, the thermoplastic resin material is pressed, and a portion of the product is molded; and a second molding step in which, after the first molding step, the one section is retracted into the another section, and, at the another section, the thermoplastic resin material is pressed, and a remaining portion of the product is molded.

Sealing apparatus of pouch-type secondary battery
10547034 · 2020-01-28 · ·

Provided is a sealing apparatus of a pouch-type secondary battery, capable of preventing electrolyte leakage by constantly positioning a lead on a sealing groove so as to completely seal the secondary battery. A sealing apparatus according to the present disclosure is a sealing apparatus of a pouch-type secondary battery which seals a pouch case in which an electrode assembly is installed. The sealing apparatus includes upper and lower sealing blocks, wherein at least one sealing block of the upper and lower sealing blocks has a sealing groove having a slanted step portion which is formed at a position corresponding to the lead of the pouch-type secondary battery and a lead guide for seating the lead on the sealing groove is installed in front of the sealing block.

METHOD FOR MANUFACTURING LOWER HOUSING OF BATTERY PACK
20200020997 · 2020-01-16 ·

A method for manufacturing a lower housing of a battery pack having an embedded cooling pipe comprises the steps of: preparing a cooling pipe, which protrudes to the outside of the lower housing so as to be insert-connected to an external quick connector, includes a locking protrusion having a first outer diameter at a quick connector insertion part to be connected to the quick connector, and a second outer diameter for enabling the protrusion to be fixed to the quick connector in the inward direction in a first length at the end of the quick connector insertion part, and has a joint part which has a predetermined length and a third outer diameter corresponding to the second outer diameter in the inward direction in a second length longer than the first length at the end of the quick connector insertion part, and which is to be disposed over a cooling pipe inlet of the lower housing; preparing a slider including one or more pipe insertion parts having inner diameters corresponding to the third outer diameter of the joint part; inserting the quick connector insertion parts of the cooling pipes into the pipe insertion parts of the slider; coupling a lower housing mold to the cooling pipe; forming the lower housing by using the lower housing mold; and removing the slider and the lower housing mold.

Battery Cell Including Sealed Portion Having Embossed Pattern Formed Thereon and Sealing Block for Manufacturing the Same
20240097245 · 2024-03-21 · ·

The present invention relates to a battery cell including a pouch-shaped battery case configured to receive an electrode assembly therein. The pouch-shaped battery case is provided at an outer periphery thereof surrounding an electrode assembly receiving portion with a sealed portion, and an embossed pattern is formed on the sealed portion in all directions. Thus, it is possible to increase sealing force of a pouch-shaped battery cell without the addition of a separate battery cell manufacturing process.

COMPONENT, METHOD FOR PRODUCING A COMPONENT, AND ASSEMBLY
20240066811 · 2024-02-29 · ·

The aim of the invention is to provide a particularly planar component that is as simple as possible to produce and has an optimized stability. In order to achieve said aim, a component is proposed which comprises or is formed from a polymer matrix material and at least one non-compressible filler, wherein an average proportion of the at least one non-compressible filler is preferably approximately 75 wt. % or more, based on the total mass of the component and/or based on a local mass of the component in a locally compacted region of the component, wherein the component has one or more attachment regions for attaching the component to an additional component, and wherein a material of the component is compressed at least in the one or more attachment regions.

BATTERY SHELL COMPRISING A REINFORCING NONWOVEN, METHOD OF PRODUCTION AND TRACTION BATTERY
20240063480 · 2024-02-22 ·

A battery shell includes a reinforcing nonwoven with long fibers and a polymer matrix.

Sealing device for secondary battery
11897207 · 2024-02-13 · ·

The present invention relates to a sealing device for a secondary battery. The sealing device is configured to seal a battery case accommodating an electrode assembly therein to manufacture the secondary battery, the sealing device including a sealing block configured to press a sealing portion of the battery case, a flatness adjusting part configured to adjust a flatness of a pressing surface of the sealing block, and a heater part configured to transfer heat to the sealing block to thermally fuse the sealing portion of the battery case when the sealing portion is pressed by the sealing block.

METHOD OF PRODUCING AN ENCAPSULATED BATTERY CELL
20240113373 · 2024-04-04 ·

A method of producing an encapsulated battery cell (1), includes: a) braiding a battery cell (1) with a fibre roving (8ba) to create a braid around the battery cell (1); b) impregnating the braid with a resin material (8ad); and c) curing the resin material (8ad).

Free-Folding Apparatus for Pouch-Type Batteries

A pre-folding apparatus for a pouch-type battery includes: a main frame, a rib, a pusher support portion, and a pusher. The main frame includes a pair of columns and a horizontal bar configured to connect upper portions of the columns. The rib installed to be fixed across the pair of columns under the horizontal bar has a forming protrusion whose upper end is flat. The pusher support portion disposed above the rib includes a linear driving portion configured to move the pusher support portion in a vertical direction along the columns. Finally, the pusher installed at the pusher support portion is aligned with the forming protrusion.