H01M50/00

Battery pack

In a battery pack, circuit board and thin cells are insert-molded in resin mold portion formed by a die, and are fixed to fixed positions. At least one of thin cells is disposed at a position where circuit board faces terminal surface. Terminal surfaces of thin cells and circuit board, which are interconnected, are buried in resin mold portion, thin cells are disposed on the same plane, and circuit board is integrally connected and fixed to the thin cells so as to be parallel with both surfaces of the thin cells. Thus, the thin cells are strongly interconnected via the resin mold portion, and all thin cells are disposed on the same plane without warpage.

Separator for lead acid storage battery

[Problem] A separator for a lead acid storage battery that is prevented from suffering the puncture of a separator formed of a microporous film is to be provided. [Solution] The separator includes: a microporous film having a thickness of from 0.1 to 0.3 mm as a base portion 3; plural main ribs 2a that are provided on one surface 3a of the base portion 3; and plural miniature ribs 2b that have a lower height than a height of the main ribs 2a and are provided on the other surface 3b of the base portion 3, and the plural miniature ribs 2b are provided in a linear form with an inter-rib distance P, which is a distance between facing surfaces of the adjacent miniature ribs 2b, of less than 1.9 mm.

Battery pack
11145929 · 2021-10-12 · ·

A battery pack including a housing having a longitudinal axis, a first surface, and a second surface, electrical terminals positioned within the housing and configured to engage and electrically couple with electrical terminals of a power tool, and a latch mechanism including an actuator that is movable within an aperture in the first surface and a latch member movable within an aperture in the second surface. The latch member includes a first latch portion having a first inclined surface and a second latch portion having a second inclined surface that intersects the first inclined surface. The actuator is depressible to retract the latch member within the housing.

Method of forming a package

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.

Pluggable Module Connector and Method for Electrically Conductively Connecting At Least Two Battery Modules
20210265750 · 2021-08-26 ·

The present disclosure relates to a plug-in module connector or the electrically conductive connection of at least two battery modules, including a flexible busbar for the electrically conductive connection of respective poles of the battery modules, the busbar enabling tolerance compensation with respect to the poles in the transverse direction of the module connector; two retaining clamps for gripping the busbar and one of the respective poles of the battery modules, the retaining clamps enabling tolerance compensation with respect to the poles in the longitudinal direction and vertical direction of the module connector; an insulation housing in which the retaining clamps plugged onto the busbar can be received. Furthermore, the present disclosure also concerns a method for the electrically conductive connection of at least two battery modules by means of a plug-in module connector.

Gas-Duct with A Sound Absorbing Component
20210293449 · 2021-09-23 ·

The present teachings relate generally to a gas-duct whose channel body is manufactured from a plastic material, wherein the channel body has at least one region replaced by a sound absorbing component being made at least partially from at least one non-woven layer. The present invention further relates to a HVAC- and Battery- and/or battery-charge-system and to a method of producing a gas-duct.

Energy storage device electrode, energy storage device, and method for manufacturing energy storage device electrode
11128019 · 2021-09-21 · ·

One aspect of the present invention is directed to an energy storage device electrode including a conductive electrode substrate including a main body and at least one plate-shaped tab and an insulating layer coating a surface and a side surface of a base end of the tab.

Method for producing nonaqueous electrolyte secondary battery separator
11121431 · 2021-09-14 · ·

The present invention provides, as a separator having both a sufficient level of safety and sufficient strength, a nonaqueous electrolyte secondary battery separator including a polyolefin porous film, the nonaqueous electrolyte secondary battery separator being arranged such that in regard to a surface of the nonaqueous electrolyte secondary battery separator, a product obtained by multiplying (a) a difference between a surface roughness in a machine direction obtained by a contact measurement and a surface roughness in the machine direction obtained by a non-contact measurement by (b) a difference between a surface roughness in a transverse direction obtained by a contact measurement and a surface roughness in the transverse direction obtained by a non-contact measurement is not less than 0.0020 and not more than 0.0280.

Prismatic secondary battery and method for manufacturing same

A prismatic secondary battery includes an electrode body having a positive electrode plate and a negative electrode plate, a prismatic outer casing accommodating the electrode body, a sealing plate sealing the opening of the prismatic outer casing, a negative electrode terminal attached to the sealing plate, and a negative electrode collector electrically connecting the negative electrode plate and the negative electrode terminal. An insulating member is disposed between the sealing plate and the negative electrode terminal. An insulating sheet is disposed between the sealing plate and the negative electrode collector. The insulating member and the insulating sheet are disposed so as to overlap with each other in a direction perpendicular to the sealing plate.

Rechargeable battery
11075434 · 2021-07-27 · ·

A rechargeable battery according to an exemplary embodiment of the present invention includes: an electrode assembly including uncoated region tabs that protrude toward one side of a coated portion; a case having a first length set in a first direction to receive the electrode assembly; a cap plate having a second length set in a second direction that crosses the first direction and a third length that is shorter than the first length and set in a third direction that crosses the second direction so as to be coupled corresponding to an opening of the case; an electrode terminal that is provided in a terminal hole of the cap plate; and a current collecting member that is disposed between the cap plate and the electrode assembly to connect the electrode terminal and the uncoated region tabs, and includes a fuse in a corresponding region of the electrode terminal, facing in the first direction.