BATTERY

In an insulating sheet, a first left-side piece portion, a second left-side piece portion, a left-side bottom piece portion, a first left-side connection portion, and a second left-side connection portion form a first communication path for communicating inside and outside of the insulating sheet…

NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY

A nonaqueous electrolyte rechargeable battery includes an electrode body, a nonaqueous electrolyte, and a rectangular box-shaped battery case accommodating the electrode body and the nonaqueous electrolyte. The electrode body includes a positive electrode including a positive base and a positive…

SECONDARY BATTERY

The present invention relates to a secondary battery, and the technical problem to be solved is to provide a secondary battery having the reduced thickness, having no thickness deviation by regions due to high dimensional accuracy, and being capable of improving the strength of a cell bottom…

BATTERY CELL

The present invention provides a battery cell capable of uniformly holding an electrode laminate and speeding up a manufacturing process. A battery cell includes an electrode laminate including positive and negative electrodes and an electrolyte layer, in which the positive and negative electrodes…

BATTERY

In an insulating sheet, a first left-side piece portion, a second left-side piece portion, a left-side bottom piece portion, a first left-side connection portion, and a second left-side connection portion form a first communication path for communicating inside and outside of the insulating sheet…

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