| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electrolyte injection device and a method which allow for visualization of the permeability and impregnation state of an electrolyte in the battery container of a secondary battery in the subsequent inspection process, without affecting the productivity or the performance of a product.SOLUTION: An electrolyte injection device 1 includes a sealed container (chamber 11), and a fixed base 21 arranged in the sealed container and holding a battery container (battery cell 12). Furthermore, the electrolyte injection device 1 includes electrolyte supply means for injecting the electrolyte into the battery container, a vacuum pump 15 for bringing the interior of the sealed container into high vacuum state, and rare gas introduction means for supplying rare gas into the sealed container.</p> |
