METHOD OF MANUFACTURING BATTERY AND BATTERY

PROBLEM TO BE SOLVED: To provide a battery in which the number of construction components is reduced, and volume utilization efficiency is high with a light weight, and a manufacturing method of them.SOLUTION: A manufacturing method of a battery, includes a step of jointing a first electrode side 26 and a metal bottom part 16 of a casing with material jointing before and after a battery wounding body 24 is inserted into a metal wall part 14 of the casing, and of jointing a second electrode side 28 and a current percolation passage 32 with the material jointing after the battery wounding body is inserted into the metal wall part. The manufacturing method of the battery, includes steps of: jointing the metal bottom part and the wall part with the material jointing; jointing a metal lid part 12 and the wall part 14 with the material jointing after jointing the second electrode side and the current percolation passage with the material jointing; and initially jointing the bottom part 16 and the wall part 14 with the material jointing after jointing the first electrode side 26 and the metal bottom part 16 with the material jointing.SELECTED DRAWING: Figure 3 【課題】構成部品点数を少なくし、軽量で容積利用効率の高い電池とその製造方法を提供する。【解決手段】ケーシングの金属の壁部分１４に電池巻回体２４を挿入する前後に第１電極側２６とケーシングの金属の底部分１６とを材料結合により接合し、電池巻回体を金属の壁部分に挿入した後に第２電極側２８と電流貫流路３２とを材料結合で接合するステップを含み、金属の底部分と壁部分とを材料結合により接合し、第２電極側と電流貫流路とを材料結合により接合した後に金属の蓋部分１２と壁部分１４とを材料結合で接合し、第１電極側２６と底部分１６とを材料結合で接合した後初めて底部分１６と壁部分１４との材料結合による接合を行う電池の製造方法。【選択図】図３