LAMINATION TYPE BATTERY AND MANUFACTURING METHOD OF LAMINATION TYPE BATTERY

To reduce the cost of manufacture of lamination type battery, while improving performance and reliability.SOLUTION: A lamination type battery comprises multiple first electrode plates 10, multiple second electrode plates 20 laminated alternately with the first electrode plates 10 in the lamination direction dL, a first tub 4X electrically connected with the first electrode plates 10, and a second tub 4Y electrically connected with the second electrode plates 20. Each of the multiple first electrode plates 10 has a first electrode collector 11 including an effective region a1 and a connection region b1 contiguous to the effective region a1, and a first electrode active material layer 12 laminated on the effective region a1 of at least one face of the first electrode plate 10. The connection regions b1 of the multiple first electrode plates 10 are superposed on the first tub 4X, interconnected electrically, and the first electrode collector 11 of at least one first electrode plate 10 is wrapped on the first tub 4X, so as to cover at least another first electrode collector 11.SELECTED DRAWING: Figure 3 【課題】積層型電池の製造コストを低減するとともに、性能および信頼性を向上させる。【解決手段】複数の第１電極板１０と、第１電極板１０と積層方向ｄＬに交互に積層された複数の第２電極板２０と、第１電極板１０と電気的に接続した第１タブ４Ｘと、第２電極板２０と電気的に接続した第２タブ４Ｙと、を備えている。複数の第１電極板１０の各々は、有効領域ａ１と有効領域ａ１に隣接する接続領域ｂ１とを含む第１電極集電体１１と、第１電極板１０の少なくとも一方の面の有効領域ａ１に積層された第１電極活物質層１２と、を有している。複数の第１電極板１０の接続領域ｂ１は、第１タブ４Ｘ上に重ねられて、互いに電気的に接続し、少なくとも一つの第１電極板１０の第１電極集電体１１は、少なくとも一つの他の第１電極集電体１１を覆うように、第１タブ４Ｘ上で折り返されている。【選択図】図３