RECTANGULAR SECONDARY BATTERY, BATTERY MODULE, POWER STORAGE DEVICE, VEHICLE, AND FLIGHT OBJECT

• Main Authors: SHINODA TATSUYA, NEGISHI NOBUYASU
• Format: Patent
• Language: English; Japanese
• Published: 18.04.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a secondary battery whose external shape evaluation is easy, a battery module using the secondary battery, a power storage device, a vehicle, and a flight object.SOLUTION: A rectangular secondary battery 100 according to an embodiment includes an outer can 10 having a substantially rectangular bottomed cylindrical shape in cross section and having an opening, a power generation element 60 housed in the outer can 10, and a lid 20 having a positive electrode terminal 40 and a negative electrode terminal 50 and covering the opening of the outer can 10, and there are two or more convex portions on at least one of the side surfaces 11, 12, 13, and 14 of the outer surface of the outer can, the bottom surface 15 of the outer surface of the outer can 10, and the surfaces having the positive electrode terminal 40 and the negative electrode terminal 50 of the outer surface of the lid 20.SELECTED DRAWING: Figure 1 【課題】実施形態は、外形評価が容易な二次電池及び二次電池を用いた電池モジュール、蓄電装置、車両及び飛翔体を提供する。【解決手段】実施形態の角型二次電池１００は、断面形状が略四角形の有底筒状で開口部を有する外装缶１０と、外装缶１０内に収納された発電要素６０と、正極端子４０及び負極端子５０を有し、外装缶１０の開口部を覆う蓋２０と、を備え、前記外装缶の外表面の側面１１、１２、１３、１４、外装缶１０の外表面の底面１５と蓋２０の外表面の正極端子４０及び負極端子５０を有する面うちのいずれか１面以上に各２個以上の凸部が存在する。【選択図】 図１