Energy storage apparatus

• Main Authors: Yamamoto, Yuta, Kawata, Masao, Hoshino, Motoki, Machida, Jun
• Format: Patent
• Language: English
• Published: 07.05.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

Provided is an energy storage apparatus where a cooling fluid minimally leaks to the outside from a passage formed between an outer spacer and an energy storage device. The energy storage apparatus includes: an energy storage device; an outer spacer arranged adjacently to the energy storage device; and an end plate arranged such that the outer spacer is sandwiched between the energy storage device and the end plate, wherein the outer spacer includes: a base extending along the energy storage device, the base defining, with the energy storage device, a passage; and a seal portion projecting from the base and being in contact with the energy storage device, wherein the end plate includes a pressing portion disposed at a position corresponding to the seal portion, the pressing portion pressing the seal portion toward the energy storage device via the base.