发明名称 Battery pack including gas absorption portion
摘要 A battery pack comprising: a secondary battery including a safety valve; a gas absorption portion including a gas absorbent represented by zeolite and a container hermetically enclosing the gas absorbent; and a case housing the secondary battery and the gas absorption portion. The safety valve is configured to discharge a gas produced in the secondary battery at the time of abnormality. The container includes a principal surface facing the safety valve, for example, and when the gas is discharged, the container is unsealed by rupturing of at least the principal surface of the container by an effect of heat or pressure of the gas.
申请公布号 US9337454(B2) 申请公布日期 2016.05.10
申请号 US201113643830 申请日期 2011.11.04
申请人 Panasonic Intellectual Property Management Co., Ltd. 发明人 Yokoyama Tomohiko;Fujikawa Masato;Yuasa Akiko
分类号 H01M2/12;H01M2/10 主分类号 H01M2/12
代理机构 McDermott Will & Emery LLP 代理人 McDermott Will & Emery LLP
主权项 1. A battery pack comprising: a secondary battery including a safety valve; a gas absorption portion including a gas absorbent and a container hermetically enclosing the gas absorbent; and a case housing the secondary battery and the gas absorption portion, wherein the safety valve is configured to discharge a gas produced in the secondary battery upon occurrence of an abnormality, and the container is configured so as to open when the gas discharged from the secondary battery contacts the container, and wherein the gas absorption portion and the secondary battery do not come in contact with each other, and an inside of the case is in a hermetically sealed condition.
地址 Osaka JP