McDermott Will & Emery LLP
Battery pack
A battery pack comprising a lithium ion secondary battery and a current interrupting device for protecting the secondary battery, the secondary battery comprising positive and negative electrodes, a separator interposed between the positive and negative electrodes and a non-aqueous electrolyte, the current interrupting device comprising a recoverable device and a non-recoverable device, the recoverable and non-recoverable devices being connected in series with each other, and the non-recoverable device having an operating temperature of not less than 90° C. and less than 150° C.
Matsushita Electric Industrial Co., Ltd.
H H Y H H H H H
H01M H01M Y02E H01M H01M H01M H01M H01M
additional inventional additional inventional additional inventional inventional additional
Koji Katsuyuki Hiroshi Shinji
Saito Shirasawa Yoshizawa Ohta