Invention Grant
- Patent Title: Temperature elevating apparatus of secondary battery and vehicle equipped with same
- Patent Title (中): 配备二次电池和车辆的升温装置
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Application No.: US13260077Application Date: 2009-07-08
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Publication No.: US09327611B2Publication Date: 2016-05-03
- Inventor: Yuji Nishi , Hidenori Takahashi , Masatoshi Tazawa , Masanobu Matsusaka , Makoto Ishikura
- Applicant: Yuji Nishi , Hidenori Takahashi , Masatoshi Tazawa , Masanobu Matsusaka , Makoto Ishikura
- Applicant Address: JP Aichi-ken
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee Address: JP Aichi-ken
- Agency: Sughrue Mion, PLLC
- International Application: PCT/JP2009/062403 WO 20090708
- International Announcement: WO2011/004464 WO 20110113
- Main IPC: B60L11/18
- IPC: B60L11/18 ; H01M10/625 ; H01M10/637 ; H01M10/657 ; H01M2/34 ; H01M10/615 ; H01M10/613 ; H01M10/42

Abstract:
A temperature elevating apparatus of a secondary battery includes a ripple generator and a controller. Ripple generator is connected to secondary battery, and is configured to actively generate ripple current of a predetermined frequency in secondary battery. Controller controls ripple generator to elevate a temperature of the secondary battery by generating ripple current in secondary battery. Here, the predetermined frequency is set to be a frequency in a frequency region where an absolute value of an impedance of secondary battery relatively decreases based on frequency characteristics of the impedance of secondary battery.
Public/Granted literature
- US20120021263A1 TEMPERATURE ELEVATING APPARATUS OF SECONDARY BATTERY AND VEHICLE EQUIPPED WITH SAME Public/Granted day:2012-01-26
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