Title:
組電池の異常診断装置および方法
Document Type and Number:
Japanese Patent JP4019815
Kind Code:
B2
Abstract:
In a battery pack which includes a plurality of parallel blocks, each of which comprises a plurality of cells connected in parallel, and which are themselves connected in series, the voltage of each parallel block of the battery pack before and after discharge or before and after charge of a predetermined amount of capacity is detected, and abnormality of the cells connected in parallel within each parallel block is determined based upon the amount of change of voltage of each parallel block.
Inventors:
Tomonaga Sugimoto
Application Number:
JP2002185807A
Publication Date:
December 12, 2007
Filing Date:
June 26, 2002
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
H01M10/48; B60L3/00; G01R31/36; H02J7/00; H02J7/02; G01R31/00
Domestic Patent References:
| JP2000092732A | ||||
| JP9329651A | ||||
| JP2001186669A | ||||
| JP2000048861A |
Attorney, Agent or Firm:
Fuyuki Nagai