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Battery pack and operational approach thereof, and idle stop and startup system comprising same

A technology of battery management system and battery pack, which is applied in electric vehicles, transportation and packaging, battery overcharge protection, etc., and can solve problems such as short life

Inactive Publication Date: 2013-10-23
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the charge and discharge characteristics of the lead storage battery deteriorate under the ISG system due to repeated engine stops or restarts, and thus, have a short lifespan

Method used

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  • Battery pack and operational approach thereof, and idle stop and startup system comprising same
  • Battery pack and operational approach thereof, and idle stop and startup system comprising same
  • Battery pack and operational approach thereof, and idle stop and startup system comprising same

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Embodiment Construction

[0035] Hereinafter, specific embodiments of the present invention will be described more fully with reference to the accompanying drawings. The embodiments will be described in detail so that those skilled in the art can easily implement and use the present invention. It should be understood that the embodiments of the invention may vary, but are not necessarily mutually exclusive. For example, specific shapes, structures and properties according to the embodiments described in this specification may be modified in other embodiments without departing from the spirit and scope of the present invention. In addition, the location or arrangement of individual components of each embodiment may also be modified without departing from the spirit and scope of the present invention. Therefore, the following detailed description should not be interpreted in a limiting sense, but should be interpreted as including the scope of the claims and any equivalent scope thereof. In the drawing...

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Abstract

A battery pack comprises a battery module and a battery management system for controlling charging and discharging of the battery module via an external terminal, wherein the battery management system is arranged to limit a state of charge of the battery module to be within a charging and discharging range between a charging limit and a discharging limit, the battery pack further comprising a sensor unit for detecting swelling in the battery module, wherein the battery management system is arranged to limit the state of charge of the battery module in response to the detection of swelling in the battery module.

Description

technical field [0001] One or more embodiments of the invention relate to a battery pack. Background technique [0002] Generally, secondary batteries are rechargeable, unlike primary batteries. Depending on the type of external device to which the secondary battery is applied, the secondary battery may be used as a single battery or in a battery module in which a plurality of batteries are combined as a unit. [0003] According to a conventional technique, a lead storage battery is used as a power source for starting an engine. Recently, an Idle Stop & Go (ISG) system has been applied to an engine to improve fuel efficiency, and the use of the ISG system is gradually increasing. A power source supporting the ISG system (ie, idle speed limiting device) should maintain strong charging and discharging characteristics to satisfy high output required for engine starting and frequent starting, and should have a long life. However, the charge and discharge characteristics of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18H01M10/42H01M10/44
CPCY02T10/7044Y02T10/7061Y02T90/14B60L11/1816Y02T90/121H02J7/0029B60L3/0046B60L11/1859B60L11/1866Y02T10/7005B60L11/1868B60L11/1861H02J7/044Y02T10/7066B60L3/0092H02J7/048H02J2007/004H02J7/027B60L11/1872B60L2240/545H02J7/0031B60L11/1862H02J2007/0037Y02T10/7088B60L3/04B60L58/14B60L58/13B60L58/22B60L58/20B60L58/25B60L58/15H02J7/00302H02J7/00716H02J7/00719H02J7/00306H02J2310/48Y02T10/70H02J7/04H01M50/572Y02T10/7072H02J7/007192H02J7/00711Y02E60/10
Inventor 朱利亚金贤金锡谦禹锡均
Owner SAMSUNG SDI CO LTD
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