Discharging batteries

A technology for batteries and battery packs, which is applied in secondary battery charging/discharging, battery circuit devices, charging and maintenance charging/discharging, etc., can solve problems such as low discharge efficiency, increase discharge efficiency, reduce environmental waste, and prolong battery life. effect of life

Inactive Publication Date: 2012-01-04
XTREME POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Discharging batteries
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Examples

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[0023] figure 1 An example of the charging / discharging system 100 is shown. The charging / discharging system 100 includes a charging / discharging module 102, sensor modules 104A, 104B, and a control module 106, and the charging / discharging system 100 is connected to the battery pack 200. Although the battery pack 200 shown includes two batteries 201A, 201B connected in parallel, the system 100 may be connected to a single battery or multiple batteries connected in series, parallel, or some combination thereof. The batteries 211B and 221B can be of common types, depending on the desired application, operating environment and cost, including, for example, sealed lead-acid batteries, Ni-Cad batteries, NiMH batteries, Li-polymer batteries, or Li-ion batteries, or any other suitable Battery. In addition, the batteries 211B and 221B may be single-cell batteries or multi-cell batteries. For example, in one example, the sealed lead-acid battery 211B, 221B may include a single 1.5 volt c...

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Abstract

Discharging a battery (201A, 201B) is accomplished by: applying an electrical stimulus to the battery; measuring a response to the electrical stimulus, the measured response providing an indication of discharge efficiency of the battery; determining a target frequency corresponding to a maximum discharge efficiency; and then discharging the battery (201A, 201B) with a discharge current profile comprising current pulses having a frequency component selected based on the determined target frequency.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 61 / 151,002, filed February 9, 2009, which is hereby incorporated by reference. technical field [0003] The present invention relates to discharging batteries and batteries to be discharged simultaneously, such as batteries comprising a plurality of batteries or cells interconnected by conductors in series and / or parallel configurations. Background technique [0004] Direct current storage devices, such as lead-acid or lithium-ion batteries, are capable of storing and releasing energy for use in a variety of applications including electric vehicles, portable power supplies, and alternative energy power systems. When using batteries to store energy, it is desirable to be able to charge and discharge the batteries as efficiently and as quickly as possible. However, discharging a battery too quickly can reduce its capacity in amp-hours and can lead to hig...

Claims

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Application Information

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IPC IPC(8): H01M10/44
CPCH01M10/44H02J1/00Y02E60/12H02J7/0069H02J7/00711H02J7/0071Y02E60/10H01M10/48G01R31/389
Inventor C·科恩A·赫斯特
Owner XTREME POWER
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