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1. 发明申请

WO2017005904A1 SYSTEM FOR PROVIDING AN EXCITATION SIGNAL TO AN ELECTROCHEMICAL SYSTEM AND METHOD THEREFOR 审中-公开
标题翻译：用于向电化学系统提供激励信号的系统及其方法
公开(公告)号：WO2017005904A1
公开(公告)日：2017-01-12
申请号：PCT/EP2016/066287
申请日：2016-07-08
申请人： LITHIUM BALANCE A/S
发明人： CHRISTENSEN, Andreas Elkjær , MOSBÆK, Rasmus
IPC分类号： G01R31/36
CPC分类号： G01R31/3662 , G01N27/26 , G01R31/007
摘要： The invention provides a system (10) for providing an excitation signal to an electrochemical system (50) for use in Electrochemical Impedance Spectroscopy diagnostics on the electrochemical system (50), the electrochemical system (50) being connectable to the system (10) and the system (10) comprising: a power stage (12), such as a charger, connectable to the electrochemical system (50) for supplying electrical energy to the electrochemical system (50), and/or connectable to the electro- chemical system (50) for withdrawing electrical energy from the electrochemical system (50), and an Excitation Generation Unit (16) comprised by the power stage (12) or operatively connected to the power stage (12). The Excitation Generation Unit (16) is adapted for instructing the power stage (12) to generate an excitation signal for use in the Electrochemical Impedance Spectroscopy diagnostics, and the power stage (12) is adapted for generating the excitation signal and supplying the excitation signal to the electrochemical system (50) when so instructed by the Excitation Generation Unit (16). A method for providing an excitation signal to an electrochemical system (50) using the system (10) is also provided.
摘要翻译：本发明提供了一种用于向电化学系统（50）提供激发信号的系统（10），用于电化学系统（50）上的电化学阻抗谱图诊断，电化学系统（50）可连接到系统（10）和所述系统（10）包括：能够连接到所述电化学系统（50）的用于向所述电化学系统（50）供应电能的功率级（12），例如充电器，和/或可连接到所述电化学系统用于从电化学系统（50）中抽出电能的激励发生单元（16），以及由功率级（12）组成或可操作地连接到功率级（12）的激励发电单元（16）。激励发生单元（16）适于指示功率级（12）产生用于电化学阻抗谱诊断中的激励信号，功率级（12）适于产生激励信号并提供激励信号当由激励发生单元（16）指示时，到电化学系统（50）。还提供了使用系统（10）向电化学系统（50）提供激发信号的方法。

2. 发明申请

WO2016012922A1 ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY IN BATTERY MANAGEMENT SYSTEMS 审中-公开
标题翻译：电池管理系统中的电化学阻抗谱
公开(公告)号：WO2016012922A1
公开(公告)日：2016-01-28
申请号：PCT/IB2015/055441
申请日：2015-07-17
申请人： LITHIUM BALANCE A/S
发明人： CHRISTENSEN, Andreas Elkjær , MOSBÆK, Rasmus
IPC分类号： G01R31/36
CPC分类号： G01R31/3679 , B60L11/1857 , B60L11/1859 , B60L11/1861 , B60L11/1866 , B60L11/1879 , G01R31/3662 , H02J7/0047
摘要： The invention pertains to a method of determining the State of Health (SoH) and/or State of Charge (SoC) of a rechargeable battery during use of said battery, the method comprising the steps of: generating a first excitation signal within a first selected frequency range, generating a second excitation signal within a second selected frequency range, applying said first and second excitation signals on said rechargeable battery, measuring the response signal for each of said two excitation signals, and then calculate the Electrochemical Impedance (El) as the ratio between the excitation signals and respective response signals, and then determine the SoH and/or SoC of the rechargeable battery by comparing the calculated El to a circuit model for the battery and/or determining the SoH and/or SoC of the rechargeable battery by directly evaluating characteristics of the El. The invention also pertains to a battery management system configured for executing the steps of the method according to the invention.
摘要翻译：本发明涉及在所述电池使用期间确定可再充电电池的健康状况（SoH）和/或充电状态（SoC）的方法，所述方法包括以下步骤：在第一选定的第一选择中产生第一激励信号在第二选定频率范围内产生第二激励信号，在所述可再充电电池上施加所述第一和第二激励信号，测量所述两个激励信号中的每一个的响应信号，然后计算电化学阻抗（E1）为激励信号和各个响应信号之间的比率，然后通过将计算的El与电池的电路模型进行比较和/或通过将电池的SoH和/或SoC确定可再充电电池的SoH和/或SoC来确定可再充电电池的SoH和/或SoC 直接评估El的特点。本发明还涉及配置成执行根据本发明的方法的步骤的电池管理系统。

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