Battery System and Method with SOC/SOH Observer
    13.
    发明申请
    Battery System and Method with SOC/SOH Observer 审中-公开
    电池系统和方法与SOC / SOH观察员

    公开(公告)号:US20130311116A1

    公开(公告)日:2013-11-21

    申请号:US13895126

    申请日:2013-05-15

    申请人: Robert Bosch GmbH

    IPC分类号: G01R31/36 H01M10/44

    摘要: An electrochemical battery system in one embodiment includes at least one electrochemical cell, a first sensor configured to generate a current signal indicative of an amplitude of a current passing into or out of the at least one electrochemical cell, a second sensor configured to generate a voltage signal indicative of a voltage across the at least one electrochemical cell, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate an estimated SOC and kinetic parameters for an equivalent circuit model of the at least one electrochemical cell by obtaining a derivative of an open cell voltage, obtaining an estimated nominal capacity of the at least one electrochemical cell, estimating the kinetic parameters using a modified least-square algorithm with forgetting factor, and estimating the SOC using the estimated kinetic parameters.

    摘要翻译: 一个实施例中的电化学电池系统包括至少一个电化学电池,第一传感器被配置为产生指示通过或流出至少一个电化学电池的电流的幅度的电流信号;第二传感器,被配置为产生电压 指示所述至少一个电化学电池的电压的信号,其中存储命令指令的存储器和被配置为执行命令指令以获得当前信号和电压信号的处理器,以及生成估计的SOC和动力学参数 对于所述至少一个电化学电池的等效电路模型,通过获得开放电池电压的导数,获得所述至少一个电化学电池的估计的额定容量,使用具有遗忘因子的修改的最小二乘算法估计所述动力学参数, 并使用估计的动力学参数估计SOC。

    Flow and SOC Determination using Pump Measurements
    14.
    发明申请
    Flow and SOC Determination using Pump Measurements 有权
    使用泵测量的流量和SOC测定

    公开(公告)号:US20130149573A1

    公开(公告)日:2013-06-13

    申请号:US13709372

    申请日:2012-12-10

    申请人: Robert Bosch GmbH

    IPC分类号: H01M2/40

    摘要: In one embodiment, a flow battery system includes a reactor, a first pump operably connected to a first electrolyte tank and to the reactor, a second pump operably connected to a second electrolyte tank and to the reactor, a memory including program instructions stored therein, and a controller operably connected to the first pump, the second pump, and the memory and configured to execute the program instructions to determine a first flow rate through the first pump based upon first pump operating parameters including a differential pressure across the first pump, control the first pump based upon the first flow rate, determine a second flow rate through the second pump based upon second pump operating parameters including a differential pressure across the second pump, control the second pump based upon the second flow rate.

    摘要翻译: 在一个实施例中,流动电池系统包括反应器,可操作地连接到第一电解质罐和反应器的第一泵,可操作地连接到第二电解质罐和反应器的第二泵,包含存储在其中的程序指令的存储器, 以及控制器,其可操作地连接到所述第一泵,所述第二泵和所述存储器并且被配置为执行所述程序指令,以基于所述第一泵操作参数来确定通过所述第一泵的第一流量,所述第一泵操作参数包括跨越所述第一泵的差压,控制 基于第一流量的第一泵基于包括跨越第二泵的差压的第二泵操作参数确定通过第二泵的第二流量,基于第二流量来控制第二泵。

    Battery system and method with capacity estimator

    公开(公告)号:US09869725B2

    公开(公告)日:2018-01-16

    申请号:US13895148

    申请日:2013-05-15

    申请人: Robert Bosch GmbH

    IPC分类号: G01R31/36 G06F17/11 H01M10/44

    摘要: An electrochemical battery system in one embodiment includes at least one electrochemical cell, a current sensor configured to generate a current signal, a voltage sensor configured to generate a voltage signal, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain the current signal and the voltage signal, and to generate an estimated cell nominal capacity (Cnom) of the at least one electrochemical cell by estimating a first leg Cnom during a first charging sequence using a first charging current, estimating a second leg Cnom during a second charging sequence using a second charging current, wherein the second charging current is at a current amplitude different from the current amplitude of the first charging current, and generating the cell Cnom based upon the first leg Cnom and the second leg Cnom.

    System and method for energy distribution
    18.
    发明授权
    System and method for energy distribution 有权
    能量分配的系统和方法

    公开(公告)号:US09312698B2

    公开(公告)日:2016-04-12

    申请号:US13719548

    申请日:2012-12-19

    申请人: Robert Bosch GmbH

    IPC分类号: H02J3/00 H02J3/38 H02J7/35

    摘要: A system and method for controlling the distribution of energy from a plurality of energy resources to a load. The system includes an energy system controller to control the distribution of energy to an electric load provided by a plurality of energy resources. The energy resources include dispatchable sources of energy such as diesel generators and combined heat and power generators; renewable sources of energy including photo-voltaic cells, wind turbines, and geothermal sources; and storage resources such as electrochemical batteries or pumped hydro reserves.

    摘要翻译: 一种用于控制从多个能量资源到负载的能量分配的系统和方法。 该系统包括能量系统控制器,用于控制能量分配给由多个能量资源提供的电力负载。 能源资源包括可排放能源,如柴油发电机和热电联产机组合; 可再生能源,包括光伏电池,风力涡轮机和地热源; 以及储存资源,如电化学电池或抽水蓄能。

    System and method for fast charging of lithium-ion batteries with improved safety
    19.
    发明授权
    System and method for fast charging of lithium-ion batteries with improved safety 有权
    锂离子电池快速充电的系统和方法,安全性提高

    公开(公告)号:US09153991B2

    公开(公告)日:2015-10-06

    申请号:US13933698

    申请日:2013-07-02

    申请人: Robert Bosch GmbH

    摘要: In one embodiment, an electrochemical battery system performs optimized charging of a battery. The electrochemical battery system includes at least one electrochemical cell, a memory storing command instructions, and a controller operably connected to the memory and a current source. The controller executes the command instructions to generate a first prediction of at least one state parameter corresponding to an internal state of the at least one electrochemical cell in the event that a first input current is applied to the at least one electrochemical cell for a predetermined time based upon a present state of the at least one state parameter in the electrochemical cell, determine a second input current based on the first prediction and at least one predetermined state parameter constraint, and control the current source to apply the second input current to the at least one electrochemical cell.

    摘要翻译: 在一个实施例中,电化学电池系统对电池进行优化的充电。 电化学电池系统包括至少一个电化学电池,存储命令指令的存储器和可操作地连接到存储器和电流源的控制器。 在第一输入电流施加到至少一个电化学电池达预定时间的情况下,控制器执行命令指令以产生对应于至少一个电化学电池的内部状态的至少一个状态参数的第一预测 基于电化学电池中的至少一个状态参数的当前状态,基于第一预测和至少一个预定状态参数约束来确定第二输入电流,并且控制电流源以将第二输入电流施加到at 至少一个电化学电池。