GASKET FOR FUEL CELL
    21.
    发明公开
    GASKET FOR FUEL CELL 有权
    DICHTUNGSANORDNUNGFÜRBRENNSTOFFZELLE

    公开(公告)号:EP1296395A1

    公开(公告)日:2003-03-26

    申请号:EP01943832.4

    申请日:2001-06-26

    申请人: Nok Corporation

    发明人: KUROKI, Yuichi

    IPC分类号: H01M8/02 H01M8/04 H01M8/24

    摘要: In order to make it possible to specify a cell or a module generating an abnormality in a power generating performance (a voltage, a current and the like) without dissembling a fuel battery stack, a gasket for a fuel battery having gaskets on both surfaces of a print circuit for taking out an electric signal within the cell or the module is held between separators, and an electric signal take-out portion for taking out an electric signal (the voltage, the current and the like) is integrally assembled together with a seal.

    摘要翻译: 为了能够在不拆卸燃料电池堆的情况下指定在发电性能(电压,电流等)中产生异常的电池或模块,具有在两面上具有垫圈的燃料电池用垫圈 用于取出单元或模块内的电信号的打印电路被保持在分离器之间,并且用于取出电信号(电压,电流等)的电信号取出部分与 密封。

    Method and apparatus for preventing cell reversal in a fuel cell stack
    23.
    发明公开
    Method and apparatus for preventing cell reversal in a fuel cell stack 审中-公开
    方法和装置用于防止细胞逆转的燃料电池堆

    公开(公告)号:EP1128456A2

    公开(公告)日:2001-08-29

    申请号:EP00125808.6

    申请日:2000-11-24

    IPC分类号: H01M8/04

    摘要: A diagnostic method and apparatus for detecting cell reversal in a fuel cell stack. The inventive method and apparatus determines the average cell or cluster voltage change of all of the cells or clusters in the stack over a time period and the individual cell or cluster voltage change during the same time period and generates a difference between the average cell or cluster voltage change and the individual cell or cluster voltage change which is compared with a reference acceptable difference. The method and apparatus generate an output indicating impending cell reversal if the voltage of an individual cell or cluster changes significantly more or less than the average voltage change of the rest of the cells or clusters in the stack.

    METHOD AND APPARATUS FOR MONITORING FUEL CELL PERFORMANCE
    26.
    发明公开
    METHOD AND APPARATUS FOR MONITORING FUEL CELL PERFORMANCE 失效
    用于燃料电池的功能监测方法和装置。

    公开(公告)号:EP0486654A1

    公开(公告)日:1992-05-27

    申请号:EP91911067.0

    申请日:1991-06-07

    IPC分类号: G01R31 H01M8

    摘要: A method and apparatus are provided for monitoring the performance of fuel cells arranged in series. More particularly, the method and apparatus involve the measurement and comparison of fuel cell performance indicators, such as voltage, in groups of cells connected in series. In a first embodiment, the voltage across each fuel cell group is compared to a reference voltage equal to a predetermined minimum voltage. In a second embodiment, the voltage across each group is compared to a reference voltage equal to the average across all fuel cell groups. In a third embodiment, a reference voltage equal to the voltage across one group is compared to the voltage across each of the other fuel cell groups. In a fourth embodiment, the voltage across each group is compared as a reference voltage to the voltage across an adjacent fuel cell group. Other embodiments comprising various combinations of the first, second, third and fourth embodiments are also provided. An alarm is activated, and supply of fuel to the cells discontinued, when the measured voltage for a fuel cell group varies from the reference voltage by more than a predetermined voltage differential.

    VERFAHREN ZUR BESTIMMUNG KRITISCHER BETRIEBSZUSTÄNDE AN EINEM BRENNSTOFFZELLENSTACK
    27.
    发明公开
    VERFAHREN ZUR BESTIMMUNG KRITISCHER BETRIEBSZUSTÄNDE AN EINEM BRENNSTOFFZELLENSTACK 审中-公开
    确定燃料电池袋上的临界运行状态的方法

    公开(公告)号:EP3285321A1

    公开(公告)日:2018-02-21

    申请号:EP17193144.7

    申请日:2013-05-02

    申请人: AVL List GmbH

    摘要: Die Erfindung betrifft ein Verfahren zur Bestimmung kritischer Betriebszustände an einem Brennstoffzellenstack, bestehend aus in Serie geschalteten Einzelzellen, wobei dem Brennstoffzellenstack ein niederfrequentes Strom- oder Spannungssignal eingeprägt, das sich ergebende Spannungs- oder Stromsignal gemessen und der Klirrfaktor thd bestimmt wird. Erfindungsgemäß wird zur Bestimmung eines mit der Austrocknung der Brennstoffzellenmembranen des Brennstoffzellenstacks korrelierenden Indikators THDA dryout die gewichtete Summe aus einem vom Membranwiderstand R m abhängigen Term und einem vom Klirrfaktor thd abhängigen Term herangezogen, wobei der Membranwiderstand R m durch Impedanzmessung erfasst wird.

    摘要翻译: 本发明涉及一种方法,用于确定燃料电池堆的关键的操作条件下,由串联连接的单电池,其特征在于,压印低频电流或电压信号的燃料电池堆,将得到的电压或电流信号来测量和畸变因子被确定的THD。 根据本发明THDAdryout加权总和是从依赖性膜电阻Rm术语和用于确定与所述燃料电池堆指示器的燃料电池膜的干燥,其中所述膜电阻Rm是由阻抗测量检测到的相关联一个的THD依赖性失真项采取。

    DIAGNOSTIC DEVICE
    30.
    发明公开
    DIAGNOSTIC DEVICE 有权
    DIAGNOSEVORRICHTUNG

    公开(公告)号:EP3136486A1

    公开(公告)日:2017-03-01

    申请号:EP16185023.5

    申请日:2016-08-19

    摘要: An AC component ΔI addition unit (510) of a diagnostic device (5) superimposes an alternating current on an output current of a fuel cell (10). A Zn calculation unit (520) calculates a cell impedance with respect to the alternating current with regard to any of a plurality of cells (10a). A diagnosis unit (530) diagnoses that any cell (10a) is subjected to hydrogen deficiency when an absolute value of the cell impedance exceeds (absolute value of a reference impedance + a predetermined value β). It is diagnosed that any cell (10a) is subjected to oxygen deficiency when the absolute value of the cell impedance is smaller than (absolute value of the reference impedance-a predetermined value α).

    摘要翻译: 诊断装置(5)的交流分量“I”加法单元(510)将交流电叠加在燃料电池(10)的输出电流上。 Zn计算单元(520)针对多个单元(10a)中的任一个,计算相对于交流电流的单元阻抗。 当单元阻抗的绝对值超过(参考阻抗的绝对值+预定值²)时,诊断单元(530)诊断任何单元(10a)都遭受氢缺陷。 当电池阻抗的绝对值小于(参考阻抗的绝对值 - 预定值±))时,诊断为任何电池(10a)都经历缺氧。