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    Fuel cell CO sensor
    2.
    发明授权
    Fuel cell CO sensor 失效
    燃料电池CO传感器

    公开(公告)号：US6001499A

    公开(公告)日：1999-12-14

    申请号：US957563

    申请日：1997-10-24

    申请人： Stephen Andreas Grot ,  Mark Alexander Meltser ,  Stanley Gutowski ,  Jay Kevin Neutzler ,  Rodney Lynn Borup ,  Kirk Weisbrod

    发明人： Stephen Andreas Grot ,  Mark Alexander Meltser ,  Stanley Gutowski ,  Jay Kevin Neutzler ,  Rodney Lynn Borup ,  Kirk Weisbrod

    IPC分类号： G01N27/26 ,  G01N27/407 ,  G01N27/416 ,  G01N33/00 ,  H01M8/04 ,  H01M8/06 ,  H01M8/10

    CPC分类号： G01N27/4074 ,  G01N33/004 ,  H01M8/04089 ,  H01M2300/0082

    摘要： The CO concentration in the H.sub.2 feed stream to a PEM fuel cell stack is monitored by measuring current and/or voltage behavior patterns from a PEM-probe communicating with the reformate feed stream. Pattern recognition software may be used to compare the current and voltage patterns from the PEM-probe to current and voltage telltale outputs determined from a reference cell similar to the PEM-probe and operated under controlled conditions over a wide range of CO concentrations in the H.sub.2 fuel stream. A CO sensor includes the PEM-probe, an electrical discharge circuit for discharging the PEM-probe to monitor the CO concentration, and an electrical purging circuit to intermittently raise the anode potential of the PEM-probe's anode to at least about 0.8 V (RHE) to electrochemically oxidize any CO adsorbed on the probe's anode catalyst.

    摘要翻译： 通过测量来自与重整油进料流连通的PEM探针的电流和/或电压行为模式来监测通向PEM燃料电池堆的H 2进料流中的CO浓度。 可以使用模式识别软件来比较从PEM探针的电流和电压模式到从类似于PEM探针的参考细胞确定的电流和电压指示输出，并且在受控条件下在H2范围内的CO浓度范围内操作 燃料流。 CO传感器包括PEM探针，用于放电PEM探针以监测CO浓度的放电电路，以及电清洗电路，以间断地将PEM探针的阳极的阳极电位提高至至少约0.8V（RHE ）电化学氧化吸附在探针的阳极催化剂上的任何CO。

    Fuel cell system having thermally integrated, isothermal co-cleansing subsystem
    5.
    发明授权
    Fuel cell system having thermally integrated, isothermal co-cleansing subsystem 有权
    燃料电池系统具有热集成，等温共清洗子系统

    公开(公告)号：US06485853B1

    公开(公告)日：2002-11-26

    申请号：US09604151

    申请日：2000-06-27

    申请人： William Henry Pettit ,  Rodney Lynn Borup

    发明人： William Henry Pettit ,  Rodney Lynn Borup

    IPC分类号： H01M804

    CPC分类号： H01M8/0612

    摘要： A fuel cell system having a thermally integrated isothermal CO-cleansing subsystem including a water-gas-shift reactor, a preferential oxidation reactor, at least one system heat exchanger, and a closed-loop heat transfer circuit dedicated to that subsystem. The heat transfer circuit utilizes a heat transfer medium which has a high specific heat and is circulated through the circuit at a sufficiently high rate as to thermally dominate the gas stream components communicating with the circuit.

    摘要翻译： 一种具有热集成等温CO清洗子系统的燃料电池系统，包括水煤气变换反应器，优先氧化反应器，至少一个系统热交换器和专用于该子系统的闭环热交换电路。 传热回路利用了具有高比热的传热介质，并以足够高的速率循环通过电路，以热控制与电路连通的气流组件。

    Water management system for electrochemical engine
    6.
    发明授权
    Water management system for electrochemical engine 失效
    电化学发动机水管理系统

    公开(公告)号：US06432568B1

    公开(公告)日：2002-08-13

    申请号：US09632184

    申请日：2000-08-03

    申请人： John P. Salvador ,  Rodney Lynn Borup ,  William Henry Pettit

    发明人： John P. Salvador ,  Rodney Lynn Borup ,  William Henry Pettit

    IPC分类号： H01M804

    CPC分类号： B60L11/1892 ,  B60L11/1881 ,  B60L11/1894 ,  H01M8/0267 ,  H01M8/04007 ,  H01M8/04097 ,  H01M8/04156 ,  H01M8/04164 ,  H01M8/04223 ,  H01M8/04253 ,  H01M8/0612 ,  H01M2250/20 ,  Y02T90/32 ,  Y02T90/34

    摘要： An electrochemical engine for a vehicle comprises a fuel processor operating to process liquid fuel to hydrogen gas reformate, a combustor to generate heat for the fuel processor, and a fuel cell stack to generate electricity from the hydrogen gas reformate and producing water vapor by-product. A water management system of the engine comprises a condenser to reclaim liquid water from the water vapor by-product and a water tank for storing the reclaimed water. A water pump circulates water from the water tank to the fuel processor. A drainage valve is operable to open to release water from the water tank to a freeze tank to avoid freezing water in the water tank.

    摘要翻译： 用于车辆的电化学发动机包括操作以将液体燃料转化为氢气重整产物的燃料处理器，用于为燃料处理器产生热量的燃烧器和燃料电池堆，以从氢气重整产生电并产生水汽副产物 。 发动机的水管理系统包括从水蒸气副产物回收液态水的冷凝器和用于储存再生水的水箱。 水泵将水从水箱循环到燃料处理器。 排水阀可操作以打开以将水从水箱释放到冷冻箱，以避免在水箱中冻结水。