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    • 7. 发明授权
    • Preparation and use of Pt/zeolite catalyst materials for removing carbon
monoxide
    • 制备和使用Pt /沸石催化剂材料去除一氧化碳
    • US5955395A
    • 1999-09-21
    • US802770
    • 1997-02-21
    • Renato AndorfWerner MaunzCarsten PlogThomas Stengel
    • Renato AndorfWerner MaunzCarsten PlogThomas Stengel
    • B01J29/068B01J37/02C01B3/58H01M8/0662
    • H01M8/0662B01J29/068B01J37/0201C01B3/583C01B2203/044C01B2203/047
    • The invention relates to a process for preparing a Pt/zeolite catalyst material, the material itself, and the use of the material in removing carbon monoxide from a gas. In a preferred embodiment, the invention relates to a process for preparing a Pt/zeolite catalyst material for the catalytic removal of CO in H.sub.2 -rich gas by means of selective CO oxidation and the use of such a catalyst material. The catalyst materials of the invention can be prepared by employing Pt(NH.sub.3).sub.4 Cl.sub.2.H.sub.2 O and a zeolite material. The resulting material can be used for the catalytic removal of CO from an H.sub.2 -rich outlet gas mixture from a methanol reforming reactor. The compositions and methods to produce catalytic materials result in products with high and prolonged catalyst activity. In particular, the methods and compositions of the invention can be used in removing CO from the hydrogen fed to fuel cells in electric vehicles having stored methanol fuel.
    • 本发明涉及一种制备Pt /沸石催化剂材料的方法,该材料本身以及该材料用于从气体中除去一氧化碳的用途。 在优选的实施方案中,本发明涉及一种用于通过选择性CO氧化和使用这种催化剂材料来催化除去富H2气体中的CO的Pt /沸石催化剂材料的方法。 本发明的催化剂材料可以通过使用Pt(NH 3)4 Cl 2·H 2 O和沸石材料来制备。 所得到的材料可用于从来自甲醇重整反应器的富H 2出口气体混合物中催化除去CO。 生产催化剂材料的组成和方法产生具有高和延长催化剂活性的产品。 特别地,本发明的方法和组合物可用于从储存有甲醇燃料的电动车辆中向供给燃料电池的氢气中除去CO。
    • 9. 发明申请
    • Drift compensation for an impedimetric exhaust gas sensor by variable bias voltage
    • 通过可变偏置电压对阻抗式排气传感器进行漂移补偿
    • US20070056352A1
    • 2007-03-15
    • US10563569
    • 2004-06-30
    • Thomas BirkhoferAleksandar KnezevicRalf MuellerCarsten Plog
    • Thomas BirkhoferAleksandar KnezevicRalf MuellerCarsten Plog
    • G01M15/10
    • G01N33/0054G01N27/122G01N33/0006Y02A50/246
    • An exhaust gas sensor is proposed for detecting a gas component in the exhaust gas of an internal combustion engine, having a control and evaluation unit and a sensor unit with an electrode structure with a first terminal and a second terminal, and a method for operating an exhaust gas sensor to determine the concentration of a gas component in the exhaust gas of an internal combustion engine is also proposed. The control and evaluation unit applies a bias voltage to the first terminal and/or the second terminal of the electrode structure, it being possible for the level of the bias voltage to be set in dependence on a characteristic of the sensor and/or in dependence on a loading of the sensor. A bias voltage is applied to the first terminal and/or to the second terminal of the electrode structure, with the level of the bias voltage being set in dependence on a characteristic of the sensor and/or in dependence on a loading of the sensor.
    • 提出了一种废气传感器,用于检测具有控制和评估单元的内燃机的排气中的气体成分,以及具有带有第一端子和第二端子的电极结构的传感器单元,以及用于操作 还提出了用于确定内燃机的废气中的气体成分浓度的废气传感器。 控制和评估单元向电极结构的第一端子和/或第二端子施加偏置电压,可以根据传感器的特性和/或依赖于偏置电压的电平来设定偏置电压的电平 在传感器的装载。 偏置电压施加到电极结构的第一端子和/或第二端子,偏置电压的电平根据传感器的特性和/或依赖于传感器的负载来设定。