Device for treating a fuel/coolant mixture
AssigneeDaimlerChrysler AG
InventorsJens Thomas Mueller, Sven Schnetzler, Peter Waitkat
Life of this patent
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Abstract
A device for treating a fuel/coolant mixture in a fuel cell system. The fuel cell system is in particular a direct methanol fuel cell system. The fuel cell system is in particular a direct methanol fuel cell system. The fuel/coolant mixture circulates in a circuit system which has a mixture-conveying device, an anode chamber of a fuel cell and an ion exchanger. Furthermore, fuel is guided out of a tank into the circuit system via a line. In addition, a cation exchanger is arranged in the circuit system.
Claims16
A device for treating a fuel/coolant mixture in a direct methanol fuel cell system, the device comprising:
- a circuit system including at least one mixture conveying device, and an anode chamber of a fuel cell of the fuel cell system, and at least one cation exchanger, wherein the fuel/coolant mixture at least partially circulates in said circuit system;
- a tank for holding the fuel;
- and
- a line for feeding the fuel/coolant into the circuit system, said line including a combined anion and cation exchanger.
An arrangement for treating a fuel/coolant mixture in a fuel cell system comprising:
- at least one mixture-conveying device;
- an anode chamber of a fuel cell of the fuel cell system;
- at least one cation exchanger;
- a tank for holding the fuel and a line for feeding the fuel into the at least one mixture-conveying device;
- a combined anion and cation exchanger connected in said line between said tank and said at least one mixture-conveying device;
- and
- a separate anion exchanger arranged in a bypass which runs parallel to a principle stream of a circuit formed by said at least one mixture conveying device and said anode chamber wherein said principle stream and said bypass are combined downstream of one of the cation ion exchanger and the separate anion exchanger as seen in the direction of flow by means of a controllable valve device.
An arrangement for treating a fuel/coolant mixture in a fuel cell system comprising:
- at least one mixture-conveying device;
- an anode chamber of a fuel cell of the fuel cell system;
- at least one cation exchanger;
- a tank for holding the fuel and a line for feeding the fuel into the at least one mixture-conveying device;
- a combined anion and cation exchanger connected in said line between said tank and said at least one mixture-conveying device wherein the cation exchanger is arranged in a bypass which runs parallel to a principle stream of a circuit formed by said at least one mixture-conveying device and said anode chamber wherein the principle stream and the bypass are combined downstream of the cation exchanger as seen in the direction of flow, by means of a controllable valve device.
Dependencies are inferred from the claim text.