Some other methods for improving catalyst activity such as cathode catalyze, alloy catalyst are also reviewed in the paper. Finally, some reasonable advises are given based on these progresses.

也回顾了一些用于改善催化剂活性的其他方法，如阴极催化、合金催化剂，根据这些进展，对今后的研究方向提出了建议。

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One is low methanol oxidation activity at the anode, and the other is methanol crossover from the anode to the cathode through the membrane.

二是通常使用的全氟磺酸质子交换膜的成本高且阻醇性能差。

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