Some primary study on synthesis and performance of non-fluorinated SPEEK PEM and SPEEK self-humidifying membrane was carried out.

对非氟speek磺酸质子交换膜制备和性能进行了初步研究，并对自增湿speek膜进行了尝试研究。

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If the water amount of back-diffusion together with that generated through self-humidifying is larger than that through electro-osmotic drag, then the fuel cell could operate stably.

如果反扩散和自增湿产生的水的量不小于电迁移的量，就能实现自增湿操作。

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