Polymer electrolyte is one of the important parts of lithium battery and proton conducting fuel cell. The property of the polymer electrolyte is a key factor affecting the performance of cell.

聚合物电解质是锂电池和燃料电池的重要组成部分，其电导率等特性是决定电池工作性能的重要因素。

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Thanks to its research, Ballard has a strong hold over the fuel cell's intellectual property, owning around 300 patents at the last count.

ECONOMIST: Fuel cells: Intel on wheels | The