夏普燃料电池技术再次取得进展-快科技-科技改变生活

夏普燃料电池技术再次取得进展

Kaiputer
2008年05月16日 10:35
0

昨天，夏普公司宣布他们在直接甲醇燃料电池(DMFC)方面再次取得了进展，创造了该类型燃料电池的功率密度新高，达到0.3W/cc。

DMFC两个电极间为具有渗透性的薄膜构成。其电解质为离子交换膜，薄膜的表面涂有可以加速反应之触媒。甲醇透过阳极进入燃料电池，氧气则由阴极进入，经由触媒的使甲醇所含的氢原子裂解成质子和电子，其中质子被氧吸引到薄膜的另一边，电子则经由外电路形成电流后到达阴极，与氧形成水。

夏普燃料电池技术再次取得进展

此次达到0.3W/cc的功率密度是普通碱性电池的30倍，锂电池的6倍。该燃料电池的原型将在第15界燃料电池研讨会上进行展出。

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