Meanwhile, fuel cell technology is stretching to close the gap between its operability and commercial feasibility. UK based AFC tested its alkaline-based technology recently and found that its efficiency matched that of traditional platinum-based electrodes that cost more. This high efficiency moves the company one step closer to full-scale production of its fuel cell technology.
This fuel cell is based on an electrolyte called Potassium Hydroxide (KOH). KOH allows Hydroxil-ions to move freely while also cooling the fuel cell. Solid polymer electrodes don’t allow such movement. As a result, they create more resistance and “a less efficient transfer of transient matter from anode to cathode” than KOH.
Another benefit of the alkaline-based fuel cells is that they don’t need to be replaced too often. The AFC fuel cell technology will be best suited in stationary power generation and the waste-to-energy market.
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