RE: Next one12 Feb 2022 13:24
Alt,
"AFC may have discovered those catalysts Haggis, but as many of us know they key point is do the electrodes last long enough to make them economically viable."
Of course they do, that is the basis of AFC declaring that they have a 'commercial' system.
AFC stated ages ago on 27 August 2019.....
"Results of twelve-month operation of fuel cell electrode at AFC Energy's head office supports potential to achieve electrode life expectancy, for continuous use operations, in excess of four years."
"Over the twelve-month test, electrode degradation rates have continued to improve with time."
"Four-year electrode lifetime consistent with targeted commercial longevity necessary to drive down cost of power and achieve a power conversion cost of < US$0.10 / kWh (excl. fuel cost)."
Also it is clear as day from the later Final Results RNS for 2019 that the electrodes are predicted (based on 10,000 hours continuous running) last long enough for full commercial use, and are much better than what is required for the intermittent or fluctuating use in off grid Genset replacement and EV Charging, amongst other things.
"Continued reduction in electrode running cost through support from Industrie De Nora resulting in electrode pairing demonstration achieving milestone 10,000 hours of continuous operation. "
"De Nora continue to provide invaluable support to AFC Energy under our Joint Development Agreement which was extended for a further two years during the course of 2019. We have seen, and continue to see, substantial improvements in cathode and anode performance which, during the course of 2019, confirmed that based on empirical testing there are no apparent reasons why the predicted electrodes' longevity could not extend to a full commercial life. We and De Nora remain committed and confident of delivering a 4-year lifespan. However, this was a target based upon grid electricity pricing which is not a pre-requisite of either temporary or EV power markets. In these markets pricing is based upon lost revenue or customer service giving rise to multiples of grid pricing being enjoyed and our product breakeven life is much lower than grid applications."
Those electrodes, presuming AFC have kept them running alongside the many new versions that De Nora have created, will now have exceeded 30,000 hours continuous use, which is 3 years and 5 months, so maybe AFC will RNS these old electrodes have achieved 4 years longevity in 7 months time, and that newer electrodes that are running continuously are performing significantly better.
'Economically viable' is a strange question to associate with AFC systems, as they are cheap CAPEX and OPEX using low grade Hydrogen or cheaper when using Ammonia, and cartridges can be swapped and recycled.
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