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AFC Energy fuelled by hydrogen and powerful backers
Tue 11:50 am by Ian Lyall AFC’s fuel cell technology works a little like a large alkali battery that is able to use hydrogen created from chlorine production, biomass and coal.AFC’s fuel cell technology works a little like a large alkali battery that is able to use hydrogen created from chlorine production, biomass and coal.
AFC Energy (LON:AFC) has changed the purpose of a great deal of equipment to produce its state-of-the-art hydrogen fuel cells.
It is unlikely to have repurposed anything quite so bizarre as the croissant maker that became a talking point between management and the company’s new cornerstone investor, Roman Abramovich.
“Roman walked in and immediately recognised the piece of kit,” recounts chief executive Ian Williamson.
“A lot of the expertise we intend using is based in the food industry as our electrode resembles short-crust pastry.”
It may go down as the most oddball use of kitchen equipment, but the Chelsea FC owner wasn’t put off by the revelation.
His investment vehicle Ervington later acquired a 15% stake in AFC Energy, via a share placing that injected £8.7 million into the business.
Williamson describes AFC’s fuel cell technology as working a little like a large alkali battery that is able to use hydrogen created from chlorine production, biomass and coal.
“You have a continually producing battery,” he adds. “There are different ways of producing power using a reaction.
“We have centred on the alkaline one because it is the oldest and the most trusted and tried. There are more costly modern alternatives such as proton exchange membranes and solid oxide fuel cells.”
The challenge is getting the cost down to be competitive with traditional energy sources. The company is confident it can do this.
AFC won’t simply be a fuel cell maker; there have been too many failures in this endeavour, chief executive Williamson points out. The business will make its money as a generator.
It is partnered with the Dutch chemicals giant Akzo Nobel at a site in Germany where the fuels cells are being used to turn waste hydrogen from chlorine production into electricity.
AFC estimates that if plants such as Akzo’s used all the hydrogen this way they would get back 17% of the power used in the process.
Williamson calls the collaboration at the Bitterfield facility “a technical demonstration and proof of concept”.
The commercial application of AFC’s technology will occur in Essex.
Earlier this month it received a £4.9mln European Union grant to create the world’s largest alkaline fuel cell energy generation system.
It will be built in Thurrock on the site of a new plant owned by Industrial Chemicals Limited.
The low-cost fuel cell system will be installed in stages at the ICL facility with the aim of eventually generating around one megawatt of electricity, or enough energy to power 500 homes.
“Our main partner is Akzo and we are in negotiations to make that happen on a bigger scale,” says Williamson.
“We have what I would call a technical demonstration with them; a tech proof of concept.
“We are moving to the next stage – a scale up from technical demonstration - to a commercial demonstration. We are going to install a slightly different chor-alkali plant at ICL in Essex.
“In West Thurrock they have Europe’s newest chlorine plant that delivers enough hydrogen to produce a megawatt of power.
“This scale-up is interesting for us. We are putting the first fuel cells in at ICL at Christmas time, and scaling over a period.”
Now this brave new world of generating electricity from hydrogen (be it from chlorine, waste products or the gasification of coal) is not without its challenges.
The first and most obvious is being able to produce the electricity at a competitive rate. The City research firm MC Peat believes AFC is “on track” to produce electricity at 4 pence per kilowatt hour or lower.
To put this in context, industrial power users pay around 40% more for their energy, while you or I (the Great British consumer) are charged around 60% more for our electricity.
So there is a margin to be had here in the UK if AFC is able to produce at 4p per kilowatt hour.
Key to getting those costs down is the longevity of the electrodes and the power extracted from them.
AFC is aiming to increase the lifespan from three to 12 months, along with a 75% improvement in power output.
“But we do have to go along our development curve for all of this,” Williamson cautions.
“Currently we sit in the lab at three months electrode length, and in order to be commercial in the UK I need to get it to 12 months.
“In terms of output we have to go on a transition for an improvement of another 75%. We have already improved 150%. So we don’t see this as a problem.”
In the UK, green energy schemes are eligible for a form of subsidy called ROCs (renewable obligation certificates), which makes them more financially attractive.
However, the best geography in the world to build a project based around AFC’s fuel cell technology is Korea. “Their feed-in tariff is better than double ROCs,” said Williamson.
He also confirms the group is “seeking a commercial partner” in Korea.
So far we have only really addressed the potential of AFC’s technology in the chlor-alkaline plants such as Azko’s and ICL’s.
Abramovich has been quick to spot the potential opportunity here.
His Ervington Investments subscribed for 33m shares at 26.6p in a placing last month that leaves AFC £8.7mln richer. He has already made a profit on this investment.
The cash injection gave the group £11mln in the bank, which gives the company enough funds for almost four years based on the current rate of consumption.
But as we have hinted above, it might be deployed to use the synthetic gas that is now generated by the underground gasification of coal beds, or the hydrogen gleaned from recycling biomass.
Its 12% shareholder is Linc Energy, an oil and gas company with a focus on clean energy, while it is also a partner of and shareholder in Waste2Tricity, which is developing technology to turn municipal solid waste into energy.
All of this points to the huge latent potential of AFC’s fuel cell technology.
However, Williamson doesn’t want to expand on too many fronts.
“If you grow too quickly you can get those horrible growing pains that you can’t afford as a small company,” he says.
“I have seen fuel cell companies over-expand and find themselves simply supporting the products out in the marketplace as opposed to doing any development. We can’t afford that.”