Green Technology Spotlight: Fuel Cells That Power Buildings

Besides moving forward in transportation, fuel cells are also making headway powering buildings, especially if "The Cube" makes it successfully to market.

Maryland-based Redox Power Systems, which is developing The Cube, thinks it has the answer. The company, which started up last year, is commercializing University of Maryland technology that could potentially be game-changing for distributed energy. 

The Cube fuel cell is slightly bigger than a dishwasher (10% of the size of fuel cells today) and costs 90% less than fuel cells currently on the market. It connects to a natural gas line and electrochemically converts methane to electricity, says Forbes. and produces both heat and electricity. It has no engine and virtually no moving parts and operates silently and constantly. 

Fuel Cells: The Cube

Eric Wachsman, director of University of Maryland’s Energy Research Center, developed the solid oxide fuel cell technology, which can provide safe, efficient, reliable, uninterrupted power, on-site … and, the holy grail – the price is the same as current energy sources.

Wachsman has spent millions of dollars in grants over 25 years to develop fuel cell technology that operates at much lower temperatures, at 80% efficiency, at a fraction of the cost.

"Every business or home should be able to safely generate its own energy," Warren Citrin, CEO of Redox, told Forbes. "We currently rely upon a vulnerable electrical grid. The best way to decrease that vulnerability is through distributed energy, that is, by making your own energy on-site. We are building systems to do that, with an emphasis on efficiency and affordability. These should be common appliances."

You can "generate your own electricity with a system nearly impervious to hurricanes, thunderstorms, cyber-attacks, derechos, and similar dangers, while simultaneously helping the environment," claims Redox. 

The Cube has apparently solved the problems that have held solid oxide fuel cells back – an ability to operate at lower temperatures and the cost to manufacture. 

"I recognize a breakthrough when I see it," Citrin told E@M, the magazine of A. James Clark School of Engineering at U Maryland. "This is a game changer for society. What was predicted to be a five- to 10-year effort to move into manufacturing has taken us less than 12 months." Citrin, a serial entrepreneur, sold radar technology firm Solipsys to Raytheon for $200 million in 2003.

The first models – entering the market next year – have a 25 kilowatt (kW) capacity – enough to provide energy for a moderate-sized grocery store. Future generations will be 5 kW in capacity for homes and 80 kW for bigger buildings. 

"More and more individuals and industries, including regulated utilities, understand the need for continuous, uninterrupted power. People are not quite ready to generate their own electricity, but if we can package and explain the technology correctly, the sky is the limit," Citrin told E@M

The Department of Energy is opening a National Fuel Cell Technology Evaluation Center to further development of fuel cells and hydrogen technologies.

Some of the corporations running on fuel cells are Toyota, Apple and eBay. South Korea is moving ahead with a fuel cell park.

Read our article, Fuel Cell Industry Finally Gaining Traction, Shipments to Triple.

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Comments on “Green Technology Spotlight: Fuel Cells That Power Buildings”

  1. Jeff Williams

    Found some interesting video and links about fuel cell technology… Impressive…

    “New fuel cell sewage gas station in Orange County, CA may be world’s first”

    “It is here today and it is deployable today,” said Tom Mutchler of Air Products and Chemicals Inc., a sponsor and developer of the project.

    Microsoft Backs Away From Grid

    Fuel Cell Energy Announces Sale of a 14.9MW Fuel Cell Park in Connecticut


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