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Supporting innovation: If you build it, they will come

By Tina Hilding, Voiland College of Engineering & Architecture

hydrogen-refuelingPULLMAN, Wash. – Right now, it’s a 20-foot shipping container, a small start-up company, a tornado in a small tube and a really good idea.

drawing-of-wsu-teams-hydrogen-station-web
A drawing of the WSU team’s hydrogen gas station.

A team of Washington State University researchers and students are raising funds to build the first hydrogen gas station in Washington. They hope to use it to demonstrate an inexpensive, portable way to liquefy hydrogen – which is considered the key to unlocking the clean hydrogen economy.

“What we’re doing is unique,” said Jake Leachman, associate professor in the WSU School of Mechanical and Materials Engineering. “There isn’t a precedent for it.”

Increasing the number of hydrogen fuel-powered cars on the road could help reduce harmful carbon dioxide emissions that are changing the earth’s climate. Unlike gasoline powered cars, which produce carbon dioxide, the only waste product of hydrogen fuel cell-powered cars is water.

Hydrogen-powered vehicles also have a comparable range of about 300 miles to gasoline-powered cars. Some car makers, including Toyota, Honda and Hyundai, have recently begun selling the cars in California.

One of the biggest stumbling blocks to harnessing hydrogen energy, however, has been a lack of nationwide infrastructure. There are only eight hydrogen liquefaction plants in North America, so liquid hydrogen has to be transported over long distances, which is expensive.

At the same time, hydrogen gas is ubiquitous.

wsu-team-that-designed-the-hydrogen-station-web
The WSU team that designed the hydrogen gas station is looking for funding to build it an put it into use. Go to https://secure.wsu.edu/give/default.aspx?fund=7629 to make a donation in recognition of Giving Tuesday tomorrow, Nov. 29.

“There are systems that can convert wind energy to hydrogen, but it’s still difficult to increase the hydrogen density for transport and storage,” said Leachman.

Two years ago, a group of WSU students designed a plan for an innovative and economical fueling station; the plan took first place in an international hydrogen design competition. Their liquefaction technology could allow hydrogen generated from energy conversion, including from agriculture waste in wheat production, to be inexpensively gathered and stored, Leachman said.

Last year, the researchers were part of a team to receive funding from the U.S. Department of Energy to develop the system, and they also formed a start-up company that specializes in hydrogen dispensing, liquefaction and storage.

The researchers have developed a unique and efficient way to cool and liquefy hydrogen, using an old technology called a vortex tube. A mechanical device that separates a compressed gas into hot and cold streams, it was designed in the 1930s and is inexpensive and easy to make, but the WSU team was the first to connect it to hydrogen liquefaction.

The group has received support from the Washington Research Foundation, the M.J. Murdock Charitable Trust and from companies and individuals. The team is working to raise money to purchase equipment for the project, such as a Stirling pre-cooler, a hydrogen compressor, an electrolyzer and a dispensing interface for the fueling station.

In addition to addressing one of the biggest challenges for the clean energy economy, the project is providing training for students in hydrogen systems that is unique in the U.S., Leachman said. It has involved more than 100 students so far.

Learn more about the project at https://hub.wsu.edu/ise/. Go to https://secure.wsu.edu/give/default.aspx?fund=7629 to make a donation in recognition of Giving Tuesday tomorrow, Nov. 29.

 

News media contact:
Tina Hilding, Voiland College of Engineering and Architecture communications, 509-335-5095, thilding@wsu.edu

 

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