Diamond tech to reduce the cost of renewable energy?

Scientists at UK-based Evince Technology say one coin-sized diode can replace numerous silicon devices used to convert electricity from solar panels and wind turbines before it reaches the grid.

Sedgefield, UK-based Evince Technology said it has developed a new power-control technology that could reduce the cost to implement grid-connected renewable energy.

The startup says its technology would replace the multiple silicon transistors needed to convert the electricity generated by solar panels and wind turbines before it reaches the electric grid. Controllers are necessary because power generation from such sources fluctuates.

Each silicon transistor can control 3,300 volts. Evince Technology said it has developed a coin-sized diode that can control 15,000 volts—the voltage of utility distribution.

The elimination of silicon transistors and transformers would result in immediate cost savings, the company told The Northern Echo.

“Evince’s diamond electronics switches are likely to be the first devices worldwide that are capable of switching at utility distribution voltages and will have a dramatic impact on energy generation costs,” CEO Gareth Taylor told the newspaper.

Evince Technology's device uses a lab-grown diamond strip about half-a-millimeter thick. The company says it can now produce the device but plans to do more development before launching a 10,000-volt diode late next year.

The company, which is raising a £2 million ($3.2 million) venture capital round, said the diode also has applications in standard electric-powered machines, such as trains. The company's backers include Northstar Equity Investors, Imperial Innovations and Carbon Trust Investments.

Article courtesy of CleanTech.