HONG KONG – Scientists in Shanghai are attempting a breakthrough in nuclear energy: reactors powered by thorium, an alternative to uranium.
The project is run by the Chinese Academy of Sciences, a government body with close military ties that coordinates the country’s science-and-technology strategy. The academy has designated thorium as a priority for China’s top laboratories. The program has a budget of $350 million. And it’s being spearheaded by the influential son of a former Chinese president.
But even as China bulks up its military muscle through means ranging from espionage to heavy spending, it is pursuing this aspect of its technology game plan with the blessing – and the help – of the United States.
China has enlisted a storied partner for its thorium push: Oak Ridge National Laboratory. The U.S. government institute produced the plutonium used for the Manhattan Project and laid important groundwork for the commercial and military use of nuclear power.
The Tennessee lab, as it happens, helped pioneer thorium reactors. The Pentagon and the energy industry later sidelined this technology in favor of uranium. The Chinese are now enthusiastically tapping that know-how, in an example of how the rising Asian superpower is scouring the world for all sorts of technology needed to catch up to America in a broad array of scientific fields.
Thorium and the dream of clean nuclear power
Thorium’s chief allure is that it is a potentially far safer fuel for civilian power plants than is uranium. But the element also has possible military applications as an energy source in naval vessels. A U.S. congressman unsuccessfully sought to push the Pentagon to embrace the technology in 2009, and British naval engineers have proposed a design for a thorium-fueled ship.
In a further twist, despite the mounting strategic rivalry with China, there has been little or no protest in the United States over Oak Ridge’s nuclear-energy cooperation with China.