A researcher from the Stanford University shows a newly developed aluminum battery supplying electricity to a LED light when being bended at Stanford University in California, the United States, on April 2, 2015. A Chinese-led research team from Stanford University announced they have developed a rechargeable and high-performance aluminum battery that could be a safe alternative of conventional batteries. Photo: Xinhua  

A researcher from the Stanford University tests on a newly developed aluminum battery at Stanford University in California, the United States, on April 2, 2015. A Chinese-led research team from Stanford University announced they have developed a rechargeable and high-performance aluminum battery that could be a safe alternative of conventional batteries. Photo: Xinhua

A researcher from the Stanford University shows a newly developed aluminum battery supplying electricity to a LED light at Stanford University in California, the United States, on April 2, 2015. A Chinese-led research team from Stanford University announced they have developed a rechargeable and high-performance aluminum battery that could be a safe alternative of conventional batteries. Photo: Xinhua