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New Lithium Technology Boosts Lithium Ion Battery Capacity

Researchers at the Stanford University Department of Materials Science and Engineering have developed a technique to make a lithium-ion battery that holds ten times more responsible than the current model. It can extend the time of driving the electric car and the life of mobile devices such as cell phones, music players and cameras by the same amount, making a typical laptop battery last 40 hours instead of four ..

Scientists have long known that the costs are much higher can theoretically be achieved with silicon anodes, but due to the peculiarities of silicone nature, until now the anode as unlikely. You can check out for getting more information about battery services.

Silicon expands when filled with lithium ions, and then contract again as the charge flowing out. Typically, the charge-discharge cycles like causing silicon to crushed, so it is not effective for future cycles.

Cui and his colleagues solve the problem by growing silicon nanowires group directly to stainless steel that serves as a battery current collector. While these nanowires, initially in the thousandth the thickness of a sheet of paper, swelled to about four times their size when filled with lithium, they do not break when they shrink back down.

On the first charge cycle, the anode reached the maximum theoretical cost of silicon. The next cycle reached 75 percent of costs and maintained even more charge-discharge cycles.