According to foreign media reports, scientists at Rice University in the United States used carbon from asphalt as a lithium battery component and successfully accelerated the battery charging time.
The researchers said that in the test, with asphalt battery built a few minutes to complete the charge. The researchers also found that building batteries with bitumen can hinder the formation of deposits, which tend to shorten battery life. Professor James Tour, head of the battery research project lab, said: "The battery capacity is very remarkable, and even more noteworthy is that we can fully charge this battery from zero battery in 5 minutes to outperform other batteries Battery up to 2 hours or longer charge time. "
To make the batteries, the team mixed the bitumen-derived carbon with the graphene nanoribbons and wrapped it with metallic lithium. Professor Tour said the manufacturing process behind this new approach is similar to the earlier technology for making fast-charging batteries. The research team recharges and discharges the battery thousands of times to ensure the stability of the technology. This test also shows that this battery is less likely lithium dendrite structure, this structure can be gradually spread in the battery to shorten the battery life. The details of this study have been published in ACS Nano Science magazine. Rice team said they are studying only one of many fast charging technology. Tesla, Qualcomm and many others are also exploring ways to speed up charging.
Earlier this year, battery maker StoreDot said it will release a fast-charge battery by 2018, but its remarks were skeptical of some analysts. Ben Wood, of CCS Analyst, said: "Because people are using cell phones for a longer period of time, they may not like the technology that forces them to change plans ahead of time or pay for batteries."
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