"Electricity is less than 80% can not go out." With the popularity of large-screen smartphones, many people suffer from this "battery anxiety disorder." As a result, in recent years, charging treasure has become the best mobile phone partner. However, some people are trying to change the situation of smart phones rely on rechargeable treasure.
Recently, the Institute of Advanced Institute of Technology, Shenzhen Institute of Advanced Functional Materials Research Center Tang Yongbing researcher and his team successfully developed a new high-performance, low-cost potassium-type dual-ion battery technology, the results of a series of online recently published in the international famous journals Advanced Materials.
Published a year many breakthrough research results
Behind these achievements, Tang Yongbing and team members worked 14 hours a day, taking one year as a breakthrough in only two years.
"This time we found that potassium-ion battery technology was the result of optimizing and continuing the forward-looking layout around the performance of the technology after the team first discovered the dual-ion battery technology in March 2016." Tang Wing-bing, an artful appearance, told Tech Daily Breath come.
Just a year ago, the team found a key scientific achievement "a new type of high energy density aluminum-graphite dual-ion battery." The achievement became the most viewed paper of 2016 "Advanced Energy Materials", a well-known periodical in the field of energy materials, and was selected as one of the "Top Ten Black Technologies in the Battery Industry in 2016" by the professional media in the field of new materials.
This year, the team achieved what new breakthroughs? Why attracted so much attention? Since the discovery of the new aluminum-graphite dual-ion battery technology, Tang Yongbing instructed the team to run three times over time and race against one another. In the new dual-ion battery technology, they tackle difficult problem of improving the volume change of aluminum foil negative electrode during charging and discharging process. Nearly a year, developed "carbon-coated porous aluminum foil anode material" and "high-performance hollow interface microstructure of new aluminum anode material." Through structural design and interface control of the negative electrode of aluminum foil, the problems of volume expansion and poor cycle performance of the low-cost metal negative electrode material during charging and discharging are effectively solved, laying a very solid foundation for industrialization.
At the same time, the team also from the industrial application point of view, without changing the existing lithium battery cathode material, the development of "a universal aluminum foil anode / collector integrated design of the new high-efficiency low-cost lithium battery technology ", Not only can effectively reduce the weight and volume of the battery, significantly improve the quality and volume energy density, but also greatly reduce manufacturing costs, but also has a wide range of universal.
The other way forward is to continue forward looking layouts in the applicable basic research areas by combining the idea of ​​an active material / current collector design with the advantages of dual-ion batteries and introducing this design concept into other alkali metal ion systems , Respectively, developed a "new high-efficiency double ion battery technology based on cheap sodium ion electrolyte" and "new high-efficiency low-cost potassium ion battery technology" so that the secondary battery system based on low-cost alkali metal ions has drawn wide attention. These research results have been included in the famous international journals "advanced materials" and "advanced energy materials". Behind these fruits, it is Don Yongbing team members and work 14 hours a day, the year as a breakthrough in only two years.
"There is no end to scientific research, no progress and no progress, and we have a pre-foundation. If we do not focus on the future and speed up the layout, the opportunities may be fleeting." Tang Yongbing told reporters in this way. They have a number of technical applications for invention patents and international patents to prepare for the industrial layout.
This series of new technologies is how to break ground? Is there any industrial application prospects?
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