The advent of a new type of dual-ion battery technology is expected to solve the problem of the lithium-ion battery's existing capacity, cruising range and low energy density. The Shenzhen Institute of Advanced Technology of the Chinese Academy of Sciences revealed on the 29th that the latest achievements of Tang Yongbing and his research team in the Institute have recently been published in the international energy material authoritative periodical “Advanced Energy Materials†and were invited by the German Science Network. If the technology is industrialized, it will have a major impact on the existing lithium industry structure.
“The discovery is amazing. It is a new battery technology that has never been reported.†When the editor of “Advanced Energy Materials†notified the results of the study to be accepted by the periodical, it passed the evaluation of the anonymous reviewer to Tang Yongbing.
It is understood that Tang Yongbing joined the Institute of Advanced Integrated Technology of the Shenzhen Advanced Institute of the Chinese Academy of Sciences in August 2013 and his team was supported by the National Natural Science Foundation of China, the Innovation Team of Guangdong Province, the Shenzhen Peacock Team, and the Shenzhen Science and Technology Project.
At present, the main energy conversion and storage devices in the fields of portable electronic equipment, electric vehicles, and renewable energy systems are all lithium-ion batteries. However, lithium-ion batteries have low energy density, high manufacturing costs, and electrode materials contain toxic metals. The disposal of batteries will cause environmental problems. pollution problem. The current hot new energy vehicles, whether they use lithium or fuel cells, have the challenge of cost and cruising range.
In the research, Tang Yongbing team discovered a new type of high energy density aluminum-graphite double-ion battery, which is a new type of high-efficiency, low-cost energy storage battery. The research team adjusted the positive and negative electrodes of the traditional lithium battery to replace the lithium cobaltate, lithium manganate, ternary or lithium iron phosphate widely used as the cathode material of the battery with inexpensive and readily available graphite, and used the aluminum foil as the negative electrode of the battery. Material and anode current collector; electrolyte consists of conventional lithium salt and carbonate organic solvents. The working principle of the new battery is different from the traditional lithium ion battery. During the charging process, anion intercalation reaction occurs in the positive electrode graphite, and aluminum-lithium alloy reaction occurs in the aluminum negative electrode, and the discharge process is the opposite. This new reaction mechanism not only significantly increases the operating voltage of the battery, but also significantly reduces the quality, volume, and cost of the battery, improving the overall energy density of the battery.
"The mobile phone in the future may be half as thin as it is now, and smartphones do not need to be recharged every day." The relevant person in charge of the Shenzhen Advanced Institute of the Chinese Academy of Sciences said that if this technology is realized in industrialization, it can solve the problems of high battery cost and short range for electric vehicles. problem. However, the current battery technology has yet to be optimized, such as the need to further improve the battery's cycle stability. (Reporter Wen Kun)
The spotlights can be placed around the ceiling or above the furniture, in the wall or in the skirting line.
The light directly shines on the household items that need to be emphasized, so as to highlight the subjective aesthetic effect and achieve the artistic effect of outstanding emphasis, unique environment, rich levels, rich atmosphere and colorful. The spotlights are soft and elegant, which can not only play a leading role in the overall lighting, but also local lighting to set off the atmosphere.
Because small spotlights can change their angles freely, the effect of combined lighting is also ever-changing. The spot light is soft and can also be used as local lighting to set off the atmosphere.
Recessed Spotlight,Spotlight,Surface Spotlight,Adjustable Spotlight,Project Spotlight
JINGYING , https://www.jingyingoptical.com