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Yangzhou zhongtianli new material co., LTD

Yangzhou zhongtianli new material co., LTD

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The team used hollow silica microspheres to inhibit the growth of lithium dendrites

2018-01-12
Times
According to foreign media, ACS journal nano letters has published a paper in which the researchers applied hollow silica microspheres to hold lithium ions, and the carbon nanotubes inner core could inhibit dendrite growth. As dendrite growth is inhibited, the electrode can maintain high speed plating/stripping efficiency up to 99% after more than 200 charges and discharges.
高纯氧化铝
   
Lithium metal batteries (LMBs) are getting a lot of attention in the industry because of their high energy density. In lithium metal batteries, the specific capacity of lithium metal is high (3860 mA h g? 1), the electrochemical potential is low compared to that of the standard hydrogen electrode. 3.04 V). Therefore, lithium is an ideal anode material.However, uneven deposition of lithium will cause dendrite growth, weaken the charging and discharging efficiency of the battery, and even cause short circuit inside the battery, thus causing battery failure and safety risk.Recently, the proposal USES the electrolyte additives (electrolyte additives), the stability of the interface layer (stable interfacial the layers) and modified electrodes (modified electrodes) such as a variety of ways, aimed at resolving the lithium metal anode of the key issues. It has been proven that using architecture to adjust lithium dendrite accumulation is an efficient approach.Although heterogeneous structure plays an important role in regulating deposition behavior, the precise control mechanism of lithium metal is limited by electrophoresis conditions, such as: deposition capacity and current density. Therefore, if the sedimentation performance is too high, it is necessary to improve the heterogeneous structure of this section and guide it to make it uniform sedimentation.The team has designed composite microcage with porous silica sheath and carbon nanotube core. Composite micro-cage structure can accommodate lithium metal, and its heterogeneous structure can be used as lithium ion trap (trapper).During the experiment, the team found that the electrochemical performance of the lithium metal is excellent because of its high interception efficiency.Disclaimer: this article only represents the author's personal views and has nothing to do with this website. The purpose of Posting this article on this website is to convey more information. The content of this article is for reference only.


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Yangzhou Zhongtianli New Material Co., Ltd.

Address: jiangsu hanjiang ganquan shuangtang industrial park

Telephone: 0514-80388792 80388790

Sales hotline: 13222676611 (Ms. Zhang)

                       15805272876 (Mr. Tang)

Email:bangong@yzcrown.net

Website :  www.yzcrown.com