Nanotechnology Now – Press Release: Lithophilic seeds and solid arrays synergistically induced dendrite-free and stable Li anode towards long-life lithium-oxygen batteries

Home > Press > Lithophilic seeds and solid arrays, a synergistically induced dendrite-free and stable Li anode towards long-life lithium-oxygen batteries

Summary:
Recently, Dr. Yue Li and co-workers (Tianjin University) prepared solid arrays of carbon nanotubes/three-dimensional graphene (Al2O3-CNTA/3DG) induced by lithiophilic alumina (Al2O3) as an efficient host material for the Li anode of Li- oxygen batteries (LOB). Al2O3 nanoparticles were found to significantly increase the hardness of CNTA, resulting in significant inhibition of Li dendrite growth. In addition, the lithophilic Al2O3 nanoparticles react with Li+ to form LiAlO2 nanoparticles, which facilitates Li+ transport and stabilizes the solid electrolyte interphase (SEI) film. Finally, the LOB assembled with Al2O3-CNTA/3DG-Li anode and CNTA/3DG cathode exhibits improved redox kinetics and can be stably cycled 160 times at a current density of 100 mA g-1 and a limited capacity of 500 mAh g -1. This work provided a new strategy to solve the problems of Li dendrite growth and short life cycle for LOBs.

Lithophilic seeds and solid arrays Synergistically induced dendrite-free and stable Li anode towards long-life lithium-oxygen batteries

Dalian, China | Posted on July 22, 2022

This work was published in the Journal of Energy Chemistry as a research paper titled “Lithophilic seeds and solid arrays synergistically induced dendrite-free and stable Li anode towards long-life lithium-oxygen batteries.”

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About Dalian Institute of Chemical Physics, Chinese Academy of Sciences
The Journal of Energy Chemistry is a publication that primarily reports on creative research and innovative applications of chemical energy conversions from fossil fuels, carbon dioxide, electrochemical energy, and hydrogen energy, as well as biomass and solar energy conversions related to chemical issues, to promote of academic exchange in the field of energy chemistry and to accelerate research, research and development in energy sciences and technologies.

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Contacts:
Xiaoluan Wei
Dalian Institute of Chemical Physics, Chinese Academy of Sciences

Office: 86-041-184-379-021

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