Recently, the Qingdao Institute of Bioenergy and Process, Chinese Academy of Sciences published a short communication article titled Li based anode: Is dendrite-free sufficient? In the journal Materials Today of Materials Science and Engineering Research. The author of this article is advanced Sun Fu, a project researcher of the battery positive electrode material research group, and the corresponding authors are Professor Chen Libao of Central South University and Dong Shanshan, a researcher of Qingdao Energy Research Institute.
In the early stage, the research team studied the working mechanism and decay mechanism of lithium metal batteries, and revealed the relationship between the decay of the overall electrochemical performance of the battery and the evolution of the morphology of the lithium metal electrode during the battery use process. That is, the lithium metal electrode is in the electrochemical process The irreversible causes of the decline in the electrochemical performance of lithium metal batteries. According to previous research results (ACS Energy Lett. 2020, 5, 152; ChemElectroChem, 2019, 2, 5787), this article is aimed at the current lithium metal battery academia and industry to try to achieve lithium by suppressing the generation of dendritic morphology lithium Comment on the commercial application of metal batteries. The article first pointed out that verifying the cycling performance of lithium metal electrodes by relying only on electrochemical characterization has certain limitations, and proposed the use of a more comprehensive and comprehensive basic research test method to enhance people's understanding of the working principle of lithium metal electrodes. In addition, the article also emphasizes that it is not possible to promote lithium metal batteries from the laboratory to the market by simply suppressing the production of lithium in dendritic morphology. The current main research content should be placed on the deposited lithium (including the The chemical and electrochemical nature of crystalline topography lithium and other topography lithium and their production mechanism.
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