Image: Adapted from ACS Central Science 2024, DOI: 10.1021/ACSentsci.4C01615
By ESS News
The environmentally friendly and high-safe aluminum ion batteries have attracted a lot of interest, but the extensive use of expensive electrolyte, strong moisture sensitivity and severe corrosion of the al-anode have limited their commercial application.
Now researchers at the Beijing Institute of Technology, University of Science and Technology Beijing and Lanzhou University of Technology have presented a new aluminum ion battery that has shown an exceptionally long cycling life because of a newly developed electrolyt.
The team added an inert aluminum fluoride salt to an al-ion containing electrolyte, which changed an electrolyte to a fixed state. The aluminum fluoride salt has a 3D -porous structure, so that aluminum ions can easily jump over the electrolyte and increase the conductivity.
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