Abstract
Chemical delithiation of layered LiCoO 2, LiNi 0.5Mn 0.5O 2, and Li 2MnO 3 and spinel LiMn 2O 4 cathodes have been investigated with both an acetonitrile (non-aqueous) solution of the oxidizer NO 2BF 4 and an aqueous acid. The products have been characterized by X-ray diffraction, wet chemical analyses for lithium and oxygen contents, infrared spectroscopy, and thermogravimetric analysis to determine whether or not protons are incorporated into the lattice during the delithiation process. While the delithiation in aqueous acid medium leads to an incorporation of protons into the layered oxide lattice, the non-aqueous delithiation with NO 2BF 4 does not involve any proton insertion into the lattice. In contrast to the layered oxides, the chemical delithiation of spinel LiMn 2O 4 even in the aqueous acid medium does not involve any proton insertion into the lattice.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
