Abstract
Alginic acid (Alg-H) was applied as a novel aqueous binder for LiNi1/3Co1/3Mn1/3O2 (NMC) positive electrode for lithium-ion batteries (LIBs). We successfully obtained the pH-controlled aqueous slurry without any corrosion of NMC, which can also prevent a corrosion of an aluminum current collector. Using Alg-H can realize higher adhesive strength of the electrode even low content of 2 wt.% than using carboxymethyl cellulose and polyvinylidene difluoride. Galvanostatic charge-discharge cycle performances of both half cell and full cell composed of the NMC electrode with Alg-H are stable even at high voltage operation of 3.0-4.5 V, indicating that no side reaction including corrosion of the aluminum current collector and the decomposition of Alg-H binder occurs in this system. Moreover, this cell maintained over 90% of the initial discharge capacitance even after 100 cycles. These results suggest that the Alg-H binder has high potential to be used as an aqueous binder for positive electrodes of LIBs.
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.
