Abstract
A lithium phosphate surface coating can protect water-sensitive LiNi0.8Co0.15Al0.05O2 (NCA) particles during aqueous electrode manufacturing. Herein, the coating process was performed by using a spray drying process, an easy method for upscaling. The coating provides enhanced protection against water that is reflected in a significantly reduced formation of detrimental water-induced surface species. As a consequence, full cells containing water-based electrodes with coated NCA and graphite anodes demonstrate good long-term 1C cycling performance with a capacity retention of 80% maintained after more than 730 cycles and a remaining capacity of approximately 130 mAh g−1.
Funder
Bayerisches Staatsministerium für Wirtschaft und Medien, Energie und Technologie
Publisher
The Electrochemical Society
Subject
Materials Chemistry,Electrochemistry,Surfaces, Coatings and Films,Condensed Matter Physics,Renewable Energy, Sustainability and the Environment,Electronic, Optical and Magnetic Materials
Cited by
15 articles.
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