Browsing Waterloo Research by Author "Kaliyappan, Karthikeyan"
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Facile solid-state synthesis of eco-friendly sodium iron silicate with exceptional sodium storage behaviour
Kaliyappan, Karthikeyan; Chen, Zhongwei (Elsevier, 2018-09-01)It is crucial to develop stable energy sources for rechargeable sodium-ion batteries using simple synthesis methods. Herein, we report a facile route for synthesizing phase-pure carbon-coated Na2FeSiO4 polyanionic cathodes ... -
An ion conductive polyimide encapsulation: New insight and significant performance enhancement of sodium based P2 layered cathodes
Kaliyappan, Karthikeyan; Li, Gaoran; Yang, Lin; Bai, Zhengyu; Chen, Zhongwei (Elsevier, 2019-11)It is essential to stabilize the surface of P2 layered cathode materials at high cut-off voltages (>4.3 V) in order to construct high-energy sodium ion batteries (SIB) that are promising for commercial application. When ...