Understanding the air sensitivity and deterioration mechanism of the Na <sub>4</sub> Fe <sub>3</sub> (PO <sub>4</sub> ) <sub>2</sub> P <sub>2</sub> O <sub>7</sub> cathode for Na-ion batteries
Xinyu Li, Sheng Dai, Qinlong Chen, Hongyan Mao, Huilin Pan
Abstract
The Na 4 Fe 3 (PO 4 ) 2 P 2 O 7 cathode material deteriorates upon exposure to air, leading to Na, P, and Fe ion extraction and crystalline structure degradation. Re-sintering process can effectively restores the material.
Topics & Concepts
CathodeSensitivity (control systems)Materials scienceAnalytical Chemistry (journal)MineralogyChemistryEnvironmental chemistryPhysical chemistryEngineeringElectronic engineeringAdvanced Battery Technologies ResearchAdvancements in Battery MaterialsTransition Metal Oxide Nanomaterials