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A study of a novel Na ion battery and its anodic degradation using sodium rich prussian blue cathode coupled with different titanium based oxide anodes

A study of a novel Na ion battery and its anodic degradation using sodium rich prussian blue cathode coupled with different titanium based oxide anodes
Mukherjee, SantanuBates, AlexSchuppert, NicholasSon, ByungrakKim, Joo GonChoi, Jae SungChoi, Moon JongLee, Dong-HaKwon, OsungJasinski, JacekPark, Sam
DGIST Authors
Son, ByungrakLee, Dong-Ha
Issued Date
Article Type
SHELL NANOPARTICLESSodium BatteriesSodium BatterySpecific CapacitiesSTORAGEThermal AnalysisThermoanalysisTitanium-BasedTitanium DioxideTitanium OxidesTransition-Metal OxidesTransition Metal CompoundsTransition Metal OxidesTransition MetalsVOLTAGEX Ray DiffractionAnodesAnodic OxidationCathodesElectric BatteriesELECTROCHemICAL DEGRADATIONElectrodesElectrodesHEXACYANofERRATEInfrared ImagingINSERTIONINTERCALATIONLayered StructureLayered StructuresNa-Ion BatteriesNA2TI3O7NANOTUBESOpen Circuit VoltageOPEN FRAMEWORKTitanatePhotodegradationPrussian Blue
This paper analyzes the behavior and studies the thermal degradation phenomena of a novel sodium rich Prussian blue cathode with a sodium deficient and sodium rich anode system viz. amorphous TiO2, crystalline (pristine), and heat treated TiO2 and Na2Ti3O7, respectively. The primary aim of the research was to demonstrate the superiority of the Na2Ti3O7 anode, which in principle can be considered "pre-stressed" by Na atoms when converted from TiO2 to Na2Ti3O7. Another motive of the research was to analyze exhaustively the layered anode structure and its degradation phenomena using the unique technique of thermal imaging to correlate it with post cycled X-ray diffraction (XRD) and an AC impedance study. The Na2Ti3O7 system was seen as more stable than the other tested TiO2 based anodes and produced an open circuit voltage (OCV) of 3.59 V and a maximum specific capacity of 92.18 mAh g-1 when the electrolyte used was dissolved in an organic solvent. Under the same conditions, the TiO2 sample showed an OCV of 3.41 V and a maximum specific capacity of 71.93 mAh g-1. Thermal imaging studies show that the maximum electrochemical degradation occurs at the anode of the samples with the TiO2 sample being more susceptible to corrosion. © 2015 Elsevier B.V. All rights reserved.
Related Researcher
  • 손병락 Son, Byungrak 에너지융합연구부
  • Research Interests 연료전지; Fuel Cell; 하이브리드 전원; Hybrid Power; 스택; Stack; 촉매; Catalyst; 연료전지시스템; Fuel Cell System;센서네트워크;Sensor Network
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Appears in Collections:
Division of Intelligent Robotics 1. Journal Articles
Division of Energy Technology 1. Journal Articles


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