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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

Title
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
Author(s)
Mukherjee, SantanuBates, AlexSchuppert, NicholasSon, ByungrakKim, Joo GonChoi, Jae SungChoi, Moon JongLee, Dong-HaKwon, OsungJasinski, JacekPark, Sam
Issued Date
2015-07
Citation
Journal of Power Sources, v.286, pp.276 - 289
Type
Article
Author Keywords
Sodium batteriesIntercalationTransition metal oxidesLayered structureThermal analysis
Keywords
SHELL NANOPARTICLESSodium BatteriesSodium BatterySpecific CapacitiesSTORAGEThermal AnalysisThermoanalysisTitanium-BasedTitanium DioxideTitanium OxidesTransition-Metal OxidesTransition Metal CompoundsTransition Metal OxidesTransition MetalsVOLTAGEX Ray DiffractionAnodesAnodic OxidationCathodesElectric BatteriesELECTROCHemICAL DEGRADATIONElectrodesHEXACYANofERRATEInfrared ImagingINSERTIONINTERCALATIONLayered StructureLayered StructuresNa-Ion BatteriesNA2TI3O7NANOTUBESOpen Circuit VoltageOPEN FRAMEWORKTitanatePhotodegradationPrussian Blue
ISSN
0378-7753
Abstract
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.
URI
http://hdl.handle.net/20.500.11750/2594
DOI
10.1016/j.jpowsour.2015.03.167
Publisher
ELSEVIER SCIENCE BV
Related Researcher
  • 손병락 Son, Byungrak
  • Research Interests Fuel Cell System; 연료전지시스템; Self Hydrogen Production & Supply System; 자가 수소생산공급시스템; Hybrid Power System; 하이브리드 전원시스템; Intergated Control System; 통합제어시스템; Sensor Networks; 센서네트워크
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Appears in Collections:
Division of Intelligent Robot 1. Journal Articles
Division of Energy & Environmental Technology 1. Journal Articles
Convergence Research Center for Wellness 1. Journal Articles

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