Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li₂MnO₃, studied by soft X-ray absorption spectroscopy

Masatsugu Oishi, Keisuke Yamanaka, Iwao Watanabe, +7

Journal of Materials Chemistry A

EngineeringCharge Compensation ReactionsChemistryReversible Redox CyclesChemical Engineering +14

Direct observation of reversible charge compensation by oxygen ion in Li-rich manganese layered oxide positive electrode material, Li1.16Ni0.15Co0.19Mn0.50O2

Masatsugu Oishi, Chihiro Yogi, Iwao Watanabe, +4

Journal of Power Sources

Materials ScienceChemical EngineeringElectrical EngineeringEngineeringBattery Electrode Materials +11

Charge compensation mechanisms in Li1.16Ni0.15Co0.19Mn0.50O2 positive electrode material for Li-ion batteries analyzed by a combination of hard and soft X-ray absorption near edge structure

Masatsugu Oishi, Takahiro Fujimoto, Yu Takanashi, +16

Journal of Power Sources

Materials ScienceElectrical EngineeringEdge StructureEngineeringBattery Electrode Materials +11

Oxygen nonstoichiometry and defect structure analysis of B-site mixed perovskite-type oxide (La, Sr)(Cr, M)O3−δ (M=Ti, Mn and Fe)

Masatsugu Oishi, Keiji Yashiro, Kazuhisa Sato, +2

Journal of Solid State Chemistry

Materials ScienceInorganic ChemistryChemical EngineeringOxygen NonstoichiometryEngineering +8

Defect structure analysis of B-site doped perovskite-type proton conducting oxide BaCeO3

Masatsugu Oishi, Satoshi Akoshima, Keiji Yashiro, +3

Solid State Ionics

Materials ScienceEngineeringPerovskite Solar CellPerovskite-type ProtonOxide Electronics +7

Direct observation of layered-to-spinel phase transformation in Li₂MnO₃ and the spinel structure stabilised after the activation process

Keiji Shimoda, Masatsugu Oishi, Toshiyuki Matsunaga, +8

Journal of Materials Chemistry A

EngineeringSolid-state ChemistryChemistryInorganic MaterialSpinel Structure +18

Defect chemical studies on oxygen release from the Li-rich cathode material Li_1.2Mn_0.6Ni_0.2O_2−δ

Takashi Nakamura, Hongze Gao, Kento Ohta, +6

Journal of Materials Chemistry A

EngineeringDefect ChemistryDefect Chemical StudiesChemistryChemical Engineering +15

Defect structure analysis of B-site doped perovskite-type proton conducting oxide BaCeO3 Part 1: The defect concentration of BaCe0.9M0.1O3− (M = Y and Yb)

Masatsugu Oishi, Satoshi Akoshima, Keiji Yashiro, +3

Solid State Ionics

Materials ScienceEngineeringPerovskite-type ProtonFerroelectric ApplicationOxide Electronics +5

X-ray Absorption Spectroscopic Study on La_0.6Sr_0.4CoO_3−δCathode Materials Related with Oxygen Vacancy Formation

Yuki Orikasa, Toshiaki Ina, Takayuki Nakao, +6

The Journal of Physical Chemistry C

Materials ScienceOxygen Reduction ReactionTransition Metal ChalcogenidesX-ray SpectroscopyEngineering +7

Nanoscale Observation of the Electronic and Local Structures of LiCoO₂ Thin Film Electrode by Depth-Resolved X-ray Absorption Spectroscopy

Daiko Takamatsu, Takayuki Nakatsutsumi, Shinichiro Mori, +13

The Journal of Physical Chemistry Letters

EngineeringNanoscale ObservationElectrode-electrolyte InterfaceChemistryLocal Structures +15