Ida Källquist
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View article: <i>Operando</i> APXPS for direct probing of Li ion battery LCO electrode/electrolyte interface chemistry during lithiation/delithiation
<i>Operando</i> APXPS for direct probing of Li ion battery LCO electrode/electrolyte interface chemistry during lithiation/delithiation Open
Operando APXPS for interface chemistry on Li ion battery materials LCO during lithiation and delithiation.
View article: Effects of partial isovalent substitution of V with (Ti,Fe) on redox reactivity in Li<sub>2</sub>VO<sub>2</sub>F battery cathodes
Effects of partial isovalent substitution of V with (Ti,Fe) on redox reactivity in Li<sub>2</sub>VO<sub>2</sub>F battery cathodes Open
The influence of substitution of V with Fe or Ti in the Li-rich battery cathode material Li 2 VO 2 F was investigated utilizing XAS and RIXS to obtain bulk sensitive information about electronic structure changes.
View article: Investigating Surface Reactivity of a Ni-Rich Cathode Material toward CO<sub>2</sub>, H<sub>2</sub>O, and O<sub>2</sub> Using Ambient Pressure X-ray Photoelectron Spectroscopy
Investigating Surface Reactivity of a Ni-Rich Cathode Material toward CO<sub>2</sub>, H<sub>2</sub>O, and O<sub>2</sub> Using Ambient Pressure X-ray Photoelectron Spectroscopy Open
Layered Ni-rich transition metal oxide materials are considered the most promising cathodes for use in commercial Li-ion batteries. Due to their instability in air, an impurity layer forms during storage under ambient conditions, and this …
View article: Potentials in Li-Ion Batteries Probed by Operando Ambient Pressure Photoelectron Spectroscopy
Potentials in Li-Ion Batteries Probed by Operando Ambient Pressure Photoelectron Spectroscopy Open
The important electrochemical processes in a battery happen at the solid/liquid interfaces. Operando ambient pressure photoelectron spectroscopy (APPES) is one tool to study these processes with chemical specificity. However, accessing thi…
View article: Advances in studying interfacial reactions in rechargeable batteries by photoelectron spectroscopy
Advances in studying interfacial reactions in rechargeable batteries by photoelectron spectroscopy Open
X-ray photoelectron spectroscopy is a key characterisation technique in the study of interfacial reactions within modern rechargeable batteries.
View article: Probing Electrochemical Potential Differences over the Solid/Liquid Interface in Li-Ion Battery Model Systems
Probing Electrochemical Potential Differences over the Solid/Liquid Interface in Li-Ion Battery Model Systems Open
The electrochemical potential difference (Δμ̅) is the driving force for the transfer of a charged species from one phase to another in a redox reaction. In Li-ion batteries (LIBs), Δμ̅ values for both electrons and Li-ions play an important …
View article: HIPPIE: a new platform for ambient-pressure X-ray photoelectron spectroscopy at the MAX IV Laboratory
HIPPIE: a new platform for ambient-pressure X-ray photoelectron spectroscopy at the MAX IV Laboratory Open
HIPPIE is a soft X-ray beamline on the 3 GeV electron storage ring of the MAX IV Laboratory, equipped with a novel ambient-pressure X-ray photoelectron spectroscopy (APXPS) instrument. The endstation is dedicated to performing in situ and …
View article: Stabilization of Li-Rich Disordered Rocksalt Oxyfluoride Cathodes by Particle Surface Modification
Stabilization of Li-Rich Disordered Rocksalt Oxyfluoride Cathodes by Particle Surface Modification Open
Promising theoretical capacities and high voltages are offered by Li-rich disordered rocksalt oxyfluoride materials as cathodes in lithium-ion batteries. However, as has been discovered for many other Li-rich materials, the oxyfluorides su…
View article: CSD 1921479: Experimental Crystal Structure Determination
CSD 1921479: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 1921477: Experimental Crystal Structure Determination
CSD 1921477: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 1921478: Experimental Crystal Structure Determination
CSD 1921478: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Degradation Mechanisms in Li<sub>2</sub>VO<sub>2</sub>F Li-Rich Disordered Rock-Salt Cathodes
Degradation Mechanisms in Li<sub>2</sub>VO<sub>2</sub>F Li-Rich Disordered Rock-Salt Cathodes Open
The increased energy density in Li-ion batteries is particularly dependent on the cathode materials that so far have been limiting the overall battery performance. A new class of materials, Li-rich disordered rock salts, has recently been …
View article: Improved cycling stability in high-capacity Li-rich vanadium containing disordered rock salt oxyfluoride cathodes
Improved cycling stability in high-capacity Li-rich vanadium containing disordered rock salt oxyfluoride cathodes Open
Lithium-rich transition metal disordered rock salt (DRS) oxyfluorides have the potential to lessen one large bottleneck for lithium ion batteries by improving the cathode capacity.