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Vacancy Ordering in gamma-Phase BIMEVOX Solid Electrolytes
The BIMEVOXes are an important family of fast oxide ion conducting solids that exhibit very high conductivities at low and intermediate temperature and are being investigated... -
Commissioning of in-situ electrochemical cell
This dataset has no description
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Local structure within Li+ depleted LiFePO4
Lithium iron phosphate is a commonly used cathode material in Li-ion batteries. The material exhibits a two phase system on lithiation and delithiation with narrow solid... -
In situ neutron diffraction study of Sr0.75Y0.25CoO2.62
Sr0.75Y0.25CoO2.62 is a promising cathode material for solid oxide fuel cells. It shows metallic behaviour above 600K and molecular dynamics simulations have concluded that... -
Structural Investigations of Substituted Bornites
Thermoelectric (TE) materials enable the recovery of useful electrical energy from waste heat. High-efficiency requires a high electrical conductivity to be coupled with a high... -
Structural analysis and in-situ study of the conductivity of LiBD4 and 0.33Li...
We request 3 days on GEM to perform in-situ neutron diffraction and electrical conductivity studies of LiBD4 (crystalline and after quenching from 500K) and 0.33LiI.LiBD4 as a... -
Local structure in cation substituted Zn2TiO4 inverse spinel
Considerable research has been devoted to materials to fulfil the roles of electrodes and electrolyte within SOFCs, with focus on the fluorite or perovskite crystal structures.... -
In-situ neutron diffraction investigation of Ni-based batteries
Ni-based secondary batteries are currently used in many applications, however, the structural changes at the electrodes are not fully characterized and neutron diffraction is a... -
Local Structure within Fluorite-Pyrochlore Solid Solutions
This proposal requests 6 days beamtime on the Polaris diffractometer to study the nature of the local structure within two systems which have been reported to show a solid... -
Cation coordination and oxide ion vacancy distribution in tetravalent substit...
Oxide ion conductors based on bismuth oxide based have recently been demonstrated as viable alternatives to traditional electrolytes for intermediate temperature solid oxide... -
Oxide Ionic Conductivity in Anion-Deficient Fluorites
The last couple of decades have seen a rapidly increasing interest in new environment friendly energy sources and one key aspect of this research involves characterisation of... -
Stability in bismuth yttrium tungsten oxide solid electrolyte
Recent studies have shown it is possible to utilize bismuth oxide based materials in solid oxide fuel cells. This has generated renewed interest in stabilised fluorite... -
Local Structure in Neodymium Doped Ceria
Doped cerias are currently being used as oxide ion conducting electrolyte materials in solid oxide fuel cells (SOFCs). The conduction mechanism in electrolytes is dependent on... -
Crystal Structure of Proton-conducting Double doped Perovskite BaZr0.5In0.25Y...
Considerable effort is currently given to investigate proton conducting electrolyte materials for intermediate temperature range (200-500 °C) fuel cells (ITFCs). This proposal... -
In situ diffraction studies of cathode materials for Li ion batteries
Li-ion batteries are interesting because they offer high power and, as a consequence, they are preferred to aqueous-based batteries for traction applications e.g. hybrid... -
Acceptor-doped BiFeO3: Oxide Ion Conduction and Possible Structural Disorder.
2 days of beamtime is requested on Polaris to study the defect structure of an oxide-ion conductor Bi1-xBaxFeO3-x/2. RT total neutron scattering studies on samples heat treated... -
Unusual polymorphism in sodalites
We have recently observed extraordinary polymorphism on cooling various sodalites under vacuum. Materials undergo a phase transition followed by a fully reversible... -
In-situ thermoelectric measurements of copper chalcogenides
Thermoelectric devices are capable of converting thermal energy directly into electrical energy. The efficiency of a device is related to the characteristics of the materials of... -
Ordering in La/W Double Substituted Bismuth Oxide Based Fluorites
Materials that show fast oxide ion conduction have potential applications as electrolytes in devices such as solid oxide fuel cells (SOFCs), gas sensors and gas separation... -
In-situ Thermoelectric Measurements of Copper Iron Sulphides
Thermoelectric devices are capable of converting thermal energy directly into electrical energy. Large-scale applications of the technology requires materials that are composed...
