Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 12 of 12 for “"Na-ion batteries"”.
-
Ab Initio Anode Materials Discovery for Li- and Na-Ion Batteries
… study anode materials for lithium- and sodium- ion batteries (LIBs and NIBs, respectively). Initial work relates to a theoretical structure prediction study of the lithium and sodium phosphide systems in the context of phosphorus anodes as candidates for LIBs and NIBs. The work reveals new Li-P …
-
COMPUTATIONAL STUDIES OF ORGANIC ELECTRODE MATERIALS FOR LI AND NA ION BATTERIES
… are promising to be used as electrodes for Li/Na ion batteries, which can be sustainable and scalable. Moreover, many organic electrode materials provide similar performance in Li and Na ion batteries, which is not the case for most inorganic materials. As one of post-Li ion batteries, Na ion …
-
Microrecycling of Batteries and Carbon-Containing Waste for Manufacturing Different Materials
… energy storage systems—driven by the expansion of electronics, electric vehicles, electric transportation, and grid storage—is fueling both the surge in battery production and the accumulation of spent batteries after their service life. Currently, lithium-ion (Li-ion) batteries dominate the …
-
Ab-initio simulation of novel solid electrolytes
All solid-state batteries may be a solution to some of the problems facing conventional organic electrolytes in Li and Na-ion batteries, but typically conductivities are very low. Reports of fast lithium conduction in Li 0GeP 2S1 2 (LGPS), with conductivity of 12 mS/cm at room temperature, have …
-
Heteroatom-Doped Graphitic Materials for Energy Storage
The transition to a zero-carbon society will require a new generation of energy storage technology with high energy density. Central to this are novel electrode materials that possess high specific capacities (mAh g−1) and long cycling lifetimes. Modern lithium-ion batteries utilise graphite as an …
-
A generalized form for frequency-response modeling of battery energy storage systems
The increasing reliance on rechargeable batteries necessitates advanced diagnostic tools. This thesis identifies and validates a generalized 14 parameter distributed equivalent circuit model (dECM) capable of describing the electrochemical impedance behavior of three commercial battery chemistries: …
-
Multi-redox active polyanionic cathodes for alkali-ion batteries
In order for alkali-ion batteries to gain widespread adoption as the energy storage technology of choice for transportation and grid applications, their energy must be improved. One key step towards this necessary improvement is the development of new battery cathode materials. In this thesis, two …
-
Ab initio prediction of thermodynamics in alkali metal-air batteries
… vehicles ("EVs") require high-energy-density batteries with reliable cyclability and rate capability. However, the current state-of-the-art Li-ion batteries only exhibit energy densities near ~150 Wh/kg, limiting the long-range driving of EVs with one charge and hindering their wide-scale …
-
Macroporous metal oxide battery electrode performance analysis and operando spectroscopy
Vast consumption of fossil fuels has catapulted greenhouse gas emissions which have contributed to increasing the global average temperature at a frightening rate. Thankfully, sun, wind and tides have massive potential to provide energy in an environmentally friendly way. However, maintaining these …
-
Symmetry in Crystal Structure Prediction
… have made in silico crystal structure prediction (CSP) a reality. Armed with this powerful technique, it is now possible to explore the energy landscapes of unknown systems and predict stable phases with confidence. Having determined the structure of a material, many useful material …
-
Characterising Electrolyte Interactions with Carbon Anodes for Sodium Ion Batteries
… energy, is placing an increased demand on Li-ion batteries (LIBs). Na-ion batteries (NIBs) are seen as a promising alternative to LIBs due to their lower cost and environmental impact. As Na has a similar chemistry to Li, the transfer of battery technology is also expected to be …
-
Molecular-level interphase design for sustainable batteries
Since the first commercialization of Li-ion batteries (LIBs) in 1991, they have continued to power the society for decades. However, the ever-growing demands pose challenges to their sustainability in terms of restricted energy density, inadequate cycle life, and limited key resources. In the first …