A5064775142- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Philosophical Ethics and Theory
- Historical Philosophy and Science
- Supercapacitor Materials and Fabrication
- Classical Philosophy and Thought
- Advanced Battery Technologies Research
- Epistemology, Ethics, and Metaphysics
- Philosophy and Theoretical Science
- Philosophy, Science, and History
- Hume's philosophy and hair distribution
- Logic, Reasoning, and Knowledge
- Pragmatism in Philosophy and Education
- Ferroelectric and Piezoelectric Materials
- Semiconductor materials and interfaces
- Philosophy and History of Science
- Environmental Philosophy and Ethics
- European and International Law Studies
- Archaeology and Natural History
- Legal principles and applications
- American Environmental and Regional History
- Language, Metaphor, and Cognition
- Classical Studies and Legal History
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University of Oxford
2015-2021
Oxfam
2018-2019
Science Oxford
2018
University of California, San Diego
2015
University of Hull
1989-2008
Magnesium substituted P2-structure Na0.67Ni0.3Mn0.7O2 materials have been prepared by a facile solid-state method and investigated as cathodes in sodium-ion batteries. The Mg-doped described here were characterized X-ray diffraction (XRD), 23Na nuclear magnetic resonance (SS-NMR), scanning electron microscopy (SEM). electrochemical performance of the samples was tested half cells vs Na metal at room temperature. operate high average voltage ca. 3.3 V Na/Na+ delivering specific capacities...
In this article, the nature of “Z”-phase, which forms on charging many P2-type compounds to high voltages, is probed.
Tin sulfide–reduced graphene oxide (SnS2-rGO) composite material is investigated as an advanced anode for Na-ion batteries. It can deliver a reversible capacity of 630 mAh g–1 with negligible loss and exhibits superb rate performance. Here, the energy storage mechanism this SnS2-rGO critical mechanistic role rGO will be revealed in detail. A synergistic involving conversion alloying reactions proposed based on our synchrotron X-ray diffraction (SXRD) situ absorption spectroscopy (XAS)...
A new high performance cathode material for Li-ion batteries with a disordered rocksalt structure powered by manganese and oxygen redox.
It is possible to increase the charge capacity of transition-metal (TM) oxide cathodes in alkali-ion batteries by invoking redox reactions on oxygen. However, oxygen loss often occurs. To explore what affects materials, we have compared two analogous Na-ion cathodes, P2-Na0.67Mg0.28Mn0.72O2 and P2-Na0.78Li0.25Mn0.75O2. On charging 4.5 V, >0.4e– are removed from ions these but neither compound exhibits loss. Li retained P2-Na0.78Li0.25Mn0.75O2 displaced TM alkali metal layers, showing that...
A detailed investigation on the effects of Mg substitution (0 ≤ <italic>x</italic> 0.2) in high voltage P2-Na<sub>2/3</sub>Ni<sub>1/3−x</sub>Mg<sub>x</sub>Mn<sub>2/3</sub>O<sub>2</sub> cathode materials for Na-ion batteries.
Abstract Lithium‐rich transition metal cathodes can deliver higher capacities than stoichiometric materials by exploiting redox reactions on oxygen. However, oxidation of O 2− charging often results in loss oxygen from the lattice. In case Li 2 MnO 3 all capacity arises loss, whereas doping with Ni and/or Co leads to archetypal O‐redox Li[Li 0.2 Mn 0.6 ]O and 0.13 0.54 , which exhibit much reduced loss. Understanding factors that determine degree reversible versus irreversible O‐loss is...
The Na<sub>x</sub>[Ni<sub>(x−y)/2</sub>Mn<sub>(2−x−y)/2</sub>Fe<sub>y</sub>]O<sub>2</sub> composition space was explored, and two compositions were identified as P2 compounds that can deliver high energy densities.
Journal Article Reid's Conception of Common Sense Get access James Somerville University Hull Search for other works by this author on: Oxford Academic PubMed Google Scholar The Monist, Volume 70, Issue 4, 1 October 1987, Pages 418–429, https://doi.org/10.5840/monist198770424 Published: 11 December 2014
The argument presented on behalf of ‘the slightest philosophy’ by Hume that ‘The table, which we see, seems to diminish, as remove farther from it: But the real exists independent us, suffers no alteration’, in contrasting seen with table requires first relative clause be defining; but possibility identifying tables independently being non-defining. John P. Wright's objection Reid's rejoinder is rebutted. A similarly worded Alciphron avoids confusion since Berkeley denies things like can...
Journal Article Collingwood's Logic of Question and Answer Get access James Somerville The University Hull Search for other works by this author on: Oxford Academic PubMed Google Scholar Monist, Volume 72, Issue 4, 1 October 1989, Pages 526–541, https://doi.org/10.5840/monist198972427 Published: 09 December 2014
Lithium ion batteries have dominated the world of portable electronic devices over past two decades and are making their way into electric vehicle market due to high energy density. However, recently sodium regained interest scientific community uniform abundance across consequent low cost compared lithium, them attractive for grid storage. Various electrode materials been studied batteries. Layered oxides, NaMO 2 , where M is one or more transition metals, represent an class cathodes Na...
There is no common sense answer to a philosophical problem. One can defend against the attacks of philosophers only by solving their puzzles, i.e., curing them temptation attack sense; not restating views sense. A philosopher man out his senses, who doesn't see what everybody sees; nor on other hand disagreement with that scientist disagreeing coarse in street.'