Joshua W. Makepeace
YOU?
Author Swipe
View article: A Metastable Oxygen Redox Cathode for Lithium‐Ion Batteries
A Metastable Oxygen Redox Cathode for Lithium‐Ion Batteries Open
Simultaneously harnessing cation and anion redox activities in the cathode is crucial for the development of high energy‐density lithium‐ion batteries. However, achieving long‐term stability for both mechanisms remains a significant challe…
View article: A Metastable Oxygen Redox Cathode for Lithium‐Ion Batteries
A Metastable Oxygen Redox Cathode for Lithium‐Ion Batteries Open
Simultaneously harnessing cation and anion redox activities in the cathode is crucial for the development of high energy‐density lithium‐ion batteries. However, achieving long‐term stability for both mechanisms remains a significant challe…
View article: A solvothermal approach to nano-designing M-N-H systems: unveiling new pathways to dimensional control in the lithium nitride hydride ammonia synthesis catalyst
A solvothermal approach to nano-designing M-N-H systems: unveiling new pathways to dimensional control in the lithium nitride hydride ammonia synthesis catalyst Open
A new solvothermal synthesis route to Li–N–H materials enhances particle size and morphological control, with evidence for enhanced functional properties.
View article: Probing the electrochemical behaviour of lithium imide as an electrolyte for solid-state batteries
Probing the electrochemical behaviour of lithium imide as an electrolyte for solid-state batteries Open
Lithium imide is an underexplored candidate for an all-solid-state battery electrolyte. Here it is shown to possess many desirable properties and unusual electrochemical behaviour, alongside its first operation in two lithium metal batteri…
View article: Mitigating Strain Accumulation in Li<sub>2</sub>RuO<sub>3</sub> via Fluorine Doping
Mitigating Strain Accumulation in Li<sub>2</sub>RuO<sub>3</sub> via Fluorine Doping Open
Lithium ruthenium oxide (Li2RuO3) is an archetypal lithium rich cathode material (LRCM) with both cation and anion redox reactions (ARRs). Commonly, the instability of oxygen redox activities has been regarded as the …
View article: 2023 roadmap on ammonia as a carbon-free fuel
2023 roadmap on ammonia as a carbon-free fuel Open
The 15 short chapters that form this 2023 ammonia-for-energy roadmap provide a comprehensive assessment of the current worldwide ammonia landscape and the future opportunities and associated challenges facing the use of ammonia, not only i…
View article: Enhancement of the Catalytic Activity of Lithium Amide towards Ammonia Decomposition by Addition of Transition Metals
Enhancement of the Catalytic Activity of Lithium Amide towards Ammonia Decomposition by Addition of Transition Metals Open
The catalytic decomposition of ammonia to hydrogen is a vital process in the use of ammonia as a zero-carbon energy store. However, the viability of current catalyst systems in terms of operating conditions, versatility, and cost efficienc…
View article: Structure and dynamics of the negative thermal expansion material Cd(CN)$_2$ under pressure
Structure and dynamics of the negative thermal expansion material Cd(CN)$_2$ under pressure Open
We use a combination of variable-temperature / variable-pressure neutron powder diffraction, variable-pressure inelastic neutron scattering, and quantum chemical calculations to interrogate the behaviour of the negative thermal expansion (…
View article: A Metastable O6-Phase with Stable Cation and Anion Redox Reactions
A Metastable O6-Phase with Stable Cation and Anion Redox Reactions Open
View article: Lithium–nitrogen–hydrogen systems for ammonia synthesis: exploring a more efficient pathway using lithium nitride–hydride
Lithium–nitrogen–hydrogen systems for ammonia synthesis: exploring a more efficient pathway using lithium nitride–hydride Open
Lithium nitride–hydride offers advantages in stability, preparation method and activity for ammonia synthesis in a chemical looping regime.
View article: Facilitating green ammonia manufacture under milder conditions: what do heterogeneous catalyst formulations have to offer?
Facilitating green ammonia manufacture under milder conditions: what do heterogeneous catalyst formulations have to offer? Open
The transition to green ammonia is necessary, but conventional catalysts perform poorly under ‘green’ reaction conditions. We provide a perspective on the recent progress in developing more efficient catalysts for lower temperatures and pr…
View article: Addressing the climate challenge
Addressing the climate challenge Open
No abstract available.
View article: Spin-ice physics in cadmium cyanide
Spin-ice physics in cadmium cyanide Open
View article: Compositional flexibility in Li–N–H materials: implications for ammonia catalysis and hydrogen storage
Compositional flexibility in Li–N–H materials: implications for ammonia catalysis and hydrogen storage Open
A wide solid solution based on the lithium imide anti-fluorite structure is demonstrated and related to its energy storage functions.
View article: Materials for hydrogen-based energy storage – past, recent progress and future outlook
Materials for hydrogen-based energy storage – past, recent progress and future outlook Open
View article: Room temperature spin-ice physics in cadmium cyanide
Room temperature spin-ice physics in cadmium cyanide Open
Spin-ices are frustrated magnets that support a particularly rich variety of emergent physics. Typically, it is the interplay of magnetic dipole interactions, spin anisotropy, and geometric frustration on the pyrochlore lattice that drives…
View article: Reversible ammonia-based and liquid organic hydrogen carriers for high-density hydrogen storage: Recent progress
Reversible ammonia-based and liquid organic hydrogen carriers for high-density hydrogen storage: Recent progress Open
Liquid hydrogen carriers are considered to be attractive hydrogen storage options because of their ease of integration into existing chemical transportation infrastructures when compared with liquid or compressed hydrogen. The development …
View article: Synthesis, PtS-Type Structure, and Anomalous Mechanics of the Cd(CN)2 Precursor Cd(NH3)2[Cd(CN)4]
Synthesis, PtS-Type Structure, and Anomalous Mechanics of the Cd(CN)2 Precursor Cd(NH3)2[Cd(CN)4] Open
We report the nonaqueous synthesis of Cd(CN) 2 by oxidation of cadmium metal with Hg(CN) 2 in liquid ammonia. The reaction proceeds via an intermediate of composition Cd(NH 3 ) 2 [Cd(CN) 4 ], which converts to Cd(CN) 2 on prolonged heating…
View article: Synthesis, PtS-Type Structure, and Anomalous Mechanics of the Cd(CN)2 Precursor Cd(NH3)2[Cd(CN)4]
Synthesis, PtS-Type Structure, and Anomalous Mechanics of the Cd(CN)2 Precursor Cd(NH3)2[Cd(CN)4] Open
We report the nonaqueous synthesis of Cd(CN)2 by oxidation of cadmium metal with Hg(CN)2 in liquid ammonia. The reaction proceeds via an intermediate of composition Cd(NH3)2[Cd(CN)4
View article: Neutron diffraction and gravimetric study of the manganese nitriding reaction under ammonia decomposition conditions
Neutron diffraction and gravimetric study of the manganese nitriding reaction under ammonia decomposition conditions Open
In situ neutron diffraction of ammonia decomposition over manganese reveals the structures of different nitrides and kinetic information about their formation.
View article: Bulk phase behavior of lithium imide–metal nitride ammonia decomposition catalysts
Bulk phase behavior of lithium imide–metal nitride ammonia decomposition catalysts Open
Lithium imide is a promising new catalyst for the production of hydrogen from ammonia. This study reports the use of neutron and X-ray powder diffraction to investigate the presence of ternary nitrides in lithium-imide/metal nitride compos…
View article: Demonstrating hydrogen production from ammonia using lithium imide – Powering a small proton exchange membrane fuel cell
Demonstrating hydrogen production from ammonia using lithium imide – Powering a small proton exchange membrane fuel cell Open
View article: Application of novel catalysts: general discussion
Application of novel catalysts: general discussion Open
Elad Gross opened the discussion of the paper by Simon Kondrat: What are the surface properties of the perovskite materials that you used in your study? Are the surface and catalytic properties of Cr or Mn based perovskites similar to thos…
View article: Ammonia decomposition catalysis using non-stoichiometric lithium imide
Ammonia decomposition catalysis using non-stoichiometric lithium imide Open
The non-stoichiometric lithium imide–amide system effectively decomposes ammonia to its constituents, hydrogen and nitrogen. Isotopic studies show that this bulk catalytic reaction has the potential to generate high-purity hydrogen for fut…