Mark Copley
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View article: Upscaling Sodium‐Ion Battery Cells: From Aqueous Processing to Performance Assessment of Hard Carbon|Prussian White Pouch Cells
Upscaling Sodium‐Ion Battery Cells: From Aqueous Processing to Performance Assessment of Hard Carbon|Prussian White Pouch Cells Open
Sodium‐ion batteries (SIBs) are a promising emerging battery technology, yet achieving competitive cycle life, energy density, and cost remains critical, particularly as LiFePO 4 /graphite cells price continues to decline. Conventional cat…
View article: 3-Methyl-2-oxazolidinone (JEFFSOL® MEOX) as a Substitute Solvent for NMP in Battery Manufacturing
3-Methyl-2-oxazolidinone (JEFFSOL® MEOX) as a Substitute Solvent for NMP in Battery Manufacturing Open
This work presents 3-Methyl-2-oxazolidinone (JEFFSOL® MEOX) as a substitute solvent for N-methyl-2-pyrrolidone (NMP) in the manufacture of Li-ion batteries. NMP is a good solvent for polyvinylidene difluoride (PVDF, a common binder materia…
View article: Influence of Particle Size and Mass Loading of Hard Carbon on Sodium Ion Battery Rate Performance in Industrially Relevant Full Cells
Influence of Particle Size and Mass Loading of Hard Carbon on Sodium Ion Battery Rate Performance in Industrially Relevant Full Cells Open
Sodium-ion batteries (SIBs) represent a great opportunity for stationary storage, back-up power supply and light electric vehicle applications. Energy and power requirements for these applications needs to be satisfied. Beside material imp…
View article: A compatibility study of protective coatings for temperature sensor integration into sodium-ion battery cells
A compatibility study of protective coatings for temperature sensor integration into sodium-ion battery cells Open
Instrumented battery cells (i.e. those containing sensors) and smart cells (with integrated control and communication circuitry) are essential for the development of the next-generation battery technologies, such as Sodium-ion Batteries (S…
View article: Scale-Up of Lithium Iron Phosphate Cathodes with High Active Materials Contents for Lithium Ion Cells
Scale-Up of Lithium Iron Phosphate Cathodes with High Active Materials Contents for Lithium Ion Cells Open
The size of a lithium iron phosphate (LFP) cathode mix was increased by a factor of thirty, and the capacity of the cells produced with it by a factor of three-hundred. As well as rate and cycling tests, the coatings were also characterise…
View article: Design of experiments for optimizing the calendering process in Li-ion battery manufacturing
Design of experiments for optimizing the calendering process in Li-ion battery manufacturing Open
Calendering is a key yet complex manufacturing process that has varied effects on the Li-ion battery cell performance. Finding the optimal compaction can require many experiments if using the traditional one-factor-at-a-time method, which …
View article: Optimisation of Industrially Relevant Electrode Formulations for LFP Cathodes in Lithium Ion Cells
Optimisation of Industrially Relevant Electrode Formulations for LFP Cathodes in Lithium Ion Cells Open
The electrode formulation has a significant effect on the performance of lithium ion cells. The active material, binder, and conductive carbon all have different roles, and finding the optimum composition can be difficult using an iterativ…
View article: Measurement of anisotropic volumetric resistivity in lithium ion electrodes
Measurement of anisotropic volumetric resistivity in lithium ion electrodes Open
Lithium ion electrodes with carbon fibres can show X – Y anisotropy in their electronic conductivity. The interface resistance between coatings and foils is much larger than the coating resistance; for cathodes the former is reduced by cal…
View article: Understanding dehydration of Prussian white: from material to aqueous processed composite electrodes for sodium-ion battery application
Understanding dehydration of Prussian white: from material to aqueous processed composite electrodes for sodium-ion battery application Open
Understanding dehydration of Prussian white systems to enable processability of water-based electrodes for sustainable and high capacity sodium-ion batteries.
View article: The Impact of Calendering Process Variables on the Impedance and Capacity Fade of Lithium‐Ion Cells: An Explainable Machine Learning Approach
The Impact of Calendering Process Variables on the Impedance and Capacity Fade of Lithium‐Ion Cells: An Explainable Machine Learning Approach Open
Determining the calendering process variables during electrode manufacturing is critical to guarantee lithium‐ion battery cell's performance; however, it is challenging due to the strong and unknown interdependencies. Herein, explainable m…
View article: Roadmap on Li-ion battery manufacturing research
Roadmap on Li-ion battery manufacturing research Open
Growth in the Li-ion battery market continues to accelerate, driven primarily by the increasing need for economic energy storage for electric vehicles. Electrode manufacture by slurry casting is the first main step in cell production but m…
View article: Cross-sectional analysis of lithium ion electrodes using spatial autocorrelation techniques
Cross-sectional analysis of lithium ion electrodes using spatial autocorrelation techniques Open
Spatial autocorrelation techniques allow quantified analysis of the distribution of the binder and carbon components in lithium ion electrodes.
View article: A Comparison of Lithium-Ion Cell Performance across Three Different Cell Formats
A Comparison of Lithium-Ion Cell Performance across Three Different Cell Formats Open
To investigate the influence of cell formats during a cell development programme, lithium-ion cells have been prepared in three different formats. Coin cells, single layer pouch cells, and stacked pouch cells gave a range of scales of almo…
View article: Determining the Limits and Effects of High-Rate Cycling on Lithium Iron Phosphate Cylindrical Cells
Determining the Limits and Effects of High-Rate Cycling on Lithium Iron Phosphate Cylindrical Cells Open
The impacts on battery cell ageing from high current operation are investigated using commercial cells. This study utilised two tests–(i) to establish the maximum current limits before cell failure and (ii) applying this maximum current un…
View article: Electronic and Geometric Structures of Rechargeable Lithium Manganese Sulfate Li<sub>2</sub>Mn(SO<sub>4</sub>)<sub>2</sub> Cathode
Electronic and Geometric Structures of Rechargeable Lithium Manganese Sulfate Li<sub>2</sub>Mn(SO<sub>4</sub>)<sub>2</sub> Cathode Open
Here, we report the use of Li2Mn(SO4)2 as a potential energy storage material and describe its route of synthesis and structural characterization over one electrochemical cycle. Li2Mn(SO4)2 is synthesized by ball milling of MnSO4·H2O and L…
View article: MnPO<sub>4</sub>‐Coated Li‐NCM: MnPO<sub>4</sub>‐Coated Li(Ni<sub>0.4</sub>Co<sub>0.2</sub>Mn<sub>0.4</sub>)O<sub>2</sub> for Lithium(‐Ion) Batteries with Outstanding Cycling Stability and Enhanced Lithiation Kinetics (Adv. Energy Mater. 27/2018)
MnPO<sub>4</sub>‐Coated Li‐NCM: MnPO<sub>4</sub>‐Coated Li(Ni<sub>0.4</sub>Co<sub>0.2</sub>Mn<sub>0.4</sub>)O<sub>2</sub> for Lithium(‐Ion) Batteries with Outstanding Cycling Stability and Enhanced Lithiation Kinetics (Adv. Energy Mater. 27/2018) Open
In article number 1801573, Guk-Tae Kim, Zexiang Shen, Stefano Passerini and co-workers report MnPO4-coated LiNi0.4Co0.2Mn0.4O2 (MP-NCM) as a cathode material for lithium-ion batteries. The MnPO4 coating acts as a protective layer physicall…
View article: Effect of coatings on the green electrode processing and cycling behaviour of LiCoPO<sub>4</sub>
Effect of coatings on the green electrode processing and cycling behaviour of LiCoPO<sub>4</sub> Open
Natural compounds such as sucrose and Na-carboxymethyl cellulose enhance the cycling behavior of the high-voltage LiCoPO4 cathode material.