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View article: Comparing Ni vs NiO as the Nickel Source in the All-Dry Laboratory and Industrial Scale Synthesis of LiNi<sub>0.925</sub>Mn<sub>0.02</sub>Co<sub>0.055</sub>O<sub>2</sub>
Comparing Ni vs NiO as the Nickel Source in the All-Dry Laboratory and Industrial Scale Synthesis of LiNi<sub>0.925</sub>Mn<sub>0.02</sub>Co<sub>0.055</sub>O<sub>2</sub> Open
Ni or NiO was used as the nickel source in two samples (Ni-92 and NiO-92) to make LiNi 0.925 Mn 0.02 Co 0.055 O 2 layered oxides using the all-dry synthesis process. In-situ X-ray Diffraction was conducted at the Canadian Light Source to p…
View article: In‐Situ Heating X‐Ray Diffraction of LiNi<sub>0.6</sub>Mn<sub>0.3</sub>Co<sub>0.1</sub>O<sub>2</sub> and LiNi<sub>0.7</sub>Mn<sub>0.3</sub>O<sub>2</sub> Made Using the All‐Dry Synthesis Process
In‐Situ Heating X‐Ray Diffraction of LiNi<sub>0.6</sub>Mn<sub>0.3</sub>Co<sub>0.1</sub>O<sub>2</sub> and LiNi<sub>0.7</sub>Mn<sub>0.3</sub>O<sub>2</sub> Made Using the All‐Dry Synthesis Process Open
In‐situ synthesis X‐ray diffraction is conducted at the Canadian Light Source to probe phase changes during the all‐dry synthesis of LiNi 0.6 Mn 0.3 Co 0.1 O 2 (NMC631) and LiNi 0.7 Mn 0.3 O 2 (NM73) made using either LiOH·H 2 O or Li 2 CO…
View article: Different Impacts of Dissolved Transition Metals on the Graphite Anode in Lithium-Ion Batteries
Different Impacts of Dissolved Transition Metals on the Graphite Anode in Lithium-Ion Batteries Open
The dissolution of transition metals (TM) from the cathode and their subsequent deposition on the anode represent significant degradation mechanisms in lithium-ion batteries, particularly as the industry seeks to transition towards more su…
View article: Operando 3D Imaging of Electrolyte Motion in Cylindrical Li-Ion Cells
Operando 3D Imaging of Electrolyte Motion in Cylindrical Li-Ion Cells Open
Electrolyte motion in commercial Li-ion batteries has become an important topic as researchers seek to understand patterns of degradation that occur in large-format cells. Recent work has linked the motion of excess electrolyte to Li plati…
View article: Characterizing Structure and Electrochemical Properties of Advanced Si/C Anode Materials
Characterizing Structure and Electrochemical Properties of Advanced Si/C Anode Materials Open
The increasing commercial interest in silicon-based anode materials for Li-ion batteries has driven the development of advanced structural designs to address the challenges of poor cycling stability. This study examines the structure of co…
View article: The Complex and Spatially Heterogeneous Nature of Degradation in Heavily Cycled Li-ion Cells
The Complex and Spatially Heterogeneous Nature of Degradation in Heavily Cycled Li-ion Cells Open
As service lifetimes of electric vehicle (EV) and grid storage batteries continually improve, it has become increasingly important to understand how cells perform after extensive cycling. The multifaceted nature of degradation in Li-ion ce…
View article: Hard X-ray imaging and tomography at the Biomedical Imaging and Therapy beamlines of Canadian Light Source
Hard X-ray imaging and tomography at the Biomedical Imaging and Therapy beamlines of Canadian Light Source Open
The Biomedical Imaging and Therapy facility of the Canadian Light Source comprises two beamlines, which together cover a wide X-ray energy range from 13 keV up to 140 keV. The beamlines were designed with a focus on synchrotron application…
View article: A Liquid and Waste-free Method for Preparing Single Crystal Positive Electrode Materials for Li-ion Batteries
A Liquid and Waste-free Method for Preparing Single Crystal Positive Electrode Materials for Li-ion Batteries Open
Nickel-rich layered positive electrode materials are normally made by a “co-precipitation-sintering” method. Mixed transition metal hydroxides called “precursors” are prepared by co-precipitation to ensure homogeneous cation mixing at the …
View article: Starting a conversation about racism with teenagers: using the social work research Dialogue Approach
Starting a conversation about racism with teenagers: using the social work research Dialogue Approach Open
Increased migration over the last two decades has resulted in greater diversity within Irish society. There is much debate around multiculturalism, diversity and integration, and how this is best achieved. As microcosms of society, schools…
View article: Long-Term Study on the Impact of Depth of Discharge, C-Rate, Voltage, and Temperature on the Lifetime of Single-Crystal NMC811/Artificial Graphite Pouch Cells
Long-Term Study on the Impact of Depth of Discharge, C-Rate, Voltage, and Temperature on the Lifetime of Single-Crystal NMC811/Artificial Graphite Pouch Cells Open
This work examined the impact of depth of discharge (DOD), C-rate, upper cut-off voltage (UCV), and temperature on the lifetime of single-crystal NMC811/Artificial Graphite (AG) cells. Cells were cycled at C/50, C/10, C/5, or C/3, and 25, …
View article: In-Situ Computed Tomography of Particle Microcracking and Electrode Damage in Cycled NMC622/Graphite Pouch Cell Batteries
In-Situ Computed Tomography of Particle Microcracking and Electrode Damage in Cycled NMC622/Graphite Pouch Cell Batteries Open
Mechanical degradation of electrode materials is an important failure mode in lithium-ion batteries. High-energy-density cathode materials like nickel-rich NMC (LiNi x Mn y Co z O 2 ) undergo significant anisotropic volume expansion during…
View article: How do Depth of Discharge, C-rate and Calendar Age Affect Capacity Retention, Impedance Growth, the Electrodes, and the Electrolyte in Li-Ion Cells?
How do Depth of Discharge, C-rate and Calendar Age Affect Capacity Retention, Impedance Growth, the Electrodes, and the Electrolyte in Li-Ion Cells? Open
Lithium-ion cells testing under different state of charge ranges, C-rates and cycling temperature have different degrees of lithium inventory loss, impedance growth and active mass loss. Here, a large matrix of polycrystalline NMC622/natur…
View article: In Situ Imaging of Electrode Thickness Growth and Electrolyte Depletion in Single-Crystal vs Polycrystalline LiNixMnyCozO<sub>2</sub>/Graphite Pouch Cells using Multi-Scale Computed Tomography
In Situ Imaging of Electrode Thickness Growth and Electrolyte Depletion in Single-Crystal vs Polycrystalline LiNixMnyCozO<sub>2</sub>/Graphite Pouch Cells using Multi-Scale Computed Tomography Open
Single-crystal LiNi x Mn y Co z O 2 (NMC) materials have recently garnered significant academic and commercial interest as they have been shown to provide exceptional long-term charge-discharge cycling stability in Li-ion cells. Understand…
View article: Metal–Organic Frameworks: 2D and 3D Metal–Organic Framework at the Oil/Water Interface: A Case Study of Copper Benzenedicarboxylate (Adv. Mater. Interfaces 2/2019)
Metal–Organic Frameworks: 2D and 3D Metal–Organic Framework at the Oil/Water Interface: A Case Study of Copper Benzenedicarboxylate (Adv. Mater. Interfaces 2/2019) Open
The partition and distribution of 2D Cu metal–organic framework (MOF) at the oil/water interface are imaged by cryo–SEM. An ultra–thin layer of ≈20 nm MOF nanosheets is detected with a lateral orientation along the interface. The surface c…
View article: Showcasing the application of synchrotron‐based X‐ray computed tomography in host–pathogen interactions: The role of wheat rachilla and rachis nodes in Type‐II resistance to <i>Fusarium graminearum</i>
Showcasing the application of synchrotron‐based X‐ray computed tomography in host–pathogen interactions: The role of wheat rachilla and rachis nodes in Type‐II resistance to <i>Fusarium graminearum</i> Open
Fusarium head blight, caused primarily by Fusarium graminearum ( Fg ), is one of the most devastating diseases of wheat. Host resistance in wheat is classified into five types (Type‐I to Type‐V), and a majority of moderately resistant geno…
View article: Investigating the Presence of Mercury under a Dental Restoration Using Synchrotron K-Edge Subtraction Imaging
Investigating the Presence of Mercury under a Dental Restoration Using Synchrotron K-Edge Subtraction Imaging Open
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View article: Electrode Stack Geometry Changes during Gas Evolution in Pouch-Cell-Type Lithium Ion Batteries
Electrode Stack Geometry Changes during Gas Evolution in Pouch-Cell-Type Lithium Ion Batteries Open
Safety remains a significant concern for the lithium-ion battery industry, despite over twenty five years of development since their commercial introduction [R. Spotnitz and J. Franklin, J. Power Sources, 113, 81, (2003)]. Many abusive con…