Simon Burkhardt
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View article: Editors’ Choice—Visualizing the Impact of the Composite Cathode Microstructure and Porosity on Solid-State Battery Performance
Editors’ Choice—Visualizing the Impact of the Composite Cathode Microstructure and Porosity on Solid-State Battery Performance Open
The kinetics of composite cathodes for solid-state batteries (SSBs) relies heavily on their microstructure. Spatial distribution of the different phases, porosity, interface areas, and tortuosity factors are important descriptors that need…
View article: Guidelines for Impedance Analysis of Parent Metal Anodes in Solid‐State Batteries and the Role of Current Constriction at Interface Voids, Heterogeneities, and SEI
Guidelines for Impedance Analysis of Parent Metal Anodes in Solid‐State Batteries and the Role of Current Constriction at Interface Voids, Heterogeneities, and SEI Open
Impedance spectroscopy is widely used in operando studies of solid‐state batteries for characterizing charge transport and correlating it with structural features. A typical impedance spectrum reveals, in addition to transport signals of t…
View article: Kinetics and Pore Formation of the Sodium Metal Anode on NASICON‐Type Na<sub>3.4</sub>Zr<sub>2</sub>Si<sub>2.4</sub>P<sub>0.6</sub>O<sub>12</sub> for Sodium Solid‐State Batteries
Kinetics and Pore Formation of the Sodium Metal Anode on NASICON‐Type Na<sub>3.4</sub>Zr<sub>2</sub>Si<sub>2.4</sub>P<sub>0.6</sub>O<sub>12</sub> for Sodium Solid‐State Batteries Open
In recent years, many efforts have been made to introduce reversible alkali metal anodes using solid electrolytes in order to increase the energy density of next‐generation batteries. In this respect, Na 3.4 Zr 2 Si 2.4 P 0.6 O 12 is a pro…
View article: Overcoming Anode Instability in Solid‐State Batteries through Control of the Lithium Metal Microstructure
Overcoming Anode Instability in Solid‐State Batteries through Control of the Lithium Metal Microstructure Open
Enabling the lithium metal anode (LMA) in solid‐state batteries (SSBs) is the key to developing high energy density battery technologies. However, maintaining a stable electrode–electrolyte interface presents a critical challenge to high c…
View article: Li6PS5Cl microstructure and influence on dendrite growth in solid-state batteries with lithium metal anode
Li6PS5Cl microstructure and influence on dendrite growth in solid-state batteries with lithium metal anode Open
Enabling lithium metal is key toward maximizing the energy density of solid-state batteries (SSBs) with a solid electrolyte (SE) as the separator. However, the formation of pores at the LiǀSE interface during stripping and short-circuiting…
View article: Enhancing the Dendrite Tolerance of NaSICON Electrolytes by Suppressing Edge Growth of Na Electrode along Ceramic Surface
Enhancing the Dendrite Tolerance of NaSICON Electrolytes by Suppressing Edge Growth of Na Electrode along Ceramic Surface Open
Solid‐state sodium batteries (SSNBs) have attracted extensive interest due to their high safety on the cell level, abundant material resources, and low cost. One of the major challenges in the development of SSNBs is the suppression of sod…
View article: Designing Cathodes and Cathode Active Materials for Solid‐State Batteries
Designing Cathodes and Cathode Active Materials for Solid‐State Batteries Open
Solid‐state batteries (SSBs) currently attract great attention as a potentially safe electrochemical high‐energy storage concept. However, several issues still prevent SSBs from outperforming today's lithium‐ion batteries based on liquid e…
View article: In Situ Investigation of Lithium Metal–Solid Electrolyte Anode Interfaces with ToF‐SIMS
In Situ Investigation of Lithium Metal–Solid Electrolyte Anode Interfaces with ToF‐SIMS Open
Solid‐state batteries with a lithium metal anode (LMA) are promising candidates for the next generation of energy storage systems with high energy and power density. However, successful implementation of the LMA requires deeper insight int…
View article: Understanding the Impact of Microstructure on Charge Transport in Polycrystalline Materials Through Impedance Modelling
Understanding the Impact of Microstructure on Charge Transport in Polycrystalline Materials Through Impedance Modelling Open
Charge transport in polycrystalline electronic or ionic conductors is usually analyzed by serial macroscopic equivalent circuits, e.g., the brick layer model, which assume a homogeneous electric potential distribution across the sample. In…
View article: Editors’ Choice—Quantifying the Impact of Charge Transport Bottlenecks in Composite Cathodes of All-Solid-State Batteries
Editors’ Choice—Quantifying the Impact of Charge Transport Bottlenecks in Composite Cathodes of All-Solid-State Batteries Open
All-solid-state lithium batteries have the potential to provide increased energy and power density compared to conventional lithium-ion batteries with a liquid electrolyte. The charge transport within solid electrolyte-based composite cath…
View article: Charge Transport in Single NCM Cathode Active Material Particles for Lithium-Ion Batteries Studied under Well-Defined Contact Conditions
Charge Transport in Single NCM Cathode Active Material Particles for Lithium-Ion Batteries Studied under Well-Defined Contact Conditions Open
We present a technique for systematically investigating electronic and ionic charge transport in single Li(Ni1/3Co1/3Mn1/3)O2 (NCM 111) secondary particles as a function of size. We perform electrochemical impedance spectroscopy employing …
View article: Hydrogen Diffusion: In Situ Monitoring of Lateral Hydrogen Diffusion in Amorphous and Polycrystalline WO<sub>3</sub> Thin Films (Adv. Mater. Interfaces 6/2018)
Hydrogen Diffusion: In Situ Monitoring of Lateral Hydrogen Diffusion in Amorphous and Polycrystalline WO<sub>3</sub> Thin Films (Adv. Mater. Interfaces 6/2018) Open
A microstructured polymer film on top of tungsten trioxide (WO3) allows for locally confined insertion of protons (green) from a liquid electrolyte and electrons from a transparent conducting oxide. The formation of atomic hydrogen (red) i…
View article: Correlation of electrochromic properties and oxidation states in nanocrystalline tungsten trioxide
Correlation of electrochromic properties and oxidation states in nanocrystalline tungsten trioxide Open
In nanocrystalline tungsten trioxide, the main coloration change can be attributed to the formation of W4+.