Michael A. Danzer
YOU?
Author Swipe
View article: Understanding Lithium Deposition in Lithium-Ion Batteries: The Link between Impedance Results and Electrochemical Behavior
Understanding Lithium Deposition in Lithium-Ion Batteries: The Link between Impedance Results and Electrochemical Behavior Open
Metallic lithium deposition (LD) is the key limiting factor for fast-charging of lithium-ion batteries, as it affects both safety and durability. The reliable detection of LD requires simple and rapid diagnostics, which has led to a widesp…
View article: Operando impedance-based battery cell internal temperature estimation under non-stationarity and non-linearity conditions
Operando impedance-based battery cell internal temperature estimation under non-stationarity and non-linearity conditions Open
Electrochemical impedance spectroscopy, a method for battery diagnostics, is used to estimate the internal temperature of a lithium-ion battery cell during highly dynamic load profiles. For the first time, a recurrent neural network is tra…
View article: Design for automated disassembly: a comparative study of different battery component designs
Design for automated disassembly: a comparative study of different battery component designs Open
The feasibility of automated disassembly at a product’s end-of-life stage strongly depends on its design. This relationship is particularly relevant for electric vehicle batteries, for which other design requirements are typically given pr…
View article: Distribution of Relaxation Times Analysis for Impedance Spectra Containing Resistive-Inductive Characteristics: Part I. Deconvolution Methods
Distribution of Relaxation Times Analysis for Impedance Spectra Containing Resistive-Inductive Characteristics: Part I. Deconvolution Methods Open
The distribution of relaxation times analysis is a powerful and non-destructive technique based on electrochemical impedance spectroscopy to analyze and identify electrochemical reactions and processes in batteries, fuel cells, and other e…
View article: Blend Electrodes in Lithium‐Ion Batteries: Investigation of Inhomogeneities Using a Spatially Resolved Transmission Line Model
Blend Electrodes in Lithium‐Ion Batteries: Investigation of Inhomogeneities Using a Spatially Resolved Transmission Line Model Open
Blend electrodes are used in lithium‐ion batteries to increase the performance by combining two active materials, such as silicon (Si) or silicon oxide (SiOx) and graphite (Gr), for the negative electrode. In‐depth knowledge of the complex…
View article: Short‐Term Tests, Long‐Term Predictions – Accelerating Ageing Characterisation of Lithium‐Ion Batteries
Short‐Term Tests, Long‐Term Predictions – Accelerating Ageing Characterisation of Lithium‐Ion Batteries Open
For the battery industry, quick determination of the ageing behaviour of lithium‐ion batteries is important both for the evaluation of existing designs as well as for R&D on future technologies. However, the target battery lifetime is 8–10…
View article: Lithium All‐Solid‐State Batteries Fabricated at Room Temperature by the Powder Aerosol Deposition Method with Garnet‐Type Electrolyte and Graded Composite Cathode
Lithium All‐Solid‐State Batteries Fabricated at Room Temperature by the Powder Aerosol Deposition Method with Garnet‐Type Electrolyte and Graded Composite Cathode Open
Lithium‐based all‐solid‐state batteries (ASSBs) are attracting worldwide attention as the next step in the evolution of Li‐ion batteries (LIBs). They have the potential to address safety concerns and limited energy densities, which are key…
View article: Operando determination of lithium-ion cell temperature based on electrochemical impedance features
Operando determination of lithium-ion cell temperature based on electrochemical impedance features Open
Electrochemical impedance spectroscopy is applied to lithium-ion batteries during operation with the general purpose of an operando characterization and specifically for battery state estimation. For the first time, 143 features of the mea…
View article: Electrochemical system analysis from impedance data to system identification
Electrochemical system analysis from impedance data to system identification Open
Electrochemical impedance spectroscopy is a non-destructive experimental technique for the operando characterization of electrochemical systems. Here, we develop electrochemical system analysis (ELSA) as a data-driven, systems-theoretical …
View article: A structured approach for the compliance analysis of battery systems with regard to the new EU Battery Regulation
A structured approach for the compliance analysis of battery systems with regard to the new EU Battery Regulation Open
The introduction of the European Green Deal has triggered various legislative projects that will require product manufacturers inside and outside the European Union (EU) to ensure compliance with the new regulatory framework. As this is a …
View article: Framework for the Multi-Objective Optimization of Hybrid Fuel Cell System Design and Operation
Framework for the Multi-Objective Optimization of Hybrid Fuel Cell System Design and Operation Open
Fuel cell systems (FCSs) are based on a number of components whose electrochemical and physical interactions during operation are not fully understood either by empirical experience or by extensive modeling. The related FCS complexity limi…
View article: High‐Performance, Flame‐Retardant, Binder‐Free Li‐Hectorite‐Polybenzimidazole Fiber Separator for Li‐Ion Batteries
High‐Performance, Flame‐Retardant, Binder‐Free Li‐Hectorite‐Polybenzimidazole Fiber Separator for Li‐Ion Batteries Open
Li‐Hectorite (Li‐Hec) clays have inherent 2D diffusion slits offering high lithium (Li + ) ion conductivity. Such Li‐Hec clays spontaneously delaminate into flexible nanosheets, allowing them to be coated on high‐temperature stable polyben…
View article: Kalman Filter Tuning for State Estimation of Lithium‐Ion Batteries by Multi‐Objective Optimization via Hyperspace Exploration
Kalman Filter Tuning for State Estimation of Lithium‐Ion Batteries by Multi‐Objective Optimization via Hyperspace Exploration Open
For the estimation of the state of charge of lithium‐ion batteries Kalman filters are the state of the art. To ensure precise and reliable estimations these filters use covariance matrices, which need to be tuned correctly by the developer…
View article: Cell-to-Cell-Variations of a Panasonic NCR18650B
Cell-to-Cell-Variations of a Panasonic NCR18650B Open
Cell-to-Cell-Variations of Panasonic NCR18650B This dataset contains raw characterization data from 92 Panasonic NCR-18650B cells at the beginn of life. Information on the measurements performed can be taken in part from this readme file. …
View article: Cell-to-Cell-Variations of a Panasonic NCR18650B
Cell-to-Cell-Variations of a Panasonic NCR18650B Open
Cell-to-Cell-Variations of Panasonic NCR18650B This dataset contains raw characterization data from 92 Panasonic NCR-18650B cells at the beginn of life. Information on the measurements performed can be taken in part from this readme file.…
View article: Cell-to-Cell-Variations of a Panasonic NCR18650B
Cell-to-Cell-Variations of a Panasonic NCR18650B Open
Cell-to-Cell-Variations of Panasonic NCR18650B This dataset contains raw characterization data from 92 Panasonic NCR-18650B cells at the beginn of life. Information on the measurements performed can be taken in part from this readme file. …
View article: Osmotically Delaminated Silicate Nanosheet‐Coated NCM for Ultra‐Stable Li<sup>+</sup> Storage and Chemical Stability Toward Long‐Term Air Exposure
Osmotically Delaminated Silicate Nanosheet‐Coated NCM for Ultra‐Stable Li<sup>+</sup> Storage and Chemical Stability Toward Long‐Term Air Exposure Open
To ensure the safety and performance of lithium‐ion batteries (LIBs), a rational design and optimization of suitable cathode materials are crucial. Lithium nickel cobalt manganese oxides (NCM) represent one of the most popular cathode mate…
View article: Identifying the Active Species in Li-Na Dual-Ion “Saltwater Battery” Based on Spinel Lithium Manganese Oxide, Sodium Titanium Phosphate and Aqueous Electrolyte
Identifying the Active Species in Li-Na Dual-Ion “Saltwater Battery” Based on Spinel Lithium Manganese Oxide, Sodium Titanium Phosphate and Aqueous Electrolyte Open
The dual-ion “Saltwater Battery” based on aqueous electrolyte containing sodium ions and lithium ions is believed to be one of the safest and environmentally friendliest battery technologies. The anode consists of sodium titanium phosphate…
View article: Investigating the Thermal Runaway Behaviour of Fresh and Aged Large Prismatic Lithium-Ion Cells in Overtemperature Experiments
Investigating the Thermal Runaway Behaviour of Fresh and Aged Large Prismatic Lithium-Ion Cells in Overtemperature Experiments Open
When using lithium-ion batteries (LiBs) with nickel-rich cathodes, safety issues such as thermal runaway (TR) propagation must be considered. To design safe LiBs, effective countermeasures against TR propagation must be developed. For this…
View article: Introducing the Loewner Method as a Data-Driven and Regularization-Free Approach for the Distribution of Relaxation Times Analysis of Lithium-Ion Batteries
Introducing the Loewner Method as a Data-Driven and Regularization-Free Approach for the Distribution of Relaxation Times Analysis of Lithium-Ion Batteries Open
For the identification of processes in lithium-ion batteries (LIB) by electrochemical impedance spectroscopy, frequency data is often transferred into the time domain using the method of distribution of relaxation times (DRT). As this requ…
View article: Iterative Dynamic Programming—An Efficient Method for the Validation of Power Flow Control Strategies
Iterative Dynamic Programming—An Efficient Method for the Validation of Power Flow Control Strategies Open
The operation of electrical networks, microgrids, or heterogeneous battery systems, especially the dispatch of single units within the system, requires sophisticated power flow control strategies. If objectives such as efficiency are deman…