Leonard Franke
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View article: Design and optimization of printed thermoelectric generators for integration into plate heat exchangers in district heating applications
Design and optimization of printed thermoelectric generators for integration into plate heat exchangers in district heating applications Open
View article: Zum Umgang mit Regel-Ausnahme-Strukturen in der juristischen Argumentation
Zum Umgang mit Regel-Ausnahme-Strukturen in der juristischen Argumentation Open
The reconstruction of legal reasoning within the syllogistic model has a significant blind spot: it cannot represent rule-exception structures. As a result, argumentation theories based on the syllogistic model often overlook the issue of …
View article: Milliwatt-scale 3D thermoelectric generators <i>via</i> additive screen printing
Milliwatt-scale 3D thermoelectric generators <i>via</i> additive screen printing Open
This study reports an additive screen-printing method for a high-performance fully printed planar 3D TEG, achieving a milliwatt-scale power output of 1.22 mW at Δ T of 43 K, underlining its potential for battery-free IoT applications.
View article: Printed Lateral p–n Junction for Thermoelectric Generation
Printed Lateral p–n Junction for Thermoelectric Generation Open
Printed thermoelectric generators (TEGs) show promising potential for converting waste heat into useful electricity at a low cost but fall short of exhibiting a conversion efficiency anticipated from materials’ properties. The output power…
View article: Integrated CPU Monitoring Using 2D Temperature Sensor Arrays Directly Printed on Heat Sinks
Integrated CPU Monitoring Using 2D Temperature Sensor Arrays Directly Printed on Heat Sinks Open
In today's digital world, the demand for computer security and system reliability is a crucial element. Monitoring the CPU temperature during operation provides valuable insights but is currently limited to the embedded on‐chip sensors. Th…
View article: BODIUM4Farmers: A tool to assess the impact of management measures on soil functions
BODIUM4Farmers: A tool to assess the impact of management measures on soil functions Open
The BODIUM model (König et al., 2023) is a systemic soil model which aims to simulate the effect of changing agricultural management practices on soil functions such as yield, water storage and filtration, nutrient recycling, carbon s…
View article: Printed Teg Based Energy Harvesting System Driven by Self-Powered Low-Power Oscillator
Printed Teg Based Energy Harvesting System Driven by Self-Powered Low-Power Oscillator Open
View article: The soil knowledge library (KLIB) – a structured literature database on soil process research
The soil knowledge library (KLIB) – a structured literature database on soil process research Open
In this technical note, we introduce a web-based application, the BonaRes Knowledge Library (KLIB, https://klibrary.bonares.de, last access: 26 July 2023), for the compilation and classification of scientific publications on soil processes…
View article: High‐Sensitivity Flexible Thermocouple Sensor Arrays Via Printing and Photonic Curing
High‐Sensitivity Flexible Thermocouple Sensor Arrays Via Printing and Photonic Curing Open
Despite remarkable advances, high‐performance thermoelectric (TE) materials‐based thermocouples (TCs) lack mechanical robustness and flexibility. Hence, conventional low Seebeck coefficient metals (Ni, Cu, Fe) wire‐junction‐based TCs are u…
View article: The soil knowledge library (KLIB) – a structured literature database on soil process research
The soil knowledge library (KLIB) – a structured literature database on soil process research Open
In this technical note, we introduce a web-based application, the soil knowledge library (KLIB), for the compilation and classification of scientific publications on soil process research according to the specific site conditions and exper…
View article: Optimizing printed thermoelectric generators with geometry and processibility limitations
Optimizing printed thermoelectric generators with geometry and processibility limitations Open
Fully printed thermoelectric generators (TEGs) are a promising solution for large scale energy harvesting and waste heat recovery in a broad range of applications. Due to large variations in heat transfer coefficients and temperatures, it …
View article: Inorganic‐Based Printed Thermoelectric Materials and Devices
Inorganic‐Based Printed Thermoelectric Materials and Devices Open
One of the simplest ways to generate electric power from waste heat is thermoelectric (TE) energy conversion. So far, most of the research on thermoelectrics has focused on inorganic bulk TE materials and their device applications. However…
View article: High Figure‐of‐Merit Telluride‐Based Flexible Thermoelectric Films through Interfacial Modification via Millisecond Photonic‐Curing for Fully Printed Thermoelectric Generators
High Figure‐of‐Merit Telluride‐Based Flexible Thermoelectric Films through Interfacial Modification via Millisecond Photonic‐Curing for Fully Printed Thermoelectric Generators Open
The thermoelectric generator (TEG) shows great promise for energy harvesting and waste heat recovery applications. Cost barriers for this technology could be overcome by using printing technologies. However, the development of thermoelectr…
View article: Photonic Curing Enables Ultrarapid Processing of Highly Conducting β-Cu<sub>2−δ</sub>Se Printed Thermoelectric Films in Less Than 10 ms
Photonic Curing Enables Ultrarapid Processing of Highly Conducting β-Cu<sub>2−δ</sub>Se Printed Thermoelectric Films in Less Than 10 ms Open
It has been a challenge to obtain high electrical conductivity in inorganic printed thermoelectric (TE) films due to their high interfacial resistance. In this work, we report a facile synthesis process of Cu-Se-based printable ink for scr…
View article: Realizing High Thermoelectric Performance of Bi-Sb-Te-Based Printed Films through Grain Interface Modification by an In Situ-Grown β-Cu<sub>2-δ</sub>Se Phase
Realizing High Thermoelectric Performance of Bi-Sb-Te-Based Printed Films through Grain Interface Modification by an In Situ-Grown β-Cu<sub>2-δ</sub>Se Phase Open
It has been a substantial challenge to develop a printed thermoelectric (TE) material with a figure-of-merit ZT > 1. In this work, high ZT p-type Bi0.5Sb1.5Te3-based printable TE materials hav…
View article: CSD 2084910: Experimental Crystal Structure Determination
CSD 2084910: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Sniff Species: SURMOF-Based Sensor Array Discriminates Aromatic Plants beyond the Genus Level
Sniff Species: SURMOF-Based Sensor Array Discriminates Aromatic Plants beyond the Genus Level Open
Lamiaceae belong to the species-richest family of flowering plants and harbor many species that are used as herbs or in medicinal applications such as basils or mints. The evolution of this group has been driven by chemical speciation, mai…
View article: Improved Electrical, Thermal, and Thermoelectric Properties Through Sample‐to‐Sample Fluctuations in Near‐Percolation Threshold Composite Materials
Improved Electrical, Thermal, and Thermoelectric Properties Through Sample‐to‐Sample Fluctuations in Near‐Percolation Threshold Composite Materials Open
Effective medium theories (EMT) are powerful tools to calculate sample averaged thermoelectric material properties of composite materials. However, averaging over the heterogeneous spatial distribution of the phases can lead to incorrect e…
View article: Fully printed origami thermoelectric generators for energy-harvesting
Fully printed origami thermoelectric generators for energy-harvesting Open
Energy-harvesting from low-temperature environmental heat via thermoelectric generators (TEG) is a versatile and maintenance-free solution for large-scale waste heat recovery and supplying renewable energy to a growing number of devices in…
View article: CSD 2017754: Experimental Crystal Structure Determination
CSD 2017754: Experimental Crystal Structure Determination Open
View article: CSD 2017753: Experimental Crystal Structure Determination
CSD 2017753: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 1964985: Experimental Crystal Structure Determination
CSD 1964985: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 1965020: Experimental Crystal Structure Determination
CSD 1965020: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: New frontier in printed thermoelectrics: formation of β-Ag<sub>2</sub>Se through thermally stimulated dissociative adsorption leads to high <i>ZT</i>
New frontier in printed thermoelectrics: formation of β-Ag<sub>2</sub>Se through thermally stimulated dissociative adsorption leads to high <i>ZT</i> Open
High figure-of-merit achieved in Ag–Se-based n-type printed film due to the formation of the β-Ag2Se phase via thermally stimulated dissociative adsorption.