User profiles for Felix Hoffmann

Felix Hoffmann

- Verified email at chemie.uni-halle.de - Cited by 410

Felix Hoffmann

- Verified email at uni-bremen.de - Cited by 175

Electronic couplings for molecular charge transfer: Benchmarking CDFT, FODFT, and FODFTB against high-level ab initio calculations

A Kubas, F Hoffmann, A Heck, H Oberhofer… - The Journal of …, 2014 - pubs.aip.org
We introduce a database (HAB11) of electronic coupling matrix elements (H ab) for electron
transfer in 11 π-conjugated organic homo-dimer cations. High-level ab inito calculations at …

A comprehensive assessment of multiwinding transformer-based DC–DC converters

T Pereira, F Hoffmann, R Zhu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Multiwinding-transfomer-based (MTB) dc–dc converter did emerge in the last 25 years as
an interesting possibility to connect several energy systems and/or to offer higher power …

A geographic routing strategy for north atlantic in-flight internet access via airborne mesh networking

D Medina, F Hoffmann, F Rossetto… - … /ACM Transactions on …, 2011 - ieeexplore.ieee.org
The Airborne Internet is a vision of a large-scale multihop wireless mesh network consisting
of commercial passenger aircraft connected via long-range highly directional air-to-air radio …

Evaluation of the VSD‐method for temperature estimation during power cycling of SiC‐MOSFETs

F Hoffmann, N Kaminski - IET Power Electronics, 2019 - Wiley Online Library
An accurate temperature estimation is a substantial necessity to evaluate the outcome of a
power cycling test. For devices with a forward biased pn‐junction in the main current path, …

Comparative analysis of multiple active bridge converters configurations in modular smart transformer

LF Costa, F Hoffmann, G Buticchi… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, the quadruple active bridge (QAB) dc–dc converter is proposed to be used as
a building block to implement the dc–dc stage of a smart transformer (ST). Different …

Analysis, limitations, and opportunities of modular multilevel converter-based architectures in fast charging stations infrastructures

L Camurca, T Pereira, F Hoffmann… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
As fast and ultrafast charging stations (FCS/UFCS) increase their degree of penetration in
the grid, it becomes beneficial to connect them directly at the medium-voltage (MV) level, as …

Feasibility of an aeronautical mobile ad hoc network over the north atlantic corridor

D Medina, F Hoffmann, S Ayaz… - 2008 5th Annual IEEE …, 2008 - ieeexplore.ieee.org
In the near future, broadband air-ground (A/G) communications will be used by civil aviation
aircraft flying over crowded continental areas such as Europe and North America to access …

Ultrafast estimation of electronic couplings for electron transfer between π-conjugated organic molecules

F Gajdos, S Valner, F Hoffmann… - Journal of Chemical …, 2014 - ACS Publications
Simulation of charge transport in organic semiconducting materials requires the development
of strategies for very fast yet accurate estimation of electronic coupling matrix elements for …

A multiport partial power processing converter with energy storage integration for EV stationary charging

F Hoffmann, J Person, M Andresen… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Battery storage system (BSS) integration in the fast charging station (FCS) is becoming
popular to achieve higher charging rates with peak-demand shaping possibility. However, the …

Soft electronic strain sensor with chipless wireless readout: toward real‐time monitoring of bladder volume

…, M Hagander, JM Sujata, F Hoffmann… - Advanced Materials …, 2018 - Wiley Online Library
Sensing mechanical tissue deformation in vivo can provide detailed information on organ
functionality and tissue states. To bridge the huge mechanical mismatch between conventional …