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List of works by Helmut Ehrenberg

A new monoclinic structure type for ternary gallide MgCoGa2

scientific article published on 06 May 2020

A new polymorph of Cu(3)B(2)O(6)

scientific article published on 24 October 2009

A new tetragonal structure type for Li2B2C

scientific article published on 01 January 2015

A tetragonal form of dysprosium orthomolybdate at room temperature

scientific article published on 15 September 2011

Activation and degradation of electrospun LiFePO4 battery cathodes

scientific article published in August 2018

Amorphous Mo5O14-Type/Carbon Nanocomposite with Enhanced Electrochemical Capability for Lithium-Ion Batteries

scientific article published on 18 December 2019

Anomalous thermal expansion in rare-earth gallium perovskites: a comprehensive powder diffraction study

scientific article published on 13 March 2009

B1-Mobilstor: Materials for Sustainable Energy Storage Techniques - Lithium Containing Compounds for Hydrogen and Electrochemical Energy Storage

BaSi4O6N2 - A Hexacelsian-Type Layered Oxonitridosilicate

article published in 2012

Ca3N2and Mg3N2: Unpredicted High-Pressure Behavior of Binary Nitrides

scientific article published in 2011

Calcium carbonate modifications in the mineralized shell of the freshwater snail Biomphalaria glabrata.

scientific article

Challenges Considering the Degradation of Cell Components in Commercial Lithium-Ion Cells: A Review and Evaluation of Present Systems.

scientific article published on 3 May 2017

Changes in the crystal and electronic structure of LiCoO(2) and LiNiO(2) upon Li intercalation and de-intercalation

scientific article published on 25 March 2009

Charge Transfer and Structural Anomaly in Stoichiometric Layered Perovskite Sr2Co0.5Ir0.5O4

Chemical, Structural, and Electronic Aspects of Formation and Degradation Behavior on Different Length Scales of Ni-Rich NCM and Li-Rich HE-NCM Cathode Materials in Li-Ion Batteries

scientific article published on 23 April 2019

Combining high time and angular resolutions: time-resolved X-ray powder diffraction using a multi-channel analyser detector

Composition-dependent charge transfer and phase separation in the V1-xRexO2 solid solution.

scientific article published on 16 January 2017

Computational study of LnGaO3(Ln = La–Gd) perovskites

article published in 2005

Coordination of the Mn4+-Center in Layered Li[Co0.98Mn0.02]O2 Cathode Materials for Lithium-Ion Batteries

scientific article published in 2017

Copper(II) complexes of hydroquinone-containing Schiff bases. Towards a structural model for copper amine oxidases

article published in 2000

Crystal chemistry, structure and magnetic properties of the Cu(MoxW1−x)O4solid solution series

article published in 2008

Crystal structure and microstructure of some La(2/3-x)Li 3xTiO3 oxides: an example of the complementary use of electron diffraction and microscopy and synchrotron X-ray diffraction to study complex materials

scientific article published on 01 March 2004

Crystal structure, magnetic and infrared spectroscopy studies of the LiCryFe1−yP2O7 solid solution

Delithiated LiyCo0.8Ni0.1Mn0.1O2 cathode materials for lithium-ion batteries: Structural, magnetic and electrochemical studies

Developments in nanostructured LiMPO4 (M = Fe, Co, Ni, Mn) composites based on three dimensional carbon architecture.

scientific article published on 10 April 2012

Difference in Electrochemical Mechanism of SnO2 Conversion in Lithium-Ion and Sodium-Ion Batteries: Combined in Operando and Ex Situ XAS Investigations

scientific article published on 04 June 2019

Direct synthesis of trirutile-type LiMgFeF6 and its electrochemical characterization as positive electrode in lithium-ion batteries

scientific article

Doped Nanoscale NMC333 as Cathode Materials for Li-Ion Batteries

scientific article published on 07 September 2019

Effect of Titanium Substitution in a P2-Na2/3Co0.95Ti0.05O2 Cathode Material on the Structural and Electrochemical Properties

scientific article

Electrochemical Delithiation/Relithiation of LiCoPO4: A Two-Step Reaction Mechanism Investigated by in Situ X-ray Diffraction, in Situ X-ray Absorption Spectroscopy, and ex Situ 7Li/31P NMR Spectroscopy

Electrochemical and structural investigations of different polymorphs of TiO2 in magnesium and hybrid lithium/magnesium batteries

Electrochemical characterization of monoclinic and orthorhombic Li3CrF6 as positive electrodes in lithium-ion batteries synthesized by a sol–gel process with environmentally benign chemicals

scientific article

Electrochemical lithiation/delithiation of SnP₂O₇ observed by in situ XRD and ex situ⁷Li/³¹P NMR, and ¹¹⁹Sn Mössbauer spectroscopy

scientific article

Elucidating the energy storage mechanism of ZnMn2O4 as promising anode for Li-ion batteries

Energy research with neutrons (ErwiN) and installation of a fast neutron powder diffraction option at the MLZ, Germany1.

scientific article

Evolution of microstructure and its relation to ionic conductivity in Li1+xAlxTi2−x(PO4)3

scientific article

Ferrimagnetism in Ni4Nb2O9

scientific article published on 01 October 1995

Ferromagnetism in a dinuclear nickel(II) complex containing triethylenetetramine and tricyanomethanide.

scientific article published in November 2003

From order to disorder: The structure of lithium-conducting garnets Li7−xLa3TaxZr2−xO12 (x=0–2)

Functionalised porous nanocomposites: a multidisciplinary approach to investigate designed structures for supercapacitor applications

Green synthesis of nanosized manganese dioxide as positive electrode for lithium-ion batteries using lemon juice and citrus peel

HP-CaSiN2 - A New High-Pressure Modification

Homogeneity of lithium distribution in cylinder-type Li-ion batteries

scientific article

Identifying the redox activity of cation-disordered Li-Fe-V-Ti oxide cathodes for Li-ion batteries.

scientific article published on 24 February 2016

In Operando Synchrotron Studies of NH4+ Preintercalated V2O5·nH2O Nanobelts as the Cathode Material for Aqueous Rechargeable Zinc Batteries

scientific article published on 03 September 2020

In Situ X-ray Diffraction and X-ray Absorption Spectroscopic Studies of a Lithium-Rich Layered Positive Electrode Material: Comparison of Composite and Core-Shell Structures

scientific article published on 13 March 2020

In situneutron diffraction study of electric field induced structural transitions in lanthanum doped lead zirconate titanate

scientific article

Influence of temperature and upper cut-off voltage on the formation of lithium-ion cells

scientific article

Intercalation-driven reversible control of magnetism in bulk ferromagnets

scientific article published on 3 March 2014

Investigating the dominant decomposition mechanisms in lithium-ion battery cells responsible for capacity loss in different stages of electrochemical aging

scientific article published in 2022

Investigation of nano-sized Cu(ii)O as a high capacity conversion material for Li-metal cells and lithium-ion full cells

article

Investigation on the influence of particular structure parameters on the anisotropic spin-exchange interactions in the distorted wolframite-type oxides Cu(Mo(x)W(1-x))O4

scientific article published on 01 January 2007

Kinetic characteristics up to 4.8 V of layered LiNi 1/3 Co 1/3 Mn 1/3 O 2 cathode materials for high voltage lithium-ion batteries

La(5)Zn(2)Sn.

scientific article published on 22 October 2011

Layered-to-Tunnel Structure Transformation and Oxygen Redox Chemistry in LiRhO2 upon Li Extraction and Insertion.

scientific article published in July 2016

Li(12)Cu(12.60)Al(14.37): a new ternary derivative of the binary Laves phases

scientific article published on 26 November 2011

Li12Cu16+xAl26-x (x = 3.2): a new intermetallic structure type

scientific article published on 26 July 2008

Li20Mg6Cu13Al42: a new ordered quaternary superstructure to the icosahedral T-Mg32(Zn,Al)49 phase with fullerene-like Al60 cluster

scientific article published on 16 March 2019

Li4Ge2B as a new derivative of the Mo2B5 and Li5Sn2 structure types

scientific article published on 21 June 2016

Li8Cu12+xAl6-x (x = 1.16): a new structure type related to Laves phases

scientific article published on 22 January 2008

Li9Al4Sn5 as a new ordered superstructure of the Li13Sn5 type

scientific article published on 21 March 2017

LiBC3: a new borocarbide based on graphene and heterographene networks

scientific article published on 24 October 2017

LiNi0.1Mn0.1Co0.8O2 electrode material: Structural changes upon lithium electrochemical extraction

LiZn(4 - x) (x = 0.825) as a (3 + 1)-dimensional modulated derivative of hexagonal close packing

scientific article published on 04 March 2014

Limitation of discharge capacity and mechanisms of air-electrode deactivation in silicon-air batteries

scientific article published on 02 October 2012

Lithium Diffusion Pathway in Li(1.3)Al(0.3)Ti(1.7)(PO4)3 (LATP) Superionic Conductor

scientific article published in March 2016

Lithium lanthanum titanate perovskite as an anode for lithium ion batteries

scientific article published on 13 July 2020

Lithium–air battery cathode modification via an unconventional thermal method employing borax

scholarly article in RSC Advances, vol. 6 no. 70, 2016

Local coordination of Fe3+ in Li[Co0.98Fe0.02]O2 as cathode material for lithium ion batteries—multi-frequency EPR and Monte-Carlo Newman-superposition model analysis

scientific article published on 09 April 2011

Low-temperature crystal structure, specific heat, and dielectric properties of lithium tetraborate Li2B4O7

Magnetic and structural approach for understanding the electrochemical behavior of LiNi0.33Co0.33Mn0.33O2 positive electrode material

Magnetic phase diagrams of

Magnetic properties and crystal structure of Sr3CoIrO6and Sr3NiIrO6

scholarly article in Physical Review B, vol. 86 no. 13, October 2012

Magnetic structure of the kagome mixed compound (Co(0.5)Ni(0.5))(3)V(2)O(8).

scientific article

Magneto-structural study of a Cr-doped CaRuO3

scientific article published on 14 July 2009

Mechanism of the Delithiation/Lithiation Process in LiFe0.4Mn0.6PO4: in Situ and ex Situ Investigations on Long-Range and Local Structures

article by Ilham Bezza et al published 15 April 2015 in Journal of Physical Chemistry C

Metal-Support Interactions of Platinum Nanoparticles Decorated N-Doped Carbon Nanofibers for the Oxygen Reduction Reaction.

scientific article published on 17 December 2015

Mixed LiCo(0.6)M(0.4)PO(4) (M = Mn, Fe, Ni) phosphates: cycling mechanism and thermal stability

scientific article published on 09 March 2009

MnO2 and Reduced Graphene Oxide as Bifunctional Electrocatalysts for Li–O2 Batteries

scientific article published on 6 September 2019

Monoclinic β-Li 2 TiO 3 : Neutron diffraction study and estimation of Li diffusion pathways

Moving to Aqueous Binder: A Valid Approach to Achieving High-Rate Capability and Long-Term Durability for Sodium-Ion Battery.

scientific article

Multi-analyser detector (MAD) for high-resolution and high-energy powder X-ray diffraction

scientific article published on 01 January 2021

NASICON-Type Mg0.5Ti2(PO4)3 Negative Electrode Material Exhibits Different Electrochemical Energy Storage Mechanisms in Na-Ion and Li-Ion Batteries.

scientific article published on 18 January 2017

Nanoscale spinel LiFeTiO4 for intercalation pseudocapacitive Li(+) storage

scientific article published on 28 November 2014

New Li 0.8 M 0.1 Ti 2 (PO 4 ) 3 (M=Co, Mg) Electrode Materials for Lithium‐Ion Batteries: In Operando X‐Ray Diffraction and Ex Situ X‐ray Photoelectron Spectroscopy Investigations

scientific article published in September 2020

New Lithium Copper Borates with BO3 Triangles: Li6CuB4O10, Li3CuB3O7, Li8Cu7B14O32, and Li2Cu9B12O28

article

New cubic cluster phases in the Mg-Ni-Ga system

scientific article published on 01 July 2020

Origin of the irreversible capacity of the Fe0.5TiOPO4 anode material

Oxygen Nonstoichiometry of Tetragonal La2−xSrxCuO4−δ(x= 0.15−1.2) and in Situ XPS Studies at Elevated Temperatures

article

Polymorphism of K(2)Co(2)Mo(3)O(12): variations in the packing schemes and changes in molybdenum coordination under high pressure

scientific article published on 15 January 2009

Polymorphism of Li2Zn3

scientific article published on January 18, 2012

Preparation, crystal structure and magnetic properties of the high-pressure phase MnReO4 with a wolframite-type structure

scientific article published on 13 May 2005

Proton transfer in hydrogen-bonded pyridine/acid systems: the role of higher aggregation

scientific article published on 16 April 2007

Quasi in situ XPS investigations on intercalation mechanisms in Li-ion battery materials

scientific article published on 06 December 2008

Redetermination of iron dialuminide, FeAl(2)

scientific article published on 28 August 2010

Reversible Li+ Storage in a LiMnTiO4 Spinel and Its Structural Transition Mechanisms

ScRe2O6: A new ternary oxide with metallic Re–Re-bonds and a ferromagnetic component above room temperature

Sodium vanadium titanium phosphate electrode for symmetric sodium-ion batteries with high power and long lifespan.

scientific article

Sol-Gel Processing and Electrochemical Conversion of Inverse Spinel-Type Li2NiF4

scientific article

Structural Changes in the LiCrMnO4Cathode Material during Electrochemical Li Extraction and Insertion

Structural insights into the formation and voltage degradation of lithium- and manganese-rich layered oxides

scientific article published on 26 November 2019

Structural investigation of the Na-Fe-Mo-O system

scientific article published on 25 September 2003

Structure and dynamics of the fast lithium ion conductor “Li7La3Zr2O12”

article

Structure determination of lithium chloroacetate, lithium bromoacetate and lithium iodoacetate by powder diffraction

scientific article published on 01 August 1999

Structures of CsEuBr3 and its degradation product Cs2EuBr5.10H2O

scientific article published on 16 March 2007

Surface Functionalization of Silicon, HOPG, and Graphite Electrodes: Toward an Artificial Solid Electrolyte Interface

scientific article published on 09 July 2018

Surface analytical approaches to reliably characterize lithium ion battery electrodes

scientific article published on 25 October 2017

Surface analytical characterization of LiNi0.8-y Mn y Co0.2 O2 (0 ≤ y ≤ 0.4) compounds for lithium-ion battery electrodes

article published in 2018

Synthesis, Rietveld refinements, Infrared and Raman spectroscopy studies of the sodium diphosphate NaCryFe1−yP2O7 (0 ≤ y ≤ 1)

Temperature and composition dependence of crystal structures and magnetic and electronic properties of the double perovskitesLa2−xSrxCoIrO6(0≤x≤2)

article

Tetragonal low-temperature structure of LiAl

article published in 2004

The K2nCoMo2+nO7+4n family of structures, with n = 2, 3 or 5

scientific article published on 11 October 2005

The Role of Oxygen Stoichiometry on Phase Stability, Structure, and Magnetic Properties of Sr2CoIrO6−δ

article

The crystal and magnetic structure relationship in Cu(W1-xMox)O4compounds with wolframite-type structure

The crystal growth and properties of novel magnetic double molybdate RbFe<sub>5</sub>(MoO<sub>4</sub>)<sub>7</sub> with mixed Fe<sup>3+</sup>/Fe<sup>2+</sup> states and 1D negative thermal expansion

scientific article published in 2021

The crystal structure of Tm5Re2O12

scientific article published on 01 December 1999

The magnetic structures of double tungstates, NaM(WO4)2, M=Fe, Cr: Examples for superexchange couplings mediated by [NaO6]-octahedra

The stability of the SEI layer, surface composition and the oxidation state of transition metals at the electrolyte-cathode interface impacted by the electrochemical cycling: X-ray photoelectron spectroscopy investigation

scientific article published on 03 August 2012

The synchrotron powder diffractometer at beamline B2 at HASYLAB/DESY: status and capabilities

scientific article published on 23 June 2004

The tautomeric forms of cyameluric acid derivatives

scientific article published on 01 January 2007

Thermal Structural Behavior of Electrodes in Li-Ion Battery Studied In Operando

Toward understanding the lithiation/delithiation process in Fe 0.5 TiOPO 4 /C electrode material for lithium-ion batteries

Tuning the performance of vanadium redox flow batteries by modifying the structural defects of the carbon felt electrode

scientific article published on 13 August 2019

Understanding the Lifetime of Battery Cells Based on Solid-State Li6PS5Cl Electrolyte Paired with Lithium Metal Electrode

scientific article published on 06 April 2020

Understanding the lithiation/delithiation process in SnP2O7 anode material for lithium-ion batteries

Unraveling the Degradation Process of LiNi0.8Co0.15Al0.05O2 Electrodes in Commercial Lithium Ion Batteries by Electronic Structure Investigations.

scientific article published on 18 August 2015

Unusual oxidation behavior of light metal hydride by tetrahydrofuran solvent molecules confined in ordered mesoporous carbon

X-ray total scattering investigation of Al 0.57 Sn 0.43 O 1.71 nanoparticles

XPS investigations of electrolyte/electrode interactions for various Li-ion battery materials

scientific article published on January 12, 2011