A nanoparticle-imprinted matrix was formed by electrodeposition of poly-plumbagin around silica template nanoparticles supported on a glassy carbon electrode. Different functional groups are introduced to the matrix by conjugate addition of bifunctional thiols to tune the selectivity of the system. Upon removal of the template nanoparticles, the cavities selectively capture citrate-modified gold analyte nanoparticles in dependence on the introduced functionality, the pH and the size of the nanoparticles.

Nanofibers for solid oxide fuel cells: Electrospinning is an innovative technique to obtain three-dimensional nanofiber structures. Our core-shell nanofibers employ Ce0.9Gd0.1O1.95 fluorite as the core material and La1-xSrxMnO3 based perovskite as the shell. Electrochemical impedance spectroscopy tests run on our core-shell nanofiber cathodes demonstrate a significant improvement compared to the state-of-the-art powder-based cathodes for solid oxide fuel cells.

Photo-Alternating Current-Electro-Fenton: The UV+AC+EF method removed 100 % of color and COD at 4 kWhrm−3 energy consumption. The COD and color removal efficiency and energy consumption were optimized using RSM based CCD. The synergistic effect of UV, AC+EF, and UV+AC+EF processes was determined to 13.65 %. Combination UV+AC+EF technique to wastewater treatment is significantly more successful.

A combined electrodeposition and solution process was proposed to fabricate CZTS films. Briefly, CZT layers were electrodeposited on a metal substrate, and the as-prepared films were then immersed in a S containing NaOH solution. The effects of electrodeposition time, electrodeposition order, current density, electrolyte compositions, sulfurization time, and annealing pressure were studied.

This work addresses the fabrication of an integrated structured Si/CNT/G composite anode by simple, low-temperature heat treatment and is used as a Li-metal-free anode for advanced Li-S batteries. The tough framework of CNTs/G endow required structural stability and intrinsic conductivity to Si nanoparticles and help to mitigate the volume changes and other drawbacks of Si. The fabricated Si-sulfur full-cell delivered high energy densities which are suitable for Li+ energy storage applications and a worthy substitute to replace unsafe Li-metal anodes.

This study shows that a widely available manganese nitrate hydrate salt, when dissolved in big quantities in an aqueous medium (concentrated), behaves like a deep eutectic mixture and exhibits favourable properties for rapid energy storage application.

Generator-collector experiments offer insights into the mechanisms of electrochemical reactions. A geometry was reported where wall effects can be neglected.

3D cathodes for high hydrogen productivity: FeP nanoparticles on carbon felt scaffold exhibit excellent HER activity in both acidic and alkaline electrolytes with overpotentials of only 41 and 63 mV for 10 mA ⋅ cm−2. High current densities (800 mA⋅cm−2) and good stability are achieved in PEM electrolysis because of the high electrochemically active area and adequate porosity of the fabricated electrode.

Li-ion Batteries: The B-doping improves the microstructure of the material, and the primary grains are oriented and agglomerated into a long needle shape. This good crystal structure can slow down the generation of grain microcracks and mechanical breakage, and improve the cycling stability of the cathode material.

Magnetic water treatment: is an ecological and interesting method to prevent scaling in hard water. It contributes to the inhibition of the homogeneous (FCP) and heterogeneous (CA) germination, a decrease in the kinetics of scale nucleation and a modification of the morphology of calcium carbonate crystals.

Mechanistic aspects of the reactions in magnesium-air batteries: The presence of common additives such as the water scavenger borohydride and a complexing agent (18-c-6) leads to a multitude of electro-catalyzed and purely chemical side reactions during reversible Mg deposition/stripping and the OER/ORR in neat and O2-saturated, Mg-containing BMP-TFSI electrolytes, respectively, which are identified by DEMS.

Erosion-corrosion in marine equipment is the most challenging phenomena. Understanding the mechanism of synergism and factors affecting the erosion-corrosion gives a pathway to develop strategy to overcome the problems. Use of different types of experimental rigs play a decisive role in erosion-corrosion measurements.

Tug of War: Copper doping of lithium-manganese rich materials was found to both decrease Ni2+ (reducing capacity) and increase interlayer distances (improving rate capability). At high rates there is tension between these two phenomena – with the degree of copper doping determining which takes precedence, and thus the resulting electrochemistry.

Ex situ and operando X-ray absorption spectroscopy (XAS) on Fe0.07Zr0.93O2-δ/C as cathode catalyst in proton exchange membrane fuel cells (PEMFCs) confirms the incorporation of Fe3+ in the ZrO2 structure, demonstrates lower and mixed oxidation state of Fe ions upon aging, consistent with their demetallation from the ZrO2 structure, and pointing towards the formation of oxidic Fe clusters upon extended degradation.

An experimental approach to determine the potential deviation of a perforated reference electrode within a NMC811/graphite pouch cell in-operando is presented. By provoking Li plating via the graphite potential and detecting it via cell dilatation, it is possible to evaluate reference potentials more accurately without the need for post-mortem analysis.

Iron and cobalt phthalocyanine embedded electrospun carbon nanofiber-based oxygen reduction reaction (ORR) catalysts were prepared in this investigation by combined approach of pyrolysis and acid leaching. The catalyst exhibited the ORR half-wave potential of 0.71 V vs reversible hydrogen electrode (RHE) in 0.5 M H2SO4 electrolyte solution.

Transition metal single-atom catalysts were investigated in acidic media for the hydrogen evolution reaction. With the carbonization of solid-phase synthesized transition metal-doped zeolitic imidazolate framework (ZIF)-8 structures, single-atom catalysts embedded in a N-doped porous carbon matrix were realized without the use of any solvents, which makes this process interesting for upscaling.

Surfactant protection: The protective roles of three surfactants added to the electrolyte in the formation of the solid electrolyte interphase (SEI) layer on the graphite anode are compared and analyzed. Through electrochemical testing and surface characterization, it was observed that each surfactant had a distinct impact on the cycling behavior and performance of the cells.

3D-porous and smooth surface anodes for the Al-air battery: Al electrodes were produced with smooth and porous surfaces by salt casting. LSV analysis showed that the current density of the porous electrode was three times higher. EIS analysis gives lower charge transfer resistance for the Al-porous electrode. The power density of the Al-porous electrode was approximately 42 % higher than that of the Al-smooth electrode.

How sulfur change: The change in electrochemical reaction with the crystal structure of sulfur was studied in depth by linking the reaction plateau of the charge–discharge curve with the ex-situ Raman spectrum, which is expected to facilitate understanding of the reaction mechanism for the degradation behavior of lithium-sulfur batteries in the future.