Abstract: An electrode including Cu4O3, in particular an ethylene-selective electrode with a mixed valence Cu4O3 catalyst. A method for producing an electrode of this type, an electrolytic cell having an electrode of this type, and a method for electrochemically converting carbon dioxide using such an electrode including Cu4O3.

Abstract: A method for the electrochemical production of a gas including CO, in particular CO or syngas, from CO2, wherein the electrochemical production of the gas including CO, in particular CO or syngas, from CO2 takes place in multiple electrolytic cells, which are arranged in series one behind the other in the direction of at least one electrolyte flow and each include a cathode and an anode, wherein the at least one electrolyte flow is conducted through the electrolytic cells which are arranged in series one behind the other and is intermediately cooled between at least two electrolytic cells which are arranged in series one behind the other. A device is adapted for carrying out the method.

Abstract: The present disclosure relates to electrolysis. For example, an electrolysis system for carbon dioxide utilization may include: an electrolysis cell having an anode and a cathode, where carbon dioxide reduces at the cathode to at least one hydrocarbon compound or to carbon monoxide; first and second electrolyte reservoirs; a first product gas line from the first electrolyte reservoir; a second product gas line from the second electrolyte reservoir; a first connecting line supplying electrolyte from the first electrolyte reservoir to the anode; a second connecting line taking electrolyte from the anode to the second electrolyte reservoir; a third connecting line supplying electrolyte from the second electrolyte reservoir to the cathode; a fourth connecting line taking electrolyte from the cathode off to the first electrolyte reservoir; and a pressure-equalizing connection directly connecting the first and second electrolyte reservoirs.

Abstract: An electrolyser arrangement with at least one electrolytic cell, having two electrodes, namely an anode and a cathode, each of the two electrodes being in contact with an electrode compartment for filling with a liquid electrolyte, the two electrode compartments being separated by a membrane and a conveying device being provided, one for each of the two electrodes, for conveying the electrolyte in each case in a circuit, a cathode circuit and an anode circuit, through the electrode compartment via at least one collection vessel per circuit and back into the electrode chamber. A device is provided outside the electrolytic cell, for conveying an auxiliary volume flow between the cathode circuit and the anode circuit.

Abstract: Various embodiments include a method for producing a gas diffusion electrode comprising a metal M selected from Ag, Au, Cu and mixtures and/or alloys, the method comprising: providing a copper-, silver- and/or gold-containing starting material comprising at least one alkaline earth metal-copper, alkaline earth metal-silver and/or alkaline earth metal-gold phase, where the alkaline earth metal is selected from the group consisting of: Mg, Ca, Sr, and Ba; introducing the starting material into a solution having a pH of less than 5 and reacting to give a catalyst material; removing and washing the catalyst material; and processing the catalyst material to form a gas diffusion electrode.

Abstract: An organic electronic device having a charge carrier generation layer is disclosed. In an embodiment an organic electronic device includes a first organic functional layer stack, a second organic functional layer stack and a charge carrier generation layer arranged therebetween, the charge carrier generation layer including an n-conducting region, an organic p-doped region and an intermediate region arranged therebetween, wherein the organic p-doped region has as a p-type dopant a fluorinated sulfonimide metal salt.

Abstract: Various embodiments include a gas diffusion electrode comprising: a metal M selected from the group consisting of: Ag, Au, Cu, and Pd; a binder; hydrophilic and hydrophobic pores and/or channels; and an anion transport material in the pores and/or channels.

Abstract: Various embodiments include an electrolysis cell comprising: a cathode space housing a cathode; a first ion exchange membrane including an anion exchanger and adjoining the cathode space; an anode space housing an anode; a second ion exchange membrane including a cation exchanger and adjoining the anode space; and a salt bridge space disposed between the first ion exchange membrane and the second ion exchange membrane. The cathode comprises: a gas diffusion electrode having a porous bound catalyst structure of a particulate catalyst on a support; a coating of a particulate catalyst on the first and/or second ion exchange membrane; and a porous conductive support impregnated with a catalyst.

Abstract: Various embodiments include an electrode comprising: a solid electrolyte; and a metal M selected from the group of metals consisting of: Cu, Ag, Au, and Pd. The solid electrolyte is selected from the group consisting of: germanium disulfide, germanium diselenide, germanium sulfide, germanium selenide, tungsten trioxide, silver(I) sulfide, silicon dioxide, yttrium-stabilized zirconium(IV) oxide, polysulfone, polybenzoxazole, and polyimide.

Abstract: Various embodiments include a gas diffusion electrode comprising: a) Ag, Au, Cu, and/or Pd; and b) a compound of (a) with a solubility in water at 25° C. and standard pressure of less than 0.1 mol/L. The compound is: M1-xX, M2-yY, M2-yY?w or M3-zZ. w?2, 0?x?0.5, 0?y?1, and 0?z?1.5. X is: Cl, Br, Br3, I, I3, P3, As3, As5, As7, Sb3, Sb5, or Sb7. Y and Y? are: S, S, or Te. Z is: P, As, Sb, Bi, P3, As3, As5, As7, Sb3, Sb5, Sb7, molybdates, tungstates, selenates, arsenates, vanadates, chromates, manganates, niobates of the metal M and thio and/or seleno derivatives of these, or compounds of the formula MaXbYcZd where a?2, b?4, c?8, d?4. b and c are not both 0.

Abstract: Various embodiments include a method for the partial electrochemical hydrogenation of alkynes of the chemical formula (I) to alkenes, wherein R and R? are selected from inorganic and/or organic radicals, the method comprising: hydrogenating the compound of the chemical formula (I) on a copper-containing electrode.

Abstract: Various embodiments include a method for preparing propanol, propionaldehyde, and/or propionic acid comprising: electrolyzing CO2 to give CO and C2H4; and reacting the CO and C2H4 with H2 to produce propanol and/or propionaldehyde, and/or reacting the CO and C2H4 with H2O to produce propionic acid.

Abstract: Various embodiments include a method for continuous operation of an electrolysis cell with a gaseous substrate, the method comprising: supplying an electrolyte to the electrolysis cell via an electrolyte feed; flowing the electrolyte out of the electrolysis cell into the gas space through a gas diffusion electrode; collecting the electrolyte from the electrolyte flow into the gas space in a collecting region in the gas space; and sucking the collected electrolyte out of said gas space via a connection between the gas space and electrolyte feed.

Abstract: An electrolysis apparatus for producing ammonia, the apparatus comprising: a cathode; an anode; an electrolyte; a current source; a supply for nitrogen; and a supply for an acid, wherein the acid comprises at least one acid selected from the group consisting of: HCl, HBr, and HI.

Abstract: A method produces cross-linked hole-conducting electric layers by converting functionalized p-dopants. The functionalized p-dopants are organic metal complexes containing at least one central atom and organic ligands, wherein the central atom is selected from a metal of the groups 6-15 of the periodic table, and at least one of the organic ligands is selected from the following formulas I-V, in which E independently of one another is oxygen, sulfur, selenium, or N(E1)x, and each Rv has at least one functionalizing group selected from the group RF including —OH, —COOH, —NH2, —NHR?, halogen, C2-C40-alkenyl, -dienyl, -alkinyl, -alkenyloxy, -dienyloxy, -alkinyloxy, acrylic acid, oxetan, oxiran, silane, acrylic acid, anhydride, and cyclobutane or consists of the groups, and G=C(RF)uHvFw where u+v+w=3 and n=1-4.

Abstract: The present invention relates to n-dopants for doping organic electron transport materials, wherein the n-dopants have at least one aminophosphazene group of formula 1 having 4 nitrogen atoms bonded to a phosphorus atom.

Abstract: An example electrolysis system for the electrochemical production of ethylene oxide includes an electrolysis cell having an anode in an anode space and a cathode in a cathode space and a gas separation element. The cathode space has a first inlet for carbon monoxide and/or carbon dioxide. The anode space is integrated into an anolyte circuit and the cathode space is integrated into a catholyte circuit. The catholyte circuit has a first product outlet for a reduction product joined to a first connecting conduit connected to the anolyte circuit. The anode space is configured for bringing a reduction product introduced via the first connecting conduit into contact with an oxidation product.

Abstract: A material is utilized with an electropositive metal. This can be used as post-oxyfuel process for oxyfuel power stations. Here, an energy circuit is realized by the material utilization. An electropositive metal, in particular lithium, serves as energy store and as central reaction product for the conversion of nitrogen and carbon dioxide into ammonia and methanol. The power station thus operates without CO2 emissions.

Abstract: An organic electronic component is disclosed. In an embodiment an organic electronic component includes at least one organic layer having a fluorinated sulfonimide metal salt of the following formula: wherein M is either a divalent or higher-valent metal having an atomic mass of greater than 26 g/mol or a monovalent metal having an atomic mass of greater than or equal to 39 g/mol, where 1?n?7, and wherein R1, R2 are selected independently of one another from the group consisting of a fluorine-substituted aryl radical, a fluorine-substituted alkyl radical and a fluorine-substituted arylalkyl radical.

Abstract: The invention relates to a rotary-table bearing assembly, including: a rotary-table bearing, which has an inner ring, an outer ring, and rolling elements arranged in one or more rows, which roll on the inner ring and on the outer ring; and in each case an assembly component having a clamping segment, to which assembly components the outer ring and the inner ring are connected. According to the invention, the clamping segment of at least one assembly component is designed radially elastic on the assembly component, and/or the outer ring and/or the inner ring has a radially elastic connecting segment, by which the particular ring is connected to the assembly component.