Abstract: An electrochemical cell comprises a first electrode, a second electrode, and a proton-conducting membrane between the first electrode and the second electrode. The first electrode comprises a layered perovskite having the general formula: DAB2O5+?, wherein D consists of two or more lanthanide elements; A consists of one or more of Sr and Ba; B consists of one or more of Co, Fe, Ni, Cu, Zn, Mn, Cr, and Nd; and ? is an oxygen deficit. The second electrode comprises a cermet material including at least one metal and at least one perovskite. Related structures, apparatuses, systems, and methods are also described.

Abstract: A method for forming an electrochemical device includes forming a first electrolyte layer on a first electrode. A second electrolyte layer is formed on the first electrode, the first electrode positioned between the first electrolyte layer and the second electrolyte layer. A chemical composition and a thickness of the first electrolyte layer and the second electrolyte layer are substantially the same. The method includes heating the first electrolyte layer and the second electrolyte layer and removing the first electrolyte layer. A second electrode is formed on the second electrolyte layer; and the second electrode is heated to form an electrochemical device.

Abstract: A method of forming ethylene is disclosed. The method includes introducing oxygen-containing molecules to a first electrode of an electrochemical cell including the first electrode, a second electrode, and an electrolyte between the first electrode and the second electrode. The second electrode includes at least one catalyst material formulated to accelerate oxidative coupling of methane (CH4) (OCM) reaction rates to produce C2H4 from CH4 and oxygen ions. The method further includes introducing CH4 to the second electrode of the electrochemical cell. The method also includes applying a potential difference in electrolysis mode between the first electrode and the second electrode of the electrochemical cell. The oxygen-containing molecules interact with the second electrode to produce O2? through reduction of the oxygen-containing molecules, the O2? are transported through the electrolyte, and C2H4 is produced at the second electrode through OCM.

Abstract: A method of forming at least one hydrocarbon from carbon dioxide comprises introducing steam to a first electrode of an electrochemical cell, and introducing carbon dioxide to a second electrode of the electrochemical cell. The electrochemical cell includes the first electrode, the second electrode, and an electrolyte between the first electrode and the second electrode. The second electrode comprises at least one catalyst material formulated to accelerate a carbon dioxide hydrogenation reaction to produce the at least one hydrocarbon product from the carbon dioxide. The method further comprises applying a potential difference between the first electrode and the second electrode of the electrochemical cell. Also disclosed are the electrochemical cell, and the system for producing one or more hydrocarbon product from carbon dioxide.

Abstract: The present disclosure provides methods, devices, apparatus, and storage medium for performing speech-to-text conversion. The method includes: displaying, by a first device, a first user interface, the first user interface being a display screen of a virtual environment that provides a virtual activity place for a first virtual role controlled by a first user account; displaying, by a second device, a second user interface, the second user interface being a display screen of a virtual environment that provides a virtual activity place for a second virtual role controlled by a second user account; in response to a speech input operation by the first user account performed on the first device, displaying, by the first device, a chat message in a first language, and displaying, by the second device, the chat message in a second language.

Abstract: Provided are a gene KWE2 for regulating corn car grain weight and yield, a protein encoding same, and an expression vector thereof. Further provided are an InDel1 marker of the gene KWE2 for regulating corn car grain weight and yield, and the use thereof in plant trait improvement.

Abstract: A method of forming a metal nanomaterial comprises forming a precursor solution comprising a metal precursor and a metal oxide precursor. A complexing agent is added to the precursor solution, and the metal precursor and the metal oxide precursor are hydrolyzed to form a sol. The sol is heated to form a gel, which is calcined to incorporate metal cations from the metal precursor into a metal oxide lattice from the metal oxide precursor. The calcined gel is exposed to a reducing agent to exsolve the metal from the metal oxide lattice and to form a metal nanomaterial comprising a metal and a metal oxide is formed. Additional methods of forming a metal nanomaterial are also disclosed.

Abstract: The present disclosure provides a fusion protein and methods thereof for preparing a pharmaceutical composition comprising the fusion protein and for methods for treating tumors and/or viral infections using said fusion proteins and compositions, wherein the fusion protein comprises an antibody or antigen-binding fragment thereof that specifically binds to human OX40 and a human interferon.

Abstract: A method of hydrogenating carbon dioxide comprises forming a tunable catalyst comprising at least one metal comprising a size within a range of from a single atom to about 999 nanometers and formulated to produce one or more carbon-containing compounds. An electrochemical cell comprising a positive electrode, a negative electrode comprising the tunable catalyst, and an electrolyte between the positive electrode and the negative electrode is formed. Carbon dioxide is introduced to the negative electrode of the electrochemical cell and a potential difference is applied between the positive electrode and the negative electrode to selectively hydrogenate the carbon dioxide. The hydrogen ions are diffused through the electrochemical cell. The carbon dioxide at the negative electrode is hydrogenated to selectively form carbon monoxide, methane, or a desired ratio of carbon monoxide and methane. An electrochemical cell and a carbon dioxide hydrogenation system are also disclosed.

Abstract: An electrochemical cell comprises a positive electrode, a negative electrode comprising a tunable catalyst formulated to selectively hydrogenate carbon dioxide, and an electrolyte between the positive electrode and the negative electrode. The tunable catalyst comprising at least one metal comprising a size within a range of from a single atom to about 999 nanometers and formulated to produce one or more specific carbonaceous product. Also disclosed is an electrochemical cell comprises a positive electrode, a negative electrode comprising a tunable catalyst formulated to selectively hydrogenate carbon dioxide, and an electrolyte between the positive electrode and the negative electrode. The tunable catalyst comprising a transition metal catalyst dispersed and supported on an oxide of at least one lanthanide element. Further disclosed is a carbon dioxide hydrogenation system.

Abstract: A method of producing hydrogen gas comprises introducing gaseous water to an electrolysis cell comprising a positive electrode, a negative electrode, and a proton-conducting membrane between the positive electrode and the negative electrode. The proton-conducting membrane comprises an electrolyte material having an ionic conductivity greater than or equal to about 10?2 S/cm at one or more temperatures within a range of from about 150° C. to about 650° C. The gaseous water is decomposed using the electrolysis cell. A hydrogen gas production system and an electrolysis cell are also described.

Abstract: A direct air capture (DAC) reactor system is disclosed and comprises electrochemical cells. One or more of the electrochemical cells comprises a cathode, an anode, and an electrolyte membrane between the cathode and the anode. The electrolyte membrane is configured to transport carbonate ions and oxygenate ions from the cathode to the anode. Additional DAC reactor systems and methods of capturing carbon dioxide from a feedstream using the reactor systems are also disclosed.

Abstract: The present invention relates to compounds of formula (I), wherein R1 to R3, A1 to A3 and n are as described herein, and their pharmaceutically acceptable salt thereof, and compositions including the compounds and methods of using the compounds.

Abstract: A method of forming a hydrocarbon product and hydrogen gas comprises introducing CH4 to a positive electrode of an electrochemical cell comprising the positive electrode, a negative electrode, and a proton-conducting membrane between the positive electrode and the negative electrode. The proton-conducting membrane comprises an electrolyte material having an ionic conductivity greater than or equal to about 10?2 S/cm at one or more temperatures within a range of from about 150° C. to about 600° C. A potential difference is applied between the positive electrode and the negative electrode of the electrochemical cell to produce the hydrocarbon product and the hydrogen gas. A CH4 activation system and an electrochemical cell are also described.

Abstract: A method of forming a hydrocarbon product and a protonation product comprises introducing C2H6 to a positive electrode of an electrochemical cell comprising the positive electrode, a negative electrode, and a proton-conducting membrane between the positive electrode and the negative electrode. The proton-conducting membrane comprises an electrolyte material having an ionic conductivity greater than or equal to about 10?2 S/cm at one or more temperatures within a range of from about 150° C. to about 650° C. A potential difference is applied between the positive electrode and the negative electrode of the electrochemical cell to produce the hydrocarbon product and the protonation product. A C2H6 activation system and an electrochemical cell are also described.

Abstract: A connector assembly comprises a connector and a temperature sensor. The connector includes a connector housing formed with a sensor slot, and a conductive terminal arranged in the connector housing. The temperature sensor is inserted into the sensor slot and is adapted to detect a temperature of the conductive terminal in the connector. The sensor includes a shell having a first sidewall in thermal contact with the conductive terminal, and a second sidewall opposite to the first sidewall. The second sidewall defines an interference fit portion extending from an outer surface thereof. The interference fit portion forms an interference fit with an inner wall of the sensor slot. A remaining portion of the second sidewall except for the interference fit portion is separated from the inner wall of the sensor slot by a predetermined gap. The sensor further includes a temperature sensing element arranged in the shell.

Abstract: A connector assembly comprises a connector, a mating connector, and a locking device detachably mounted on the mating connector and adapted to lock the connector and the mating connector in a mating state. The connector includes a housing having an insertion hole, a terminal provided in the housing, and a temperature sensor inserted into the insertion hole of the housing and in thermal contact with the terminal to detect the temperature of the terminal.

Abstract: A composite media for non-oxidative C2H6 dehydrogenation comprises an aluminosilicate zeolite matrix, and an EDH catalyst on one or more of an external surface of the aluminosilicate zeolite matrix and internal surfaces within pores of the aluminosilicate zeolite matrix. The EDH catalyst comprises one or more of Fe, Zn, Pt, Ga, alloys thereof, and oxides thereof. A C2H6 activation system, and a method of processing a C2H6-containing stream are also described.

Abstract: In various embodiments, a solid oxide fuel cell features a functional layer for reducing interfacial resistance between the cathode and the solid electrolyte.