An electrode catalyst for a water electrolysis cell includes a catalyst, a support, and an organic compound. The catalyst is a layered double hydroxide that contains a chelating agent. The support contains a transition metal. The organic compound has an anionic functional group.

An electrode catalyst for a water electrolysis cell includes a catalyst, a support, and an organic compound. The catalyst is a layered double hydroxide that contains a chelating agent. The support contains a transition metal. The organic compound has an anionic functional group.

The present invention relates to silver nanoclusters doped with rhodium hydride, a method of producing the same, and an electrochemical catalyst for hydrogen gas generation. The silver nanoclusters doped with rhodium hydride of the present invention have utility as an electrochemical catalyst, have a significantly low production cost compared to a platinum (Pt) catalyst according to the related art, and exhibit an effect of generating hydrogen gas equal to or greater than that of the Pt catalyst.

The invention relates to a layered double hydroxide (LDH) material and methods for using the LDH material to catalyse the oxygen evolution reaction (OER) in a water-splitting process. The invention also provides a composition, a catalytic material, an electrode and an electrolyser including the LDH material. In particular, the LDH material includes a metal composite including cobalt, iron, chromium and optionally nickel species interspersed with a hydroxide layer.

The invention relates to a layered double hydroxide (LDH) material and methods for using the LDH material to catalyse the oxygen evolution reaction (OER) in a water-splitting process. The invention also provides a composition, a catalytic material, an electrode and an electrolyser including the LDH material. In particular, the LDH material includes a metal composite including cobalt, iron, chromium and optionally nickel species interspersed with a hydroxide layer.

The present disclosure relates to a process for manufacturing 2,3-butanediol by electroreduction of 3-hydroxybutan-one in an aqueous media.

The present invention provides a method for making materials and electrocatalytic materials comprising amorphous metals or metal oxides. This method provides a scalable preparative approach for accessing state-of-the-art electrocatalyst films, as demonstrated herein for the electrolysis of water, and extends the scope of usable substrates to include those that are non-conducting and/or three-dimensional electrodes.

The present disclosure provides a hydrogen evolution electrode and a preparation method thereof. The preparation method includes the following steps: providing an electrolyte including Co(NO.sub.3).sub.2.Math.6H.sub.2O with a Co(NO.sub.3).sub.2 concentration of 0.005 mol L.sup.−1 to 0.015 mol L.sup.−1, MnCl.sub.2.Math.4H.sub.2O with a MnCl.sub.2 concentration of 0.005 mol L.sup.−1 to 0.01 mol L.sup.−1, KCl with a concentration of 0.003 mol L.sup.−1 to 0.008 mol L.sup.−1, and CH.sub.3CSNH.sub.2 with a concentration of 0.04 mol L.sup.−1 to 0.06 mol L.sup.−1; adjusting the electrolyte to a pH value of 6 to 7; providing a cathode in the form of a substrate; and conducting electrolysis in a cyclic voltammetry mode, thereby preparing the electrode for hydrogen production by water electrolysis through electrochemical deposition of a Co.sub.9-xMn.sub.xS.sub.8 nanosheet catalyst on the cathode substrate, where 1≤X≤7.

The present disclosure provides a hydrogen evolution electrode and a preparation method thereof. The preparation method includes the following steps: providing an electrolyte including Co(NO.sub.3).sub.2.Math.6H.sub.2O with a Co(NO.sub.3).sub.2 concentration of 0.005 mol L.sup.−1 to 0.015 mol L.sup.−1, MnCl.sub.2.Math.4H.sub.2O with a MnCl.sub.2 concentration of 0.005 mol L.sup.−1 to 0.01 mol L.sup.−1, KCl with a concentration of 0.003 mol L.sup.−1 to 0.008 mol L.sup.−1, and CH.sub.3CSNH.sub.2 with a concentration of 0.04 mol L.sup.−1 to 0.06 mol L.sup.−1; adjusting the electrolyte to a pH value of 6 to 7; providing a cathode in the form of a substrate; and conducting electrolysis in a cyclic voltammetry mode, thereby preparing the electrode for hydrogen production by water electrolysis through electrochemical deposition of a Co.sub.9-xMn.sub.xS.sub.8 nanosheet catalyst on the cathode substrate, where 1≤X≤7.

A tandem electrode for electrochemically reducing carbon dioxide is described. The electrode includes a first distinct catalyst layer and a second distinct catalyst layer. The first distinct catalyst layer is made of a C.sub.1 hydrocarbon or C.sub.2+ product selective catalyst and the second distinct catalyst layer is comprised of a CO selective catalyst. In one embodiment, the second distinct catalyst layer is concentrated at one end of the tandem electrode. In another embodiment, the tandem electrode also includes a microporous layer and a substrate layer.