Battelle Energy Alliance, LLC

Wei Wu

Dong Ding

Ting He

Hanping Ding

Yunya Zhang

Chao Jiang

Bin Hua

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: DABO, 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 δ 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.

Electrochemical cells for hydrogen gas production and electricity generation, and related systems and methods

An electrochemical cell comprising a three-dimensional (3D) electrode, another electrode, and an electrolyte. The 3D electrode comprises a 3D architectured material. Methods of forming the 3D architectured material are also disclosed, as are methods of using the 3D architectured material in methods of forming hydrogen.

Electrochemical cells comprising three-dimensional (3D) electrodes including a 3D architectured material, related systems, and related methods of forming hydrogen

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 10S/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.

Hydrogen gas production systems and related electrolysis cells

A method of a hydrocarbon product and ammonia comprises introducing CHto 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 comprising an electrolyte material having an ionic conductivity greater than or equal to about 10S/cm at one or more temperatures within a range of from about 150&#xb0; C. to about 600&#xb0; C. Nis introduced to the negative electrode of the electrochemical cell. A potential difference is applied between the positive electrode and the negative electrode of the electrochemical cell. A system for co-producing higher hydrocarbons and NH, and an electrochemical cell are also described.

Methods for co-producing hydrocarbon products and ammonia

A method of forming a hydrocarbon product and hydrogen gas comprises introducing CHto 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 10S/cm at one or more temperatures within a range of from about 150&#xb0; C. to about 600&#xb0; 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 CHactivation system and an electrochemical cell are also described.

Methods for producing hydrocarbon products and hydrogen gas through electrochemical activation of methane

A method of forming a hydrocarbon product and a protonation product comprises introducing CHto 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 10S/cm at one or more temperatures within a range of from about 150&#xb0; C. to about 650&#xb0; 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 CHactivation system and an electrochemical cell are also described.

Methods for producing hydrocarbon products and protonation products through electrochemical activation of ethane

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 Pr(Co, Ni, Mn, Fe)O, wherein 0&#x2264;x&#x2264;0.9, 0&#x2264;y&#x2264;0.9, 0&#x2264;z&#x2264;0.9, and &#x3b4; 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.

A method of fabricating a three-dimensional (3D) architectured anode. The method comprises immersing a fabric textile in a precursor solution, the precursor solution comprising a nickel salt and gadolinium doped ceria (GDC). The nickel salt and GDC are absorbed to the fabric textile. The fabric textile comprising the absorbed nickel salt and GDC is removed from the precursor solution and calcined to form a 3D architectured anode comprising nickel oxide and GDC. Additional methods and a direct carbon fuel cell including the 3D architectured anode are also disclosed.

Three-dimensional architectured anode, a direct carbon fuel cell including the three-dimensional architectured anode, and related methods

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 10S/cm at one or more temperatures within a range of from about 150&#xb0; C. to about 650&#xb0; C. The gaseous water is decomposed using the electrolysis cell. A hydrogen gas production system and an electrolysis cell are also described.

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Idaho Falls, ID, United States of America

Wei Wu