Battelle Energy Alliance, LLC

Chao Jiang

Dong Ding

Wei Wu

Hanping Ding

Ting He

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 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.

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Ammon, ID, United States of America

Chao Jiang