摘要:
A membrane electrode assembly (10) of an electrochemical device includes a proton conductive solid electrolyte membrane (12) and an electrode (11) including Ni and an electrolyte material which contains as a primary component, at least one of a first compound having a composition represented by BaZr 1-x1 M 1 x1 O 3 (M 1 represents at least one element selected from trivalent elements each having an ion radius of more than 0.720 A° to less than 0.880 A°, and 0 1 1-x2 Tm x2 O 3 (0 2
摘要:
A proton conductor of the present disclosure has a composition formula of Ba a Zr 1-x-y Yb x Ni y O 3-δ (0.95 ≤ a ≤ 1.05, 0.1 ≤ x ≤ 0.4, and 0.15 ≤ y ≤ 0.30).