In the past decade, intensive research on proton-conducting oxide materials has provided a
basis for the development of intermediate-temperature protonic ceramic electrochemical …

Among the phenomena related to the surface rearrangement of cations in perovskite-based
oxides, A-site cation enrichment, Sr in particular, near the surface has been frequently …

Oxygen vacancies play crucial roles in determining the physical properties of metal oxides,
representing important building blocks in many scientific and technological fields due to their …

Electrochemical ion insertion involves coupled ion–electron transfer reactions, transport of
guest species and redox of the host. The hosts are typically anisotropic solids with 2D …

A critical new research direction in solid oxide cells (SOCs) is related to balancing power-
grid load or integrating heat-electricity-gas interconnection simply by switching operations …

Here, Young's modulus, hardness, and fracture toughness are measured by instrumented
nanoindentation for an amorphous Li2S–P2S5 Li-ion solid electrolyte. Although low elastic …

Hydrogen, the smallest and the lightest atomic element, is reversibly incorporated into
interstitial sites in vanadium dioxide (VO2), a correlated oxide with a 3 d 1 electronic …

Solid-oxide fuel cells are devices for the efficient conversion of chemical energy to electrical
energy and heat. Research efforts are currently addressed toward the optimization of cells …

Solid oxide fuel cells (SOFCs) and electrolysis cells (SOECs) are promising energy
conversion devices, on whose basis green hydrogen energy technologies can be …

Hydrogen energy is an ever-growing and increasingly crucial current field of science and
technology aimed at solving many global problems, such as world-wide pollution, the …