Advancements in sustainable proton-conducting electrochemical cells: Direct recycling of sintered nickel oxide-doped barium zirconate half cells

Wu, Wei; Wang, Wanhua; Berglund, Noah James; Aston, John E.; Shi, Meng; Diaz, Luis A.; Ding, Dong; Stewart, Frederick F.

doi:10.1016/j.resconrec.2024.107782

Advancements in sustainable proton-conducting electrochemical cells: Direct recycling of sintered nickel oxide-doped barium zirconate half cells

Journal Article · Sat Jul 13 00:00:00 EDT 2024 · Resources, Conservation and Recycling

DOI:https://doi.org/10.1016/j.resconrec.2024.107782· OSTI ID:2403373

^[1]; Wang, Wanhua ^[1]; Berglund, Noah James ^[1]; Aston, John E. ^[1]; Shi, Meng ^[1]; Diaz, Luis A. ^[1]; Ding, Dong ^[1]; Stewart, Frederick F. ^[1]

Idaho National Laboratory (INL), Idaho Falls, ID (United States)

The ongoing evolution in energy production and conversion technologies has brought solid oxide electrochemical cells (SOCs) to the forefront, recognized for their high efficiency and environmental benefits. However, establishing sustainable and scalable manufacturing processes for SOCs presents formidable challenges, including sourcing large-scale raw materials and implementing effective recycling methods for spent cells and manufacturing scraps. In response, we demonstrate closed-loop direct recycling of proton-conducting solid oxide electrochemical half cells, incorporating active comminution and cell regeneration using the recycled materials. This innovative approach achieves over 92 % material recovery and an impressive 100 % recovery in full cell performance, addressing a significant gap in current sustainable manufacturing practices while setting a new standard for the industry. This technology not only addresses a significant gap in current sustainable manufacturing practices but also sets a precedent for future advancements in the sustainable SOC field, potentially influencing broader practices in the recycling of multi-functional ceramics.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE Laboratory Directed Research and Development (LDRD) Program

Grant/Contract Number:: AC07-05ID14517

OSTI ID:: 2403373

Alternate ID(s):: OSTI ID: 2438036

Report Number(s):: INL/JOU-24-77096-Rev000

Journal Information:: Resources, Conservation and Recycling, Vol. 209, Issue -; ISSN 0921-3449

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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