A novel laser 3D printing method for the advanced manufacturing of protonic ceramics

Shenglong Mu, Yuzhe Hong, Hua Huang, Akihiro Ishii, Jincheng Lei, Yang Song, Yanjun Li, Kyle S. Brinkman, Fei Peng, Hai Xiao, Jianhua Tong

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Protonic ceramics (PCs) with high proton conductivity at intermediate temperatures (300– 600 °C) have attracted many applications in energy conversion and storage devices such as PC fuel/electrolysis cells, PC membrane reactors, hydrogen pump, hydrogen or water-permeable membranes, and gas sensors. One of the essential steps for fulfilling the practical utilization of these intermediate-temperature PC energy devices is the successful development of advanced manufacturing methods for cost-effectively and rapidly fabricating them with high energy density and efficiency in a customized demand. In this work, we developed a new laser 3D printing (L3DP) technique by integrating digital microextrusion-based 3D printing and precise and rapid laser processing (sintering, drying, cutting, and polishing), which showed the capability of manufacturing PCs with desired complex geometries, crystal structures, and microstructures. The L3DP method allowed the fabrication of PC parts such as pellets, cylinders, cones, films, straight/lobed tubes with sealed endings, microchannel membranes, and half cells for assembling PC energy devices. The preliminary measurement of the L3DP electrolyte film showed a high proton conductivity of ≈7 × 10−3 S/cm. This L3DP technique not only demonstrated the potential to bring the PCs into practical use but also made it possible for the rapid direct digital manufacturing of ceramic-based devices.

本文言語English
論文番号98
ジャーナルMembranes
10
5
DOI
出版ステータスPublished - 2020 5
外部発表はい

ASJC Scopus subject areas

  • 化学工学(その他)
  • プロセス化学およびプロセス工学
  • ろ過および分離

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