DataVXACS NanoPaper
journal article·2024-04-30

Hydrogen Bubbles: Harmonizing Local Hydrogen Transfer for Efficient Plastic Hydro-Depolymerization

Qingyun Kang, Xiaofang Zhang, Qianyue Feng, Lin Zhang, Mingyu Chu, Chaoran Li, Panpan Xu, Muhan Cao, Le He, Qiao Zhang, Jinxing Chen

ACS Nano· Volume 18· Issue 17
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Source abstract

Abstract

Hydro-depolymerization presents a promising avenue for transforming plastic waste into high-value hydrocarbons, offering significant potential for value-added recycling. However, a major challenge in this method arises from kinetic limitations due to insufficient hydrogen concentration near the active sites, requiring optimal catalytic performance only at higher hydrogen pressures. In this study, we address this hurdle by developing “hydrogen bubble catalysts” featuring Ru nanoparticles within mesoporous SBA-15 channels (Ru/SBA). The distinctive feature of Ru/SBA catalysts lies in their capacity for physical hydrogen storage and chemically reversible hydrogen spillover, ensuring a timely and ample hydrogen supply. Under identical reaction conditions, the catalytic activity of Ru/SBA surpassed that of Ru/SiO 2 (no hydrogen storage capacity) by over 4-fold. This substantial enhancement in catalytic performance provides significant opportunities for near atmospheric pressure hydro-depolymerization of plastic waste.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Carbon dioxide utilization in catalysis · Nanomaterials for catalytic reactions · Catalysis and Hydrodesulfurization Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, P. R. China

State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, P. R. China

Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China

Funding

Suzhou Key Laboratory of Functional Nano and Soft Materials · Collaborative Innovation Center of Suzhou Nano Science and Technology · National Key Research and Development Program of China · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Suzhou Key Laboratory of Advanced Photonic Materials · Suzhou Frontier Technology Research Advanced Materials Project · State Key Laboratory of New Textile Materials and Advanced Processing Technologies · Gusu Innovation and Entrepreneurship Leading Talent Program

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