从生物质到电力：耐焦化运行的高性能反应堆设计。

IF 9.7 1区环境科学与生态学 Q1 AGRICULTURAL ENGINEERING

Bioresource Technology Pub Date : 2024-11-06 DOI:10.1016/j.biortech.2024.131763

Bin Wang , Tong Wang , Dongxu Cui , Tao Li , Rui Xiao

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引用次数: 0

摘要

生物质气化与固体氧化物燃料电池（SOFC）技术利用生物质气化产生的气体直接作为 SOFC 的燃料，从而实现固体废弃物发电。该技术将生物质的碳中和特性与 SOFC 的高效率和低排放相结合，是一条前景广阔的清洁能源发电路线。然而，生物质气化合成气成分复杂，包括高浓度的惰性气体，这对 SOFC 提出了更高的要求。本研究开发了一种基于商用氧化镍-钇稳定氧化锆（YSZ）材料体系的多通道分层结构设计，实现了利用生物质气化合成气的高性能发电。研究结果表明，独特的结构设计与增强的界面电化学反应相结合，有效缓解了惰性成分稀释的影响。在惰性成分占近 60% 的气化合成气中运行时，功率密度可达 2.07 W-cm-2（750 °C）。此外，由于惰性支撑区和电化学活性区在空间上的分离，还实现了控制碳沉积位置的效果，在干燥的生物质气化合成气中稳定运行了 100 小时。因此，具有独特结构调节的微管 SOFC 与生物质气化的结合具有广阔的发展前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

From biomass to power: High-performance reactor design for coking-resistant operation

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From biomass to power: High-performance reactor design for coking-resistant operation

Biomass gasification coupled with solid oxide fuel cell (SOFC) technology utilizes the gas generated from biomass gasification directly as fuel for SOFC, thereby realizing power generation from solid waste. This technology combines the carbon–neutral feature of biomass with the high efficiency and low emissions of SOFC, making it a promising route for clean energy generation. However, biomass gasification syngas possesses a complex composition, including a high concentration of inert gases, which imposes higher requirements on SOFC. This study developed a multi-channel, hierarchical structural design based on the commercial NiO-yttria-stabilized zirconia (YSZ) material system, realizing high-performance power generation using biomass gasification syngas. The results showed that the combination of a unique structural design and an enhanced interface electrochemical reaction effectively mitigates the influence from inert composition dilution. When operating in gasification syngas with nearly 60 % inert components, the power density can reach 2.07 W·cm⁻² (750 °C). In addition, due to the spatial separation of the inert support region and the electrochemically active region, the effect of controlling the position of carbon deposits was achieved, demonstrating 100 h stable operation with dry biomass gasification syngas. Hence, the combination of micro-tubular SOFC with distinctive structural regulation and biomass gasification exhibits promising prospects for further development.

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来源期刊

Bioresource Technology 工程技术-能源与燃料

CiteScore

20.80

自引率

19.30%

发文量

2013

审稿时长

12 days

期刊介绍： Bioresource Technology publishes original articles, review articles, case studies, and short communications covering the fundamentals, applications, and management of bioresource technology. The journal seeks to advance and disseminate knowledge across various areas related to biomass, biological waste treatment, bioenergy, biotransformations, bioresource systems analysis, and associated conversion or production technologies. Topics include: • Biofuels: liquid and gaseous biofuels production, modeling and economics • Bioprocesses and bioproducts: biocatalysis and fermentations • Biomass and feedstocks utilization: bioconversion of agro-industrial residues • Environmental protection: biological waste treatment • Thermochemical conversion of biomass: combustion, pyrolysis, gasification, catalysis.