摘要：Conventional combined heat and power (CHP) systems lack flexibility due to fixed heat-to-power ratio (HPR). To address this challenge, a novel CHP system with an adjustable HPR, integrating biomass gasification, solid oxide fuel cell (SOFC), and gas turbine (GT) is proposed. By adjusting the separation ratio of gasification syngas, fuel energy was cascaded by the SOFC, GT, and a lithium bromide (LiBr) absorption heat pump subsystem. To achieve near-zero CO2 emissions, oxy-fuel combustion technology was employed. Energy, exergy, economic, and exergoeconomic assessments were conducted under two HPR cases. For the system with an HPR of 0.47 (Case1), the overall energy and exergy efficiencies reached 74.44% and 49.54%, respectively. When the HPR increased to 1.68 (Case2), they were 73.23% and 30.74%, respectively. Both cases demonstrated profitability, yielding exergy product costs of 0.0998 $/kWh and 0.1237 $/kWh, respectively. This flexible, clean, and cost-effective system presents a highly sustainable approach for biomass utilization.

关键字：Biomass gasification; SOFC; CHP system; Economic analysis; Exergoeconomic analysis

ISSN号：0360-3199

卷、期、页：卷: 244

发表日期：2026-06-22

期刊分区（SCI为中科院分区）：二区

收录情况：SCI（科学引文索引印刷版）,EI（工程索引）,SCIE（科学引文索引网络版）

发表期刊名称：INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

参与作者：Lora, Electo Eduardo Silva,Venturini, Osvaldo Jose,Kozlov, Alexander N.,Isa, Yusuf Makarfi

通讯作者：魏俊杰

第一作者：陈哲文,张玉明,张炜,李家州

论文类型：期刊论文

论文概要：魏俊杰,陈哲文,张玉明,张炜,李家州,Lora, Electo Eduardo Silva,Venturini, Osvaldo Jose,Kozlov, Alexander N.,Isa, Yusuf Makarfi，An adjustable heat-to-power ratio combined heat and power system integrating biomass gasification, solid oxide fuel cell, and gas turbine: Energy, exergy, economic, and exergoeconomic (4E) analyses，INTERNATIONAL JOURNAL OF HYDROGEN ENERGY，2026，卷: 244

论文题目：An adjustable heat-to-power ratio combined heat and power system integrating biomass gasification, solid oxide fuel cell, and gas turbine: Energy, exergy, economic, and exergoeconomic (4E) analyses