整体煤气化固体氧化物燃料电池并网测试系统设计

doi:10.19799/j.cnki.2095-4239.2021.0100

储能科学与技术 ›› 2021, Vol. 10 ›› Issue (6): 2039-2045.doi: 10.19799/j.cnki.2095-4239.2021.0100

整体煤气化固体氧化物燃料电池并网测试系统设计

李萍萍¹(), 陈姗姗², 赵璐璐¹, 史明亮², 黄岩¹, 李初福¹()

^1.北京低碳清洁能源研究院，北京 102209
^2.国家能源集团新能源有限责任公司，北京 100007

收稿日期:2021-03-15 修回日期:2021-05-15 出版日期:2021-11-05 发布日期:2021-11-03
作者简介:李萍萍（1993—），女，工程师，研究方向为燃料电池系统模拟、工艺集成与优化等，E-mail：pingping.li.d@chnenergy.com.cn|李初福，高级工程师，研究方向为IGFC系统集成与示范，E-mail：chufu.li@chnenergy.com.cn。
基金资助:
国家重点研发计划项目(2017YFB0601900)

Test design of integrated gasification solid oxide fuel cell （IG-SOFC） grid-connection technology

Pingping LI¹(), Shanshan CHEN², Lulu ZHAO¹, Mingliang SHI², Yan HUANG¹, Chufu LI¹()

^1.The National Institute of Clean and Low Carbon Energy, Beijing 102209, China
^2.China Energy New Energy Company, Beijing 100007, China

Received:2021-03-15 Revised:2021-05-15 Online:2021-11-05 Published:2021-11-03

摘要/Abstract

摘要：

整体煤气化固体氧化物燃料电池(integrated gasification solid oxide fuel cellI，IG-SOFC)发电系统，利用煤气化合成气作为SOFC燃料，可以实现煤发电的近零排放，是一种非常有前景的清洁煤电技术，尤其契合我国以煤为主的资源秉性。提出一种IG-SOFC并网发电测试系统设计方案，搭建了可实现“并网测试模式”及“并网发电模式”实时切换的SOFC并网发电系统测试平台。基于自主研发的5 kW级SOFC堆塔模块，在煤制合成气作为燃料的条件下进行了实验测试，以验证系统设计方案的可行性和有效性。根据实验测试结果，SOFC堆塔发电功率达到4.5 kW时，并网功率为4.25 kW，堆塔电效率55.1%，发电系统电效率为52.0%，逆变效率约为94.5%。最后，通过“并网测试”模式下168 h长周期测试，验证了系统长周期运行的稳定性。

关键词: 整体煤气化固体氧化物燃料电池, 发电系统, 电力并网, 测试平台, 煤制合成气

Abstract:

Integrated gasification solid oxide fuel cell (IG-SOFC) power generation system, which uses feed gas obtained from coal gasification (syngas) to achieve near-zero emissions, is a promising clean-coal power generation technology, especially given China's coal-based resource temperament. The paper firstly proposes a test design scheme of the IG-SOFC grid-connected power generation system. Then a SOFC grid-connected power generation test platform is built, which could be applied to the operation mode of both "grid-connected test mode" and "grid-connected power generation mode." The feasibility of the design plan is then validated using the experimental results of a self-developed 5 kW SOFC tower module with syngas as the feed gas. The results show that when the SOFC tower module's generation power reaches 4.5 kW, the grid-connected generation power is 4.25 kW, the power generation efficiency of the stack module is 55.1%, the power generation efficiency of the system is 52.0%, and the inversion efficiency is approximately 94.5%. Finally, the long-period performance stability of the system is verified by the 168 h long-cycle test under "grid-connected test mode."

Key words: integrated gasification solid oxide fuel cell, power generation system, grid- connection, test platform, syngas

中图分类号:

TQ 152

李萍萍, 陈姗姗, 赵璐璐, 史明亮, 黄岩, 李初福. 整体煤气化固体氧化物燃料电池并网测试系统设计[J]. 储能科学与技术, 2021, 10(6): 2039-2045.

Pingping LI, Shanshan CHEN, Lulu ZHAO, Mingliang SHI, Yan HUANG, Chufu LI. Test design of integrated gasification solid oxide fuel cell （IG-SOFC） grid-connection technology[J]. Energy Storage Science and Technology, 2021, 10(6): 2039-2045.

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项目	参数
单堆个数	4
堆塔工作电压范围/V	160～260
堆塔工作电流范围/A	0～30
堆塔工作功率范围/kW	0～5

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整体煤气化固体氧化物燃料电池并网测试系统设计

Test design of integrated gasification solid oxide fuel cell （IG-SOFC） grid-connection technology

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