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Forum 芬兰研发出使用天然气的燃料电池系统
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芬兰研发出使用天然气的燃料电池系统

YYD
YYD over 14 years ago

来源:科学网

      网易探索1月10日报道 芬兰国家技术研究中心日前发布的公报说,该中心研发出独特的燃料电池系统,能够以天然气为燃料并网发电。其独特性在于利用10千瓦级的单个平板式固体氧化物燃料电池堆来生产电能。

      单个燃料电池功率有限,为增强其实用性,研究人员将若干燃料电池以串联、并联等方式组装成燃料电池堆,平板式固体氧化物燃料电池堆是一种形似“多层夹心饼干”的组装结构。

      芬兰国家技术研究中心的专家介绍说,他们在两个月前首次将10千瓦级的单个平板式固体氧化物燃料电池堆组装成系统,并在实际运行条件下进行测试。

      该中心指出,提高单个燃料电池堆的功率,可为将来建造大规模固体氧化物电池发电厂创造条件。目前市场上单个平板式燃料电池堆的功率多为0.5千瓦到数千瓦,如果要用燃料电池技术建造一座发电厂,就需要很多燃料电池堆,加上组装、维护和管理,成本很高。提高单个平板式燃料电池堆的功率可减少这种新型发电厂的建设和维护成本。

      芬兰国家技术研究中心研发的平板式固体氧化物燃料电池堆系统,自2010年11月运行以来已持续工作1500多个小时。该系统生产的电能已相当于芬兰5套公寓住宅的年耗电量。目前,该燃料电池堆系统正接受“耐力”测试,以确定系统各部件的可靠性、耐用性及需要进一步完善之处。

      芬兰专家指出,燃料电池是一种注入燃料和氧化剂后,通过化学反应产生电能的发电装置。固体氧化物燃料电池可使用天然气、沼气等燃料,碳排放量较低,在未来发电中具有广阔应用前景。

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