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近年来,由于具有较高的能源利用效率和较低的温室气体排放量,燃料电池在住宅中的应用在日本受到了关注.另外,太阳能电池系统也早已被导入住宅的能源利用中.然而,住宅用燃料电池和太阳能电池系统的初始投资成为这类住宅能源系统普及应用的一个主要的障碍.在人类的生产活动中,新的产品会随着技术的提高、产量的增加而降低成本,这两种系统的初始投资也必将降低.但是很少有研究涉及到考虑初始投资递减的这类系统的经济性评价.文中通过应用学习曲线的方法,预测了2005～2030年间以5年为间隔的日本住宅用燃料电池和太阳能发电的初始投资递减,并且试算了日本典型住宅的通用能源系统、燃料电池系统和太阳能电池系统的年间能源费用,由此评价了住宅用燃料电池和太阳能发电的经济性.
In recent years, due to its high energy efficiency and low greenhouse gas emissions, fuel cell applications in residential areas have drawn much attention in Japan, and solar cell systems have long been introduced into residential energy use. However, The initial investment in residential fuel cells and solar cell systems is a major hurdle to the widespread use of such residential energy systems, where new products reduce costs as technology improves and output increases, which Initial investment in both systems is also expected to decrease, but few studies have addressed the economic evaluation of such systems considering declining initial investment.This paper predicts a five-year interval between 2005 and 2030 by applying a learning curve approach Of Japan's residential fuel cells and solar power decline in the initial investment, and tried a typical residential Japan's general energy systems, fuel cell systems and solar energy systems annual energy costs, thus evaluating the residential fuel cells and solar power generation Economic.