20年国际新能源与可再生能源研究取得的重大进展。1、太阳能热利用 :①太阳能热水器产业飞速发展 ,全球拥有量已超过 1亿平方米。目前日本有2 0 %家庭使用太阳能热水器 ;以色列则有高达 80 %家庭使用了太阳能热水器。②太阳能热转换材料 :2 0年来太阳能热水器效益已提高了 10倍 20 years of international new energy and renewable energy research made significant progress. 1, solar thermal utilization: ① rapid development of solar water heater industry, the global ownership has more than 100 million square meters. Currently, 20% of households in Japan use solar water heaters; in Israel, up to 80% of households use solar water heaters. ② solar thermal conversion materials: 20 years the benefits of solar water heaters have increased 10 times