太阳能电池技术突破：转换效率超40%-快科技-科技改变生活

太阳能电池技术突破：转换效率超40%

ZNXF
2006年12月07日 10:28
0

美国能源部（DOE）宣布了一种新的太阳能电池，转换率超过40%。这种电池由Boeing-Spectrolab生产，通过反射镜和棱镜来增加进入电池的阳光。DOE表示这种电池的售价为每瓦特三美元，生产电力的成本为8-10美分/每千瓦小时。

传统太阳能电池的转换率只有15%左右，而新的这种集中器电池利用成本相对较低的反射镜和棱镜将阳光集中到电池上更为昂贵的镓砷化物部分来提高转换效率。

Spectrolab公司预测在现有技术条件下，太阳能电池的转换效率最终能达到45%。

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