美国能源部国家可再生能源实验室（NREL）更新了最佳研究电池效率图表，增加了一个新的电池类别——混合串叠。
“该类别汇总了由两种不同光伏材料成层的串叠电池纪录。混合串叠电池的某些子类别（钙钛矿/硅和钙钛矿/CIGS）已出现在以前‘新兴光伏’类别中，而其他类别（III-V/硅和钙钛矿/有机）则是新增的，”该研究机构在声明中说，“所有子类别都被移到了新的混合串叠类别下——但钙钛矿/钙钛矿串叠除外，该类别被列在新兴光伏之下。”
NREL强调，所有这些变化现在都反映在互动图表中。该工具突出显示了一系列光伏技术研究电池经确认的最高转换效率。
该研究机构一位发言人最近告诉《光伏》杂志“截至2023年底的所有数据都包括在内，”并指出图表中还包括今年第一季度取得的重要成果。
现在图表包括了中国制造商隆基乐叶光伏在11月创下的33.9%的世界纪录。该公司生产的钙钛矿-硅串叠太阳能电池的效率达到了27.09%，异质结背面接触太阳能电池的效率也达到了27.09%。此外还有美国薄膜组件制造商First Solar于3月推出的基于铜、铟、镓和二硒化物（CIGS）技术的太阳能电池，效率达到23.64%。
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