为了减小反向漏电流对太阳能电池性能的不良影响,该文通过实验,对比了两款银颗粒均匀度不同的浆料,并将其分别印刷于两组硅片表面;经过各自最优条件烧结后,通过SEM观察了电极与硅片间的接触形成情况;同时,对两组电池片的各项电性能参数进行了对比.结果发现,银颗粒均匀度较差的浆料,会导致较大的反向漏电流,从而降低电池的转换效率;而浆料中银颗粒大小均一、分布均匀的浆料,则可使反向漏电流减小85%以上,有效避免了烧穿的发生,使电池的电性能得以明显提高.
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