A类片:转换效率≥14%且外观无缺陷的电池片。8.1.2.2Bgrade:Eta10%~14%andmeetthevisualcriteria.B类片:转换效率介于10~14%且外观无缺陷的电池片。Cgrade:Defectcells,24#cell,18#cell,skewbaldcell,aluminumbumpcell,microcrackscell.C类片:即等外片,包括24#片、18#片、花斑片、断栅片、铝包片、缺口片。8.1.2.4Brokencell:Brokencells,includinglargedebrisandsmall碎片:即破损片,包括大碎片及小碎片一、优...