The increase is due to the short circuit current density of CdTe solar cells with Ni back electrode being higher than that with Au (the biggest extent is 40.

• 为了进一步降低多晶硅太阳电池的成本,研究了硅片厚度对多晶硅太阳电池的短路电流密度、开路电压和效率的影响。