Industrial 166mm Bifacial SHJ/HJT Solar Cell - Knowledge

【Product description】

Silicon Heterojunction Technology (SHJ/HJT) is featured with amorphous silicon/crystalline silicon heterojunction.

Industrial 166mm bifacial SHJ/HJT solar cells are available with efficiency of 24.4% and power of 6.69Watt.

【Process flow】

【Key features】

High Efficiency and high Voc

Low temperature coefficient 5-8% power output gain

Bifacial structures

【Technical Data】

TECHNICAL DATA AND DESIGN		TEMPERATURE COEFFICIENTS AND SOLDERABILITY
Dimension	166mm*166mm±0.25	TkUoc (%/K)	-0.192
Thickness	170+20 μm/-10 μm	TkIsc (%/K)	+0.035
Front	9×0.7mm Welding spot type front electrode	TkPMAX (%/K)	-0.236
Back	9×0.9mm Welding spot type back electrode	Peel Strength Minimum	>1.4N/mm

ELECTRICAL PARAMETERS at STC
No.	Efficiency (%)	Pmpp (W)	Uoc (V)	Isc (A)	Umpp (V)	Impp (A)	FF (%)
1	24.40	6.69	0.746	10.758	0.644	10.386	83.35
2	24.30	6.66	0.746	10.754	0.644	10.352	83.10
3	24.20	6.63	0.745	10.750	0.643	10.318	82.84
4	24.10	6.61	0.745	10.745	0.643	10.282	82.56
5	24.00	6.58	0.744	10.740	0.642	10.245	82.27
6	23.90	6.55	0.744	10.728	0.642	10.210	82.06
7	23.80	6.52	0.744	10.716	0.641	10.175	81.84
8	23.70	6.50	0.744	10.683	0.642	10.124	81.76
9	23.60	6.47	0.744	10.649	0.642	10.072	81.67
10	23.50	6.44	0.743	10.628	0.640	10.072	81.64
11	23.40	6.41	0.741	10.607	0.637	10.072	81.61
12	23.30	6.39	0.741	10.602	0.635	10.058	81.35
13	23.20	6.36	0.740	10.596	0.633	10.043	81.09
14	23.10	6.34	0.741	10.563	0.635	9.979	80.88
15	23.00	6.31	0.742	10.530	0.636	9.914	80.67
16	22.90	6.28	0.742	10.504	0.635	9.890	80.57
17	22.80	6.25	0.742	10.477	0.634	9.865	80.46
18	22.70	6.23	0.741	10.488	0.632	9.850	80.18
19	22.60	6.20	0.739	10.499	0.630	9.834	79.89
20	22.50	6.17	0.738	10.496	0.629	9.809	79.72
21	22.40	6.14	0.736	10.493	0.628	9.784	79.54

【Spectral Response】

Spectral Response 4

【IV Curve】

IV Curve 4

【Intensity Depence】

Intensity Dependence 4