MODULE LEVEL SOLUTION TO SOLAR CELL POLARIZATION USING AN ENCAPSULANT WITH OPENED UV TRANSMISSION CURVE

1 . A solar cell module comprising:

a plurality of interconnected solar cells, each of the solar cells having a front side that faces the sun during normal operation and a backside opposite the front side;

a transparent cover over front sides of the solar cells;

a backsheet on backsides of the solar cells; and

an encapsulant protectively bonding the solar cells and the backsheet, the encapsulant having a UV transmission curve that starts at 280 nm wavelength and a volume specific resistance of at least 5×10 13 Ωcm, the encapsulant encapsulating an entirety of the solar cells.

2 . The solar cell module of claim 1 , wherein the transparent cover comprises glass.

3 . The solar cell module of claim 1 , wherein the backsheet comprises Tedlar/Polyester/E.

4 . The solar cell module of claim 1 , wherein the encapsulant has the volume specific resistance of at least 5×10 13 Ωcm in the temperature range −40° C. to 90° C.

5 . The solar cell module of claim 1 , wherein the solar cells comprise back junction solar cells.

6 . The solar cell module claim 1 , wherein the encapsulant bonds the solar cells, the transparent cover, and the backsheet to form a protective package.

7 . The solar cell module of claim 1 , wherein the encapsulant fills a space between adjacent solar cells.

8 . The solar cell module of claim 1 , wherein the backsheet and the transparent cover are directly on the encapsulant.

9 . A solar cell module comprising:

a first solar cell and a second solar cell, each of the first and second solar cells having a front side that faces the sun during normal operation and a backside opposite the front side;

a transparent cover;

a backsheet; and

an encapsulant that encapsulates an entirety of the first and second solar cells, the encapsulant having a front portion that is directly on the transparent cover and a back portion that is directly on the backsheet, the encapsulant having a UV transmission curve that starts at 280 nm wavelength and a volume specific resistance of at least 5×10 13 Ωcm.

10 . The solar cell module of claim 9 , wherein the transparent cover comprises glass.

11 . The solar cell module of claim 9 , wherein the backsheet comprises Tedlar/Polyester/E.

12 . The solar cell module of claim 9 , wherein the encapsulant has the volume specific resistance of at least 5×10 13 Ωcm throughout in the temperature range −40° C. to 90° C.

13 . The solar cell module of claim 9 , wherein the first and second solar cells comprise back junction solar cells.

14 . The solar cell module claim 1 , wherein the encapsulant bonds the solar cells, the transparent cover, and the backsheet to form a protective package.

15 . The solar cell module of claim 1 , wherein the encapsulant fills a space between the first and second solar cells.

16 . A solar cell module comprising:

a first back junction solar cell and a second back junction solar cell, each of the first and second back junction solar cells having a front side that faces the sun during normal operation and a backside opposite the front side; and

an encapsulant that encapsulates an entirety of the first and second back junction solar cells and fills a space between the first and second back junction solar cells, the encapsulant having a UV transmission curve that starts at 280 nm wavelength and a volume specific resistance of at least 5×10 13 Ωcm.

17 . The solar cell module of claim 16 , further comprising:

a transparent cover that is directly on a front portion of the encapsulant.

18 . The solar cell module of claim 17 , further comprising:

a backsheet that is directly on a back portion of the encapsulant.

19 . The solar cell module of claim 18 , wherein the encapsulant bonds the transparent cover, the backsheet, and the first and second back junction solar cells to form a protective package.

20 . The solar cell module of claim 19 , wherein the transparent cover comprises glass.