Trina Solar Co., Ltd.

Guangtao Yang

Daming Chen

Yifeng Chen

Xueling Zhang

Yunyun Hu

Wei Liu

Guanchao Xu

Yiqi Chen

Binglun Han

Wenxian Ji

Rui Xia

Xiaobing Ding

Zhuohan Zhang

Rui Yang

The present application relates to a solar cell, a method for manufacturing the same, a photovoltaic module and a photovoltaic system. The solar cell includes: a substrate (), including a first surface (S) and a second surface (S) being opposite to each other, wherein the first surface (S) has a first region (A) and a second region (B) adjacent to each other in a first direction; a passivating contact layer (), located in the first region (A) of the first surface (S); a polysilicon layer () located on at least a part of a surface of the passivating contact layer () away from the substrate (); the passivating contact layer () including a first tunneling layer () and a first doped layer (), the first tunneling layer () and the first doped layer () being sequentially stacked on the first region (A) of the first surface (S) of the substrate () in a direction away from the second surface (S); and a first passivation layer (), located on a surface of the polysilicon layer () away from the passivating contact layer () and on the second region (B) of the first surface (S).

Solar cell, method for manufacturing the same, photovoltaic module and photovoltaic system

A solar cell comprises a substrate having an opposite first surface and a second surface, and the second surface has a first regions and a second regions adjacent in the first direction; a first passivation layer located on the first surface; a first doped layer and a tunnel oxide layer sequentially stacked in the first region; a first insulating layer located on a surface of the first doped layer away from the substrate; a second passivation layer located in the second region and extending to a surface of the first insulating layer away from the substrate; a second doped layer located on a surface of the second passivation layer away from the substrate, and a second insulating layer located between the second passivation layer and the first doped layer, the tunnel oxide layer in the first direction, a surface of the second insulating layer away from the substrate contacting with the first insulating layer.

Solar cells

The present disclosure provides a solar cell including a substrate, a first emitter, a second emitter, an insulating spacing structure, a first electrode, and a second electrode. The substrate includes a front surface and a back surface opposite to each other. The first emitter and the second emitter are disposed on the back surface of the substrate. The first electrode is disposed on a side of the first emitter away from the substrate, and the first electrode is electrically connected to the first emitter. The second electrode is disposed on a side of the second emitter away from the substrate, and the second electrode is electrically connected to the second emitter. The insulating spacing structure is disposed between the first emitter and the second emitter, and the first emitter and the second emitter are spaced from each other by the insulating spacing structure.

Solar cell and method for preparing the same

A stacked cell and preparation method thereof. The stacked cell includes: a crystalline silicon cell; a conductive connecting layer located on a surface of the crystalline silicon cell; a first isolation layer extending from a surface of the conductive connecting layer facing away from the crystalline silicon cell to penetrate through the conductive connecting layer, and a perovskite cell located on the surface of the conductive connecting layer facing away from the crystalline silicon cell.

Stacked cell and preparation method thereof

A solar cell and a manufacturing method thereof, a photovoltaic module, and a photovoltaic system. The manufacturing method includes: providing a substrate; and dividing a second surface of the substrate into a first region, a second region, and an isolation region; sequentially stacking a first tunnel oxide layer, a first intrinsic amorphous silicon layer, a second tunnel oxide layer, and a second intrinsic amorphous silicon layer on the second surface of the substrate; removing the second intrinsic amorphous silicon layer and the second tunnel oxide layer located in the second region; doping the first intrinsic amorphous silicon layer and the second intrinsic amorphous silicon layer located in the first region with a first element, to obtain a first doped layer and a second doped layer respectively; doping the first intrinsic amorphous silicon layer located in the second region with a second element, to obtain a third doped layer; and forming an isolation structure in the isolation region, to isolate the first tunnel oxide layer located in the first region from the first tunnel oxide layer located in the second region and isolate the first doped layer and the second doped layer located in the first region from the third doped layer located in the second region.

Solar cell and manufacturing method thereof, photovoltaic module, and photovoltaic system

Growing community of inventors

Changzhou, China

Guangtao Yang