Zhejiang Jinko Solar Co., Ltd

Shanghai Jinko Green Energy Enterprise Management Co., Ltd.

Jinko Solar Co., Ltd.

Jialei Chai

Wenqi Li

Ding Yu

Xiaowen Zhang

Shijie Zhao

Jie Yang

Xinyu Zhang

Hao Jin

Menglei Xu

Zhao Wang

Peiting Zheng

Hao Wang

Jiahao Wu

Xiangyun Zhao

A solar cell, including a crystalline silicon substrate; a first passivation contact step provided on a surface of the crystalline silicon substrate; a second passivation contact step provided on a surface of the first passivation contact step away from the crystalline silicon substrate and located corresponding to an electrode; a first passivation antireflection step provided on the surface of the first passivation contact step away from the crystalline silicon substrate and not in contact with the second passivation contact step; a second passivation antireflection step provided on a surface of the second passivation contact step away from the first passivation contact step; and the electrode including a side in contact with the first passivation contact step and another side penetrating through the second passivation contact step and the second passivation antireflection step.

Solar cell and photovoltaic module

A solar cell is provided, including: a substrate having a first surface including first regions and second regions, a first passivation contact structure formed on the first and second regions, second passivation contact structures formed on the first passivation contact structure, first passivation films formed on the first passivation contact structure, and first electrodes extending in a second direction perpendicular to the first direction. Each second passivation contact structure has an orthographic projection on the first surface in a respective first region, and each first passivation film has an orthographic projection on the first surface in a respective second region. Each first electrode covers a top surface of a respective second passivation contact structure and at least part of two opposing sidewalls of the respective second passivation contact structure in the first direction, and is in electrical contact with the respective second passivation contact structure.

Solar cell, method for preparing solar cell, and photovoltaic module

A solar cell, a method for producing a solar cell and a solar cell module are provided. The solar cell includes: a substrate having a front surface and a rear surface opposite to the front surface; a first passivation layer, a second passivation layer and a third passivation layer sequentially formed on the front surface and in a direction away from the front surface; wherein the first passivation layer includes a dielectric material; the second passivation layer includes a first silicon nitride SiNmaterial, and a ratio of n/m is 0.5˜1; the third passivation layer includes a silicon oxynitride SiONmaterial, and a ratio of j/i is 0.1˜0.6; and a tunneling oxide layer and a doped conductive layer sequentially formed on the rear surface and in a direction away from the rear surface, wherein the doped conductive layer and the substrate have a doping element of a same conductivity type.

Solar cell and solar cell module

A solar cell, a manufacturing method therefor, and a photovoltaic module are provided. The solar cell includes a substrate having a front surface and a rear surface, a passivation stack disposed on the front surface, and a tunneling oxide layer and a doped conductive layer disposed on the rear surface. The passivation stack includes an oxygen-containing dielectric layer, a first passivation layer and a second passivation layer. The first passivation layer includes a first interface adjacent to the oxygen-containing dielectric layer and a second interface adjacent to the second passivation layer, the second passivation layer includes a third interface opposite to the second interface, a nitrogen content and a silicon content at the second interface are higher than those at the first interface and the third interface, respectively, and an oxygen content at the second interface is lower than that at the first interface and the third interface, respectively.

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

Solar cell, method for producing same and solar cell module

Provided are a solar cell and a photovoltaic module. The solar cell includes: a silicon substrate; a passivation layer provided on a surface of the silicon substrate; a first electrode conductor at least partially arranged on the passivation layer and including a body portion and protruding portions located on two ends of the body portion; and a second electrode conductor at least partially arranged on the passivation layer and at least partially overlapping with the protruding portions. A length of each of the protruding portions in a width direction of the body portion is greater than a width of the body portion.

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Zhejiang, China

Jialei Chai