Lg Electronics Inc.

Shangrao Xinyuan Yuedong Technology Development Co. Ltd.

Chungyi Kim

Junghoon Choi

Youngsung Yang

Jaewoo Choi

Hyungjin Kwon

Joohyun Koh

Ilhyoung Jung

Minpyo Kim

Jeongbeom Nam

Mihee Heo

A solar cell includes a first photoelectric conversion part, a second photoelectric conversion part, a side insulating layer, a first electrode, and a second electrode. The first photoelectric conversion part includes a photoelectric conversion layer composed of a perovskite compound, a first transport layer on one side of the photoelectric conversion layer, and a second transport layer on the other side of the photoelectric conversion layer. The second photoelectric conversion part is arranged below the second transport layer and has a different material or structure from the first photoelectric conversion part. The side insulating layer is formed as a side surface surrounding the first photoelectric conversion part. The first electrode is electrically connected to the first photoelectric conversion part on one surface of the first photoelectric conversion part serving as a light-receiving surface. The second electrode is electrically connected to a bottom of the second photoelectric conversion part.

Solar cell, method for manufacturing the same, and solar cell module comprising the same

A solar cell panel can include a solar cell; a sealing member for sealing the solar cell; a first cover member disposed on the sealing member at one side of the solar cell; and a second cover member disposed on the sealing member at another side of the solar cell, in which the first cover member includes a base member and a colored portion having a light transmittance lower than a light transmittance of the base member, the first cover member constituting a colored area, and the colored portion includes at least two layers each formed of an oxide ceramic composition and having different colors or different light transmittances.

Solar cell panel

A solar cell includes a semiconductor substrate; a conductive region on or at the semiconductor substrate; an electrode electrically connected to the conductive region; and a silicon oxynitride layer on a light incident surface of the semiconductor substrate, wherein the silicon oxynitride layer comprises a first phase region having a first oxygen content and a first nitrogen content; a second phase region having a second oxygen content higher than the first oxygen content and a second nitrogen content lower than the first nitrogen content; and a third phase region having a third oxygen content lower than the second oxygen content and a third nitrogen content lower than the second nitrogen content.

Solar cell

A solar cell panel includes a solar cell; a sealing member for sealing the solar cell; a first cover member positioned at a first surface of the solar cell on a first side of the sealing member; and a second cover member positioned at a second surface of the solar cell on a second side of the sealing member. The first cover member includes a base member and a colored portion having a lower light transmittance than the base member and partially formed on the base member to form a colored region. The second cover member includes a cover portion having a lower brightness than the colored portion and positioned at least an inactive region where the solar cell is not positioned.

Disclosed is a solar cell including a control passivation film on one surface of a semiconductor substrate, and being formed of a dielectric material; and a semiconductor layer on the control passivation film, wherein the semiconductor layer including a first conductive region having a first conductive type and a second conductive region having a second conductive type opposite to the first conductive type. The semiconductor substrate includes a diffusion region including at least one of a first diffusion region and a second diffusion region adjacent to the control passivation film, wherein the first diffusion region being locally formed to correspond to the first conductive region and having a doping concentration lower than a doping concentration of the first conductive region, wherein the second diffusion region being locally formed to correspond to the second conductive region and having a doping concentration lower than a doping concentration of the second conductive region.

Solar cell and method for manufacturing the same

A method of manufacturing a solar cell is disclosed. The method includes an overlap operation of overlapping front surfaces of two semiconductor substrates each other, a semiconductor layer depositing operation of simultaneously depositing a semiconductor layer on back surfaces of the two semiconductor substrates overlapping each other, a separating operation of separating the two semiconductor substrates overlapping each other, and a front surface texturing operation of texturing the front surfaces of the two semiconductor substrates after an etch stop layer forming operation.

Method of manufacturing solar cell

Disclosed is a solar cell including: a semiconductor substrate; a conductive region on or at the semiconductor substrate; an electrode electrically connected to the conductive region; and a passivation layer on a light incident surface of the semiconductor substrate. The passivation layer includes a first layer in contact with the light incident surface of the semiconductor substrate and formed of silicon oxynitride for ultraviolet stability. The first layer includes a plurality of phases of the silicon oxynitride, and the plurality of phases are formed of the silicon oxynitride having different compositions.

A method of manufacturing a solar cell, the method includes forming a protective film over a semiconductor substrate, the semiconductor substrate including a base area of a first conductive type and formed of crystalline silicon, wherein the forming of the protective film includes a heat treatment process performed at a heat treatment temperature of approximately 600 degrees Celsius or more under a gas atmosphere including nitrogen, and wherein the heat treatment process includes: a main section, during which the heat treatment temperature is maintained, a temperature increase section before the main section, during which an increase in temperature occurs from an introduction temperature to the heat treatment temperature, and a temperature reduction section after the main section, during which a decrease in temperature occurs from the heat treatment temperature to a discharge temperature.

A solar cell is discussed, and the solar cell includes: a semiconductor substrate; a tunneling layer on a surface of the semiconductor substrate; a buffer layer on the tunneling layer, wherein the buffer layer is a separate layer from the tunneling layer and includes an intrinsic buffer portion, and wherein at least one of a material, a composition and a crystalline structure of the buffer layer is different from those of the tunneling layer; a conductive type region on the tunneling layer, and including a first conductive type region having a first conductive type and a second conductive type region having a second conductive type; and an electrode connected to the conductive type region. The buffer layer is positioned adjacent to the tunneling layer and is apart from the electrode.

Disclosed is a method of manufacturing a solar cell. The method includes forming a protective film using an insulation film over a semiconductor substrate, the semiconductor substrate including a base area of a first conductive type and formed of crystalline silicon. The forming of the protective film includes a heat treatment process performed at a heat treatment temperature of 600 degrees Celsius or more under a gas atmosphere including a halogen gas, which has a halogen element.

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Seoul, South Korea

Chungyi Kim