Patents by Inventor Jiebin Fang

Jiebin Fang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11024753
    Abstract: A PERC solar cell capable of improving photoelectric conversion efficiency and a preparation method thereof are provided. The solar cell consecutively includes, from the bottom up, a rear silver electrode (1), a rear aluminum field (2), a rear silicon nitride film (3), a rear aluminum oxide film (4), P-type silicon (5), N-type silicon (6), a front silicon nitride film (7), and a front silver electrode (8). The rear aluminum field (2) is connected to the P-type silicon (5) via a rear aluminum strip (10). The P-type silicon (5) is a silicon wafer of the cell. The N-type silicon (6) is an N-type emitter formed by diffusion via the front surface of the silicon wafer. The front silicon nitride film (7) is deposited on the front surface of the silicon wafer. The rear aluminum oxide film (4) is deposited on the rear surface of the silicon wafer.
    Type: Grant
    Filed: June 24, 2017
    Date of Patent: June 1, 2021
    Assignees: Guangdong Aiko Solar Energy Technology Co., Ltd., Zhejiang Aiko Solar Energy Technology Co., Ltd.
    Inventors: Chun-Wen Lai, Jiebin Fang, Gang Chen
  • Publication number: 20210111295
    Abstract: The present invention discloses a tubular PECVD device for bifacial PERC solar cell. The present invention bifacial PERC solar cell has high photoelectric conversion efficiency, high appearance quality, and high EL yield, and could solve the problems of both scratching and undesirable deposition.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Nailin He, Wenjie Yin, Ta-Neng Ho, Gang Chen
  • Patent number: 10964828
    Abstract: Provided are a bifacial P-type PERC solar cell, preparation method, module and system.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: March 30, 2021
    Assignees: Guangdong Aiko Solar Energy Technology Co., Ltd., Zhejiang Aiko Solar Energy Technology Co., Ltd.
    Inventors: Kang-Cheng Lin, Jiebin Fang, Gang Chen
  • Publication number: 20200381571
    Abstract: A bifacial P-type PERC solar cell beneficial to sunlight absorption and a preparation method therefor are provided. The solar cell includes consecutively, from the bottom up, a rear electrode (1), a rear silicon nitride film (3), a rear alumina film (4), a P-type silicon (5), an N-type silicon (6), a front silicon nitride film (7) and a front silver electrode (8), wherein a front surface of the P-type silicon is provided with a plurality of parallel grooves (10) which are exposed to the front silicon nitride film. A length direction of a groove of the grooves is parallel to a front silver busbar electrode (81), and an inner surface of the groove is a textured surface which can receive sunlight incident from different directions and capture the sunlight through multiple reflections and incidences inside the groove.
    Type: Application
    Filed: June 24, 2017
    Publication date: December 3, 2020
    Inventors: Kang-Cheng LIN, Jiebin FANG, Gang CHEN
  • Publication number: 20200381572
    Abstract: A bifacial punched PERC solar cell comprises a rear silver busbar (1), a rear aluminum finger (2), a rear passivation layer (3), a P-type silicon (4), an N-type emitter (5), a front passivation layer (6), a front silver finger (7), and a front silver busbar (8), a laser grooving region (9) is formed in the rear passivation layer by laser grooving; the rear aluminum finger line is connected to the P-type silicon via the laser grooving region, the bifacial PERC solar cell is provided with a light transmitting region (10) penetrating front and rear surfaces of the cell. A method of preparing a bifacial punched PERC solar cell and a module and a system employing the solar cell are also provided. The solar cell can be employed to increase back reflection for sunlight and significantly improve photoelectric conversion efficiency at the rear side of the cell.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 3, 2020
    Inventors: Jiebin FANG, Ta-neng HO, Gang CHEN
  • Patent number: 10763377
    Abstract: The present invention discloses a bifacial P-type PERC solar cell, which consecutively comprises a rear silver electrode, a rear aluminum grid, a rear passivation layer, P-type silicon, an N-type emitter, a front silicon nitride film, and a front silver electrode, wherein the rear silver electrode intersects with the rear aluminum grid line by a first predetermined angle, the first predetermined angle being greater than 10 degrees and smaller than 90 degrees; the rear passivation layer is grooved with laser to form a first laser grooving region, which is disposed below the rear aluminum grid line; the rear aluminum grid line is connected to the P-type silicon via the first laser grooving region and is provided at its periphery with an outer aluminum grid frame, the outer aluminum grid frame being connected to the rear aluminum grid line and the rear silver electrode. The present invention is simple in structure, low in cost, easy to popularize, and has high photoelectric conversion efficiency.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: September 1, 2020
    Assignees: Guangdong Aiko Solar Energy Technology Co., Ltd., Zhejiang Aiko Solar Energy Technology Co., Ltd.
    Inventors: Kang-Cheng Lin, Jiebin Fang, Gang Chen
  • Publication number: 20200212242
    Abstract: A monofacial tube-type PERC solar cell includes a rear silver busbar (1), an all-aluminum rear electric field (2), a rear composite film (3), P-type silicon (5), an N-type emitter (6), a front passivation film (7), and a front silver electrode (8). The rear composite film (3) includes one or more of an aluminum oxide film, a silicon dioxide film, a silicon oxynitride film, and a silicon nitride film, and is deposited on a rear surface of a silicon wafer by a tubular PECVD device. The tubular PECVD device includes four gas lines of silane, ammonia, trimethyl aluminum, and nitrous oxide. Such monofacial tube-type PERC solar cell has advantages of high photoelectric conversion efficiency, high appearance quality and high electroluminescence yield, and solves the problems of scratching and undesirable coating due to the process.
    Type: Application
    Filed: May 25, 2017
    Publication date: July 2, 2020
    Inventors: Jiebin FANG, Kang-Cheng LIN, Chun-Wen LAI, Nailin HE, Wenjie YIN, Ta-neng HO, Gang CHEN
  • Publication number: 20200199746
    Abstract: A coating device for a tube-type PERC solar cell includes a wafer loading area, a furnace body, a gas cabinet, a vacuum system, a heating system, a control system and a graphite boat, wherein the gas cabinet is provided with a first gas line for feeding silane, a second gas line for feeding ammonia, a third gas line for feeding trimethylaluminum, a fourth gas line for feeding nitrous oxide, and a fifth gas line for feeding methane. The graphite boat is employed for loading and unloading a silicon wafer. Pre-processing is performed to the graphite boat before use or after several coating, wherein the pre-processing includes: baking the graphite boat and coating at least one layer of silicon carbide film on a surface of the baked graphite boat. The present application also discloses a coating method for a tube-type PERC solar cell.
    Type: Application
    Filed: June 7, 2017
    Publication date: June 25, 2020
    Inventors: Kang-Cheng LIN, Jiebin FANG, Chun-Wen LAI, Ta-neng HO, Gang CHEN
  • Publication number: 20200127149
    Abstract: A bifacial P-type PERC solar cell consecutively comprises a rear silver electrode (1), rear aluminum grid (2), a rear passivation layer (3), P-type silicon (4), an N-type emitter (5), a front silicon nitride film (6), and a front silver electrode (7); a first laser grooving region (8) is formed in the rear passivation layer by laser grooving; the first laser grooving region is disposed below the rear aluminum grid lines, the rear aluminum grid lines are connected to the P-type silicon via the first laser grooving region, an outer aluminum grid frame (9) is disposed at periphery of the rear aluminum grid lines, and the outer aluminum grid frame is connected with the rear aluminum grid lines and the rear silver electrode; the first laser grooving region includes a plurality of groups of first laser grooving units (81) arranged horizontally, each group of first laser grooving units includes one or more first laser grooving bodies (82) arranged horizontally, and the rear aluminum grid lines are perpendicular to t
    Type: Application
    Filed: February 28, 2018
    Publication date: April 23, 2020
    Applicants: Guangdong Aiko Solar Energy Technology Co., Ltd., Zhejiang Aiko Solar Energy Technology Co., Ltd.
    Inventors: Kang-Cheng LIN, Jiebin FANG, Gang CHEN
  • Publication number: 20200119208
    Abstract: Provided are a bifacial P-type PERC solar cell, preparation method, module and system.
    Type: Application
    Filed: February 28, 2018
    Publication date: April 16, 2020
    Inventors: Kang-Cheng LIN, Jiebin FANG, Gang CHEN
  • Publication number: 20200075782
    Abstract: A PERC solar cell capable of improving photoelectric conversion efficiency and a preparation method thereof are provided. The solar cell consecutively includes, from the bottom up, a rear silver electrode (1), a rear aluminum field (2), a rear silicon nitride film (3), a rear aluminum oxide film (4), P-type silicon (5), N-type silicon (6), a front silicon nitride film (7), and a front silver electrode (8). The rear aluminum field (2) is connected to the P-type silicon (5) via a rear aluminum strip (10). The P-type silicon (5) is a silicon wafer of the cell. The N-type silicon (6) is an N-type emitter formed by diffusion via the front surface of the silicon wafer. The front silicon nitride film (7) is deposited on the front surface of the silicon wafer. The rear aluminum oxide film (4) is deposited on the rear surface of the silicon wafer.
    Type: Application
    Filed: June 24, 2017
    Publication date: March 5, 2020
    Inventors: Chun-Wen LAI, Jiebin FANG, Gang CHEN
  • Publication number: 20200058817
    Abstract: The present invention discloses a bifacial tube-type PERC solar cell, which comprises a rear silver major grid line, a rear aluminum grid line, a rear surface composite film, P-type silicon, an N-type emitter, a front surface silicon nitride film, and a front silver electrode. The present invention also discloses a method and a device for preparing a bifacial tube-type PERC solar cell. The present invention absorbs sunlight on both surfaces, has high photoelectric conversion efficiency, high appearance quality, and high EL yield, and could solve the problems of both scratching and undesirable deposition.
    Type: Application
    Filed: May 25, 2017
    Publication date: February 20, 2020
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Nailin He, Wenjie Yin, Ta-Neng Ho, Gang Chen
  • Publication number: 20200013909
    Abstract: The present invention discloses a bifacial P-type PERC solar cell, which consecutively comprises a rear silver electrode, a rear aluminum grid, a rear passivation layer, P-type silicon, an N-type emitter, a front silicon nitride film, and a front silver electrode, wherein the rear silver electrode intersects with the rear aluminum grid line by a first predetermined angle, the first predetermined angle being greater than 10 degrees and smaller than 90 degrees; the rear passivation layer is grooved with laser to form a first laser grooving region, which is disposed below the rear aluminum grid line; the rear aluminum grid line is connected to the P-type silicon via the first laser grooving region and is provided at its periphery with an outer aluminum grid frame, the outer aluminum grid frame being connected to the rear aluminum grid line and the rear silver electrode. The present invention is simple in structure, low in cost, easy to popularize, and has high photoelectric conversion efficiency.
    Type: Application
    Filed: February 28, 2018
    Publication date: January 9, 2020
    Inventors: Kang-Cheng LIN, Jiebin FANG, Gang CHEN
  • Publication number: 20190259887
    Abstract: The present invention discloses a bifacial P-type PERC solar cell, which consecutively comprises a rear silver electrode, rear aluminum grid lines, a rear surface passivation layer, a P-type silicon, an N-type emitter, a front surface silicon nitride film, and a front silver electrode; a laser grooving region is formed at the rear surface passivation layer by laser grooving; the rear aluminum grid lines are connected to the P-type silicon via the laser grooving region; the laser grooving region includes a plurality of sets of laser grooving units arranged horizontally; each of the sets of laser grooving units includes one or more laser grooving bodies arranged horizontally; the rear aluminum grid lines are perpendicular to the laser grooving bodies. The present invention is simple in structure, low in cost, widely applicable, and has a high photoelectric conversion efficiency.
    Type: Application
    Filed: June 7, 2017
    Publication date: August 22, 2019
    Applicants: Guangdong Aiko Solar Energy Technology Co., Ltd., ZHEJIANG AIKO SOLAR ENERGY TECHNOLOGY CO., LTD.
    Inventors: Kang-Cheng Lin, Jiebin Fang, Gang Chen
  • Patent number: D830962
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: October 16, 2018
    Assignees: GUANGDONG AIKO SOLAR ENERGY TECHNOLOGY CO., LTD., ZHEJIANG AIKO SOLAR ENERGY TECHNOLOGY CO., LTD.
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Ta-Neng Ho, Gang Chen
  • Patent number: D830963
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: October 16, 2018
    Assignees: GUANGDONG AIKO SOLAR ENERGY TECHNOLOGY CO., LTD., ZHEJIANG AIKO SOLAR ENERGY TECHNOLOGY CO., LTD.
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Ta-Neng Ho, Gang Chen
  • Patent number: D837729
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 8, 2019
    Assignee: Guangdong Aiko Solar Energy Technology Co., Ltd.
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Ta-Neng Ho, Gang Chen
  • Patent number: D846490
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 23, 2019
    Assignees: Guangdong Aiko Solar Energy Technology Co., Ltd., Zhejiang Aiko Solar Energy Technology Co., Ltd.
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Ta-Neng Ho, Gang Chen
  • Patent number: D846491
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 23, 2019
    Assignees: Guangdong Aiko Solar Energy Technology Co., Ltd., Zhejiang Aiko Solar Energy Technology Co., Ltd.
    Inventors: Jiebin Fang, Kang-Cheng Lin, Chun-Wen Lai, Ta-Neng Ho, Gang Chen