Byd Company Limited

Zhanfeng Jiang

Long He

Chuanfu Wang

Zhen Liu

Xiang Sun

Zhiqiang Zhao

Shencun Wang

Shengya Wang

Ye Tian

Yong Chao Zhou

Junqing Dong

Huiquan Liu

Gang Hu

Wenyu Cao

ChaQing Xu

Yong Zhou

Beijun Zhong

WenQiang Xia

Qiang Rong

Yunjiang Yao

Meihong Sun

Liguo Wang

Bei Fan

Weihua Tan

The disclosure discloses a photovoltaic cell assembly, a photovoltaic cell array, and a solar cell assembly. The photovoltaic cell assembly includes: a plurality of photovoltaic cells arranged sequentially along a longitudinal direction, and at least one conductive band, where each photovoltaic cell includes a silicon wafer, a front conductive member disposed on a front surface of the silicon wafer, two electrodes disposed on a back surface of the silicon wafer, and a side conductive member that is disposed on a side surface of the silicon wafer and that is electrically connected between the front conductive member and one electrode, where the two electrodes extend along a transverse direction and are distributed at an interval in the longitudinal direction; and the conductive band has an extension direction the same as that of the electrode, and is electrically connected to two electrodes that are close to each other and that are respectively located on two neighboring photovoltaic cells, so that the two neighboring photovoltaic cells are connected in series or connected in parallel.

Photovoltaic cell assembly, photovoltaic cell array, and solar cell assembly

A solar cell array comprises a plurality of cells, adjacent cells connected by a metal wire. At least one metal wire extends reciprocally between a surface of a first cell and a surface of a second cell adjacent to the first cell to form a plurality of conductive wires. The number of the conductive wires is n, y&#x2212;y&#xd7;20%&#x2264;n&#x2264;y+y&#xd7;20%, in which n is an integer and y=4.0533X/156*A*B, in which X is a diameter value of the metal wire with mm as a unit, 0.1&#x2264;X&#x2264;0.5, A and B representing length and width of the cell with mm as the unit. The cells comprise secondary grid lines disposed on front surfaces thereof. The conductive wires are welded with the secondary grid lines by a welding layer.

Solar cell array, solar cell module and manufacturing method thereof

A solar cell unit comprises a cell. The cell includes a cell substrate and a secondary grid line disposed on a front surface of the cell substrate. The solar cell unit also comprises a conductive wire intersecting and welded with the secondary grid line. The secondary grid line has a width in a welding position with the conductive wire greater than a width thereof in a non-welding position.

Solar cell unit, solar cell array, solar cell module and manufacturing method thereof

A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The secondary grid line comprises a welding portion. At least one welding portion of the edge secondary grid line has a projection area in the cell substrate larger than a welding portion of the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other and welded with the secondary grid lines in the welding portion.

A double-glass photovoltaic cell module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second encapsulation layer, and a second glass layer that are sequentially disposed in a laminated manner, where outer edges of the first glass layer and the second glass layer exceed an outer edge of the cell group layer; a reflecting coating provided on the second glass layer; an end part sealing block, disposed between the first glass layer and the second glass layer, and located at peripheries of the first encapsulation layer, the cell group layer, and the second encapsulation layer; a frame, encapsulated at a periphery of the body and having a notch; and a connection box, disposed at the notch.

Double-glass photovoltaic cell module

A double-glass photovoltaic module includes: a body, where the body includes a first glass layer, a first encapsulation layer, a cell group layer, a second encapsulation layer, and a second glass layer that are sequentially disposed in a laminated manner, the cell group layer extracts a current by using a bus bar, and the bus bar is led out between the first glass layer and the second glass layer and from an edge of the body; a frame, encapsulated at a periphery of the body by a sealant and having a notch; and a connection box, disposed at the notch, and sealed and connected to the body the frame, and the bus bar is electrically connected to the connection box.

Double-glass photovoltaic module

A solar cell unit comprises a cell. The cell includes a cell substrate and a plurality of secondary grid lines disposed on a front surface of the cell substrate. The secondary grid lines comprises an edge secondary grid line adjacent to an edge of the cell substrate and a middle secondary grid line disposed inside of the edge secondary grid line. The at least one edge secondary grid line has a width greater than the middle secondary grid line. The solar cell unit also comprises a plurality of conductive wires spaced apart from each other. The plurality of conductive wires intersects and is connected with the secondary grid lines.

A photovoltaic cell module includes: a transparent upper cover plate, a first polyolefin encapsulation layer, a cell group layer, a second polyolefin encapsulation layer, and a backplane that are sequentially disposed in a laminated manner, where outer edges of the transparent upper cover plate and the backplane exceed outer edges of the first polyolefin encapsulation layer, the cell group layer, and the second polyolefin encapsulation layer, an end part sealing block is further disposed between the transparent upper cover plate and the backplane, and the end part sealing block is located at peripheries of the first polyolefin encapsulation layer, the cell group layer, and the second polyolefin encapsulation layer.

Photovoltaic cell module

The present invention discloses a method and a device for preparing a compound semiconductor film. The method comprises the steps of: providing a substrate above at least an evaporation source in a vacuum condition; heating a source material contained in the evaporation source so that the source material is vapor-deposited on the substrate; and taking out the substrate under protection of an inert gas. The substrate may be rotated around an axis of a plane where the evaporation source is positioned, and the substrate is tilted by a predetermined angle with respect to the plane. The compound semi-conductive film thus prepared has a uniform thickness with a larger area. The method provides a simplified process and enhanced efficiency.

Method and device for preparing compound semiconductor film

Transition metal hydroxide and oxide, method of producing the same, and cathode material containing the same are disclosed. One method includes coupling an alkaline solution to a transition metal salt solution under an inert gas atmosphere, whereby the alkaline solution includes an additive. A transition metal oxide may be prepared by heating the transition metal hydroxide under an oxygen gas atmosphere. Cathode materials for lithium-ion batteries may be prepared incorporating the transition metal hydroxide and oxide embodiments disclosed herein.

Transition metal hydroxide and oxide, method of producing the same, and cathode material containting the same

A battery cathode including a current collector and a cathode material coated on and/or filled in the current collector, said cathode material including a cathode active substance, a conductive additive and an adhesive, wherein said cathode material is coated with a layer of lithium cobaltate on the surface thereof and the content of lithium cobaltate is 0.1-15 wt % (weight percent) based on the weight of the cathode active substance. The lithium ion battery using the cathode provided by the present invention has a higher specific capacity and improved cycling performance.

Battery cathode, a lithium ion battery using the same and processes for preparation thereof

Active materials for positive electrodes of rechargeable batteries and the methods of fabrication for the active materials as well as positive electrodes thereof are provided, where the active material comprises of a mixture of two components, A and B. A are compounds of lithium nickel cobalt metal oxide while B are oxides of lithium cobalt. In a preferred embodiment, a formula for the compounds of lithium nickel metal oxide, A, is LiNiCoMOwhere 0.97&#x2266;a&#x2266;1.05, 0.01&#x2266;b&#x2266;0.30, 0&#x2266;c&#x2266;0.10, and M is one or more of the following: manganese, aluminum, titanium, chromium, magnesium, calcium, vanadium, iron, and zirconium. The weight ratio of A:B is between 20:80 and 80:20.

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Shenzhen, China

Zhanfeng Jiang