JP2021132233A5

JP2021132233A5 -

Info

Publication number: JP2021132233A5
Application number: JP2021091818A
Authority: JP
Filing date: 2021-05-31
Publication date: 2021-12-09

Description

実施形態の太陽電池モジュールは、複数の第１太陽電池セルを含んだ複数の第１サブモジュールを有する第１太陽電池パネルと、第１太陽電池パネルと積層し、複数の第２太陽電池セルを含んだ複数の第２サブモジュールを有する第２太陽電池パネルを有し、第１太陽電池パネルは、光入射側に存在し、第１太陽電池パネルと第２太陽電池パネルは電気的に並列に接続し、複数の第１サブモジュールは、バスバーで電気的に接続され、複数の第２サブモジュールは、バスバーで電気的に接続され、第１太陽電池パネルは、１系統の電力出力端子を有し、第２太陽電池パネルは、１系統の電力出力端子を有する。複数の第２太陽電池セルは、結晶Ｓｉ、多結晶Ｓｉ又はペロブスカイト型化合物を用いた光吸収層を有する。 In the solar cell module of the embodiment, a first solar cell panel having a plurality of first submodules including a plurality of first solar cell cells and a first solar cell panel are laminated to form a plurality of second solar cell cells. It has a second solar cell panel having a plurality of second submodules including, the first solar cell panel exists on the light incident side, and the first solar cell panel and the second solar cell panel are electrically connected in parallel . Connected, the plurality of first submodules are electrically connected by a bus bar, the plurality of second submodules are electrically connected by a bus bar, and the first solar cell panel has one power output terminal. However, the second solar cell panel has one power output terminal. The plurality of second solar cells have a light absorption layer using crystalline Si, polycrystalline Si, or a perovskite type compound.

Claims

A first solar cell panel having a plurality of first submodules including a plurality of first solar cell cells,
It has a second solar cell panel that is laminated with the first solar cell panel and has a plurality of second submodules including a plurality of second solar cell cells.
The first solar cell panel exists on the light incident side and is present.
The first solar cell panel and the second solar cell panel are electrically connected in parallel , and the first solar cell panel and the second solar cell panel are electrically connected in parallel.
The plurality of first submodules are electrically connected by a bus bar.
The plurality of second submodules are electrically connected by a bus bar.
The first solar cell panel has one power output terminal.
The second solar cell panel has one power output terminal.
The plurality of second solar cell cells are solar cell modules having a light absorption layer using crystalline Si, polycrystalline Si, or a perovskite type compound.

The solar cell module according to claim 1, wherein the power output terminal of the first solar cell panel and the power output terminal of the second solar cell panel are electrically connected to each other.

The solar cell module according to claim 1 or 2, wherein the difference between the output voltages of the first solar cell panel and the second solar cell panel is 2.0 V or less.

The plurality of first solar cells according to any one of claims 1 to 3, wherein one or more of a compound semiconductor, a perovskite type compound, an oxide transparent semiconductor and amorphous silicon is used for the light absorption layer. The listed solar cell module.

The solar cell according to any one of claims 1 to 4, wherein the band gap of the light absorption layer of the plurality of second solar cells is a narrower band gap than the light absorption layer of the plurality of first solar cells. module.

The solar cell module according to any one of claims 1 to 5, wherein the plurality of first solar cell cells use a perovskite type compound or an oxide transparent semiconductor as a light absorption layer.

It said plurality of first solar _{_{cell, CH 3 NH 3 PbX 3 (}} X is at least one or more halogens) a perovskite-type compound represented by claims 1 was used in the light-absorbing layer any one of the 5 The solar cell module described in.

The solar cell module according to any one of claims 1 to 5, wherein the plurality of first solar cell cells use Cu _{2 O as a light absorption layer.}

A photovoltaic power generation system using the solar cell module according to any one of claims 1 to 8.