公开(公告)号：EP2889919A1

公开(公告)日：2015-07-01

申请号：EP13830458.9

申请日：2013-06-18

申请人： Nitto Denko Corporation

发明人： TERAJI Seiki ,  KAWAMURA Kazunori ,  NISHII Hiroto ,  WATANABE Taichi ,  YAMAMOTO Yusuke

IPC分类号： H01L31/04

CPC分类号： H01L31/0322 ,  H01L31/0749 ,  H01L31/18 ,  Y02E10/541 ,  Y02P70/521

摘要： A compound solar cell having a higher conversion efficiency and a method for producing the compound solar cell at lower costs are provided. The compound solar cell includes a CIGS light absorbing layer (3), a buffer layer (5) and a front side electrode layer (6) provided on a substrate (1). An interface layer (4) made of a mixed crystal compound having a composition represented by the following general formula (1) is provided between the CIGS light absorbing layer (3) and the buffer layer (5) : Zn(O x , S 1-x ) ... (1), wherein x is 0.9

摘要翻译： 提供了一种具有较高转换效率的复合太阳能电池以及以较低成本生产该复合太阳能电池的方法。 复合太阳能电池包括设置在基板（1）上的CIGS光吸收层（3），缓冲层（5）和前侧电极层（6）。 在CIGS光吸收层（3）和缓冲层（5）之间设置由具有以下通式（1）表示的组成的混合晶体化合物制成的界面层（4）：Zn（O x，S 1 -x）...（1），其中x为0.9

公开(公告)号：EP2804221A1

公开(公告)日：2014-11-19

申请号：EP13755506.6

申请日：2013-02-25

申请人： Nitto Denko Corporation

发明人： TERAJI Seiki ,  KAWAMURA Kazunori ,  NISHII Hiroto ,  WATANABE Taichi

IPC分类号： H01L31/04

CPC分类号： H01L31/02167 ,  H01L31/022466 ,  H01L31/0322 ,  H01L31/0328 ,  H01L31/03923 ,  H01L31/0749 ,  Y02E10/541

摘要： In order to provide a CIGS compound solar cell with a high conversion efficiency, a CIGS compound solar cell including a rear electrode layer 2, a CIGS light absorbing layer 3, a buffer layer 4, and a transparent electrode layer 5 in this order over a substrate 1 is configured such that the buffer layer 4 comprises a mixed crystal of a Group IIa metal and zinc oxide, and characteristics of the mixed crystal as shown by X-ray diffraction satisfy the following formula (1): 0.5 ≤ A / A + B + C 1 (where none of A, B, C are 0)
A: peak intensity at plane (002)
B: peak intensity at plane (100)
C: peak intensity at plane (101).

摘要翻译： 为了提供具有高转换效率的CIGS复合太阳能电池，CIGS复合太阳能电池依次包括后电极层2，CIGS光吸收层3，缓冲层4和透明电极层5 衬底1被构造成使得缓冲层4包括IIa族金属和氧化锌的混合晶体，并且如X射线衍射所示的混合晶体的特性满足下式（1）：0.5‰¤A/ A + B + C <1（其中A，B，C不为0）A：平面处的峰强度（002）B：平面处的峰强度（100）C：平面处的峰强度（101）。

公开(公告)号：EP2808904A1

公开(公告)日：2014-12-03

申请号：EP13754351.8

申请日：2013-02-25

申请人： Nitto Denko Corporation

发明人： TERAJI Seiki ,  KAWAMURA Kazunori ,  NISHII Hiroto ,  WATANABE Taichi

IPC分类号： H01L31/04 ,  C23C14/34

CPC分类号： H01L31/18 ,  C23C14/0623 ,  C23C14/081 ,  C23C14/086 ,  C23C14/3464 ,  C23C28/322 ,  C23C28/34 ,  C23C28/345 ,  H01J37/34 ,  H01J37/3417 ,  H01L31/0322 ,  H01L31/1884 ,  Y02E10/541 ,  Y02E10/549 ,  Y02P70/521

摘要： In order to provide a method that can manufacture a compound solar cell with a high conversion efficiency at low cost, a buffer layer is formed by a sputtering method with the use of a high-frequency RF power source or a high-frequency RF power source and a direct-current (DC) power source in combination, while two cathode targets 6, 6' for sputtering are arranged to be opposed to each other on both sides of an imaginary central axis x assumed to extend perpendicularly from a surface of a substrate 1 over with a CIGS light absorbing layer 3 is stacked.

摘要翻译： 为了提供可以以低成本制造具有高转换效率的复合太阳能电池的方法，通过使用高频RF电源或高频RF电源的溅射法形成缓冲层 和直流（DC）电源组合，而用于溅射的两个阴极靶6,6'被布置成在假设中心轴线x的两侧彼此相对，假设中心轴线X从衬底的表面垂直延伸 层叠有CIGS光吸收层3。

公开(公告)号：EP2768028A1

公开(公告)日：2014-08-20

申请号：EP12840555.2

申请日：2012-08-24

申请人： Nitto Denko Corporation

发明人： WATANABE Taichi ,  TERAJI Seiki ,  KAWAMURA Kazunori ,  NISHII Hiroto ,  MORITA Shigenori

IPC分类号： H01L31/04 ,  B26D1/08 ,  B26D3/06

CPC分类号： H01L31/042 ,  B26D1/08 ,  B26D3/06 ,  B26F3/002 ,  H01L31/03926 ,  H01L31/0463 ,  H01L31/0504 ,  Y02E10/541 ,  Y02P70/521

摘要： A production method capable of efficiently producing a solar battery cell which hardly causes an electric short circuit at the cut end surface of a solar battery element is provided. A method for producing a solar battery cell of the present invention in which a solar battery cell is obtained from an elongated solar battery element 11 including an elongated flexible base material 41, a first electrode layer 211, a light absorbing layer 31, and a second electrode layer 221 in this order, and the method includes a partial removal step of forming one or more partial removal portion 61 each extending like a belt at a plurality of parts in the surface of the solar battery element 11 by partially removing layers of the second electrode layer 221 through to the light absorbing layer 31 or the second electrode layer 221 through to the first electrode layer 211, and a cutting step of cutting the solar battery element 11 at the partial removal portion 61.

摘要翻译： 提供一种能够有效地制造在太阳能电池元件的切断端面处难以引起电短路的太阳能电池单元的制造方法。 一种太阳能电池单元的制造方法，其特征在于，由太阳能电池单元11构成，所述太阳能电池单元由细长的柔性基材41，第1电极层211，光吸收层31和第2 电极层221，并且该方法包括部分去除步骤，通过部分去除第二层的层，形成一个或多个部分去除部分61，该部分去除部分61在太阳能电池元件11的表面中的多个部分处以带状延伸 电极层221通过到光吸收层31或第二电极层221到第一电极层211，以及切割步骤，在部分去除部分61处切割太阳能电池元件11。