公开(公告)号：EP2826794A1

公开(公告)日：2015-01-21

申请号：EP13763775.7

申请日：2013-03-08

Applicant: Hitachi Chemical Company, Ltd.

Inventor： SAWAKI, Taku ,  OKANIWA, Kaoru ,  YAMASHITA, Takeshi

IPC: C08F2/44 ,  C09K11/08 ,  H01L31/04

CPC classification number: C09K11/7734 ,  C08F2/20 ,  C08F2/44 ,  C08F292/00 ,  C09K11/02 ,  C09K11/576 ,  C09K11/626 ,  C09K11/66 ,  C09K11/666 ,  C09K11/71 ,  C09K11/756 ,  C09K11/7738 ,  C09K11/7749 ,  C09K11/7771 ,  C09K11/7774 ,  C09K11/7787 ,  C09K11/7789 ,  C09K11/7794 ,  H01L31/055 ,  Y02E10/52 ,  Y10T428/2982 ,  C08F220/14 ,  C08F2220/1875 ,  C08F2222/1013 ,  C08F222/1006 ,  C08F220/18

Abstract: Inorganic phosphor-containing polymer particles that include an inorganic phosphor and a transparent material. The transparent material is preferably a vinyl resin that is a polymer of a vinyl compound. It is preferable that the vinyl compound includes 10% by mass or more of a vinyl compound having a viscosity (at 25°C) of from 5 mPa.s to 30 mPa.s, or includes at least one of a compound having a structure represented by the following Formula (I-1) or the following Formula (I-2). In Formulae (I-1) and (I-2), each of R 1 and R 2 independently represents a hydrogen atom or an alkyl group. R 1 and R 2 may be linked to each other to form a ring. The inorganic phosphor is preferably surface-modified with a surface treatment agent, more preferably surface-modified with a coupling agent, still more preferably surface-modified with a silicone oligomer having a reactive substituent.

Abstract translation: 无机含磷聚合物颗粒确实包括无机磷和透明材料。 该透明材料是优选的乙烯基树脂是确实的乙烯基化合物的聚合物。 优选所做的乙烯基化合物包括从5毫帕·秒的质量或更多的粘度的乙烯基化合物的10％（在25℃）至30毫帕·秒，或包括具有结构的至少一种化合物的一个 由下式（I-1）或下述式（I-2）表示。 在式（I-1）和（I-2）中，每个R 1和R 2各自独立地darstellt氢原子或烷基。 R 1和R 2可以连接到海誓山盟以形成环。 无机磷优选表面改性的表面处理剂，更优选为表面改性的用偶合剂，还更优选表面改性用具有反应性取代基的有机硅低聚物。

公开(公告)号：EP2495771A1

公开(公告)日：2012-09-05

申请号：EP10826598.4

申请日：2010-10-21

Applicant: Hitachi Chemical Company, Ltd.

Inventor： OKANIWA, Kaoru

IPC: H01L31/04

CPC classification number: H01L31/022425 ,  H01L31/068 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: Disclosed is a solar cell wherein generation of internal stress is reduced, thereby reducing crystal defects and recombination loss. Specifically disclosed is a solar cell having an antireflective film and an external lead-out electrode on the light-receiving side of a semiconductor substrate that is provided with a p-n junction, while comprising an electrode layer on the non-light-receiving side of the semiconductor substrate. The solar cell is characterized in that the electrode layer is in the form of a solid layer and has a thickness of not more than 5 µm. It is preferable that the electrode layer has a sheet resistance of not more than 1 × 10 -4 Ω/.

Abstract translation: 公开了一种其中产生内应力降低的太阳能电池，由此减少晶体缺陷和复合损失。 具体公开了一种太阳能电池，其在具有pn结的半导体基板的受光面上具有防反射膜和外部引出电极，同时包括在非受光侧的电极层 半导体衬底。 该太阳能电池的特征在于，电极层为固体层的形式，其厚度不大于5μm。 电极层的电阻优选为1×10 -4以下。

公开(公告)号：EP2086018A1

公开(公告)日：2009-08-05

申请号：EP07829468.3

申请日：2007-10-10

Applicant: Hitachi Chemical Company, Ltd.

Inventor： SHIMIZU, Takehiro ,  OKANIWA, Kaoru ,  FUKUSHIMA, Naoki

IPC: H01L31/042

CPC classification number: H01L31/0508 ,  H01L31/05 ,  H01L31/0512 ,  Y02E10/50 ,  Y10T156/10

Abstract: The method of connecting solar battery cells of the present invention is a method of connecting solar battery cells which are each provided with a front-face electrode on a front face thereof and a back-face electrode on a back face thereof, and comprises: a first process of preparing a wiring member including a strip-like conductive substrate and an adhesive layer provided on one face of the conductive substrate, and bonding the adhesive layer on one end portion of the wiring member with a front-face electrode or a back-face electrode of one solar battery cell; a second process of turning an other end portion of the wiring member having gone through the first process, around a central axis along a longitudinal direction thereof so that an adhesive layer surface of the other end portion is opposite in orientation to an adhesive layer surface of the one end portion; and a third process of bonding the adhesive layer of the other end portion of the wiring member having gone through the second process with an electrode of an other solar battery cell having an opposite polarity to the electrode of the one solar battery cell which has been bonded in the aforementioned first process.

Abstract translation: 本发明的太阳能电池单元的连接方法是将前面的前面电极和后面电极的背面电极分别连接的太阳能电池单元的连接方法，包括： 制备包括带状导电基底的布线构件和设置在导电基底的一个表面上的粘合剂层的第一种方法，并且将布线构件的一个端部上的粘合剂层与前面电极或背面电极接合， 一个太阳能电池单元的面电极; 使经过第一工序的配线部件的另一端部沿着其长度方向绕中心轴转动的第二工序，使得另一端部的粘合剂层表面的取向相对于粘接层表面的方向相反 一端部; 以及将通过第二工序的配线构件的另一端部的粘合层与具有相反极性的其他太阳能电池单元的电极与已经结合的一个太阳能电池单元的电极接合的第三工序 在上述第一过程中。

公开(公告)号：EP2642529A1

公开(公告)日：2013-09-25

申请号：EP11841741.9

申请日：2011-11-15

Applicant: Hitachi Chemical Company, Ltd.

Inventor： MACHII, Yoichi ,  YOSHIDA, Masato ,  NOJIRI, Takeshi ,  OKANIWA, Kaoru ,  IWAMURO, Mitsunori ,  ADACHI, Shuichiro ,  ORITA, Akihiro ,  SATO, Tetsuya ,  KIZAWA, Keiko

IPC: H01L31/04 ,  H01L21/225

CPC classification number: H01L31/186 ,  H01L21/2254 ,  H01L21/2255 ,  H01L31/068 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first p-type diffusion layer forming composition including a p-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second p-type diffusion layer forming composition which includes a p-type impurity-containing glass powder and a dispersion medium and in which a concentration of the p-type impurity is lower than that of the first p-type diffusion layer forming composition, where the first p-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first p-type diffusion layer forming composition and the second p-type diffusion layer forming composition are applied to form a p-type diffusion layer; and forming an electrode on the partial region.

Abstract translation: 该太阳能电池单元的制造方法包括：在半导体基板的一个表面侧的部分区域上涂布包含含p型杂质的玻璃粉末和分散介质的第一p型扩散层形成用组合物; 在所述半导体基板的表面上的至少除所述部分区域以外的区域涂布第二p型扩散层形成用组合物，所述第二p型扩散层形成用组合物含有含p型杂质的玻璃粉末和分散介质， p型杂质比应用第一p型扩散层形成用组合物时的第一p型扩散层形成用组合物的p型杂质低， 对形成有所述第一p型扩散层形成用组合物和所述第二p型扩散层形成用组合物的所述半导体基板进行热处理而形成p型扩散层的工序; 并在该部分区域上形成电极。

公开(公告)号：EP2650342A1

公开(公告)日：2013-10-16

申请号：EP11847410.5

申请日：2011-11-18

Applicant: Hitachi Chemical Company, Ltd.

Inventor： OKANIWA, Kaoru ,  YAMASHITA, Takeshi ,  SAWAKI, Taku

IPC: C09K11/06 ,  C08K5/00 ,  C08L33/06 ,  H01L31/042

CPC classification number: H01L31/02327 ,  B29C47/0004 ,  C08K7/16 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/182 ,  H01L31/0203 ,  H01L31/02322 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/52

Abstract: A spherical phosphor includes a fluorescent substance having a maximum excitation wavelength of 400 nm or longer; and a transparent material containing the fluorescent substance, in which, in an excitation spectrum, an excitation spectral intensity in a wavelength region of from 340 nm to 380 nm is 50% or higher of an excitation spectral intensity at a maximum excitation wavelength. A wavelength conversion-type photovoltaic cell sealing material includes a light-permeable resin composition layer that contains the spherical phosphor and a sealing resin.

Abstract translation: 球形磷光体包括具有400nm以上的最大激发波长的荧光物质; 并且在从340纳米至380的波长区域含有荧光物质，其中，在激发光谱在激发光谱强度的透明材料纳米处于最大激发波长的50％或激发光谱强度高。 一种波长转换型太阳能电池密封材料包括光透过性树脂组合物层包含球形做磷和密封树脂。

公开(公告)号：EP2642527A1

公开(公告)日：2013-09-25

申请号：EP11840740.2

申请日：2011-11-15

Applicant: Hitachi Chemical Company, Ltd.

Inventor： MACHII, Yoichi ,  YOSHIDA, Masato ,  NOJIRI, Takeshi ,  OKANIWA, Kaoru ,  IWAMURO, Mitsunori ,  ADACHI, Shuichirou ,  ORITA, Akihiro ,  SATO, Tetsuya ,  KIZAWA, Keiko

IPC: H01L31/04 ,  H01L21/225

CPC classification number: H01L31/068 ,  H01L21/2225 ,  H01L21/2254 ,  H01L21/2255 ,  H01L31/1804 ,  H01L31/186 ,  Y02E10/547 ,  Y02P70/521

Abstract: The method for producing a photovoltaic cell includes applying, on a partial region of one surface side of a semiconductor substrate, a first n-type diffusion layer forming composition including an n-type impurity-containing glass powder and a dispersion medium; applying, on at least a region other than the partial region on the surface of the semiconductor substrate, a second n-type diffusion layer forming composition which includes an n-type impurity-containing glass powder and a dispersion medium and in which a concentration of the n-type impurity is lower than that of the first n-type diffusion layer forming composition, where the first n-type diffusion layer forming composition is applied; heat-treating the semiconductor substrate on which the first n-type diffusion layer forming composition and the second n-type diffusion layer forming composition are applied to form an n-type diffusion layer; and forming an electrode on the partial region.

Abstract translation: 制造太阳能电池的方法包括在半导体衬底的一个表面侧的部分区域上施加包含n型杂质玻璃粉末和分散介质的第一n型扩散层形成组合物; 在所述半导体衬底的表面上的至少一部分区域上施加包含n型杂质玻璃粉末和分散介质的第二n型扩散层形成用组合物，其中， n型杂质比施加第一n型扩散层形成组合物的第一n型扩散层形成组合物低; 对其上施加有第一n型扩散层形成组合物和第二n型扩散层形成组合物的半导体衬底进行热处理以形成n型扩散层; 以及在所述部分区域上形成电极。

公开(公告)号：EP2579329A1

公开(公告)日：2013-04-10

申请号：EP11786650.9

申请日：2011-05-24

Applicant: Hitachi Chemical Company, Ltd.

Inventor： SAWAKI, Taku ,  OKANIWA, Kaoru ,  YAMASHITA, Takeshi

IPC: H01L31/042 ,  C09K3/10

CPC classification number: H01L31/02322 ,  C09K3/10 ,  C09K2200/062 ,  C09K2200/0622 ,  G02F1/35 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/52

Abstract: A wavelength conversion type photovoltaic cell sealing material according to the present invention includes a first sealing layer that contains no fluorescent substance and a second sealing layer that contains a fluorescent substance. This wavelength conversion type photovoltaic cell sealing material is used as one of the light transmissive layers of a photovoltaic cell module and is disposed at a light receiving surface side of a solar cell.

Abstract translation: 根据本发明的波长转换型光伏电池密封材料包括不含荧光物质的第一密封层和含有荧光物质的第二密封层。 该波长转换型光伏电池密封材料被用作太阳能电池模块的透光层之一，并且设置在太阳能电池的光接收表面侧。

公开(公告)号：EP2557600A1

公开(公告)日：2013-02-13

申请号：EP11766017.5

申请日：2011-04-08

Applicant: Hitachi Chemical Company, Ltd.

Inventor： OKANIWA, Kaoru ,  YAMASHITA, Takeshi ,  SAWAKI, Taku

IPC: H01L31/042 ,  C09K11/06

CPC classification number: G02B5/00 ,  C09K11/06 ,  H01L31/055 ,  Y02E10/52

Abstract: A wavelength-converting resin composition for a photovoltaic cell, comprising: a fluorescent substance having a maximum absorption wavelength in an absorbance spectrum of which being λ max (nm); resin particles; and a dispersion medium resin,
wherein a value of A 1 (λ), which is represented by the following Equation 1, at the maximum absorption wavelength λ max (nm) is 3.0×10 -4 (O. D. /µm) or less in a case in which:
an intensity of transmitted light that is obtained as a result of incident light having a light intensity of I 0 (λ) at a wavelength λ (nm) having passed through a resin film in a thickness direction of the resin film, the resin film being formed from the resin composition and having a thickness of t (µm), is defined as I (λ); and
an intensity of transmitted light that is obtained as a result of the incident light having passed through a reference resin film in a thickness direction of the reference resin film, the reference resin film being formed from a reference resin composition obtained by excluding the fluorescent substance and the resin particles from the resin composition, and having a thickness of t ref (µm), is defined as I ref (λ). A 1 λ = log I 0 λ / I λ / t - log I 0 λ / I λ / t ref

Abstract translation: 一种用于光伏电池的波长转换树脂组合物，包括：吸收光谱中的最大吸收波长为λmax（nm）的荧光物质; 树脂颗粒; 和分散介质树脂，其中由下列等式1表示的最大吸收波长λmax（nm）下的A 1（»）的值为3.0×10 -4（OD /μm）以下，a 其中：作为树脂膜的厚度方向上通过树脂膜的波长»（nm）处的光强度为I 0（»）的入射光的结果的透射光的强度， 由树脂组合物形成的厚度为t（μm）的树脂膜定义为I（»）; 以及作为在基准树脂膜的厚度方向上通过参考树脂膜的入射光的结果而得到的透射光的强度，所述参考树脂膜由通过排除荧光物质获得的参考树脂组合物形成 将来自树脂组合物的树脂粒子的厚度t ref（μm）定义为I ref（»）。 A 1»= log I 0»/ I»/ t - log I 0»/ I»/ t ref

公开(公告)号：EP2562793B1

公开(公告)日：2017-08-30

申请号：EP11772109.2

申请日：2011-04-22

Applicant: Hitachi Chemical Company, Ltd.

Inventor： MACHII, Yoichi ,  YOSHIDA, Masato ,  NOJIRI, Takeshi ,  OKANIWA, Kaoru ,  IWAMURO, Mitsunori ,  ADACHI, Shuichiro ,  SATO, Tetsuya ,  KIZAWA, Keiko

IPC: H01L21/22 ,  H01L21/225 ,  C03C8/18 ,  H01L31/04 ,  H01L31/032 ,  H01L31/18

CPC classification number: H01L31/1864 ,  C03C8/16 ,  C03C8/18 ,  H01L21/2225 ,  H01L21/2255 ,  H01L31/022425 ,  H01L31/032 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

公开(公告)号：EP2680315A1

公开(公告)日：2014-01-01

申请号：EP11859281.5

申请日：2011-12-19

Applicant: Hitachi Chemical Company, Ltd.

Inventor： OKANIWA, Kaoru ,  SAWAKI, Taku ,  YAMASHITA, Takeshi

IPC: H01L31/042

CPC classification number: H01L31/02322 ,  C08K5/0091 ,  C08K5/56 ,  C08L2205/18 ,  C08L2205/22 ,  C09D123/0853 ,  H01L31/0481 ,  H01L31/055 ,  Y02E10/50 ,  Y02E10/52 ,  C08L33/12

Abstract: The present invention provides a wavelength conversion-type photovoltaic cell sealing material, the sealing material including at least one light emitting layer containing a group of spherical phosphors, the group of spherical phosphors having a ratio of a median value D 50 of the group of spherical phosphors to a total thickness t of the light emitting layer of from 0.1 to 1.0, where the median value D 50 is a median value of a volume particle size distribution of the group of spherical phosphors, and an integrated value N of a number particle size distribution from D 25 to D 75 of the group of spherical phosphors being 5% or more, when D 25 is a particle size value at 25% of an integrated value of the volume particle size distribution of the group of spherical phosphors and D 75 is a particle size value at 75% of the integrated value of the volume particle size distribution of the group of spherical phosphors; and a photovoltaic cell module including the sealing material.

Abstract translation: 本发明提供了一种波长转换型光伏电池密封材料，该密封材料包括至少一个包含一组球形荧光体的发光层，该球形荧光体组具有球形组的中值D 50的比率 荧光体的发光层的总厚度t为0.1〜1.0，其中中值D 50为球状荧光体组的体积粒度分布的中值，数值粒径的积分值N 当D 25是球状磷光体组的体积粒度分布的积分值的25％的粒径值，D 75为球状磷光体组的D 25至D 75时的分布为5％以上 一组球形荧光体的体积粒度分布的积分值的75％的粒度值; 以及包括密封材料的光伏电池模块。