公开(公告)号：WO2012138935A2

公开(公告)日：2012-10-11

申请号：PCT/US2012032434

申请日：2012-04-05

Applicant: DU PONT ,  HANG KENNETH WARREN ,  WANG YUELI

Inventor： HANG KENNETH WARREN ,  WANG YUELI

IPC: H01L31/0264

CPC classification number: H01L31/0272 ,  C01B19/004 ,  C01G29/00 ,  C01P2006/40 ,  C03C8/08 ,  C03C8/18 ,  C09D7/1216 ,  C09D7/61 ,  H01B1/22 ,  H01L31/022425 ,  H05K1/0306 ,  H05K1/092 ,  Y02E10/50

Abstract: The present invention is directed to an electroconductive thick film paste composition comprising Ag and a Pb-free bismuth-tellurium-oxide both dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode. The present invention is also directed to the bismuth-tellurium oxide that is a component of thick film pastes.

Abstract translation: 本发明涉及一种导电厚膜糊料组合物，其包含分散在有机介质中的Ag和无铅的铋 - 碲氧化物。 本发明还涉及由糊料组合物和半导体器件形成的电极，特别是包括这种电极的太阳能电池。 本发明还涉及作为厚膜糊的成分的氧化铋 - 氧化铋。

公开(公告)号：WO2013085961A8

公开(公告)日：2014-01-16

申请号：PCT/US2012067885

申请日：2012-12-05

Applicant: DU PONT

Inventor： WANG YUELI ,  HANG KENNETH WARREN

IPC: C03C8/12 ,  C03C8/08 ,  C03C8/16 ,  C03C8/18 ,  C03C8/20 ,  H01B1/02

CPC classification number: H01L31/0272 ,  C03C3/07 ,  C03C3/122 ,  C03C3/142 ,  C03C3/21 ,  C03C8/12 ,  C03C8/16 ,  C03C8/18 ,  C03C8/20 ,  H01B1/22 ,  H01L31/022425 ,  H01L31/02245 ,  Y02E10/50

Abstract: A conductive silver via paste comprising particulate conductive silver, a lead-tellurium-lithium-titanium-oxide, titanium resinate and an organic vehicle is particularly useful in providing the metallization of the holes in the silicon wafers of MWT solar cells. The result is a metallic electrically conductive via between the collector lines on the front side and the emitter electrode on the back-side of the solar cell. The paste can also be used to form the collector lines on the front-side of the solar cell and the emitter electrode on the back-side of the solar cell. Also disclosed are metal-wrap-through silicon solar cells comprising the fired conductive silver paste.

Abstract translation: 包含颗粒状导电银，铅 - 碲 - 锂 - 二氧化钛，树脂钛酸盐和有机载体的导电银通过糊剂特别可用于提供MWT太阳能电池的硅晶片中的孔的金属化。 结果是在前侧的集电极线与太阳能电池背面的发射极之间的金属导电通孔。 该糊料也可用于在太阳能电池的正面和太阳能电池背面上的发射电极上形成集电极线。 还公开了包含烧结的导电银浆的金属包覆硅太阳能电池。

公开(公告)号：WO2014123840A3

公开(公告)日：2015-01-29

申请号：PCT/US2014014553

申请日：2014-02-04

Applicant: DU PONT

Inventor： HANG KENNETH WARREN ,  WANG YUELI

IPC: H01B1/02 ,  H01B1/22 ,  H01L31/00

CPC classification number: H01L31/02245 ,  H01B1/16 ,  H01B1/22 ,  Y02E10/50

Abstract: A conductive silver via paste comprising particulate conductive silver, a vanadium-phosphorus-antimony-zinc-based-oxide, a tellurium-boron-phosphorus-based-oxide or a tellurium-molybdenum-cerium-based-oxide and an organic vehicle is particularly useful in providing the metallization of the holes in the silicon wafers of MWT solar cells. The result is a metallic electrically conductive via between the collector lines on the front side and the emitter electrode on the back-side of the solar cell. The paste can also be used to form the collector lines on the front-side of the solar cell and the emitter electrode on the back-side of the solar cell. Also disclosed are metal-wrap-through silicon solar cells comprising the fired conductive silver paste.

Abstract translation: 特别是含有导电性银，钒 - 锑 - 锌 - 锌 - 氧化物，碲 - 硼 - 磷 - 氧化物或碲 - 钼 - 铈 - 氧化物和有机载体的导电银通过膏 可用于提供MWT太阳能电池的硅晶片中的孔的金属化。 结果是在前侧的集电极线与太阳能电池背面的发射极之间的金属导电通孔。 该糊料也可用于在太阳能电池的正面和太阳能电池背面的发射电极上形成收集线。 还公开了包括烧结的导电银浆的金属包裹硅太阳能电池。

公开(公告)号：WO2013023169A8

公开(公告)日：2013-11-14

申请号：PCT/US2012050413

申请日：2012-08-10

Applicant: DU PONT ,  HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  PRINCE ALISTAIR GRAEME ,  WANG YUELI ,  WATT ROSALYNNE SOPHIE

Inventor： HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  PRINCE ALISTAIR GRAEME ,  WANG YUELI ,  WATT ROSALYNNE SOPHIE

IPC: H01L31/0224 ,  C03C8/02 ,  C03C8/18 ,  H01B1/16 ,  H01B1/22

CPC classification number: H01L31/022425 ,  C03C8/04 ,  C03C8/06 ,  C03C8/18 ,  H01B1/16 ,  H01B1/22 ,  H01L31/02167 ,  H01L31/068 ,  H01L31/0682 ,  Y02E10/547

Abstract: An aluminium paste having no or only poor fire-through capability comprises aluminium particles, at least one glass frit containing 0.5 to 15 wt.% SiO2, 0.3 to 10 wt.% Al2O3 and 67 to 75 wt.% Bi2O3 (the weight percentages being based on the total weight of the glass frit) and an organic vehicle. The aluminium paste is used in the manufacture of aluminium back electrodes of PERC (passivated emitter and rear contact) silicon solar cells, wherein the paste is applied on a perforated dielectric passivation layer on the back-side of a silicon wafer and subsequently dried and fired or, alternatively, wherein the paste is applied on a non-perforated passivation layer on the back-side of a silicon wafer, dried and fired and the aluminium layer and the passivation layer are subsequently laser fired to produce perforations in the passivation layer and to form local BSF (back surface field) contacts.

Abstract translation: 没有或仅有差的穿火能力的铝浆包括铝颗粒，至少一种含有0.5至15重量％SiO 2，0.3至10重量％的Al 2 O 3和67至75重量％的Bi 2 O 3的玻璃料（重量百分数为 基于玻璃料的总重量）和有机载体。 铝浆用于制造PERC（钝化发射器和后接触）硅太阳能电池的铝背电极，其中将糊剂施加在硅晶片背面上的穿孔电介质钝化层上，随后干燥和烧制 或者替代地，其中将糊剂施加在硅晶片的背侧上的非穿孔钝化层上，干燥和烧制，随后激光烧制铝层和钝化层以在钝化层中产生穿孔，并且 形成本地BSF（背面场）接触。

公开(公告)号：WO2012138930A2

公开(公告)日：2012-10-11

申请号：PCT/US2012032429

申请日：2012-04-05

Applicant: DU PONT ,  HANG KENNETH WARREN ,  WANG YUELI

Inventor： HANG KENNETH WARREN ,  WANG YUELI

IPC: H01L31/0264

CPC classification number: H01L31/0272 ,  C01B19/004 ,  C01G29/00 ,  C01P2006/40 ,  C03C8/08 ,  C03C8/18 ,  C09D7/1216 ,  C09D7/61 ,  H01B1/22 ,  H01L31/022425 ,  H05K1/0306 ,  H05K1/092 ,  Y02E10/50

Abstract: The present invention is directed to an electroconductive thick film paste composition comprising Ag and a Pb-free bismuth-tellurium-oxide both dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode. The present invention is also directed to the bismuth-tellurium oxide that is a component of thick film pastes.

Abstract translation: 本发明涉及导电厚膜浆料组合物，其包含分散在有机介质中的Ag和无铅铋 - 碲氧化物。 本发明进一步涉及由糊组合物和半导体器件形成的电极，特别是包含这种电极的太阳能电池。 本发明还涉及作为厚膜糊剂组分的铋 - 碲氧化物。

公开(公告)号：WO2011075703A3

公开(公告)日：2012-03-01

申请号：PCT/US2010061153

申请日：2010-12-17

Applicant: DU PONT ,  HANG KENNETH WARREN ,  KIRK DANIEL ,  LAUGHLIN BRIAN J ,  WHITTLE BEN

Inventor： HANG KENNETH WARREN ,  KIRK DANIEL ,  LAUGHLIN BRIAN J ,  WHITTLE BEN

IPC: C03C3/07 ,  C03C3/074 ,  C03C8/10 ,  C03C8/12 ,  C03C8/16 ,  C03C8/18 ,  H01B1/22 ,  H01L31/02 ,  H01L31/0224

CPC classification number: H01L31/022425 ,  C03C3/07 ,  C03C8/10 ,  C03C8/12 ,  C03C8/16 ,  C03C8/18 ,  H01B1/22 ,  Y02E10/50

Abstract: The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.

Abstract translation: 本发明涉及可用于硅半导体器件和光伏电池的导电浆料中的玻璃组合物。

公开(公告)号：WO2011075714A2

公开(公告)日：2011-06-23

申请号：PCT/US2010061190

申请日：2010-12-20

Applicant: DU PONT ,  CARROLL ALAN FREDERICK ,  HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  LAUGHLIN BRIAN J

Inventor： CARROLL ALAN FREDERICK ,  HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  LAUGHLIN BRIAN J

IPC: C03C8/06

CPC classification number: C03C8/06 ,  C03C8/18 ,  H01B1/16 ,  H01B1/22 ,  H01L31/022425 ,  Y02E10/50

Abstract: The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.

公开(公告)号：WO2012129554A3

公开(公告)日：2013-02-28

申请号：PCT/US2012030475

申请日：2012-03-23

Applicant: DU PONT ,  HANG KENNETH WARREN ,  MIKESKA KURT RICHARD ,  RAJENDRAN RAJ G ,  TORARDI CARMINE ,  VERNOOY PAUL DOUGLAS ,  WANG YUELI

Inventor： HANG KENNETH WARREN ,  MIKESKA KURT RICHARD ,  RAJENDRAN RAJ G ,  TORARDI CARMINE ,  VERNOOY PAUL DOUGLAS ,  WANG YUELI

IPC: C03C8/10 ,  C04B35/01 ,  H01B1/16 ,  H01B1/22 ,  H01L31/0224

CPC classification number: H01L31/022425 ,  B23K35/025 ,  B23K35/268 ,  B23K35/3602 ,  C03C8/10 ,  C03C8/18 ,  H01B1/02 ,  H01B1/22 ,  H01L31/18 ,  H01L31/1864 ,  H01L2924/0002 ,  Y02E10/50 ,  Y02E10/52 ,  H01L2924/00

Abstract: A conductive paste composition contains a source of an electrically conductive metal, a lead-tellurium-based oxide, a discrete oxide of an adhesion promoting element, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and lead-tellurium-based oxide.

Abstract translation: 导电糊组合物包含导电金属源，铅 - 碲基氧化物，粘附促进元素的离散氧化物和有机载体。 通过在半导体基板（例如通过丝网印刷）上沉积糊剂组合物的方法来形成诸如高效光伏电池的物品，并且烧制浆料以除去有机载体并烧结金属和铅 - 碲 - 基于氧化物。

公开(公告)号：WO2011097606A3

公开(公告)日：2012-08-23

申请号：PCT/US2011023985

申请日：2011-02-08

Applicant: DU PONT ,  HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  PRINCE ALISTAIR GRAEME ,  YOUNG RICHARD JOHN SHEFFIELD

Inventor： HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  PRINCE ALISTAIR GRAEME ,  YOUNG RICHARD JOHN SHEFFIELD

IPC: H01L31/0224 ,  H01L31/18

CPC classification number: H01L31/02245 ,  C03C8/02 ,  C03C8/10 ,  C03C8/24 ,  Y02E10/50

Abstract: A process for the production of a MWT silicon solar cell comprising the steps: (1) providing an n-type silicon wafer with (i) holes forming vias between the front-side and the back-side of the wafer and (ii) a p-type emitter extending over the entire front-side and the inside of the holes, (2) applying a conductive metal paste to the holes of the silicon wafer to provide at least the inside of the holes with a metallization, (3) drying the applied conductive metal paste, and (4) firing the dried conductive metal paste, whereby the wafer reaches a peak temperature of 700 to 900C, wherein the conductive metal paste has no or only poor fire-through capability and comprises (a) at least one particulate electrically conductive metal selected from the group consisting of silver, copper and nickel, (b) at least one particulate p-type dopant, and (c) an organic vehicle.

Abstract translation: 一种用于生产MWT硅太阳能电池的方法，包括以下步骤：（1）提供n型硅晶片，其具有（i）在晶片的前侧和后侧之间形成通孔的孔，以及（ii） p型发射体在孔的整个前侧和内侧延伸，（2）将导电金属膏施加到硅晶片的孔中，至少提供孔的内部金属化，（3）干燥 涂布的导电性金属糊料，（4）烧制干燥后的导电性金属糊料，由此晶片达到700〜900℃的峰值温度，导电性金属糊料没有或仅有差的穿透能力，并且至少包括（a）至少 选自银，铜和镍的一种颗粒状导电金属，（b）至少一种颗粒型p型掺杂剂，和（c）有机载体。

公开(公告)号：WO2011081808A2

公开(公告)日：2011-07-07

申请号：PCT/US2010059433

申请日：2010-12-08

Applicant: DU PONT ,  HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  PRINCE ALISTAIR GRAEME ,  YOUNG RICHARD JOHN SHEFFIELD

Inventor： HANG KENNETH WARREN ,  LAUDISIO GIOVANNA ,  PRINCE ALISTAIR GRAEME ,  YOUNG RICHARD JOHN SHEFFIELD

IPC: H01L31/18

CPC classification number: C03C8/02 ,  C03C8/12 ,  C03C8/16 ,  C03C8/18 ,  H01B1/22 ,  H01L31/02245 ,  H01L31/068 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521 ,  Y10S438/928

Abstract: A process for the production of a MWT silicon solar cell comprising the steps: (1) providing a p-type silicon wafer with (i) holes forming vias between the front-side and the back-side of the wafer and (ii) an n-type emitter extending over the entire front-side and the inside of the holes, (2) applying a conductive metal paste to the holes of the silicon wafer to provide at least the inside of the holes with a metallization, (3) drying the applied conductive metal paste, and (4) firing the dried conductive metal paste, whereby the wafer reaches a peak temperature of 700 to 900°C, wherein the conductive metal paste has no or only poor fire-through capability and comprises (a) at least one particulate electrically conductive metal selected from the group consisting of silver, copper and nickel and (b) an organic vehicle.

Abstract translation: 一种用于生产MWT硅太阳能电池的方法，包括以下步骤：（1）提供p型硅晶片，其具有（i）在晶片的前侧和后侧之间形成通孔的孔，以及（ii） n型发射体在孔的整个前侧和内侧延伸，（2）将导电金属膏施加到硅晶片的孔中，至少提供孔的内部金属化，（3）干燥 涂布的导电性金属糊料，（4）烧制干燥后的导电性金属糊料，由此晶片达到700〜900℃的峰值温度，其中导电性金属糊料没有或仅仅具有差的穿透能力，并且包括（a） 至少一种选自银，铜和镍的颗粒状导电金属和（b）有机载体。