TW200505035A - Emitter wrap-through back contact solar cells on thin silicon wafers - Google Patents
Emitter wrap-through back contact solar cells on thin silicon wafersInfo
- Publication number
- TW200505035A TW200505035A TW093118972A TW93118972A TW200505035A TW 200505035 A TW200505035 A TW 200505035A TW 093118972 A TW093118972 A TW 093118972A TW 93118972 A TW93118972 A TW 93118972A TW 200505035 A TW200505035 A TW 200505035A
- Authority
- TW
- Taiwan
- Prior art keywords
- substrate
- cell
- emitter wrap
- solar cell
- solar cells
- Prior art date
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052710 silicon Inorganic materials 0.000 title abstract 3
- 239000010703 silicon Substances 0.000 title abstract 3
- 235000012431 wafers Nutrition 0.000 title abstract 3
- 239000000758 substrate Substances 0.000 abstract 4
- 238000000034 method Methods 0.000 abstract 2
- 238000002161 passivation Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Photovoltaic Devices (AREA)
Abstract
A thin emitter wrap-through solar cell and method for making a thin emitter wrap-through solar cell. The cell preferably includes a silicon wafer substrate having a thickness of less than 280 microns. The p-type area on the back side of the cell is minimized, which maximizes the collector area and reduces or eliminates stress due to passivation of the p-type area, which is required for conventional solar cells. The efficiency of the cell of the present invention peeks for a much smaller thickness than that for conventional cells. Thus thin wafers of inexpensive, lower quality silicon may be used without a significant efficiency penalty, providing a large cost advantage over other solar cell configurations, Vias through the substrate, which connect emitter layers on the front and back surfaces of the substrate, may consist of holes which are doped, or alternatively may be solid and consist of a solute which is migrated through the substrate by a gradient-driven process.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48412203P | 2003-06-30 | 2003-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200505035A true TW200505035A (en) | 2005-02-01 |
| TWI320235B TWI320235B (en) | 2010-02-01 |
Family
ID=37298765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW093118972A TWI320235B (en) | 2003-06-30 | 2004-06-29 | Emitter wrap-through back contact solar cells on thin silicon wafers |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1860618A (en) |
| TW (1) | TWI320235B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9000353B2 (en) | 2010-06-22 | 2015-04-07 | President And Fellows Of Harvard College | Light absorption and filtering properties of vertically oriented semiconductor nano wires |
| US9515218B2 (en) | 2008-09-04 | 2016-12-06 | Zena Technologies, Inc. | Vertical pillar structured photovoltaic devices with mirrors and optical claddings |
| US8299472B2 (en) | 2009-12-08 | 2012-10-30 | Young-June Yu | Active pixel sensor with nanowire structured photodetectors |
| US8748799B2 (en) | 2010-12-14 | 2014-06-10 | Zena Technologies, Inc. | Full color single pixel including doublet or quadruplet si nanowires for image sensors |
| US8866065B2 (en) | 2010-12-13 | 2014-10-21 | Zena Technologies, Inc. | Nanowire arrays comprising fluorescent nanowires |
| US9478685B2 (en) | 2014-06-23 | 2016-10-25 | Zena Technologies, Inc. | Vertical pillar structured infrared detector and fabrication method for the same |
| CN101383386B (en) * | 2008-10-24 | 2010-12-01 | 中国科学院电工研究所 | A kind of emitter surrounding solar cell and its preparation method |
| DE102009031151A1 (en) * | 2008-10-31 | 2010-05-12 | Bosch Solar Energy Ag | Solar cell and process for its production |
| KR101108474B1 (en) | 2009-05-14 | 2012-01-31 | 엘지전자 주식회사 | Solar cell |
| NL2005261C2 (en) * | 2010-08-24 | 2012-02-27 | Solland Solar Cells B V | Back contacted photovoltaic cell with an improved shunt resistance. |
| CN103208562B (en) * | 2013-03-26 | 2015-06-03 | 中国科学院半导体研究所 | Method for manufacturing emitter wrap through solar battery |
| CN103165755B (en) * | 2013-03-26 | 2015-05-06 | 中国科学院半导体研究所 | Method for manufacturing metal surrounding solar cell |
| CN111223961A (en) * | 2019-11-27 | 2020-06-02 | 浙江爱旭太阳能科技有限公司 | A method for producing a new type of solar cell string |
-
2004
- 2004-06-29 TW TW093118972A patent/TWI320235B/en not_active IP Right Cessation
- 2004-06-30 CN CNA2004800188053A patent/CN1860618A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TWI320235B (en) | 2010-02-01 |
| CN1860618A (en) | 2006-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |