High Efficient Solar Cells - Patent and Technology Report - Key Players, Innovators and Industry...
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High Efficient Crystalline SiliconSolar CellsKnowledge ServicesKnowledge Services
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High Efficeint Crystalline Si Solar Cells
Introduction
IP search and Analysis for US, IPC , ECLA , F-Terms and DWPIClasses
Taxonomy - Class based and Technology based taxonomy
Top Cited Patents
Top Cited Articles
Key Findings
MajorPlayers
IPActivity
Geographical Activity
Loss based distribution of patents
Top Cited Patents
Contents
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Introduction
Silicon (Si) is widely used semiconductor material for solar cells. Advantage of Si
over other semiconductor devices is due to well developed microelectronicsindustry which has considerable knowledge of working with Si. This makes Si a
better candidate for solar cells as compared to other semiconductor material such
as gallium arsenide (GaAs) or germanium (Ge).
The present efficiency limit and cost of the solar cell are not in comparison with
conventional energy sources. Efficiency of solar cells is about 24.7% in laboratory
and 14% commercially.
Some practices which are followed to reduce the losses are better material
selection, proper manufacturing techniques or changing design procedure of the
cell.
Low efficiency is due to high percentage of losses. Reflection loss, resistive loss,
recombination loss and thermal loss tend to reduce the efficiency of solar cell.
The present report discusses in detail the different mechanisms of losses occurring
in the solar cells. Also techniques that are implemented to reduce, losses are
addressed briefly.
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VVT Taxonomy
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A detailed taxonomy ispresented covering various
ways of Efficiency
improvement and important
Primary IPC Classes
To see the detailed Efficient Solar cells Taxonomy, mailto: [email protected]
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Classification
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Different classes related to Efficiency Improvement of Si Solar Cells are identified
These Classes are used in the search strategy
To see the detailed classification, mailto: [email protected]
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S. No. Patent/Public ation No.PublicationDate
(mm/dd/yyyy)As s ignee/ Appli cant Ti tl e
1 US6278211 0 8/ 02 /01 S we oE dw in B rus hl es s do ub ly -fe di ndu cti on ma ch in es e mp lo yi ng d ua l c age r ot ors
2 US6954004 1 0/ 11 /05 S pe ll ma nH igh Vol tage El ec tron Doubl y fed i nduc tion mac hi ne
3 US7411309 08/12/ 08 Xantrex Tec hnology Control s ystem for doubl y fed induc tion generator
4 US7485980 02/03/09 H itac hi Power converter for doubly-fed pow er generator sys tem
5 US7800243 09/21/10 Vestas WindSystems Variable speedwindturbine withdoubly-fedinductiongenerator compensatedforvarying rotorspeed
6 US7830127 11/09/ 10 W ind to Power Sys tem Doubl y-c ontrol led as ync hronous g enerator
Control Patents
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Highly relevant patents are used for extracting keywords and ensuring the
quality of the search query
To see the detailed table, mailto: [email protected]
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Search Concepts
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Concepts used to search patent literature
To see the detailed table, mailto: [email protected]
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Keyword Search
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Database: Thomsom Innovation (TI)
Timeline: 19910101 - 20111101Patent Coverage:US, WO, EP, GB, DE, FR
To see the detailed table, mailto: [email protected]
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Dolcera Dashboard
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Dolcera dashboard is a web 2.0 technology. It enables dynamic
presentation of patent data.
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Insights: Major Players
Sharp Corp, Canon Inc and Mitsubishi Corporation are the amongst the major
players in High Efficient Crystalline Si Solar Cells.
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Key patents in the field are held by Canon KK, Sandia Corp and BP Corp
Insights:Key Patents
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Insights: Year wise IP activity
Year wise IP activity based on Priority years
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Insights: Year wise IP activity
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Year wise IP activity based on publication years
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Insights: Geographical Distribution
Geographical distribution of patents
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Insights: Others
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Loss based distribution of Patents (Electrical , Optical, Thermal, Cell Formation and
Cell Structure)
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Insight: Others
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Efficiency Improvement of Silicon Solar cells IP analysis started with identification of
control patents which are highly relevant to the topic.
It follows the identification of various keywords related to the concept and also
identifying IPC, ECLA, US, F-term and DWPI classes relevant to the context. Logical
combinations of the classes and keywords are framed and are searched in Thomson
Innovation (TI) database. The search resulted in a total of 4706 INPADOC patent families, out of which 2425
patents have been identified as relevant. These patents are used for further
analytics.
Among the top players Canon KK, Sandia Corp and BP Corp North America Inc
have good number of cited patents and among technologies.
H01L31/04 (Semiconductor Devices as Photovoltaic Converters) and H01L31/042
(SolarCell Arrays) have good quality patents.
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Like this presentation?
Buy the customized report from Dolcera
Patent Analytics Services Market Research Services Purchase Patent Dashboard
Patent Landscape Services Dolcera Processes Industry FocusPatent Search Services Patent Alerting Services Dolcera Tools
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This is only a sample report with brief analysis. Purchase the complete
report here. Price: $999
Dolcera can provide a comprehensive report customized to your needs
Samir Raiyani
Email:[email protected]
Phone: +1-650-425-6772Fax: +1-866-690-7517
High Efficient Crystalline Silicon Solar
