yourfanat wrote: I am using another tool for Oracle developers - dbForge Studio for Oracle. This IDE has lots of usefull features, among them: oracle designer, code competion and formatter, query builder, debugger, profiler, erxport/import, reports and many others. The latest version supports Oracle 12C. More information here.
Cloud Computing
Conference & Expo
November 2-4, 2009 NYC
Register Today and SAVE !..

2008 West
Data Direct
SOA, WOA and Cloud Computing: The New Frontier for Data Services
Red Hat
The Opening of Virtualization
User Environment Management – The Third Layer of the Desktop
Cloud Computing for Business Agility
CMIS: A Multi-Vendor Proposal for a Service-Based Content Management Interoperability Standard
Freedom OSS
Practical SOA” Max Yankelevich
Architecting an Enterprise Service Router (ESR) – A Cost-Effective Way to Scale SOA Across the Enterprise
Return on Assests: Bringing Visibility to your SOA Strategy
Managing Hybrid Endpoint Environments
Game-Changing Technology for Enterprise Clouds and Applications
Click For 2008 West
Event Webcasts

2008 West
Get ‘Rich’ Quick: Rapid Prototyping for RIA with ZERO Server Code
Keynote Systems
Designing for and Managing Performance in the New Frontier of Rich Internet Applications
How Can AJAX Improve Homeland Security?
Beyond Widgets: What a RIA Platform Should Offer
REAs: Rich Enterprise Applications
Click For 2008 Event Webcasts
In many cases, the end of the year gives you time to step back and take stock of the last 12 months. This is when many of us take a hard look at what worked and what did not, complete performance reviews, and formulate plans for the coming year. For me, it is all of those things plus a time when I u...
Panasonic HIT(R) Solar Cell Achieves World's Highest Conversion Efficiency of 24.7% at Research Level

Osaka, Feb 12, 2013 - (JCN Newswire) - Panasonic Corporation today announced it has achieved a record conversion efficiency of 24.7%(1) at the research level, using its HIT(R) solar cell at 98 micro-m thickness. The rate is the world's highest(2) for any crystalline silicon-based solar cell of practical size (100 cm2 and above).

This record conversion rate demonstrates superb efficiency of Panasonic HIT solar cells to convert sunlight into electricity. The latest figure is 0.8 percentage points higher than the previous record (23.9%) for HIT solar cells, and 0.5 percentage points higher than the previously published record(3) for any monocrystalline silicon-based solar cell of practical size (100 cm2 and above).

Further, achieving this high efficiency at the very thin thickness of 98 micro-m has significant implications in terms of cost reduction as Panasonic continues to improve efficiency of its solar cells while lowering costs, with the aim to set itself apart from other companies in the industry.

- Core technologies behind the record efficiency rating

(1) Reduction in recombination loss
A key feature of HIT solar cells is the lamination of a high-quality amorphous silicon layer onto the surface of the monocrystalline silicon substrate that serves as the power-generating layer. This leads to a reduction in recombination loss(4) within the electrical elements, known as carriers(5). To further enhance this unique property of HIT solar cells, Panasonic has developed a new technology that enables to form on the monocrystalline silicon substrate an amorphous silicon layer of even higher quality while limiting damage to the surface of the substrate. This has enabled a further reduction of recombination losses within the carrier. As a result, the open voltage (Voc)(6) has been improved from 0.748 V to 0.750 V.

(2) Reduction in optical loss
In order to achieve a high electrical current from solar cells, it is necessary to induce the solar rays arriving at the cell surface into the monocrystalline silicon substrate that serves as the power-generating layer with as little losses as possible. This time, using a HIT solar cell, Panasonic has successfully reduced absorption loss of light in the transparent conductive coatings and the amorphous silicon layer covering the monocrystalline silicon substrate. At the same time, shading loss has also been decreased by reducing the surface area of the grid electrode on the cell surface. As a result, density of the short-circuit current (Jsc)(7) has been improved from 38.9 mA/cm2 to 39.5 mA/cm2.

(3) Reduction in resistive loss
In solar cells, the electrical current generated is accumulated within the grid electrode on the cell surface and then delivered outside. This time, Panasonic has succeeded in cutting down resistive loss that occurs when an electric current passes through the grid electrode by improving the grid electrode, including the development of an electrode with a higher aspect ratio(8). As a result, the fill factor (FF)(9) has been improved from 0.822 to 0.832.

Panasonic will focus on applying this newly-developed high-efficiency technology to mass production products, and will continue to develop technologies that improve efficiency, reduce costs, and save resources further.

- Properties of HIT solar cells

-- Open voltage (Voc) 0.750 V
-- Short-circuit current (Isc) [short-circuit current density (Jsc)](7) 4.02 A [39.5 mA/cm2]
-- Fill factor (FF)(9) 0.832
-- Cell transfer efficiency 24.7%
-- Cell surface area 101.8 cm2

Diagram available at

(1) As evaluated by the National Institute of Advanced Industrial Science and Technology
(2) As of February 12, 2013 (Panasonic survey)
(3) As determined from "Solar cell efficiency tables (version 41)" [Prog. Photovolt: Res. Appl. 2013; 21:1-11]
(4) Recombination loss refers to a reduction in current and voltage output from the solar cell caused by positive and negative electrical charge (carriers) generated within the solar cell then combining within the solar cell and thus cancelling out.
(5) Carriers are comprised of two types of electrical particles-electrons (negative) and holes (positive). While electrons carry a negative charge, holes are effectively empty shells without electrons and thus carry a positive charge.
(6) Open voltage (Voc) is the maximum voltage generated by the solar cell. Short-circuit current density (Jsc) is calculated by dividing Isc by the surface area of the cell.
(7) Short-circuit current (Isc) is the maximum current generated by the solar cell.
(8) A higher aspect ratio refers to a higher ratio of height to line width within the grid electrode. Since the grid electrode serves to block light entering the cell surface, a higher aspect ratio serves to reduce such losses and to lower resistance within the electrode grid.
(9) Fill factor (FF) is a value calculated by dividing the maximum output of the solar cell by the product of the open voltage and short-circuit voltage.

About Panasonic

Panasonic Corporation is a worldwide leader in the development and manufacture of electronic products in three business fields, consumer, components & devices, and solutions. Based in Osaka, Japan, the company recorded consolidated net sales of 7.85 trillion yen for the year ended March 31, 2012. Panasonic's stock is listed on the Tokyo, Osaka, Nagoya and New York (NYSE:PC) Stock Exchanges. The company has the vision of becoming the No. 1 Green Innovation Company in the Electronics Industry by the 100th year of its founding in 2018. For more information on Panasonic, its brand and commitment to sustainability, visit the company's website at

Source: Panasonic


Panasonic Corporation
Tokyo Public Relations Office
Tel: +81-3-3574-5664
Fax: +81-3-3574-5699

Copyright 2013 JCN Newswire. All rights reserved.
About JCN Newswire
Copyright 2008 JCN Newswire. All rights reserved. Republication or redistribution of JCN Newswire content is expressly prohibited without the prior written consent of JCN Newswire. JCN Newswire shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon.

SOA World Latest Stories
With major technology companies and startups seriously embracing IoT strategies, now is the perfect time to attend @ThingsExpo 2016 in New York and Silicon Valley. Learn what is going on, contribute to the discussions, and ensure that your enterprise is as "IoT-Ready" as it can be! Int...
Internet of @ThingsExpo, taking place June 7-9, 2016 at Javits Center, New York City and Nov 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA, is co-located with the 18th International @CloudExpo and will feature technical sessions from a rock star conference faculty ...
Growth hacking is common for startups to make unheard-of progress in building their business. Career Hacks can help Geek Girls and those who support them (yes, that's you too, Dad!) to excel in this typically male-dominated world. Get ready to learn the facts: Is there a bias against...
There are over 120 breakout sessions in all, with Keynotes, General Sessions, and Power Panels adding to three days of incredibly rich presentations and content. Join @ThingsExpo conference chair Roger Strukhoff (@IoT2040), June 7-9, 2016 in New York City, for three days of intense 'In...
Just over a week ago I received a long and loud sustained applause for a presentation I delivered at this year’s Cloud Expo in Santa Clara. I was extremely pleased with the turnout and had some very good conversations with many of the attendees. Over the next few days I had many more m...
As organizations realize the scope of the Internet of Things, gaining key insights from Big Data, through the use of advanced analytics, becomes crucial. However, IoT also creates the need for petabyte scale storage of data from millions of devices. A new type of Storage is required wh...
Subscribe to the World's Most Powerful Newsletters
Subscribe to Our Rss Feeds & Get Your SYS-CON News Live!
Click to Add our RSS Feeds to the Service of Your Choice:
Google Reader or Homepage Add to My Yahoo! Subscribe with Bloglines Subscribe in NewsGator Online
myFeedster Add to My AOL Subscribe in Rojo Add 'Hugg' to Newsburst from CNET Kinja Digest View Additional SYS-CON Feeds
Publish Your Article! Please send it to editorial(at)!

Advertise on this site! Contact advertising(at)! 201 802-3021

SYS-CON Featured Whitepapers