Panasonic 2011 Annual Report Download - page 8

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Panasonic Annual Report 2011 Search Contents Return Next
page 7
Financial
Highlights Highlights Top Message Group Strategies Corporate
Governance
Financial and
Corporate Data
R&D Design Intellectual
Property
Segment
Information
Solar Photovoltaic Systems that Realize
High Conversion Efficiency
In response to high demand in Japan, the Panasonic Group released a home solar photovoltaic system that employs HIT® photovoltaic modules
that provide energy conversion efficiency* of 17.9% (nominal maximum output of 230 W/module). This home solar photovoltaic system is a major
pillar of the Panasonic Home Energy Solution that encompasses energy management for the entire home.
Every effort is being made to ensure wider spread use, utilizing in full home appliance, home-related and other sales channels.
* The ratio of electric energy generated by a solar cell/module to the light energy irradiated into the cell/module.
Realizing High Efficiency Using a
Proprietary Hybrid Structure
The newly released ECO
Management System
helps visualize the
amount of electricity, gas,
and water consumed.
This new innovation
realizes complete home
energy management.
Energy Management through an
Easy-to-Understand Screen
Lifestyles Free from the Wasteful
Use of Energy
Increased energy-saving
efficiency can be achieved
through the use of such
environmentally-conscious
products as Eco Cute and
induction heating (IH)
cooking equipment in
combination with solar
photovoltaic systems.
Utilizing a proprietary hybrid structure that sandwiches the thin
single crystalline silicon wafer with ultra-thin amorphous
silicon layers that boast low levels of impurities, the
Panasonic Group has reduced power generation loss
and realized high energy conversion efficiency.
ECO management system control panelECO management system control panel Monitoring using a VIERA televisionMonitoring using a VIERA televisionECO management system control panel Monitoring using a VIERA television
Structure of Conventional
Crystalline Silicon Solar Cell
Structure of the HIT
®
Solar Cell
Anti-reflection layer
Electron dissipation
at defect zones
Electrode
Electrode
Electrode
Crystalline silicon (n-type)
Crystalline silicon (n-type)
Crystalline silicon (p-type)
Ultra-thin amorphous silicon layers
Clean surface
boundary with
few defect zones
Highlights 1 Highlights 2 Highlights 3 Highlights 4 Highlights 5
The HITThe HIT® series seriesThe HIT® series