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Connected to the Solar Park Romande Energie – EPFL, an experimental energy storage device the size of a shipping container, developed by Leclanche will be installed on the campus of the School, with the financial support of the canton of Vaud.

One step closer in the search for new solutions for renewable energy storage.

As part of its “100 million for renewable energy and energy efficiency,” the canton of Vaud Laboratory allocates some two million Swiss francs for electrical systems distributed by Professor Mario Paolone EPFL, in order to place a comprehensive system of energy storage.

Scientists want to study new solutions to industrial type to store solar energy and then distribute it to optimally during peak consumption during the day. The heart of the device developed by Leclanche based on a lithium-ion battery innovative titanate, which uses titanate instead of the traditional graphite. It will operate in conjunction with the Romande Energie at EPFL solar park, one of the largest solar electric installations by Suisse Romande. This pilot project meets the Ecole Polytechnique Federale de Lausanne (EPFL), Leclanche SA, Romande Energie and the State of Vaud.

“The storage of electrical energy through the use of high-capacity batteries and long life is a challenge that determines the massive integration of renewable energy for electricity generation. This partnership will allow us to validate the technologies used to store solar energy on an industrial scale, says Professor Paolone. The issue is very important.”

A lab on campus

About the size of a shipping container, the storage device will be connected to Leclanche photovoltaic plant installed by EPFL and Romande Energie an area of ​​15,000 m2. The container will be equipped with lithium-ion titanate cells Leclanche high performance with a very long life, with approximately 15,000 charge-discharge cycles, usually against 3000. To increase the safety of the device, a patented ceramic separator Leclanche be a key element. This would be complemented by a sophisticated management system.

“We welcome this collaboration adds Fabrizio Marzolini, Development Manager at Leclanche SA energy storage systems. This is the best way to share high technology developed in Leclanche and scientific research to enable us to remain at the forefront of innovations that serve the vital energy transition. “Jacqueline de Quattro, head of the Department of Planning and the Environment of the Canton of Vaud, welcomed for his part that” public money is wisely invested in an innovative project that is in line with our strategy to support energy renewable. ”

Proving ground, the storage unit of industrial size can store up to 500 kWh, equivalent to the electricity production of 2,500 square meters of solar panels in an hour or consumption of one hundred households during a day while managing power variations related to sunlight.

“This joint research will develop the contribution of PV to the Swiss energy supply, says Christian Brother, Director Business Unit Energy Romande Energie.”

Research related to container will last 23 months and will optimize the operation of various components.

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