Solar panel controller adds battery cells

July 28, 2020 //By Nick Flaherty
Murata Electronics is working with Yotta Energy in the US on a distributed energy system that combines a battery in a photovoltaic (PV) solar cell.
Murata Electronics is working with Yotta Energy in the US on a distributed energy system that combines a battery in a photovoltaic (PV) solar panel.

The solar panel storage uses Murata’s Fortelion lithium iron phosphate battery cells in Yotta’s SolarLEAF thermal management controller. These are attached to solar panels on rooftops instead of using a centralised smart battery system such as those from Sonnen (now part of Shell), Siemens or Moixa.

The Fortelion cells are designed for over 10,000 charge-discharge cycles, which compares to 500 cycles for lead acid cells or 2,000 to 3,000 cycles for mainstream lithium ion graphite cells.

About the size of a briefcase, Yotta's patented energy storage solution can fit under any industry standard solar panel module. Yotta's technology features advanced thermal management to maintain an optimal working temperature even under extreme outdoor conditions.

Yotta's system is also designed to the UL 9540 safety approval for use in urban environments. As an integrated software plus hardware solution, Yotta's ‘PV-Coupled’ architecture also helps address grid outages by enhancing grid resilience and reliability

“Murata’s long-standing commitment to innovation extends to supporting the promising start-ups who are developing ground-breaking technologies. We are very pleased to deepen our relationship with Yotta and excited about having a hand in accelerating SolarLEAF’s mass-market adoption,” said John Roberts, Business Development Manager for Murata Americas.

“Our patented thermal technology ensures that Murata’s Fortelion cells stay within an optimal working temperature even under extreme weather conditions,” said Omeed Badkoobeh, CEO of Yotta Energy. “Additionally, Murata’s Fortelion cells showed no signs of flaming when tested to UL 9540A, which is a key differentiator for our PV-Coupled technology,” he said.

The collaboration between Murata and Yotta Energy also addresses the growing demand for solar plus storage solutions that provide new business models, additional revenue streams, and clean energy for building owners installing solar panel systems. 

www.murata.com; www.yottaenergy.com

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