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RedFlow Limited recognised for its zinc-bromide battery technology

The company’s selection as a 2015 FiReStarter company underscores the requirement for grid-scale batteries, which is a key application of RedFlow’s ZBM batteries. The 13th annual Future in Review Conference will take place on 6th-9th October 2015 in Park City, Utah.
RedFlow Limited recognised for its zinc-bromide battery technology

RedFlow Limited (ASX:RFX) has been recognised for its innovative zinc-bromide battery technology with its selection as a 2015 FiReStarter company to be featured at the 13th annual Future in Review (FiRe) conference.

A leading technology conference, FiRe features global thought leaders including Elon Musk, Craig Venter, Michael Dell, Vint Cerf, Leroy Hood, Patti Grace Smith, Mark Hurd, Paul Jacobs, and many others.

FiReStarters are selected based on the strength of their innovations and their potential to bring positive change to the world.

They are showcased at an exclusive investor reception at the FiRe conference, in panels throughout the event, and with ongoing relationships introduced and supported by Strategic News Service.

RedFlow’s 5kW continuous/11kWh ZBM module is designed to be integrated into electricity storage systems for a range of stationary applications.

Its characteristics of daily deep charge and discharge capability mean it is ideal for storage and shifting of intermittent renewable energy, managing peak load on the grid as well as supporting off-grid (“island”) power systems.

RedFlow is one of the first companies to install fully operational and functional ZBMs into a range of stationary energy applications.

“We are honoured to be one of only a few technologies selected for such a prestigious event,” managing director Stuart Smith said.

“Our technology has the potential to be truly disruptive in the energy storage market, and with the size of the opportunity already validated we are well placed to capitalise on this.”

Strategic News Service chief executive officer Mark Anderson added:

“Like many others concerned about global warming and the requirements of building out new alternative energy sources, we at FiRe have recognized the dramatic requirement for grid-scale batteries.

“These will have unique characteristics suited to the maintenance, cost, and performance associated with mammoth scale. 

“We are delighted to present RedFlow as one of our FiReStarter companies this year, with a solution for this problem that can help the planet with this critical project.”
Future in Review is a world leader in exploring how technology drives the world economy and in using technology to solve major social challenges.

It will take place from 6th October to 9th October 2015, at the Stein Eriksen Lodge Deer Valley in Park City, Utah.

ZBM advantages

RedFlow’s ZBM batteries are available now and that they offer substantial technical and environmental advantages over Lithium-ion and Lead-Acid batteries especially when paired with renewable energy sources.

Its 48V DC modules are also easily and rapidly integrated into Telco and off-grid DC based micro-grid applications.

A key differentiator of RedFlow’s ZBM is its capability to operate as a daily full-discharge, full-power workhorse that thrives upon being fully cycled each day.

The maintenance-free lifetime energy throughput of a flow battery is insensitive to variations in daily cycle depth.

In contrast, conventional Lithium-ion and Lead-Acid batteries are highly sensitive to discharge depth.

The overall lifetime of traditional batteries is also a complex function of the depth of discharge that is engaged by the energy application. A large proportion of their battery capacity must be reserved simply to ensure an adequate operating lifetime.

Further, these traditional cell types are temperature sensitive, requiring complex thermal control mechanisms and risking damage due to overheating or thermal runaway should the control mechanisms fail or the environmental conditions become unexpectedly worse.

In contrast, RedFlow’s ZBM flow battery offers unique technical and robustness advantages:

- Operating in harsh environmental conditions, including running in ambient temperatures up to 50 degrees celsius without external cooling systems;
- Intrinsically safe, as their internal chemistry is naturally fire-retardant;
- ‘Smart’ batteries that self-protect when required. They cannot be overcharged;
- Can be charged and disconnected for extended periods, maintaining a 100% state of charge indefinitely, ready for later use;
- Can also be fully discharged and disconnected for storage purposes with no battery condition damage or degradation. By contrast, long-term storage of traditional batteries without an ongoing energy “trickle charge” input will render them into a ‘brick’;
- The internal modular construction of the RedFlow ZBM, based on a separation of electrode, electrolyte and control systems and constructed without rare-earth metals, produces a battery that can be recycled cost effectively and in an environmentally friendly manner. The RedFlow ZBM is also capable of in-field renewal to full operating capacity in the future via an electrode ‘stack swap’.

The RedFlow LSB assembles and integrates up to 60 RedFlow ZBM batteries into an intrinsically safe, high availability, grid-scale energy storage and delivery system with a capacity of up to 660 kWh per energy delivery cycle.

Any number of LSBs can be deployed together in order to scale energy storage and delivery to any required grid-scale requirement.

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