Ilika Plc CEO Graeme Purdy on the launch of Stereax solid state battery technology

Ilika plc (LON:IKA), a pioneer in materials innovation and solid state battery technology announced today the launch of its Stereax™ M250 solid state battery. This is a new, miniaturised solid state battery technology for Internet of Things (‘IoT’) devices. Addressing the key challenge of always-on, self-charging and efficient energy, Ilika’s Stereax™ battery family will enable smaller, higher energy-dense batteries to accelerate IoT products to market.

CEO Graeme Purdy talks exclusively to DirectorsTalk about it’s new product launch – the Stereax solid state battery technology. Graeme explains where the word comes from, why there is an urgent need for combining energy harvesting and battery technology, why standard lithium ion batteries can’t be used for Internet of Things applications and whats next on the Ilika product roadmap.

As IoT devices move from concept to reality, providing small, energy efficient solutions for home automation, transportation and healthcare is now one of the key challenges. Ilika is empowering wider adoption of IoT devices through a ‘fit and forget’ design that enables IoT sensors to be fitted without further maintenance, including changing batteries.

“One of the key challenges for IoT devices is enabling long life energy-efficient power sources,” said Franco Gonzalez, industry analyst from IDTechEx. “The combination of energy harvesting and battery technology has been urgently needed to enable small, energy efficient solutions that can easily be installed across a wide range of locations with minimum maintenance.”

Solid state batteries are key to IoT since they can be used in conjunction with all the current energy harvesting technologies whilst being able to match the energy needs for IoT devices. Many IoT devices need power in short bursts to collect and transmit data, whilst being able to support a wide range of environment temperatures. Relative to standard lithium ion batteries, solid state batteries have lower leakage currents (10x smaller) and longer life spans of up to 10 years (4x longer). They can also be integrated with other electronic components keeping the size of the end device to a minimum.

“Many IoT devices will be deployed in places that are difficult to service on a regular basis so self-sufficiency is critical,” said Charlene Marini, vice president, segment marketing, ARM. “Ilika’s Stereax™ batteries can help as the technology will enable ‘leave for life’ IoT devices capable of producing data over extended periods with minimal maintenance. This is where the IoT starts to shed the power tether that could restrain its spread into new and exciting off-grid applications.”

Ilika has taken the solid state battery concept to the next level of evolution with its expertise in material development. Ilika Stereax™ batteries use patented materials and processes enabling superior energy density per battery footprint, up to 40% improvement on current solid state solutions, and increased temperature range support to over 100°C, 30°C higher than existing solid state products. Ilika’s batteries do not contain any free lithium which makes them more moisture resistant.

“Building on our R&D heritage in materials science, Ilika has been developing a range of materials that have enabled us to tailor battery designs that meet the specific needs of IoT” said Graeme Purdy, CEO, Ilika Plc. “For IoT devices to gain wide adoption they need to be able to be fitted then forgotten about, Ilika Stereax™ battery technology is a key to turning this into a reality.”

Ilika is demonstrating the capability of it’s the Stereax™ M250 battery in its perpetual beacon for temperature sensing at IDTechEX in Berlin between the 27-28th April 2016.

Appendix: Links to Ilika’s battery technology-related visuals on Ilika’s website

1. Infographic – battery technology for IoT:
www.ilika.com/images/uploads/general/stereax-infographic_v6.pdf

2. Ilika Stereax™ M250 visual in perpetual beacon demonstrator:
www.ilika.com/images/uploads/gallery/171/graphic-demonstrator__large.jpg

3. Battery construction diagram:
www.ilika.com/images/uploads/general/stereax_illustration_expanded_v1.pdf

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