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Strategic Elements moisture powered battery progresses towards milliamp range

Published: 12:37 20 May 2021 AEST

Strategic Elements Ltd - Strategic Elements moisture powered battery progresses towards milliamp range
The company is also aiming to develop a screen printable battery ink prototype in the current quarter.

Strategic Elements Ltd (ASX:SOR) has reached several critical new development milestones for its moisture powered self-charging battery with shares as much as 9% higher intra-day to A$0.305.

Recent engineering success has accelerated the company’s demonstration of its battery ink technology powering an electronic device equipped with multiple sensors and Bluetooth low energy communication – which is now set for this quarter.

This milestone is critical because the ability to power connectivity is vital to enable wireless sensor networks and enables wearable and IoT devices to send data to other devices with greater computing and display capabilities (eg, mobile phones, computers).

The company has also progressed the development of its prototype battery pack producing over a milliamp of electrical current solely from moisture (humidity) which it expects to achieve in quarter three.

“Milliamp range a significant milestone”

Achieving milliamp range is recognised as a significant achievement in battery technology development as it dramatically expands the range of devices a battery can potentially power.

Strategic Elements managing director Charles Murphy said: “We have experienced substantial improvement in battery ink power output over the past few months.

“Bringing forward the milliamp demonstration milestone is a highly ambitious goal that will establish the battery ink as a leading printable battery technology if it can be achieved.

“Just as important in the near term is developing an ink that is able to be screen printed as this would open new avenues to potentially scaling the technology rapidly and significantly.”

The advanced graphene oxide-based ink enables extremely small, thin and lightweight battery cells to be printed onto surfaces such as glass and plastic.

Screen printable battery ink prototype

The company is aiming to develop a screen printable battery ink prototype in the second quarter of 2021.

In recent times, global electronics companies have adopted the screen-printing technique to print large sheets of miniature electronic components (down to micrometre size) on materials such as plastic.

It is now an established low-cost industrial scale manufacturing method to print large batches of miniature electronics and ideally suited to provide a method for potential industrial scale manufacturing of miniature battery ink cells.

The company is developing its battery ink is being by integrating significant existing ink formulation and printed electronics intellectual property from its Nanocube Memory Ink technology with an advanced graphene oxide material – which enables extremely small, thin and lightweight battery cells to be printed onto surfaces such as glass and plastic.

Scaling battery size and increasing output

Strategic Elements is also developing its capability to scale down the battery ink cells in size, which means that more batteries can be assembled in the same space - leading to increased density of power output.

The recent materials engineering success has further enhanced the potential for an ongoing substantial increase in power output and if a screen printable battery ink is successfully produced in Q2, the company will proceed to investigate pathways to generating a significantly larger amount of power output than has been contemplated to date.

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