CONNECT: ACES NEWS / SPRING 2013

MEETING THE GLOBAL ENERGY CHALLENGE Conversion and storage breakthroughs

FACES OF ACESNaoki Tachikawa and Jun Chen

FIBRES OF THE FUTURESmart fabrics for wearable devices

ACES NEWS | 2

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The ACES Newsletter provides news from the Centre’s six research nodes. It is published four times per year.

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In this issueCleanTech grant for ACES .......................................... 3

Cover Story - Energy conversion and storage ....4, 5

Faces of ACES .................................................................6

Trip notes ......................................................................... 7

Events ................................................................................8

MESSAGE FROM THE DIRECTOR: ACES on the Verge

It is indeed an interesting time. We are currently actively engaged in bidding for continuing ARC Centre of Excellence funding and status. We also continue to

build effective conduits for translation of our research through Cooperative Re-search Centre Engagement and through ARC Linkage Hub program discussions.

Through all of this we continue to produce world class research outputs. This issue highlights some of those outputs in Energy Conversion and Storage. This is an area wherein ACES has a suite of projects at different stages of develop-ment from the highly exploratory to the applied. The latter activities are funded through appropriate industrial linkages. For example, our current work in solar cells is funded by the CRC (Polymers) and in more applied aspects of water split-ting through the ACES spin off company Aquahydrex.

The research environment provided by these integrated activities is exceptional. It provides an exceptional training environment and a “can do - how to” approach to research commercialisation.

Best wishes

Professor Gordon G Wallace

Australian Laureate Fellow ARC Centre of Excellence for Electromaterials Science (ACES) gwallace@uow.edu.au @GordonGWallace

ACES NEWS |3

NEWS

The next generation of electromaterials that will form the basis for high-tech manufac-

turing in the Illawarra is being forged in the labs of the University of Wollongong, more than 100 years after the first copper anodes were produced using then advanced electromateri-als technology at Port Kembla.

These next generation materials, being devel-oped in partnership with the multi- institutional Australian Research Council Centre of Excel-lence for Electromaterials Science, will drive the change in the region’s traditional low-cost high-volume manufacturing to specialised high tech production.

The spin-off company AquaHydrex (based on technology originating from ACES) has been awarded $2,273,498 under the Clean Technol-ogy Innovation program for its revolutionary technology to produce low-cost hydrogen with a greatly reduced carbon dioxide footprint, which will make a cost-competitive alternative

to fossil fuel-based hydrogen.

Clean technology alternatives for energy production that are low cost will help industry and business move to low-carbon future and remain sustainable, competitive and increase productivity. More than 65 million tonnes of hydrogen is used globally annually.

The $200 million Clean Technology Innova-tion Program provides grants to innovative businesses to help them develop new clean technologies to transform our clean energy fu-ture, help reduce operating costs and help the business be more competitive and sustainable. “We in ACES are committed to the ongo-ing transition of research into commercial benefit for Australia,” Professor Wallace said. “AquaHydrex is an excellent example of that approach. This is the first of many new com-mercial ventures we plan to help emerge from fundamental research.”

An international research team has devel-oped a novel way to turn small fibres into

powerful batteries with ultrafast charge and discharge rates. These fibres can be woven into a fabric for wearable electronics.

The research development, published in the journal Nature Communications, describes a flexible, wearable supercapacitor yarn that delivers high energy and power densities. Researchers have produced a yarn consisting of hundreds of layers of electrically conducting carbon nanotubes plied with a metal wire to increase power generation capabilities.

A novel method of scrolling the fibre to form the yarn increases its energy storage and energy delivery capacity. The yarn’s flexibility means it can be used in wearable or integrated electronic devices such as clothing that can double as a power source for electronics that monitor human movement.

The mechanical properties of the yarn mean it can add strength to composites often used in automotive components. The international col-laboration comprised scientists from Hanyang University, Seoul, South Korea; the Australian Research Council Centre of Excellence for Elec-tromaterials Science, Wollongong, Australia; and the University of Texas at Dallas, USA.

Researchers Develop Smart Fabric for Wearable Devices

Dr Javad Foroughi and Professor Gordon Wallace

Federal Government Support for Clean Energy Tech

CleanTech team: Prof Doug MacFarlane, Prof Gerry Swiegers, Prof Gordon Wallace and Dr Paul Barrett

UOW Vice-Chancellor’s Award for ACES Energy Researcher Prof Hua Kun Liu

Professor Hua Kun Liu (UOW) was this month (August) awarded a Vice Chancellor’s Award

for Excellence in Research. Professor Liu joined UOW in 1993 and has been a significant con-tributor to the field of battery research through her work with the Institute for Superconduct-ing and Electronic Materials.

Professor Liu initiated the ener-gy materials research program at UOW and her early work consisted of the synthesis and characterisation of inorganic materials and in theoretical chemistry. The award is the recognition of the achievements of the energy materials research

program team and its contributions to the field.

“I thank all members of the energy materials research program for their contributions and

to all people of ISEM and IPRI for their support to the energy materials research program,” Professor Liu said.

“The field of energy storage research is targeting clean energy production, which is very important to the society as the world population and eco-nomic growth increase energy

consumption. Environmental protection is the major challenge facing society. It is exciting

that many governments have investment and ‘clean energy’ industry growth will certainly improve global air quality.”

Professor Liu has been working with ACES since 2003, She is currently a key researcher for Auto CRC 2020 program for energy storage, which is aiming at achieving high energy den-sity, high power density, safety and long cycle life lithium ion batteries for electric vehicles. “The rechargeable metal-air batteries would probably have some big breakthroughs as many governments and hundreds companies worldwide are currently active on automotive and batteries.”

▪ Read more about Prof Liu’s work on page 5

ACES NEWS | 4

range of applications and it is more easily manufactured than metal semiconductors.

“The system we designed, including the materi-als, gives us the opportunity to design various devices and applications using sea water as a water-splitting source. “The flexible nature of the material also provides the possibility to build portable hydrogen-producing devices.”

▪ Read more about Jun Chen on page 6

Harvesting Energy: Thermocells

Harvesting heat already produced in industrial or geothermal processes, such as waste heat from power stations and even vehicle exhaust pipes, that would otherwise be untapped, is emerging as an attractive method of partially relieving reliance on fossil fuels.

The technology this is based on is a “ther-mocell”, which harnesses the thermal energy from the difference in temperature between two surfaces and converting that energy into electrical energy. In a collaborative project lead by ACES researchers Dr Jenny Pringle of Deakin University and Professor Doug MacFar-lane, Monash University, PhD student Theodore Abraham developed a thermocell device with the highest power outputs yet reported and no carbon emissions.

The breakthrough includes the development of a novel ionic liquid-based redox electrolyte that can work at elevated temperatures typi-cal of important heat sources, as opposed to water-based systems which cannot operate at temperatures above 100 degrees Celsius. The device offers the possibility of cheap and flex-ible device design suitable for harvesting waste heat between 100- and 200-degrees Celsius.“The major benefit of a thermocell is that it harnesses energy that is already readily out there; you’re just harnessing energy that is oth-erwise lost to surroundings” Mr Abraham said.

Dr Pringle said: “The advance we made with this system was that we are generating more electrical energy than any previous power cell in this temperature range.”

ACES Director Professor Gordon Wallace said: “It takes a multitude of skills to tackle complex issues as encountered here. Our unique research environment within ACES provides an opportunity to acquire these skills in a cutting edge research environment.” Recent develop-ments in the project have attracted worldwide attention

Storage: building a better battery

Unlike coal-fired power stations, renewable energy sources do not provide an uninterrupted supply of power. This makes sense when con-sidering the sources of the power – sun or wind, for example - are not constant over a 24-hour period. This problem is known as intermittence. Existing energy distribution infrastructure actually contains nearly zero energy storage capacity, meaning that the energy generated needs to be used. If the goal is to run an entire city on solar panels, for example, there needs to be a way of storing a portion of the electric-ity generated during the day to use at night when the panels are not active.

ACES switched on for global energy challenge

You need only look at your electricity bill to know something is awry with how we are producing and consuming energy.

Energy costs are continually rising and so is our reliance on fossil fuels to provide the bulk of our daily power needs that underpin the high standard of living enjoyed in Australia.

The global challenge then is to find cost-ef-fective and efficient ways of producing energy that are less harmful to the environment while at the same time securing our long-term eco-nomic, environmental and social well being.

To this end the Australian Research Council Centre of Excellence for Electromaterials Science is addressing the dual challenges of developing new and novel ways of producing and storing energy. While developing new solar systems is an ongoing focus for ACES research groups at the University of Wollongong, Monash and Deakin universities, researchers have also made significant strides in producing hydrogen fuel from water and using ther-mocells to harvest electrical energy from heat sources.

Energy Conversion: turning ocean water into hydrogen

Solar generation of hydrogen is one of the ultimate fuel technologies. When hydrogen is burned it produces only water and it can be generated through the electrolysis of water. In the short term this could be achieved using so-lar electricity. In the longer term we could use a cell that integrates solar energy absorption and water electrolysis.

Highly efficient catalysts are the key to this process and an ACES team led by Associate Professor Jun Chen has developed a novel catalyst that opens up a whole new water split-ting dimension: sea water. Current water split-ting using highly purified water that is scarce in many parts of the world. Using this sea water splitting method, as little as five litres of sea water per day would produce enough hydrogen to power an average-sized home and an electric car for one day.

Professor Chen and the ACES team have devel-oped a light-assisted catalyst that requires less energy input to activate water oxidation, which is the first step in splitting water to produce hydrogen fuel. A major limitation with current technologies is that the oxidation process needs a higher over-potential input, which rules out using abundant sea water because it pro-duces poisonous chlorine gas as a side product under operational conditions.The research team produced an artificial chlo-rophyll on a conductive plastic film that acts as a catalyst to begin splitting water. Lead author, Associate Professor Jun Chen, said the flexible polymer would mean it could be used in a wider Thermocells convert temperature differential between

two surfaces into electrical energy

Tim Khoo and the team at Deakin have been working on magnesium-air batteries

ACES NEWS | 5

COVER STORY

Enter the humble battery. Batteries are the most prominent energy storage devices in our lives, so it is little wonder that they have been put forward as a viable solution to the issue of intermittence encountered in renewable en-ergy sources and have been used as a reservoir to hold the energy generated by solar panels with varying levels of success.

ACES work on energy storage has been focussed on developing metal–air cells. These are based on harnessing chemical energy produced in reactions between the metal and oxygen. The oxygen is harvested from the atmos-phere allowing researchers to pack more metal and electrolyte into the cell producing a smaller, lighter cell with high energy density and the potential to significant-ly reduce pollution. Zinc and magnesium are two materials under the micro-scope for use in metal-air batteries.

Zinc: the forgotten workhorse?

Zinc is described as a “forgotten workhorse” because most of the batteries used for the last 100 years have been based on zinc. Zinc does not react adversely with water, unlike most of the more high-powered modern batteries, and while it provides less power to the user it opens avenues for novel battery design that aren't available with more reactive metals. Recent focus has been heavily on lithium and novel reactive metals, while zinc has been largely discarded despite its favourable engineering qualities.

The challenge associated with zinc-air batter-ies is generating a battery that is rechargeable. Our group is attempting to use new materials, and new research methodologies to tackle this 100 year old problem. The end goal of this research is to develop working rechargeable zinc cells, whether they use air or some other novel materials we are looking at. We are get-ting promising results in our early materials testing, and if that continues we'll be looking at prototyping or developing the technology further.

Magnesium

Magnesium-air batteries are a possible high-energy density power source that so far have not attracted strong commercial interest due to problems with corrosion of the magnesium and evaporation of the electrolyte. Yet, mag-nesium is a low cost, light and abundant ele-ment, non toxic and relatively easy to handle. Theoretically they can supply 2.8 Volts power compared to 1.5 volts from readily available alkaline batteries.

The downside to magnesium is its volatil-ity. ACES researchers at Deakin University

have been developing new ionic liquid based electrolytes to improve stability and efficiency in magnesium-air batteries while at the same time negating unwanted reactions. In a recent breakthrough researchers manipulated the electrolyte composition so that a conduc-tive gel-like film formed at the magnesium-electrolyte interface. This allows the chemical reaction to continue and the battery functions. The gel substance crystallised when the bat-tery is not operating, preventing unwanted side reactions from the magnesium. Magnesium–air batteries have been made operational in the

lab and further developments in current density and efficiency would position

the technology for use as energy sources in important applica-tions ranging from biocompatible devices, communications, and

vehicle propulsion.

Flexible, implantable and ultra fast

The University of Wollongong-based Institute for Superconducting and Electronic Materials under ACES Chief Investigator Professor Hua Liu has also made several breakthroughs with different approaches to battery fabrication with a focus on biocompatible and implantable power sources.

Bionic devices such as sensors and artifi-cial organs require power sources that are biocompatible to enable them to be implanted in the body. Professor Liu’s team successfully investigated a zinc-polymer battery, which had thus far been rarely reported in scientific literature. Zinc is non-toxic in small doses and had good corrosion resistance properties mak-ing it a suitable candidate. To further enhance its biocompatibility, the researchers developed an electrolyte that simulates body fluids. The result was a small, long-life battery with a large discharge capacity and low current rate, making it a suitable candidate for implantable devices.

Professor Liu’s team further developed polymer electrodes with a all-polymer battery system based on conducting polymer and a polymer electrolyte. The rapid development and dependence on electronics coupled with growing concerns about natural resources and environmental impacts has driv-en research in this field. New work in medical devices has also created demand for safe and clean energy sources. The all-polymer system, with no metal current collector, is one way of satisfying both biomedical and environmental demands. After 50 cycles the all-polymer system’s discharge capacity was 76% of initial capacity, making it suitable for potential future

use in medical devices and biomedical systems.

The advent of the mobile phone and other consumer electronics has also created demand for ultra-thin, flexible and safe batteries. Traditional Lithium batteries, despite their high energy density and high output voltage are not suitable because they can crack or even explode when bent or impacted. Professor Liu’s team have developed a bendable lithium battery based on a graphene electrode that is suitable for rechargeable lithium-ion batteries. These batteries could be woven into cloth-ing or other applications wear flexibility is an important requirement.

Yet another elusive goal for energy research-ers has been to develop power storages with high energy density, high power, and high rate capability to drive electric vehicles. A lithium iron phosphorate composite shows the best performance, retaining 96% of its original discharge capacity beyond 1000 cycles and can be charged and discharged in 6 minutes, meet-ing the requirements of a low-cost high energy density lithium-ion battery for large-scale power applications such as electric vehicles.

Professor Lui joined the ACES Energy program in 2003 in collaboration with Professor Doug MacFarlane (Monash) and Professor Maria Forsyth (Deakin). Professor Liu was awarded a UOW Award for Excellence in Research this month. Professor Liu said the field of energy storage was exciting because it was target-ing clean energy supply to tackle the growing demand for energy through growing economies and populations. “Environmental protection is the major challenge facing society. It is exciting to see that many governments are investing in ‘clean energy’ and as this industry grows it will certainly improve global air quality.”

Where to now?

In the quest for enhanced performance energy generation and storage systems

it has become obvious that it is not just the

composition of indi-vidual components that is critical, ACES Direc-tor Professor Gordon Wallace says.

“Many of the advan-tages gained through the discovery of new composi-

tions and nanostructures can be lost during assembly of practically useful devices. With the advent of 3D printing and other additive fabrication tools we are now empowered to confront this challenge.

“Our new-found ability to fabricate multicom-ponent structures layer by layer has provided us with the ability to create customised struc-tures for energy conversion and storage.”

In the five years to the June quarter in 2012, Aus-

tralia’s retail electricity prices rose by 72%, while the price of gas and other household fuels rose by

45%.Source: Bureau of Resources and Energy Economics, 2012 Australian Energy Statistics

In 2010/11 energy use in Australia was derived from: Oil: 36 % Coal: 35 % Gas: 25 % Renewables: 4 % Source: Bureau of Resources and Energy Economics, 2012 Australian Energy Statistics

ACES NEWS | 6

Sea water can now be used as a water-splitting source thanks to a discovery made

by one of UOW’s recently appointed Associate Professors.

“It wasn’t until later in my career I realised that designing a meaningful protocol for experi-ments and getting all the apparatus to work was just as challenging as the chemical side of science,” Professor Chen said. “I am always curious about how chemical materials can make such a big difference to other things, and feel excited when I achieve good results in my experiments.”

Chen took up a post as an engineer in Marine Environmental Science after he finished his Bachelor of Chemical Engineering at the Zhe Jiang University of Technology when an oppor-tunity in academia came knocking. He moved to Australia from China to pursue his PhD in Chemistry ten years ago, and has stayed with UOW’s IPRI ever since.

“It was when I was looking for an opportunity to continue my postgraduate studies, that I was offered a UOW scholarship and had the privilege of studying under Professor Gordon Wallace in the area of conducting polymers,” Professor Chen said. The Senior Researcher’s main focus since then has been working on the latest innovation to come out of IPRI, a new

flexible polymer, whose pliable material has enhanced capa-bilities to build hydrogen-pro-ducing devices.

Since 2003, Pro-fessor Chen has been studying the electrosynthesis of novel conduct-ing polymers and how they can be used in energy conversion, such as hydrogen gas generation and in photovoltaic de-vices. During the course of his PhD, he was able to synthesise and characterise a wide range of novel conducting and electroactive polymers, as well as develop a new electrolytic cell system for hydrogen gas generation and solar cell system for photovoltaic (converting solar radiation to current electricity) applications.

“My main aim,” Professor Chen said, “is to explore the synthesis and characterisation of novel nanoelectromaterials in catalytic and bionic applications – particularly in collabora-

FACES OF ACES - MEET OUR RESEARCHERS

Associcate Professor Jun Chen (UOW)

Naoki is a Japan Society for Promotion of Science (JSPS) Fellowship holder, which

supports him to join a research group of his choosing outside of Japan. Naoki Tachikawa has chosen to take up an international Fellow-ship with the ACES Energy Program at Monash University since May 2012.

What university have you come from, where you are from and what you have studied so far?

tion with both internal and external research groups. Through the network established at ACES, IPRI and AIIM, I can see that my research will take me further down the path of an excit-ing Road-Map for innovative materials and Clean Energy Technologies.”

Professor Chen is currently collaborating with scientists from Massey University in New Zea-land and the University of Newcastle, as well as the CSIRO’s Division of Molecular Science on a two separate research projects.

Dr Naoki Tachikawa (Monash )project and has extensive knowledge and expe-rience. ACES researchers have an established collaboration with Professor Ray Baughman (University of Texas at Dallas), who is one of the leaders in the broad field of application of themocells. The cross-disciplinary collabora-tive networks available at Monash and ACES will be invaluable in furthering my career as a productive scientist.

In what ways are you being challenged through you PhD study and what is the most rewarding aspect of your work?By developing a deep understand of electro-chemistry in the ionic liquids, the novel concept thermocells will be developed. The concept of this project is innovative and original.

How does life and study in Australia compare to Japan?Life and study in Australia has given me a chance to learn a new perspective from people with diverse backgrounds. People at Monash are very friendly so I feel very welcome.

Anything else?I have become a fan of the Carlton Blues in the AFL. I love watching AFL with friends both on television and in person.

I received my PhD from Keio University, in Japan, in 2009. From 2009-2012, I worked at Yokohama National University, in Japan, as a postdoctoral fellow. I studied electrochem-istry in ionic liquids to provide a safer lithium secondary battery system. What is your current research project and why is that an exciting field to work in?The project is to develop high efficiency ther-mocells using unique materials (ionic liquids). The attached file is a graphical abstract. Based on temperature differences, the themocell directly converts thermal to electrical energy. Ionic liquids have a wide liquid temperature range, using them in thermocells allows access to a wide range of heat sources.

How will your research have real-world ap-plications?This thermocell system offers the potential of harvesting useful amounts of waste heat, for example from power plants or geothermals.

Why did you choose to come to ACES/Monash to further your research and how does being a part of ACES help you to ad-vance you scientific career?The Monash group has one of the best equipped laboratories in the world for carrying out this

ACES NEWS | 7

Professor Graeme Clark delivered a powerful and inspirational lecture about how electri-

cal stimulation of the brain gives speech under-standing to severely deaf people in Canberra on 2 June. Professor Clark’s was sponsored by ACES as part of The Australian Science: Global Impact series which features Australian super-stars of science and their world-changing work.

Professor Clark led the research that re-sulted in the first clinically approved multiple-channel cochlear implant, providing speech understanding in profoundly deaf people. His research also established that the implant provided effective speech perception and language in profoundly deaf children – the first major advance in helping these children com-municate in the past 250 years.

Associate Professor Simon Moulton (UOW, Bionics program) said Professor Clark spoke about the history behind the development of the Cochlear implant, particulary the relation-ship between researchers and the brave volun-teer patients, who became part of the research team. Without their help it wouldn’t have been possible to optimize the technology.

� ACES is a major sponsor of the ISE Satellite Student Regional Symposium on Electro-chemistry and the 19th Australia/New Zealand Electrochemistry Symposium (19 ANZES) on 25 and 26 November, 2013. The conference, under the theme “The Future of Australian and New Zealand Electrochemistry” covers a board range of electrochemistry topics and its focus on students and student presentations will be a valuable opportunity for young researchers to develop presentation skills at this level. ACES is hosting Professor Julie McPherson from Warwick University (UK) as an ACES-sponsored plenary speaker. The symposia will be held at CSIRO, Melbourne, Victoria. More: edaq.com/EDRACI/meetings

� Four hundred leading international me-chatronics scientists met in Wollongong over four days to discuss how robots can improve quality of life. The 2013 IEEE/ASME Interna-tional Conference on Advanced Intelligent Me-chatronics (AIM2013) was co-chaired by ACES Chief Investigator Professor Gursel Alici. International experts discussed state-of-the-art technology, new research results, future developments and innovative applications relevant to mechatronics, robotics, control, automation, and related areas. ACES Director Professor Gordon Wallace delivered the ple-nary lecture discussing how 3D printing was impacting biomedical device development.

� Researchers from the ACES Bionics team at St Vincent’s Hospital Melbourne took the wonders of medical bionics on the road through a recent public engagement session last month. Associate Professor Rob Kapsa, Dr Catriona Sinclair, Dr Anita Quigley and Rhys Cornock on presented an overview of bionics research being conducted at ACES to an audience invited by the Combined Probus Club of Burwood East in response to recent media interest in our work. About 80 members attended the session. The inquisitive audience wanted to learn first-hand how biofabrication technologies have been applied to tackling the problem of nerve and muscle disease/injury. A few days after the evening Probus representa-tive, Mr Barry Horn, wrote to the group: “All of the feedback I heard was very appreciative of the presentations and amazed at the work that you are doing.”

Professor Clark was the head of the bionics research program at ACES for many years and was instrumental in developing many of the connections between ACES and medical clinicians. He has been a long-time supporter and promoter of the research at ACES and to this day still maintains an interest in what we are doing.

“We can learn from Professor Clark to per-severe and never give up, despite the seem-ingly impossible hurdles that face us. We can appreciate that to make a real difference in medical area it takes time and dedication from a multidisciplinary team of researchers. Above all you must have a passion and a true belief in what you are doing will make a difference in many people’s lives.

“Listening to Graeme talk is all the inspiration I need. If you aren’t inspired by the end of his presentation then his final video slide showing the look on a young child’s face when they hear sound for the first time will definitely capture you.”

By Associate Professor Simon Moulton

Australian Academy of Science: Graeme Clark Lecture

Associate Professor Simon Moulton, Professor Graeme Clark and Professor Brian Schmidt

ACES DIARY

ACES Conference notes

IPRI Student Open Day

Summer Scholarships: Undergraduate students enrolled in third or fourth year in an Australian University in 2014 are encouraged to apply for a 10 week summer scholarship at IPRI. Those interested should register for the Open Day here and find out more about the scholarships here. IPRI Student Open Day, Tuesday, 27 August 2013, 2pm - 5.30pmProspective PhD students and undergraduate Science/Engineering/Medical students are invited to tour the labs, meet the researchers, find out about the PhD and scholarship op-portunities and enjoy a late afternoon BBQ.

More information: go to electromaterials.edu.au

University of Wollongong | Monash University | Deakin University | University of Tasmania | St Vincent’s Hospital

electromaterials.edu.au

DATE

10-18 August

12-14 August

15 August:

15 August

27 August

16 September

19 September

7 October

13-15 November

12-14 February 2014

EVENT

National Science Week (all nodes)

ACES-China: the Bionics Endeavour (University of Wollongong)

Tour the labs: IPRI Open Day (University of Wollongong)

Bill Wheeler Symposium (University of Wollongong)

IPRI future students Open Day (University of Wollongong)

NMR workshop (Deakin University)

ACES-Ireland (Australian Embassy, Dublin)

CAD for Additive Fabrication Workshop (University of Wollongong)

Asia Pacific Nanobionics Symposium (St Vincent’s Hospital Melbourne)

9th Annual Electromaterials Symposium, ACES (University of Wollongong)

aces event planner