Everyone is looking at lithium. We track it, we stockpile it, and we write policy papers about it. But while we obsess over the shiny metals, we are sleepwalking past a much darker, simpler vulnerability. High-purity carbon, the stuff that actually makes batteries store energy and filters keep air breathable, is almost entirely controlled by a single competitor. And right now, we don’t have a plan B.
The answer to this dependency lies not in digging more holes in the ground, but in the waste we already generate. If we can turn sugar cane and coffee grounds into weapon-grade industrial inputs, we solve a supply chain problem while simultaneously changing the strategic map of the Indo-Pacific.
Key takeaway
Australia holds a strategic ace card it hasn’t played yet: our agricultural sector. The global market for high-performance carbon is dangerously concentrated in China, creating a single point of failure for everything from EVs to submarines. The fix lies in biogenic conversion rather than mining. By treating agricultural waste as a strategic asset, we can build a decentralized, sovereign supply chain for advanced materials that outperforms traditional graphite and immunizes our defence capability against trade coercion.
Table of Contents
To explore this theme in depth, listen to the latest episode of the Intelligence; Optimised Podcast, where Mark Livings, founder of Sweet Atoms, joins host Todd Crowley to discuss the critical intersection of agricultural waste, material science, and national sovereignty.
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We are fixing the wrong supply chain problem
There is a dangerous assumption in modern procurement: if you secure the lithium and the chips, the rest will take care of itself. It won’t. Inside every battery cell, every CBRN filter, and every advanced composite, there is high-purity carbon. And right now, the odds are overwhelming that this carbon came from a Chinese processing plant.
We talk about sovereign capability, yet we build it on a foreign foundation. Advanced carbon dictates the performance of the platform, defining how fast the drone charges, how effective the rebreather is, and how stealthy the hull remains. Our collective hunger for these materials is rapidly outpacing traditional supply. The electrification of defence and the push for renewables has created a demand spike that mining simply cannot meet safely or quickly. If that supply line is cut, or even just squeezed by price hikes, our stockpiles of other critical minerals become expensive paperweights. We need to stop treating carbon like a commodity and start treating it like the technology product it is.
Turning farm waste into a strategic stockpile
The logistics of mining are brutal. You dig a massive hole, usually in the middle of nowhere, and build a fragile rail and port network to move heavy rocks halfway across the world. It is a big, static target. Innovative material science is flipping this logic on its head. Instead of a mine, picture a sugar mill in regional Queensland. It is already there. It already has power. And it produces mountains of bagasse waste every season.
By co-locating carbon processing with these agricultural hubs, we turn waste into weapon-grade material at the source. Beyond clever engineering, this represents strategic brilliance. It creates a distributed network of production nodes that is incredibly hard to knock out. A storm or a strike might take down one node, but the web survives. It turns our rural sectors into advanced manufacturing corridors, reducing the logistical drag and creating a supply chain that is “many-to-many” rather than “one-to-many.” For defence planners, this is the definition of resilience.
Performance is the only metric that actually counts
Let’s be honest about “green” materials. In the defence and critical industry sectors, nobody buys a product just because it is environmentally friendly. They buy it because it works. If a biogenic battery anode degrades faster than a synthetic one, it stays in the lab. The reason this conversation matters right now is that the biology is winning.
Nature is a better engineer than we give it credit for. Biologically derived carbons have complex, naturally porous structures that are hard to replicate synthetically. Data indicates that Sweet Atoms’ “Clean Shift” hard carbon anodes are showing double the capacity of current market leaders. That is a massive jump. It means a radio pack that lasts two days instead of one, or a grid storage battery that takes up half the space. And because these anodes don’t require metal, they take pressure off the lithium squeeze. Far from a simple ESG narrative, this is a hard-power reality about fielding better hardware than the adversary.
Elastic Diamond is the material science breakthrough we need
If you work in materials, you know the heartbreak of glassy carbon. It handles heat beautifully and ignores chemicals, but it shatters if you look at it wrong. It has always been a “nearly” material: great on paper, nightmare in practice.
The industry has recently cracked the code with a material known as “Elastic Diamond.” This involves modifying the microstructure to keep the heat resistance (up to 2,900°C) and the inertness, but making it flexible. This changes the geometry of what we can build. Suddenly, you have a lightweight, electrically conductive heat shield for hypersonic vehicles that can actually flex with the airframe. You have a liner for hydrogen tanks that prevents the gas from leaking out at the atomic level. You have anti-fouling coatings for hulls that don’t chip off. This is the kind of deep tech capability that usually dies in the “valley of death” between research and commercialisation. We need to make sure this one crosses the bridge.
Why sovereign carbon is the ultimate insurance policy
We spend a lot of time modelling risk. What happens if there is a blockade? What happens if tariffs hit 200 per cent? Currently, the answer for batteries and filtration is usually “we run out,” a reality that sovereign carbon capability fundamentally alters.
If Australia can produce its own anode materials and activated carbons, we immunize ourselves against the most common forms of economic coercion. We secure the inputs for our own water security and energy storage. But more importantly, we become a guarantor of supply for our partners. The AUKUS alliance needs interoperability, but it also needs interchangeable industrial bases. If we are the ones supplying the high-performance carbon for allied battery chemistries, our diplomatic weight increases. We move from being a vulnerable customer to a critical node in the global security architecture.
What a low-drama implementation looks like in public and critical sectors
- Change the Definition. Update procurement guidance to specifically flag high-purity, biogenic carbon as a strategic material. If your policy only says “graphite,” you are missing the point.
- Look Down the Chain. Primes need to audit their sub-tiers. Ask the hard question: where is the carbon in your battery or filter coming from? If the answer is vague, treat it as a risk.
- Test the Tech. We need to bridge the gap between “commercial ready” and “mil-spec.” Get the DSTG to run “Elastic Diamond” and hard carbon anodes through the grinder of qualification testing immediately.
- Be the Anchor. Government doesn’t need to nationalise factories, but it should use offtake agreements to signal demand. Give these companies the revenue certainty they need to scale production.
- Standardise Early. Work with the US and Japan to ensure our biogenic carbon standards match their industrial requirements. Make the export path frictionless.
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Risk, assurance and policy fit for Australian programs
There is always a risk when you switch feedstocks. A battery anode made from this year’s sugar cane harvest needs to perform exactly the same as one made five years from now. Governance frameworks need to be tight on lot acceptance testing and provenance tracking. We need to know exactly which batch of biomass went into which batch of batteries.
Then there is the IP. The “recipe” for these materials is a national asset. It needs to be guarded like one. This means strict adherence to the Protective Security Policy Framework (PSPF) and the Information Security Manual (ISM). As these companies grow, they effectively become critical infrastructure. We need to ensure their capital structures remain aligned with national interests, which means the Foreign Investment Review Board needs to be paying attention.
Metrics that matter for benefit realisation
Forget about tonnes produced. That is a mining metric. In advanced manufacturing, we care about operational impact. For energy programs, track the energy density improvement – are we getting that double capacity? For sustainment, measure the maintenance intervals on vessels using these new coatings.
Strategically, the metric is autonomy. What percentage of our battery and filtration inputs are sourced domestically or from trusted partners? If we can move that number from 10 per cent to 50 per cent in three years, we have tangibly reduced our geopolitical risk profile.
Indo-Pacific resilience through specialisation and partnership
Resilience implies smart specialisation, not every nation building everything. Australia is the region’s agricultural superpower. By leveraging that strength to produce advanced materials, we provide a service to the neighbourhood.
Think about disaster relief. Portable water filtration is critical. If we can deploy systems powered by Australian super-activated carbon – which can be replenished with locally produced biomass charcoal in the field – we offer a level of resilience that disposable, imported filters can’t match. We strengthen the region by exporting autonomy, rather than limiting our support to aid.
What leaders should do this week
For government readers:
Commission a rapid scan of the Critical Minerals Strategy. Does it explicitly include biogenic advanced carbon? If not, fix it. Then, push the Defence Science and Technology Group (DSTG) to prioritize testing flexible glassy carbon for current hypersonic programs.
For industry executives:
Sit down with your engineering leads and ask about your graphite exposure. If your product roadmap relies on lithium-ion batteries or advanced composites, you need to talk to Australian biogenic carbon producers now. Lock in your allocation for pilot programs before the capacity gets soaked up by someone else.
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