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December 23, 2024
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Precious metals powering AI – the unsung foundations of the tech revolution


Artificial intelligence has rapidly grown from a far-fetched concept to a reality that is now a part of every aspect of our lives. Estimates show that by 2027, the AI market will be worth $407 billion, up from a mere $86 billion back in 2022. Amid the buzz surrounding AI, however, there’s a crucial yet often overlooked element fueling this tech revolution – precious metals.

When people think about AI, complex algorithms and data often steal the spotlight, but it’s the precious metals – such as gold, silver, and platinum – that silently power the hardware behind AI’s remarkable feats. Without them, these cutting-edge technologies would be mere pipe dreams.

But how do these precious metals make the AI revolution possible? What makes them useful in the development and deployment of AI systems?

The Unique Properties of Precious Metals 

Precious metals like gold, silver, and platinum have a unique combination of properties that make them indispensable in AI and advanced computing technologies. These include:

  • Superior conductivity: Gold and silver rank among the best conductors of electricity. This property is crucial for the intricate electronic components that form the backbone of AI hardware. Gold’s exceptional conductivity makes it a prime choice for connectors and critical circuit components, while silver, with the highest electrical conductivity of all metals, is often used in conductive inks and pastes for intricate circuit designs. These metals ensure efficient and reliable data transfer, enabling AI systems to perform complex calculations and process vast amounts of information with unparalleled speed and accuracy.
  • Thermal stability: Precious metals like platinum maintain their structural integrity and performance at extremely high temperatures. This makes them useful for creating AI hardware components that can withstand and function effectively in demanding environments.
  • Durability and resistance to corrosion: AI systems require components that can withstand the test of time and operate reliably under harsh environments. Precious metals like gold and platinum, which are highly resistant to corrosion and wear, ensure that the electronic components in AI systems remain functional over extended periods. 

Precious Metals in AI Hardware and Infrastructure

The insatiable demand for computational power in the AI industry has led to the widespread adoption of high-performance computing (HPC) systems and large-scale data centers. These facilities are the backbone of modern AI infrastructure, housing vast arrays of processors, memory modules, and storage units. 

High-performance Computing and Data Centers

At the heart of HPC systems and data centers lie powerful CPUs and GPUs, which are responsible for executing the complex calculations and algorithms that drive AI applications. For instance, big banks targeting real-estate investors use high-priced GPUs to find and qualify the right investors through predictive analytics and market analysis. These GPUs rely heavily on gold and silver for their intricate circuitry.

Gold’s exceptional conductivity makes it ideal for bonding wires and interconnects in CPUs and GPUs. It ensures efficient signal transmission and minimizes energy loss, which is critical for high-frequency operations in modern CPUs and GPUs. 

On the other hand, silver’s thermal conductivity, second only to that of diamond, helps dissipate heat generated by densely packed transistors, preventing performance degradation and prolonging component lifespan. 

The corrosion resistance of gold and silver also protects delicate circuitry from oxidation, ensuring long-term reliability and longevity in harsh operating environments.

In data storage, platinum is used in the manufacturing of hard disk drives and solid-state drives. It helps improve the magnetic properties of the storage media, allowing for higher data density and faster read/write speeds. 

Additionally, platinum-based cooling systems, such as heat sinks and liquid cooling solutions, efficiently dissipate the immense heat generated by powerful processors. This helps maintain the optimal operating temperature of servers and data centers, ensuring the longevity and proper functioning of the sensitive electronic components.

Sensors and Internet of Things (IoT) Devices

Sensors and Internet of Things (IoT) devices are another area where precious metals play a vital role in AI applications. These devices, which are essential for collecting and processing data in real-time, often incorporate precious metal components for their conductive and catalytic properties.

Gold, for instance, is often used in the electrodes of sensors and in micro-electromechanical systems (MEMS) to ensure precise signal transmission and reception. Silver, with its superior electrical properties, is frequently used in the conductive paths of IoT devices to ensure efficient communication between sensors and AI algorithms. These sensors and devices collect and transmit data, which AI applications analyze to make informed decisions.

The malleability of gold and silver also allows for intricate designs and microscale fabrication, enabling the development of increasingly compact and sophisticated sensors and MEMS devices. 

Platinum, on the other hand, is used in various sensors due to its stable and accurate response to environmental changes, making it ideal for AI systems that require precise data inputs. 

The corrosion resistance of these precious metals also protects delicate sensors and other electronic components from environmental factors, ensuring long-term performance and reliability in harsh or outdoor conditions.

The Future of Precious Metals in AI

With more and more businesses looking to leverage data and advanced analytics for competitive advantage, precious metals will play an increasingly crucial role in enabling and shaping AI’s evolution. 

According to the World Gold Council, Q1 2024 has seen a 10% increase in the demand for gold in the technology sector. This is all the more surprising after a weaker Q1 2023, but the increase in AI-enhanced laptops, smartphones and the infrastructure needed to run AI in the first-place, is fueling this boom. 

For instance, quantum computing, a field that promises to revolutionize computational capabilities, is already exploring the potential of precious metals. Superconducting qubits, the fundamental units of quantum computers, often rely on materials like niobium and aluminum, but precious metals like gold, platinum, and even europium are also being explored for their unique properties.  

Similarly, neuromorphic computing, which aims to mimic the human brain’s neural networks, may benefit from the use of precious metals. Gold and silver nanoparticles are being researched for use in synaptic transistors, which replicate the brain’s synapses. These metals’ excellent conductive properties facilitate the creation of highly efficient and low-power neural networks.

Additionally, platinum and palladium are being investigated for their potential to develop memristors, which are essential for emulating neural pathways. The continued exploration of these metals in neuromorphic computing could lead to breakthroughs in creating more advanced and energy-efficient AI systems.

Environmental and Economic Impact of the Use of Precious Metals in AI

One of the primary environmental impacts of using precious metals in AI is the mining process itself. The extraction of these rare materials from the Earth’s crust can lead to significant environmental degradation, including habitat destruction, water pollution, and greenhouse gas emissions. 

The energy-intensive nature of mining operations further exacerbates these ecological challenges, contributing to the overall carbon footprint of the AI industry.

From an economic perspective, the reliance on precious metals for AI hardware and infrastructure poses supply chain risks and potential price volatility

As the demand for these materials increases, their scarcity could drive up costs, making AI technologies more expensive and potentially limiting their accessibility and adoption. 

For instance, while demand for these metals is already high (gold prices could cross the $2,500 mark this year), it will hit the roof when governments decide to update their infrastructure, resulting in massive GPU and CPU purchases. This could end up making AI tech inaccessible to small businesses without huge budgets to splurge on new tech. 

Additionally, geopolitical factors and trade tensions can disrupt the supply chain, leading to economic instability and potential bottlenecks in AI innovation.

Prioritizing Sustainability

Balancing technological advancement with sustainability is a critical challenge that must be addressed. While precious metals play a vital role in enabling AI capabilities, the industry must prioritize responsible sourcing, efficient resource utilization, and the development of eco-friendly practices. 

Luckily, efforts towards responsible sourcing and recycling of precious metals are gaining momentum. Many companies are implementing closed-loop recycling systems to recover and reuse precious metals from end-of-life electronic devices, reducing the demand for newly mined materials. 

Additionally, initiatives focusing on ethical mining practices (such as the Responsible Gold Mining Principles), fair labor standards, and transparent supply chains are becoming increasingly important in the AI industry.

Wrapping Up

As AI continues to shape our world, the humble yet indispensable role of precious metals should not be overlooked. These rare materials are the foundations upon which the technological marvels of the future will be built, powering the next generation of intelligent systems that will transform our lives in ways we can scarcely imagine.

However, as we harness the power of these rare materials, we must also prioritize sustainability and responsible sourcing practices to strike a balance between technological innovation and environmental stewardship.

Disclaimer: The views expressed in this article are those of the author and may not reflect those of Kitco Metals Inc. The author has made every effort to ensure accuracy of information provided; however, neither Kitco Metals Inc. nor the author can guarantee such accuracy. This article is strictly for informational purposes only. It is not a solicitation to make any exchange in commodities, securities or other financial instruments. Kitco Metals Inc. and the author of this article do not accept culpability for losses and/ or damages arising from the use of this publication.



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