Showing posts with label Sustainability. Show all posts
Showing posts with label Sustainability. Show all posts

Sunday, June 11, 2023

Atomic Layer Deposition: Revolutionizing Battery Performance with Nanotech Precision

The ALD Process Offers Promising Solutions for Extended Battery Life and Enhanced Stability

In recent years, the demand for high-performance batteries has soared due to the growth of electric vehicles, renewable energy systems, and portable electronic devices. To meet these demands, researchers have turned to atomic layer deposition (ALD), a nanotechnology-based process that enables precise control of thin film materials at the atomic scale. ALD has shown great promise in boosting battery life and improving stability.

One of the major challenges in battery development is maintaining the structural integrity of electrodes during charge and discharge cycles. ALD addresses this by creating protective coatings on electrode materials, such as alumina or titania. These coatings prevent unwanted reactions and stabilize the solid electrolyte interphase (SEI), improving cycling stability.

ALD also improves electrolyte performance by creating hybrid organic-inorganic electrolytes with enhanced ionic conductivity and thermal stability. These electrolytes offer potential for safer and more efficient batteries, especially in high-temperature applications. Additionally, ALD enables the fabrication of advanced electrode materials with tailored nanostructures, boosting electrochemical performance.

Full article: Atomic Layer Deposition: The Nanotech Boost for Battery Life -

Friday, May 12, 2023

Assessing the Environmental Impact of Atomic Layer Deposition (ALD) Processes and Pathways to Lower It

ALD is mainly deployed in high-volume manufacturing in two industrial segments - semiconductor manufacturing and photovoltaics and specifically silicon-based solar cells. Other applications exist but do not yet use anywhere near the amount of processing equipment or plants or electrical energy, gases, chemicals, cooling, ventilation, and clean water. This is why it is important to understand the environmental footprint of ALD in those two industries as a whole and also the contribution from ALD. Here is a good paper breaking down the issues in a systematic way and coming up with some conclusions - three main routes to lower the environmental footprint of ALD.

Assessing the Environmental Impact of Atomic Layer Deposition (ALD) Processes and Pathways to Lower It

Matthieu Weber*, Nils Boysen, Octavio Graniel, Abderrahime Sekkat, Christian Dussarrat, Paulo Wiff, Anjana Devi, and David Muñoz-Rojas
ACS Mater. Au 2023, XXXX, XXX, XXX-XXX
Publication Date:April 27, 2023

Due to concerns on resources depletion, climate change, and overall pollution, the quest toward more sustainable processes is becoming crucial. Atomic layer deposition (ALD) is a versatile technology, allowing for the precise coating of challenging substrates with a nanometer control over thickness. Due to its unique ability to nanoengineer interfaces and surfaces, ALD is widely used in many applications. Although the ALD technique offers the potential to tackle environmental challenges, in particular, considerations regarding the sustainability of renewable energy devices urge for greater efficiency and lower carbon footprint. Indeed, the process itself has currently a consequential impact on the environment, which should ideally be reduced as the technique is implemented in a wider range of products and applications. This paper reviews the studies carried out on the assessment of the environmental impact of ALD and summarizes the main results reported in the literature. Next, the principles of green chemistry are discussed, considering the specificities of the ALD process. This work also suggests future pathways to reduce the ALD environmental impact; in particular, the optimization of the reactor and processing parameters, the use of high throughput processes such as spatial ALD (SALD), and the chemical design of greener precursors are proposed as efficient routes to improve ALD sustainability.

Based on the literature review and the green principles applied to ALD depicted in this work, three main routes toward ALD processes with lower environmental impact could be deduced and should be applied where possible:
  1. The thorough optimization of the processing parameters and the reactor design and its infrastructure would drastically lower the undesired wastes and emissions. Computational simulations, machine learning, and artificial intelligence can, for example, be applied to optimize ALD processes faster than ever, as the saturation times can be precisely predicted using these innovative tools.
  2. High throughput processes such as SALD applied at atmospheric pressure could lead to depositions that are orders of magnitude faster and lower the overall energy budget and related emissions.
  3. The chemical design of greener precursors would have the largest impact as it could reduce the overall environmental impact: from the raw material extracted and the (limited) number of greener chemistry synthetic steps resulting in the precursor molecules to the thermal budget related to the deposition temperature, and to the emissions of less polluting byproducts.

Thursday, September 29, 2022

The Semiconductor Climate Consortium founded by SEMI and memebers

The Semiconductor Climate Consortium publicly recognizes the challenge of climate change and works to speed industry efforts to reduce greenhouse gas emissions in individual company operations, across the value chain, and in other sectors of our value-chain, including the industries our products enable.

We believe that member companies, with our accumulated knowledge and innovative technology, working collaboratively will accelerate solutions for environmental challenges. Working together, we will address and solve issues no one company can do alone.

The Semiconductor Climate Consortium drives progressive climate action through collaboration and alignment, measuring and reporting, and setting ambitious target for Net Zero to keep global climate change within 1.5°C.

More information on the consortium and on how to join you may find here: Semiconductor Climate Consortium | SEMI

There is also a 2-year effort for Start-Ups that started already a year ago, where AlixLabs and NSS Water from Sweden participated with groundbreaking technology and reached the Pitch Semifinals with 18 other contenders. The 9 winners are announced here (and below): Startups for Semiconductor Sustainability Finalists Announced in Next Step to Greener Chip Industry | SEMI