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Anode Graphite: Cleaner, Greener Batteries

Written by Polina Martinuka
Published October 16th, 2024
6 min read

Summary

Vianode’s anode graphite is a high-performance, synthetic material designed for lithium-ion batteries, primarily used in electric vehicles. Produced with a focus on sustainability, it offers high purity, consistent quality, and improved battery performance, including enhanced energy density and fast charging capabilities.
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Details

Name
Anode Graphite
Date of establishment
2021
Organization

Deep dive

Introduction

The global shift towards clean energy has driven a rapid increase in demand for lithium-ion batteries, particularly in the electric vehicle (EV) sector. As governments set stricter emissions targets and consumers seek greener alternatives to traditional vehicles, the market for EVs continues to grow at an unprecedented rate. This transition to electric mobility relies heavily on advanced battery technology, where efficiency, capacity, and longevity are key factors.

At the heart of lithium-ion batteries lies the anode, a crucial component responsible for storing and releasing energy during the charging and discharging processes. The performance of the anode directly impacts the battery's overall capacity, charging speed, and lifespan, making the choice of anode material critical for battery manufacturers.

Specializing in anode graphite, Vianode focuses on delivering high-performance, eco-friendly solutions tailored to meet the evolving demands of the EV market. By producing high-purity synthetic graphite through cleaner and more sustainable methods, Vianode addresses two major challenges facing the industry: enhancing battery performance and reducing the environmental impact of battery production.

Background on Anode Graphite

Anode graphite is a vital material used in the production of lithium-ion batteries. Within the battery, the anode serves as the electrode where lithium ions are stored during the charging process and released during discharge. This movement of ions between the anode and cathode is what powers the battery, making the anode’s composition crucial for determining the battery’s performance, capacity, and lifespan. Graphite is the preferred material for the anode because of its ability to store large quantities of lithium ions, ensuring efficient energy storage and release.

Natural vs. Synthetic Graphite

There are two primary types of graphite used in anode production: natural and synthetic.

  1. Natural Graphite:

    • Natural graphite is mined from the earth and then processed for use in battery applications. While it is widely available, the quality of natural graphite can vary greatly, leading to inconsistencies in battery performance.

    • The mining and refining of natural graphite can have significant environmental impacts, such as habitat disruption, water usage, and chemical pollution from processing. Additionally, a significant portion of the world’s natural graphite is sourced from regions with less stringent environmental regulations, which raises concerns about sustainability and ethical sourcing.

  2. Synthetic Graphite:

    • Synthetic graphite, on the other hand, is engineered through a process that involves heating carbon-rich materials to high temperatures to create a pure, consistent form of graphite. This consistency is one of the key advantages of synthetic graphite, as it leads to better performance and reliability in batteries.

    • Synthetic graphite offers higher purity levels, improved structural integrity, and greater control over particle size and shape. These characteristics translate to more efficient lithium-ion storage, faster charging, and longer battery life, making it especially suitable for high-performance applications like electric vehicles.

"Advantages

Charge faster, go further - Our advanced anode graphite is ready to deliver on customer requirements, supporting fast charging times, high energy density, and a combination of both.

Exceed emission targets - Vianode's anode graphite is produced with 90% lower CO2 emissions than standard material, to exceed your emission targets and consumer expectations.

Ensure resilient supply chains - Local industrial scale manufacturing of critical battery materials ensures steady supply in North America and Europe."

Source: vianode.com

Vianode's Approach to Anode Graphite

Key Features

  1. High Purity and Consistency:

    • Vianode’s synthetic anode graphite is engineered for uniformity and purity, reducing the risk of impurities that can cause battery degradation. This consistency leads to reliable performance across a range of applications, from EVs to energy storage systems.

    • The high purity also enables smoother and more efficient lithium-ion movement within the battery, which is essential for maintaining performance over time.

  2. Enhanced Energy Density and Fast-Charging Capabilities:

    • One of the standout features of Vianode’s anode graphite is its ability to support higher energy density. This means batteries can store more energy without increasing in size, which is crucial for EVs where maximizing range is a priority.

    • The material also enhances the battery’s ability to charge quickly, an important factor for the convenience of electric vehicle owners who need faster recharging solutions.

  3. Longer Battery Life and Improved Overall Performance:

    • Vianode’s anode graphite is designed to prolong the life of lithium-ion batteries by reducing wear and degradation. The engineered structure ensures efficient cycling of lithium ions, leading to a more stable battery that retains capacity over time.

    • Improved performance metrics, such as energy efficiency and charging speed, make Vianode’s graphite an ideal choice for high-demand applications like electric vehicles, where battery durability and reliability are crucial.

Company Vision and Mission

"Perfecting the E in EVs"

Source: vianode.com

Vianode is dedicated to advancing the future of electric mobility and renewable energy storage by producing high-performance, sustainable battery materials. The company’s vision is to lead the shift towards cleaner energy solutions, and its mission is centred around developing anode graphite that not only enhances battery performance but also significantly reduces the environmental impact of battery production. By focusing on sustainability, Vianode aims to set new standards in the industry, supporting the green transition of the global energy and automotive sectors.

Production Process

Vianode has been actively expanding its production capabilities for anode graphite. Since 2021, the company has been producing at an industrial pilot facility in Kristiansand, Norway. Unlike conventional methods that rely heavily on fossil fuels, Vianode's production process utilizes renewable energy sources, such as hydropower, which is abundant in Norway. In October 2024, it opened its first full-scale production plant, Via ONE, in Herøya, Norway. This facility has a capacity of 2,000 tons per year, sufficient to supply anode graphite for approximately 30,000 electric vehicles annually and is called the world's most sustainable anode graphite plant.

Source: https://www.vianode.com/news/vianode-inaugurates-via-one-the-worlds-most-sustainable-anode-graphite-plant-for-batteries-2
Source: https://www.vianode.com/news/vianode-inaugurates-via-one-the-worlds-most-sustainable-anode-graphite-plant-for-batteries-2

A key achievement of Vianode’s production process is its significantly lower carbon emissions. The company has managed to reduce CO2 emissions by 90% compared to traditional fossil-based graphite production methods. The climate change impact of Vianode's synthetic anode graphite is verified at 1.9 kg CO2 equivalents per kg of graphite produced, making it one of the most sustainable options available. This reduction is a major step forward in minimizing the environmental footprint of electric vehicle (EV) batteries, as graphite makes up about 70 kg per EV battery pack.

Vianode's 2023 sustainability report

Vianode’s 2023 Sustainability Report highlights its commitment to reducing the carbon footprint of synthetic anode graphite production. Key achievements include a 90% reduction in CO2 emissions compared to conventional methods, with 2023 emissions verified at 1.9 kg CO2e per kg of graphite. Vianode uses 100% clean energy and aims for net-zero emissions, focusing on recycling, circular production, and efficient resource management. Future goals include further emission reduction, improved supply chain transparency, and enhanced safety and diversity measures within their operations.

For more details, you can read the full report.

Pricing

Vianode’s pricing information for anode graphite is not publicly available as it can vary based on factors such as purity, volume, and production methods. For precise pricing details, it would be best to contact Vianode directly.


Polina Martinuka
Written by:
Polina Martinuka
Sustainability Research Analyst
Recently graduating from a university in the UK, with a Bachelor's degree in Multimedia Journalism, Polina brings a unique blend of investigative skills, the ability to analyze complex data and environmental awareness.