Silicon Anode Technology to Supercharge EV Battery Range by 20%

Silicon Anode Technology to Supercharge EV Battery Range by 20%

By Nazmia Nassereddine, 11 October 2023

Previously: The EV Charging Conundrum

In a groundbreaking development that could transform the EV landscape, battery manufacturers are rapidly advancing the creation of silicon anode technology to reduce production costs and increase EV battery capacity by 20%, taking a bold step towards a sustainable future. 

Infobyte: Silicon has 10x higher capacity than graphite

Silicon-Carbon composite anodes for lithium rechargeable batteries

Silicon anode batteries promise a substantial improvement in energy storage capacity compared to traditional lithium-ion batteries. With a theoretical capacity of 4,200 mAh/g, silicon has over ten times the storage capacity of graphite, the main material in EV battery anodes currently. 

However, silicon's expansion characteristics have been a hurdle, as it often cracks and degrades the anode. Recent breakthroughs in silicon nanoparticles, silicon-carbon composites, and enhanced conductivity have overcome these challenges, showing potential energy densities up to 50% higher than conventional lithium-ion batteries.

The Power Players 

  • LG Chem plans to invest US $4.7 billion over the next three years to develop new materials for EV batteries, with a particular focus on pure silicon anodes. 
  • SKC invested $80 million in Nexeon last year, collaborating on an anode with at least 15% silicon content.
  • POSCO Chemical is launching a production plant for silicon anodes later this year, with sales planned for the first half of 2024. 
  • Daejoo Electronics is the only South Korean company that has successfully launched silicon anodes, planning to increase the silicon content to seven percent by 2027. 
  • Panasonic Energy has signed an agreement to purchase silicon anode material from Nexeon, marking the first step toward manufacturing higher-energy-density EV batteries in the US, with a focus on developing new materials without requiring significant changes to the manufacturing process.

Silicon Anode Technology and the EV Market

With China contributing 82% of global graphite production and 75% of global market share of EV batteries, South Korean manufacturers are driving investment and innovation into silicon anode technology to compete. The global market for silicon anodes is projected to be worth $6.92 billion by 2026, with an annual growth of 23.4%. 

This global breakthrough could potentially extend EV range up to 500 miles on a single charge, compared to the current 300 mile average. Scott Brown, CEO of Nexeon, emphasized, "Our silicon anode material will bring dramatically improved vehicle range and charging speeds for EVs, addressing drivers’ concerns and accelerating the transition to cleaner forms of mobility." 

In addition to enhanced performance, the technology will also cut costs significantly for automotive manufacturers. "By integrating Nexeon's groundbreaking battery material with our advanced cell manufacturing capabilities, we can address concerns such as range anxiety and charging time," said Shoichiro Watanabe, Executive Vice President of Panasonic Energy. 

Embracing Silicon Anodes: Paving the Way to an Electric Future

Most importantly, this burgeoning silicon anode development symbolizes a thrilling step toward environmental sustainability. Through strategic investments, cutting-edge research, and dynamic collaborations, these innovations promise to usher in a new era of efficient and eco-friendly transportation. 

As the world continues to accelerate toward a net-zero emissions future, silicon anode technology represents a critical component in the transition to greener mobility and renewable energy integration. The race is not just among EV manufacturers, but a race against time for our planet, and one thing is clear: the future is electric, powered by silicon. 

Read Next: China’s EV Dominance

To read more about the state of the electric vehicles revolution in 2023 – read the full report here

Related Report

The State of the Electric Vehicle Revolution 2023

Global electric vehicle (EV) stock has surpassed 30 million, and China is home to over half of all the EVs on the world’s roads. 1 in 7 new cars sold last year was electric, and by 2030, we will have 138 Million EVs.

Subscribe To Our Newsletter

Stay up to date with the latest news, special reports, videos, infobytes, and features on the region's most notable entrepreneurial ecosystems