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July 30, 2021

CATL unveils new sodium-ion EV battery

New EV battery chemistry has been revealed in China.

By Graeme Roberts

China’s leading electric vehicle (EV) battery manufacturer Contemporary Amperex Technology (CATL) unveiled at its online Tech Zone event its first sodium-ion battery for electric vehicles.

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The company said this was a milestone event in its quest for alternative materials for its batteries with analysts expecting shortages of mainstream materials, such as nickel-sulphate, to emerge by 2025 as global demand for EVs continues to rise.

The company said in a statement “sodium-ion batteries will provide a new solution for the use of clean energy and transportation electrification, thus promoting the early realisation of the goal of carbon neutrality”.

CATL said its new AB battery pack integrates sodium-ion cells and lithium-ion cells into one pack. It claims the new sodium-ion battery can achieve an energy-density of 160Wh/kg and can be 80% recharged in 15 minutes.

CATL founder and chairman Robin Zeng Yuqun said “sodium-ion batteries are compatible and complementary with lithium-ion batteries. Diversified technical routes are also an important guarantee for the long-term development of the industry”.

The company said “sodium-ion batteries have a similar working principle to the lithium-ion batteries. Sodium ions also shuttle between the cathode and anode. However, compared with lithium ions, sodium ions have a larger volume and higher requirements regarding structural stability and the kinetic properties of materials. This has become a bottleneck for the industrialisation of sodium-ion batteries”.

To improve performance CATL said it had “applied Prussian white material with a higher specific capacity and redesigned the bulk structure of the material by rearranging the electrons, which solved the worldwide problem of rapid capacity fading upon material cycling. In terms of anode materials, CATL has developed a hard carbon material that features a unique porous structure, which enables the abundant storage and fast movement of sodium ions, and also an outstanding cycle performance”.

Free Report
img

What does the future hold for the US electric vehicles market?

The US Electric Vehicles (EV) market has established itself as one to watch. Despite China maintaining the number one spot, the US holds significant standing as one of the major EV markets, with GlobalData’s whitepaper identifying a strong growth trajectory within the forecast period. This report further analyzes the trends, market drivers, and government incentives set to influence and facilitate the market.   This report also looks beyond the US and touches on environmental concerns set to drive the EV market worldwide.   Want to find out more? This report demonstrates GlobalData Explorer’s sector analysis capabilities, showing how you can:  
  • Get historical and forecast market sizing data, with country specific insight for 22+ of the world’s largest industries
  • Track sector dealmaking activity, to view aggregate volumes, specific deals and top investors for all major deal types in M&A, Capital Raising, and Partnerships
  • Analyze news from GlobalData Explorer’s News Database – enable screening and alerts by industry, company, geography and news sentiment for filtered insight
  • Identify and track the key disruptive trends that are keeping the top digital thought leaders talking through social media analytics
  Consult this report now to find out how you and your company can benefit from our Explorer platform.
by GlobalData
Enter your details here to receive your free Report.

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