Dongdao Anode Production Expansion Adds More Capacity to China’s Battery Materials Chain

Dongdao Anode Production

Dongdao anode production expansion in Guangdong province shows that China continues to build scale across graphite and next-generation battery materials. Guangdong Dongdao New Material has started construction of two anode processing lines and one silicon-carbon anode line in Zhanjiang.

The two new processing lines will each have 10,000 t/yr of capacity. One line will produce synthetic graphite anode materials, while the other will produce natural graphite anode materials. The silicon-carbon anode line will have 500 t/yr of capacity, giving Dongdao a foothold in higher-performance battery material development.

Dongdao anode production growth matters because anode materials remain a core part of the lithium-ion battery value chain. China already dominates graphite processing, and the company’s latest investment reinforces the country’s ability to expand both conventional and advanced anode supply.

Graphite Anode Capacity Continues to Scale in China

Dongdao already operates 100,000 t/yr of natural graphite anode capacity and 100,000 t/yr of synthetic anode capacity. The new Zhanjiang lines will add more processing flexibility across both major graphite anode routes.

The company is also building much larger synthetic anode projects elsewhere in China. These include 300,000 t/yr of capacity in Leizhou, Guangdong, and 150,000 t/yr in Yilong, Guizhou. This shows that synthetic graphite remains a major investment focus as battery producers seek consistent performance, controlled quality, and scalable supply.

Dongdao’s subsidiary, Zhanjiang Juxin New Energy, also plans to build a 20,000 t/yr spherical graphite facility in Zhanjiang. A commissioning date has not yet been set, but the project would add another processing step that supports natural graphite use in battery anodes.

Silicon-Carbon Line Signals Next-Generation Battery Focus

The planned 500 t/yr silicon-carbon anode line is smaller than the graphite lines, but it carries strategic importance. Silicon-carbon anodes can improve battery energy density and performance, although commercial scaling remains more technically demanding than conventional graphite.

Dongdao’s decision to build this line alongside graphite processing capacity suggests a dual strategy. The company is expanding mainstream anode capacity while preparing for future demand from higher-performance battery chemistries.

All three Zhanjiang lines are scheduled to start operations in December 2027. By then, battery supply chains may be more focused on cost reduction, fast charging, energy density, and material efficiency. Producers with both graphite scale and silicon-carbon development capacity could be better positioned for that transition.

The Metalnomist Commentary

Dongdao’s expansion shows that China is not slowing its grip on the anode materials chain. The strategic issue for global battery supply chains is no longer only graphite availability, but who controls processing scale, qualification, and next-generation material development.