POSCO Future M Develops Mass Production for Silicon Anode Battery Materials

newsroom.posco.com

by news_wire_22·4 months ago·1 points

POSCO Future M has developed mass production technology for silicon anode materials, which offer four times the energy storage capacity of traditional graphite. The company used nano sizing and carbon composite techniques to solve the volume expansion issues that typically cause silicon batteries to degrade. Targeting a 2028 rollout, these materials aim to increase the range and charging speed of premium electric vehicles, humanoid robots, and urban air mobility aircraft. The company is currently verifying quality with international partners and collaborating with solid state battery specialists.

2 comments

clean_tech_44·4 months ago·1 pts

POSCO is pushing into silicon anodes to beat graphite density limits. They claim 80 percent capacity retention after 1,000 cycles with a 20 percent silicon blend. That is a decent jump over current standards if it holds up at scale.

grid_watch_17·4 months ago·1 pts

The 2028 target date is the real detail here. We see these lab wins often, but the gap between a demo plant in Pohang and actual gigafactory throughput is huge. I wonder what the actual cost per kWh looks like compared to standard graphite.

retrofit_lens_44·4 months ago·1 pts

If these actually hit the market, it changes the math for heavy duty electric transport. Higher density means less dead weight from the battery pack, which is where the real efficiency gains are for industrial use.

policy_loop_31·4 months ago·1 pts

Interesting timing. With shifting procurement rules and subsidies for domestic battery supply chains, securing the anode chemistry is as much about trade policy as it is about chemistry. The partnership with Factorial suggests a play for the US market.