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GMG unveils graphene slurry to enhance battery power

Viable for EVs as well as other battery functions, the Super G graphene slurry promises longer battery life due to a 2.5-times reduction in ionic resistivity.

Australia-based Graphene Manufacturing Group (GMG) has revealed a “breakthrough” liquid graphene slurry aimed at enhancing the performance of standard lithium-ion batteries.

Viable for EVs as well as other battery functions, the Super G graphene slurry promises longer battery life due to a 2.5-times reduction in ionic resistivity.

“The Graphene comes from GMG’s self-developed graphene production system and is then processed through a number of steps in the co-located pilot plant and finally into a liquid graphene product which we believe will be able to be added into or coated onto either a customer’s lithium-ion battery cathode or anode production with a 0.5-2% dosage by weight,” the company said in a media release.

The slurry was developed by GMG over the last 3 years for GMG’s own Graphene Aluminum-Ion Battery, which has unique properties of high electrical conductivity, low charge transfer resistance and high density compared to other carbon battery additives and materials used in lithium-ion batteries.

GMG is reportedly in talks with multiple battery manufacturers and industry players to explore the potential testing and supply of Super G. 

According to a recent study conducted by Oxford University, Super G  demonstrates 2.5 times lower mean ionic resistivity compared to standard graphite. Lower pore ionic resistivity will improve battery efficiency, charge and discharge rates, GMG said.

Super G also features multimodal particle distribution that increases energy density for more powerful, longer lasting batteries.

And, unlike conventional materials, Super G maintains its integrity during calendaring (compression onto battery foil), ensuring no significant damage to the binder layer, the Oxford study indicated.  


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