The cost of lithium is expensive, as getting lithium out of the ground is expensive, and also not healthy for the environment, A new graphene could make the much cheaper sodium ion battery as efficient as the lithium battery, but at much lower cost, and relying on a materia that is readily available, sodium. The name if the graphene is the Janus graphene.
Janus Graphene Could Create Sustainable Sodium-Ion Batteries
From www.azonano.com
2021-08-26 16:02:00
Excerpt:
The approach is built on a novel type of graphene with the ability to store sodium, which is one of the world’s most widely used and cheapest metal ions. The outcomes revealed that the capacity matches today’s lithium-ion batteries.
Although lithium ions perform better for energy storage, lithium is a costly metal concerning its long-time supply and environmental issues.
Sodium is an abundant low-cost material and is a major constituent in seawater (and in kitchen salt). This turns sodium-ion batteries into an attractive and sustainable alternative for decreasing the requirements for critical raw materials. However, challenges lie ahead in terms of elevating the capacity.
