Janus graphene opens doors to sustainable sodium-ion batteries

https://www.chalmers.se/en/departments/ims/news/Pages/Janus-graphene-opens-doors-to-sustainable-sodium-ion-batteries.aspx

"Ten times the energy capacity of standard graphite

"Typically, the capacity of sodium intercalation in standard graphite is about 35 milliampere hours per gram (mA h g-1). This is less than one tenth of the capacity for lithium-ion intercalation in graphite. With the novel graphene the specific capacity for sodium ions is 332 milliampere hours per gram – approaching the value for lithium in graphite. The results also showed full reversibility and high cycling stability."

Via email:

Huge development in sodium-ion battery research. When new sodium-ion batteries with Janus graphene are mass produced, it's over for the combustion engine in cars!

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https://www.imperial.ac.uk/news/228494/scientists-develop-technology-sustainable-nextgeneration-batteries/

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Stacking order and strain boosts second-harmonic generation with 2D Janus hetero-bilayers
https://phys.org/news/2023-09-stacking-strain-boosts-second-harmonic-generation.html

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