Rotated Multilayer Graphene

Product Description: This high purity graphene powder is prepared by catalytic deposition technique at high temperatures. The uniqueness of this graphene is its rotational nature, where adjacent graphene layers are rotated against each other by over 5 degrees in a multilayered stack. Typical interlayer distance is d=3.36Ǻ between high crystallin in planes. Due to rotational nature, it performs as an exceptionally  high and reversible-Capacity material at over 1,000 mAh/g in Li-ion batteries. It can be easily dispersed in water, NMP or other solvents for slurry preparation and coating.  It can be used also as a high capacity, and conductive low % additive (<1 % by weight) in Cathode or other electrodes in battery applications. Due to its low weight and fluffiness, it easily distributes in larger weight cathode, or anode materials, providing high conductivity and capacity performance. Specifications: Appearance Black powder Package size 250 mg per bottle Graphene layers multi-layered rotated graphene Tap density 0.32 g/cm2 Specific surface area by BET (SSA) 25-30 m2/g Water content 0.5 wt% Particle size 1-2 um C content ≥98 wt% Ni traces <1.0 wt% Cl traces <1.0 wt% Applications: This graphene powder product can be used as an advanced active or additive material in Batteries, Supercapacitors, Solid State Batteries, Fuel Cells, Sensors, and many other electronic applications. Related publications: ·        Invited paper- Paronyan, T.M. Weakened interlayer interaction of incommensurate graphene as a key factor for superior lithium intercalation. JMR 36, 2872–2880 (2021). ·        T. Paronyan “Graphene-Layered Structures for Next-Generation Energy Storage’ Review chapter Nanoengineering, Quantum Science, and, Nanotechnology Handbook, Publ. 2019 by CRC Press, pp271-294 (2019) ·        T. M. Paronyan “Advanced graphene anode for the Li-ion batteries”- review chapter for Dekker Encyclopedia of Nanoscience and Nanotechnology-3rd ed., publ. by CRC Press (2018) ·        T. M. Paronyan, A.K. Thapa, A. Sherehiy, J. Jasinski, J.S. Dilip, Incommensurate graphene foam as a high-Capacity Lithium intercalation anode. Nature, S.R. 7, 39944; doi: 10.1038/srep39944 (2017) ·        T. M. Paronyan, A. K. Thapa, A. Sherehiy, J. B. Jasinski, J. S. D. Jangam, Exceptional Lithium Intercalation Capacity of Incommensurate Graphene Foam in Rechargeable Batteries- ECST V77.p 311-320 (2017) ·        T. M. Paronyan, A.K. Thapa, A. Sherehiy, J. Jasinski, J.S. Dilip, Novel Graphene Structures: Substantial Capacity Enhancement in Lithium Batteries- Advanced Materials TechConnect Briefs Graphene & 2D-Materials Chapter 3, pp. 95-98 (2017). ·        G. Chen, T.M. Paronyan and A.R. Harutyunyan, "Sub-ppt gas detection with pristine graphene", Applied Physics Letters 101(5), p. 053119 (2012)