First Graphene Ltd · ASX:FGR
First Graphene — Graphene Council - Graphene in Energy Storage Applications (February 2022)
16 slides from First Graphene's conference presentation, Feb 8, 2022
Slide 1: Graphene Metal Oxides for Supercapacitors
Graphene Metal Oxides for Supercapacitors Michael Watson - Senior Materials Research Scientist 08/02/2022 ASX:FGR 1 Graphene Council - Graphene in Energy Storage Applications
Slide 2: Who We Are, What We Do, Outlook
WHO WE ARE OUTLOOK • First Graphene (ASX:FGR) is an Australian • With the production process and capacity “banked”, we now solely focus on the materials technology company. commercialization of PureGRAPH® and driving sales demand. • World leading graphene manufacturer based in • Structured market se
Slide 3: Production process and PureGRAPH product range
• High purity vein graphite • Modular finishing • Internal/External formulators • PureGRAPH Powder/AQUA • Electrochemical Exfoliation • 6-Sigma quality control • Industrial/academic solution • Masterbatches • High yield processing • At line testing development • Liquid Admixtures • Low waste • Repea
Slide 4: Graphene history and electrochemical exfoliation
Graphene realised in 2004 at Ejigu, Dryfe - Manchester, 2018 The University of Manchester Electrochemical exfoliation of graphene and deposition of metal oxides for supercapacitors Electrochemical exfoliation of graphite to graphene Early work in 1970s and 1980s Ruthenium oxide supercapacitors by el
Slide 5: Capacitors, supercapacitors and batteries compared
Electrolytic Supercapacitors Batteries Capacitors Substrate Substrate Substrate Active Material 1 Active Material 1 Dielectric Substrate Separator Substrate Separator Active Material 2 Active Material 2 Substrate Substrate Substrate Faradaic - Chemical Reaction Non-Faradaic - No Chemical Reaction +
Slide 6: Technology map by device type
• Maps available technologies by device type. • Device types are grouped by the underlying chemistry and device design. • Demonstrates areas where useful devices exist. • Potential for graphene devices with high power and high energy density. • High energy density → Longer range EV • High power dens
Slide 7: Electrical Double Layer Capacitance and Li-Hybrid
Electrical Double Layer Capacitance Li-Hybrid Substrate Substrate Separator Substrate Separator Substrate Substrate Substrate • Activated carbon surface area and • Diffusion rate of lithium ions limits electrolyte limits the energy density the power density • Increased power density can be • Increas
Slide 8: Electrochemical Capacitors
Electrochemical Capacitors Substrate Substrate Separator Substrate Separator Substrate Substrate Substrate • Asymmetric • Symmetric/Asymmetric • Pseudocapacitive/EDLC • Pseudocapacitive/EDLC • Scope for improvements and new chemistry ASX:FGR 8
Slide 9: Opportunity for new materials and devices
• Existing technology is mapped. • New materials bring the opportunity for new devices in new areas of the Ragone. • These new materials could bring us high power density and high energy density devices. • The target for graphene-metal-oxide materials is to out-perform available electrochemical supe
Slide 10: PureGRAPH benefits for metal-oxide nanocomposite
PureGRAPH® graphene provides several benefits to a metal-oxide nanocomposite active material: • Increases electrical conductivity • Increases cycle life • Increases surface area • Dispersible powder • Scalable ASX:FGR 10
Slide 11: Development timeline of graphene metal oxide work
Dryfe and Ejigu First Graphene Pure exfoliated product License technology deposited onto membranes 2019 2018 First Graphene First Graphene Electrolyte optimisation Standard coin cell tests July 2021 Aug 2020 First Graphene Single vessel exfoliation with no membrane Jan 2020 First Graphene First Grap
Slide 12: Coin cell test results
• 1st December 2021 announcement. • Tests made using coating formulation in standard coin cells using non-optimised components. • Electrochemical deposition of metal oxide onto PureGRAPH®. • Metal oxide nanostructures grown directly onto graphene scaffold. • Coin cell measurements show high gravimet
Slide 13: Develop and test a prototype device
Develop and test a meaningful prototype device: • £15,000 award from Innovate EDGE (Innovate UK) • Collaboration with WMG – University of Warwick • Optimisation of electrolyte and separators in pouch cells Working with device makers to produce a high performing commercial cell. ASX:FGR 13
Slide 14: Acknowledgements
Acknowledgements first graphene Innovate UK EDGE EV QUEEN'S , 4m oWwme The University of Manchester (‘my BELFAST THE UNIVERSITY OF WARWICK ASXFGR “
Slide 15: Contact details
1 Sepia Close, Henderson Western Australia 6166 P. +61 1300 660 448 Graphene Engineering & Innovation Centre University of Manchester Sackville Street, Manchester M13 9PL, United Kingdom P. +44 (0)161 826 2350 FIRSTGRAPHENE.NET info@firstgraphene.net ASX:FGR 15
Slide 16: Disclaimer
• This presentation has been prepared by First Graphene Limited (ACN 007 870 760) (“Issuer”) for the sole purpose of providing an overview of its current prospects and proposed development strategy to recipients (“Recipient”). This presentation and its contents are provided to the Recipient in confi
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