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General Graphene Presentation The Graphene Council CVD Webinar April 30th. 2020

Advancing Science and Society by Bringing Affordable Graphene to the World

Mission Statement


Mission: Maximizing the talent, passion and creativity of our employees and the close collaboration of our partners, we deliver low-cost graphene and develop technologically advanced applications that benefit industry, and the health and well-being of society.

We realize our mission through a concerted focus on developing industrial-scale graphene manufacture, customizable to industry needs, that is consistent and lowest cost.

Company Overview Dashboard


2014FOUNDED

PRIVATESTATUS

STRATEGIC PARTNERLATEST DEAL TYPE

$>20MMRAISED

Description: Developing proprietary technology to produce large area, low-cost graphene and multilayer graphene sheets. Directed at: energy production and storage, electronics, life-sciences, bio-engineering, molecular filtration, composites and smart wear.

Websitewww.generalgraphenecorp.com

Primary IndustryNANO MATERIALS

Primary Office10239 Cogdill Road, Knoxville, TN 37932, USA

3INVESTORS

http://www.generalgraphenecorp.com/


Capabilities

General Graphene offers expertise and services to industry:

▪ Graphene characterization

(Raman spectroscopy, SEM, optical imaging, 4-point probe)

▪ Graphene recipe and product design

▪ Graphene transfer

▪ Rapid prototyping (transfer to client substrates)

▪ Prototype testing (barrier and electrical properties)

▪ Graphene production integration (design and engineering)


Technology Overview

General Graphene’s patented technologies are centered on proprietary atmospheric CVD based graphene production

Industry benefits: High volume; low cost; consistent, tunable graphene solutions; large graphene crystals with fewer multi-layers & defects.


Products and Performance Dashboard

Example of Graphene Measurements (Single layer)

Crystal size 40 µm - > than 1 mm

Coverage >98%

Multilayer coverage Down to <5%

2D width average (Graphene on Si/SiO2) 33 cm-1

2D/G Intensity ratio (Graphene on Si/SiO2) 2.1 – 3

D/G Intensity ratio (Graphene on Si/SiO2) <0.3

High coverage

Large crystals

Large sheets(300mm x length)

Consistent properties

PET Ref PET/1 Layer PET/5 Layers PET/10 Layers

Transmittance @550 nm 97.3% 87.2% 76%

Sheet resistance Ω/sq O.L. (∞) 630 120 55

Barrier WVTR g/m2/day 5.1 - 1.3 -

TransparencyEffective Barrier Excellent Conductor Bio Compatible Lubricant


Projects and Markets

Electronics

Life-sciences & Bio Engineering Filtration

Energy Production and Storage

Improving the efficiency and reducing energy cost of desalinationMolecular sieve, barrier

Coating for medical stents to increase useful lifeBio compatibility, conductance

Extending the performance, durability and conductance of electrical components and reducing costs Conductance, corrosion, lubrication and transparency

Irreversible/reversible capacity, cycle lifecoulombic efficiency, thermal stability, costConductance, corrosion/oxidation, adhesion


Business Model

1. Partners provides performance needs and cost target. 2. Application-Specific Graphene Sheets designed and manufactured. 3. Prototype development and validation. 4. Collaboration to design the industrial production equipment required to grow or

transfer graphene to the system, component or device.

Multi-Phase, Application Development Industrial Partnership(based on a cost and resource sharing model)

(Graphene Design)


Summary

▪ General Graphene is poised to deliver industrial volumes of application-specific graphene sheets, with consistent properties at low cost.

▪ Graphene provides new ways to deliver transparent, conducting, barrier properties to enhance product performance across many industries.

▪ Seeking to extend our partnerships with companies who have important product challenges that we can solve with CVD graphene.

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