NanoGraf

Chicago, United States Founded: 2012 • Age: 14 yrs
Silicon-based anode materials for lithium batteries are developed.

About NanoGraf

NanoGraf is an Energy & Utilities company based in Chicago (United States) founded in 2012 by Samir Mayekar. Silicon-based anode materials for lithium batteries are developed. It operates on a Product-as-a-Service model. NanoGraf has raised $70.5 million across 6 funding rounds from investors including DOE, Material Impact and Volta Energy Technologies. Its chief executive, as recorded, is Samir Mayekar. NanoGraf offers products and services including Onyxâ„¢ Silicon Anode. Its focus areas include Energy, Renewable Energy and Battery Technology. Its legal entity is NanoGraf Corporation. Its competitors include Group14 Technologies, Sila Nanotechnologies and Sepion Technologies; 3 of its 3 listed competitors have raised funding.

Company details

Innovative energy storage solutions are provided by NanoGraf, focusing on lithium-ion battery advancements. High-energy-density silicon-based anodes are developed to replace traditional graphitic anodes, enhancing performance in applications ranging from consumer electronics to electric vehicles. Sectors such as military and automotive are targeted with solutions that improve range, power, and cycling stability. Research and development are emphasized, with facilities dedicated to pushing the boundaries of battery technology in the United States.

  • Headquarters Chicago, United States
  • Founders Samir Mayekar
  • Sectors
    Energy & Utilities
  • Email
    ••••••••
  • Website nanograf.com
  • Social LinkedIn X
  • Legal Name Nanograf Corporation
Key Metrics
  • Total Equity Funding
    $70.5M (USD)

    in 6 rounds

  • Latest Funding Round
    $60M (USD), Grant

    Sep 2024

  • Investors
    DOE

    & 14 more

Products & Services of NanoGraf

NanoGraf offers a comprehensive portfolio of products and services, including Onyx™ Silicon Anode.

Onyx™ Silicon Anode
Battery Technology

Advanced silicon anode developed for EV battery enhancement.

Funding Insights of NanoGraf

NanoGraf has successfully raised a total of $70.5M across 6 strategic funding rounds. The most recent funding activity was a Grant round of $60 million completed in September 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $70.5M
  • Total Rounds 6
  • Last Round Grant — $60M
  • First Round $1.15M

    (Feb 2013)

  • Investors Count 15

All 6 funding rounds of NanoGraf with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Sep 2024$60MGrant––
Jan 2023$65MSeries B–Volta, CC Industries
Jul 2020$1.65MGrant––
Feb 2019$5.5MSeries A–HPA, JNC
–
Mar 2014Seed––
Feb 2013$1.15MGrant––
Valuation history

15 investors in total: 15 institutional.

Investors in NanoGraf

NanoGraf has secured backing from 15 investors, including institutional and venture fund investors. Prominent investors backing the company include DOE, Material Impact and Volta Energy Technologies.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Investment in energy storage technologies is facilitated by Volta.
volta.vcNaperville, United States
TechNexus is engaged in building venture ecosystems for corporations and startups.
technexus.comChicago, United States
nabtesco-ventures.com
Arosa Capital Management is engaged in energy sector investments.
2013arosacapital.comMiami Beach, United States
Sustainable industrial innovation is supported through venture capital investments.
emerald.vcZurich, Switzerland
VC firm investing in tech startups
goose.capitalHouston, United States
Climate tech startups are supported through funding and resources.
evergreeninno.orgChicago, United States
Early-stage startups are funded through venture capital investments.
hpa.vcChicago, United States
Venture capital is provided for critical industries by Earth Foundry.
2012energyfoundry.com
Energy sources and policies are managed by the DOE.
1977energy.gov
Premium access

Investor details for NanoGraf

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

People of NanoGraf

2 people are tracked at NanoGraf (2 in leadership).

NameRoleGroup
Samir Mayekar
Co-Founder & CEOLeadership
Francis Wang
CEOLeadership
Premium access

Complete people profiles for NanoGraf

Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.

  • Full employee list
  • Team structure
  • Board tenure
  • Professional contacts

Verified entity values are shown only after access is granted.

Timeline of NanoGraf

3 dated milestones of NanoGraf across 12 years, from founding to its latest funding, stage changes and deals.

  1. Founded NanoGraf is founded.
  2. Funding First funding round of $1.1M.
  3. Funding Latest funding round, Grant, of $60.0M.

Competitors of NanoGraf

NanoGraf has 3 listed competitors in our database, 3 of them funded. They include Group14 Technologies, Sila Nanotechnologies and Sepion Technologies.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
group14.technology2015Woodinville, United States$1.18B213
Manufacturer of advanced silicon battery for clean energy solutions
silanano.com2011Alameda, United States$1.31B358
Nanotech-based lithium-ion batteries are supplied for diverse applications.
sepiontechnologies.com2015Emeryville, United States$18.75M32
Manufacturer of batteries
Premium access

Detailed competitors of NanoGraf

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
  • Benchmarks
  • Competitive positioning

Verified entity values are shown only after access is granted.

Web traffic of NanoGraf

The website of NanoGraf (nanograf.com) receives about 8K visits a month.

  • Monthly visits
    8K

    ▲ 34.6% vs previous month

Top companies in Energy Storage Systems

3 companies that operate in the same segment as NanoGraf (Energy Storage Systems) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Electric buses and charging systems are manufactured for fleets.
2004Burlingame, California, United StatesUSD 857.79 MUSD 309.36 M418
Silicon-based solar PV modules are manufactured for diverse applications.
1985San Jose, California, United StatesUSD 171.73 MUSD 300 M600
Iron-air energy storage systems are developed for renewable energy projects.
2009Somerville, Massachusetts, United StatesUSD 2 B902
Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • ✓
    Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • ✓
    Full access to every database India & global coverage, advanced filters and rich profile details
  • ✓
    Always-on access from your team account Single premium plan for everything you see on the portal

Related news about Nanograf

Premium access

Complete news archive for NanoGraf

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

Frequently Asked Questions about NanoGraf

NanoGraf was founded in 2012 and raised its 1st funding round 1 year after it was founded.

NanoGraf is headquartered in Chicago, United States. It is registered at Chicago, Illinois, United States.

Samir Mayekar is the CEO of NanoGraf, as recorded in our data. They have also founded this company.

NanoGraf is a funded company, having raised a total of $70.5M across 6 funding rounds to date. The company's 1st funding round was a Grant of $1.15M, raised on Feb 2013.

Innovative energy storage solutions are provided by NanoGraf, focusing on lithium-ion battery advancements. High-energy-density silicon-based anodes are developed to replace traditional graphitic anodes, enhancing performance in applications ranging from consumer electronics to electric vehicles. Sectors such as military and automotive are targeted with solutions that improve range, power, and cycling stability. Research and development are emphasized, with facilities dedicated to pushing the boundaries of battery technology in the United States.

NanoGraf's top competitors include Group14 Technologies, Sila Nanotechnologies and Sepion Technologies.

NanoGraf offers Onyxâ„¢ Silicon Anode.

NanoGraf has 15 investors. Key investors include DOE, Material Impact, Volta Energy Technologies, CC Industries, and TechNexus.

NanoGraf operates through Nanograf Corporation.

Explore millions of companies — effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals — all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available