GDI Overview

  • Year Founded
  • 2009

Year Founded

  • Status
  • Private

  • Employees
  • 77

Employees

  • Latest Deal Type
  • 2ndary - Private

  • Investors
  • 12

GDI General Information

Description

Developer of silicon battery technology designed for an electric, sustainable future. The company's patented silicon battery materials offer performance over standard lithium-ion and emerging solid-state batteries that are designed to adapt to any lithium battery architecture and engineered for mass manufacturing that can scale, enabling industries to focus on their product development and achieve faster charging times.

Contact Information

Website
www.gdinrg.com
Formerly Known As
Graphenix Devices
Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • 66 Eastman Avenue
  • Building 82B
  • Rochester, NY 14615
  • United States
+1 (716)
Primary Industry
Electrical Equipment
Vertical(s)
Nanotechnology, CleanTech, Climate Tech, Industrials
Corporate Office
  • 66 Eastman Avenue
  • Building 82B
  • Rochester, NY 14615
  • United States
+1 (716)

GDI Timeline

2023202420252026
Financing RoundCaptured Employee CountEstimated Employee Growth

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GDI Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
14. Secondary Transaction - Private 01-Dec-2025 Completed Generating Revenue
13. Later Stage VC (Series A1) 25-Mar-2026 Completed Generating Revenue
12. Later Stage VC (Series A) 29-Mar-2025 Completed Generating Revenue
11. Debt - General 22-Dec-2023 Completed Generating Revenue
10. Grant 29-Sep-2022 Completed Generating Revenue
9. Grant 31-Dec-2021 Completed Generating Revenue
8. Later Stage VC (Series A) 22-Feb-2019 Completed Generating Revenue
7. Later Stage VC (Series A) 28-Sep-2016 Completed Generating Revenue
6. Grant 10-Feb-2015 $248K $200K Completed Generating Revenue
5. Grant 31-Dec-2012 $1.16M $200K Completed Startup
To view GDI’s complete valuation and funding history, request access »

GDI Cap Table

Stock # of Shares
Authorized		 Par Value Dividend Rate (%) Original
Issue Price		 Liquidation Liquidation
Pref. Multiple		 Conversion Price % Owned
Series A
To view GDI’s complete cap table history, request access »

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GDI Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Developer of silicon battery technology designed for an electric, sustainable future. The company's patented silicon bat
Electrical Equipment
Rochester, NY
77 As of 2024

Fremont, CA
 
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GDI Competitors (1)

One of GDI’s competitors is Amprius Technologies, a Formerly VC-backed company based in Fremont, CA.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Amprius Technologies Formerly VC-backed Fremont, CA
You’re viewing 1 of 1 competitors. Get the full list »

GDI Patents

  • 114

    Total Documents Applications and Grants

  • Total Patents Families

  • 62

    Granted

  • 31

    Pending

  • Expiring in next 12 mo

GDI Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
WO-2026169895-A1 Method of making and storing silicon-containing anodes for lithium-based energy storage devices Pending 07-Feb-2025
WO-2026169893-A1 Silicon-containing anodes for lithium-based energy storage devices Pending 07-Feb-2025
WO-2026169894-A1 Silicon-containing anodes for lithium-based energy storage devices Pending 07-Feb-2025
WO-2025184462-A1 Multilayer anodes for lithium-ion batteries Pending 01-Mar-2024
EP-4833768-A1 Solid-state lithium-ion batteries Pending 29-Dec-2023 H01M4/134
To view GDI’s complete patent history, request access »

GDI Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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GDI Investors (12)

Investor Name Investor Type Holding Investor Since Participating Rounds
W. L. Gore and Associates Corporation Minority
Helios Climate Ventures Venture Capital Minority
PMH Investments PE/Buyout Minority
Rochester Angel Network Angel Group Minority
Skyview Ventures Venture Capital Minority
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GDI FAQs

  • When was GDI founded?

    GDI was founded in 2009.

  • Where is GDI headquartered?

    GDI is headquartered in Rochester, NY.

  • What is the size of GDI?

    GDI has 77 total employees.

  • What industry is GDI in?

    GDI’s primary industry is Electrical Equipment.

  • Is GDI a private or public company?

    GDI is a Private company.

  • What is GDI’s current revenue?

    The current revenue for GDI is .

  • How much funding has GDI raised over time?

    GDI has raised $55.1M.

  • Who are GDI’s investors?

    W. L. Gore and Associates, Helios Climate Ventures, PMH Investments, Rochester Angel Network, and Skyview Ventures are 5 of 12 investors who have invested in GDI.

  • Who are GDI’s competitors?

    Amprius Technologies is a competitor of GDI.

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