Fundraising Fox

Adden

Waltham, US · Founded 2021 · 4 known investors

Find your way into Adden

674 people in our graph share verified history with the Adden team — schools, employers, funds. One of them is your warm intro.

Nicole Gaudelliunlockedknows Xin Li · together at Harvard University (overlapped)
×4knows the team · via Penn State University
×3knows the team · via Massachusetts Institute of Technology
×3knows the team · via Harvard University
knows the team · via Nanjing University

Adden Energy develops solid-state, dynamically-stable batteries based on self-healing separator technology discovered at Harvard, aimed at fast charging, long lifetime, and non-flammable components. The batteries target electric vehicles, automakers, and other applications including drones, data centers, and robotics.

Founders & leadership

Adden was founded in 2021 by William Fitzhugh, Luhan Ye, and Xin Li.

WFWilliam Fitzhugh
William FitzhughinCo-founder
LYLuhan Ye
Luhan YeinCo-founder
XLXin Li
Xin LiinCo-founderXin Li is a researcher at Harvard University with expertise in energy storage materials, electrochemistry, and advanced characterization techniques including electron microscopy and X-ray diffraction. He founded Adden Energy, which develops solid-state batteries using self-healing separator technology for electric vehicles and other applications.

Board

BLBernard Lupien
Bernard LupieninBoard directorGeneral Partner at Rhapsody Venture Partners
FHFred Hu
Fred HuinBoard director
LMLaurie Menoud
Laurie Menoudin𝕏Board directorInvestor at At One Ventures

Investors · 4

Reported raises · per SEC filings

Form D private placements

$20.1M disclosed across 2 rounds · 2022–2024

$15MraisedSep 2024 · 4 investors · Other Energy
Rule 506(b)
Officers, directors & promoters on the filing
  • Bernard LupienDirector
  • William FitzhughExecutive Officer, Director
  • Luhan YeExecutive Officer, Director
  • Fred HuDirector
  • Xin LiExecutive Officer, Director
  • Laurie MenoudDirector
Offering amount
$15M
Amount sold
$15M
First sale
Aug 2024
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$5.1MraisedFeb 2022 · 3 investors · Other Energy
Rule 506(b)
Officers, directors & promoters on the filing
  • Xin LiExecutive Officer, Director
  • William FitzhughExecutive Officer, Director
  • Bernard LupienDirector
  • Fred HuDirector
Offering amount
$5.1M
Amount sold
$5.1M
First sale
Feb 2022
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

Frequently asked questions

What does Adden do?
Adden Energy develops solid-state, dynamically-stable batteries based on self-healing separator technology discovered at Harvard, aimed at fast charging, long lifetime, and non-flammable components. The batteries target electric vehicles, automakers, and other applications including drones, data centers, and robotics.
Who founded Adden?
Adden was founded by William Fitzhugh, Luhan Ye, Xin Li in 2021.
Who are Adden's investors?
Adden's investors include At One Ventures, MassVentures, Rhapsody Venture Partners, Primavera Venture Management Limited.
How much funding has Adden raised?
Adden has disclosed $20.1M raised across 2 rounds.
Where is Adden headquartered?
Adden is headquartered in Waltham, US.