ADDEN ENERGY INC

WALTHAM, MA · Founded 2021 · Energy · Private

Dynamically-stable battery chemistry and cell design

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Updated · addenenergy.com

Sector
Energy
Headquarters
WALTHAM, MA
Founded
2021
Latest Form D
$16.9M, Oct 2026
Total capital
$37.3M
Federal grants
$275K
1 award · 2024
Rank in peer group#6 of 53
Private capital raised
$37M
3 Form D · last Oct 2026
1 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
0
5 pending

Capital timeline

20222023202420252026FEDERAL ↑EQUITY ↓Cumulative $37.3M$275K1st Form D$5.1M2nd Form D$15M3rd Form D$16.9M
20222023202420252026FEDERAL ↑EQUITY ↓Cumulative $37.3M$275K1st Form D$5.1M2nd Form D$15M3rd Form D$16.9M

Latest events

  • Private capital raisedForm D · SEC · 3rd filing$16.9M
  • Private capital raisedForm D · SEC · 2nd filing$15M
  • Federal grantNSF · Phase I · STTR Phase I: Advanced Lithium Metal Anodes for Solid-State Batteries$275K
  • Private capital raisedForm D · SEC · 1st filing$5.1M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 53 peers

Line = median

Energy · Material

  • Federal grants#6 · top 11%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

Researcher links verified by same-company patents and grants
  • Luhan YeResearcherExecutive Officer, DirectorLinked by $275K in grants as PI
  • Bernard LupienDirectorNamed in SEC Form D filings
  • Fred HuDirectorNamed in SEC Form D filings
  • Laurie MenoudDirectorNamed in SEC Form D filings
  • William FitzhughExecutive Officer, DirectorNamed in SEC Form D filings
  • Xin LiExecutive Officer, DirectorNamed in SEC Form D filings

What it has protected

USPTO · 0 granted of 5
  • PendingPolymeric Binders For Electrochemical CellsUSPTOApplication 19429479
  • PendingPolymeric Binders For Electrochemical CellsUSPTOApplication 63738227
  • PendingSystems And Methods For Applying Isostatic Pressure On Electrochemical CellsUSPTOApplication PCTUS2024046044
Show all 5 patent records
  • Polymeric Binders For Electrochemical CellsJun 25, 2026 · Application 19429479Pending
  • Polymeric Binders For Electrochemical CellsApplication 63738227Pending
  • Systems And Methods For Applying Isostatic Pressure On Electrochemical CellsApplication PCTUS2024046044Pending
  • Rapidly Chargeable And Dischargeable BatteriesApplication 63547078Pending
  • System And Methods For Applying Isostatic Pressure On Electrochemical CellsApplication 63581925Pending
  • Onder, Inc.Similar federal contract value in Energy · null in contracts
  • Alderbuck Energy, Inc.Similar federal contract value in Energy · null in contracts
  • AIKIDO TECHNOLOGIES INCSimilar federal contract value in Energy · null in contracts
  • GASTECHNO CORPSimilar federal contract value in Energy · null in contracts
  • WINDWARD ENGINEERING, L.C.Similar federal contract value in Energy · null in contracts
  • Earthineering CoSimilar federal contract value in Energy · null in contracts

Regulatory activity · Energy

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .