ANTHRO ENERGY INC

San Jose, CA · Founded 2021 · Energy · Private

Advanced polymer electrolyte for lithium-ion battery anodes

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Updated Oct 23, 2026 · anthroenergy.com

Sector: Energy
Headquarters: San Jose, CA
Founded: 2021
Total capital: $6.4M

Federal grants: $2.3M; 3 awards · 2022–2024; Rank in peer group#38 of 39
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $4.1M; 4 awards · Defense; Rank in Energy#63 of 998
Granted patents: 2; 16 pending · first 2025; Rank in peer group#16 of 39

Capital timeline

Latest events

Aug 2024Federal contractDefense · Small Business Innovation Research Phase I Proposal F241-0007-0078 - Flexcell: Enabling Rapid Prototyping Of Airforce Systems And Unlocking Design Freedom With Moldable Lithium Battery Cells$180K
Jul 2024Federal contractDefense · Monthly Status Report$1.9M
Jun 2024Federal grantDefense · Phase I · Small Business Innovation Research Phase I Proposal F241-0007-0078 - Flexcell: Enabling Rapid Prototyping Of Airforce Systems And Unlocking Design Freedom With Moldable Lithium Battery Cells$180K
May 2024Federal grantDefense · Phase II · Monthly Status Report$1.9M
Sep 2023Federal contractDefense · "anthro Energy" SBIR Phase II Under Topic: A224-016$1.8M
Sep 2022Federal contractDefense · Small Business Innovation Research (SBIR) Phase I, Clean Tech$250K
Jun 2022Federal grantEnergy · Phase I · 14a Robust In-Situ Formed Polymer Electrolytes for Stabilizing High-Silicon Content Anodes$200K

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 39 peers

Line = median

Energy · Material

Federal grantsBelow median
Granted patents#16 · top 41%

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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 2 granted of 18

Apr 23, 2026PendingSystem And Method For Improved Battery Structural PropertiesUSPTOApplication 19159201
Mar 26, 2026PendingShaped Battery Cell And Method Of ManufactureUSPTOApplication 19338421
Dec 4, 2025PendingSystem And Method For Improved Battery Structural PropertiesUSPTOApplication 19307908

Show all 18 patent records

System And Method For Improved Battery Structural PropertiesApr 23, 2026 · Application 19159201Pending
Shaped Battery Cell And Method Of ManufactureMar 26, 2026 · Application 19338421Pending
System And Method For Improved Battery Structural PropertiesDec 4, 2025 · Application 19307908Pending
System And Method For Improved Battery Structural PropertiesNov 25, 2025 · US 12,482,860Granted
System And Method For Improved Battery SafetyOct 23, 2025 · Application 19184705Pending
Flexible BatteryAug 28, 2025 · Application 19205251Pending
Gel Electrolyte Composition For A Battery And A Method Of ImplementationMar 13, 2025 · Application 18960109Pending
Gel Electrolyte Composition For A Battery And A Method Of ImplementationJan 7, 2025 · US 12,191,447Granted
Gel Electrolyte Composition For A Battery And A Method Of ImplementationAug 22, 2024 · Application 18443695Pending
Tough Polymer Electrolyte Composition For A Battery And A Method Of ImplementationApplication 63485332Pending
System And Method For Improved Battery SafetyApplication PCTUS2025025608Pending
System And Method For Improved Battery Structural PropertiesApplication PCTUS2024053223Pending
Shaped Battery Cell And Method Of ManufactureApplication 63698349Pending
Flexible BatteryApplication 18779553Pending
System And Method For Improved Battery SafetyApplication 63636224Pending
Gel Electrolyte Composition For A Battery And A Method Of ImplementationApplication PCTUS2024016113Pending
System And Method For Improved Battery Structural PropertiesApplication 63593686Pending
Shaped Battery Cell And Method Of ManufactureApplication PCTUS2025047688Pending

Sydor Instruments, LLCSimilar federal contract value in Energy · $4.5M in contracts
Safire Technology Group, Inc.Similar federal contract value in Energy · $4.5M in contracts
SEATREC, INC.Similar federal contract value in Energy · $4.2M in contracts
ARDICA TECHNOLOGIES, INC.Similar federal contract value in Energy · $4.1M in contracts
Bioenno Tech, LLCSimilar federal contract value in Energy · $4M in contracts
ELECTRO MECHANICAL ASSOCIATES INCSimilar federal contract value in Energy · $3.9M in contracts

Regulatory activity · Energy

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
01 Jul 2026List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.