Cuberg, Inc.
Lithium metal battery with novel metallic anode formulation enabling high energy density, safety, and cycle life
- Sector
- Energy
- Founded
- 2017
- Total capital
- $1.3M
- Federal grants
- $225K
- 1 award · 2018
- Rank in peer group#19 of 28
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- $1M
- 3 awards · Defense, NASA
- Rank in Energy#123 of 998
- Granted patents
- 4
- 36 pending · first 2022
- Rank in peer group#5 of 28
Capital timeline
Latest events
- Federal contractDefense · COVID-19 Dib - SBIR Phase II. Topic: AFX20.R CSO1.TITLE: Lightweight And Safe Battery Technology For Electric Aviation - F2D-1042$1.0M
- Federal contractDefense · Lithium Metal Batteries With Increased Energy, Power, And Safety For Electric Aviation$50K
- Federal grantNSF · Phase I · SBIR Phase I: Novel Anode Formulation for Improving Cycle Life of Lithium Metal Batteries$225K
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.
1 record has no date or no amount, so it isn’t placed on the timeline.
Standing among 28 peers
Line = medianEnergy · Material
- Federal grantsBelow median
- Granted patents#5 · top 18%
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
Claim this profile to add your teamWhat it has protected
USPTO · 4 granted of 40- PendingLiquid Electrolytes Comprising Ionic Liquids for Lithium-Metal Battery ModulesUSPTOApplication 18654679
- PendingBattery System Control Based On State Space Aging ModelingUSPTOApplication 18535970
- PendingSimulated Dataset Generation And Model Pretraining For Simultaneous Parameter Identification, State Estimation, And Prediction Of Battery System Response In Battery Management SystemsUSPTOApplication 18457503
Show all 40 patent records
- Liquid Electrolytes Comprising Ionic Liquids for Lithium-Metal Battery ModulesNov 6, 2025 · Application 18654679Pending
- Battery System Control Based On State Space Aging ModelingJun 12, 2025 · Application 18535970Pending
- Simulated Dataset Generation And Model Pretraining For Simultaneous Parameter Identification, State Estimation, And Prediction Of Battery System Response In Battery Management SystemsMar 6, 2025 · Application 18457503Pending
- Model Adaptation Through Control Profile Perturbation For Simultaneous Parameter Identification, State Estimation, And Prediction Of Battery System Response In Battery Management SystemsMar 6, 2025 · Application 18457512Pending
- Simultaneous Parameter Identification, State Estimation, And Prediction Of Battery System Response In Battery Management SystemsMar 6, 2025 · Application 18457573Pending
- Lithium-Metal Negative Electrodes with Base and Protection LayersJan 23, 2025 · Application 18780161Pending
- Methods and Systems for Restoring Lithium Metal Liquid-Electrolyte Electrochemical CellsOct 17, 2024 · Application 18633975Pending
- Lithium-metal Rechargeable Electrochemical Cells With Liquid Electrolytes And Single-crystal Nickel-manganese-cobaltJun 27, 2024 · Application 18394380Pending
- Current Collectors Comprising Metal Grids And Methods Of Fabrication ThereofApr 25, 2024 · Application 18491939Pending
- Electrode-separator Integrated Assemblies And Lithium-metal Electrochemical Cells Using Such AssembliesApr 25, 2024 · Application 18491347Pending
- Lithium-metal Unit Cells And Methods Of Fabricating ThereofFeb 22, 2024 · Application 18451004Pending
- Battery Module Configured For Use In An Electric AircraftDec 19, 2023 · US 11,848,458Granted
- Rechargeable Battery Cells With Negative Electrodes Comprising Lithium Metal Supported On Metalized Plastic FilmsDec 14, 2023 · Application 18456348Pending
- Methods And Systems For Controlling Charge And Discharge Characteristics Of Lithium-metal Liquid-electrolyte Electrochemical CellsNov 30, 2023 · Application 18326125Pending
- Interconnecting Current Collectors Comprising Polymer BasesNov 28, 2023 · US 11,830,969Granted
- Methods And Systems For Forming Electrode StacksNov 23, 2023 · Application 18321608Pending
- System For An Ionic Liquid-based Electrolyte For High Energy BatteryOct 3, 2023 · US 11,777,087Granted
- Battery Assemblies Comprising Lithium-metal Electrochemical Cells And Pressure-applying StructuresSep 14, 2023 · Application 17654016Pending
- Battery Assemblies Comprising Lithium-metal Electrochemical Cells And Lithium-ejecta Containment ComponentsAug 10, 2023 · Application 17650442Pending
- System For An Ionic Liquid-based Electrolyte For High Energy BatteryDec 6, 2022 · US 11,522,177Granted
- System And Method For A Stable High Temperature Secondary BatteryMay 13, 2021 · Application 17021844Pending
- System And Method For A Stable High Temperature Secondary BatteryAug 30, 2018 · Application 15904315Pending
- Current Collectors Comprising Metal Grids And Methods Of Fabrication ThereofApplication 63380545Pending
- Electrode-separator Integrated Assemblies And Lithium-metal Electrochemical Cells Using Such AssembliesApplication 63380543Pending
- Lithium-metal Unit Cells And Methods Of Fabricating ThereofApplication 63371661Pending
- Methods And Systems For Controlling Charge And Discharge Characteristics Of Lithium-metal Liquid-electrolyte Electrochemical CellsApplication 63365586Pending
- Methods And Systems For Forming Electrode StacksApplication 63365157Pending
- System For An Ionic Liquid-based Electrolyte For High Energy BatteryApplication PCTUS2019066596Pending
- System And Method For Enabling The Reversible Cycling Of Batteries Containing Lithium Metal AnodesApplication 62784095Pending
- Non-flammable Ionic Liquid-based Electrolyte For High Energy Lithium Metal BatteryApplication 62780039Pending
- System And Method For A Stable High Temperature Secondary BatteryApplication PCTUS2018019594Pending
- Battery Assemblies Comprising Lithium-metal Electrochemical Cells And Pressure-applying StructuresApplication PCTUS2023062276Pending
- Negative Electrodes With Lithium Metal Layers And Durable Polymer Base LayersApplication PCTUS2024046605Pending
- Negative Electrodes With Polymer Base Layers, Lithium-metal Layers, And Current Collector Layers Comprising Alloys Or Multi-layered StructuresApplication PCTUS2024044490Pending
- Negative Electrodes Comprising Polymer Base Layers For Lithium-metal And Lithium-ion Electrochemical CellsApplication PCTUS2024044493Pending
- Methods And Systems For Restoring Lithium Metal Liquid-electrolyte Electrochemical CellsApplication PCTUS2024024257Pending
- Lithium-metal Cells With Liquid Electrolytes And High-porosity SeparatorsApplication PCTUS2024013217Pending
- Lithium-metal Rechargeable Electrochemical Cells With Liquid Electrolytes And Single-crystal Nickel-manganese-cobaltApplication PCTUS2023085683Pending
- Interconnecting Current Collectors Comprising Polymer BasesApplication PCTUS2023077668Pending
- Current Collectors Comprising Metal Grids And Methods Of Fabrication ThereofApplication PCTUS2023077506Pending
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Regulatory activity · Energy
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- List 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
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; 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
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Data freshness
SEC Form D filings through . SBIR and STTR awards through .