CORESHELL TECHNOLOGIES INC
Protective thin-film coatings applied via roll-to-roll process to lithium-ion battery electrodes
- Sector
- Energy
- Headquarters
- Oakland, CA
- Founded
- 2017
- Latest Form D
- $46.3M, Apr 2026
- Total capital
- $60.6M
- Federal grants
- $1.5M
- 3 awards · 2019–2026
- Rank in peer group#33 of 44
- Private capital raised
- $58.9M
- 3 Form D · last Apr 2026
- 7 months since last filing
- Federal contracts
- $248K
- 1 award · Defense
- Rank in Energy#160 of 998
- Granted patents
- 8
- 17 pending · first 2021
- Rank in peer group#3 of 44
Capital timeline
Latest events
- Federal contractDefense · SBIR Phase I, Topic Number A254-P039, Xtechsearch 9 SBIR Finalist Open Topic Competition$248K
- Private capital raisedForm D · SEC · 3rd filing$46.3M
- Federal grantDefense · Phase I · SBIR Phase I, Topic Number A254-P039, Xtechsearch 9 SBIR Finalist Open Topic Competition$248K
- Private capital raisedForm D · SEC · 2nd filing$10.9M
- Federal grantNSF · Phase II · SBIR Phase II: Improved Lithium-Ion Batteries via Solution-Deposited Nanolayers on the Surface of Formed Electrodes$984K
- Private capital raisedForm D · SEC · 1st filing$1.7M
- Federal grantNSF · Phase I · SBIR Phase I: Improved Lithium-Ion Batteries via Solution-Deposited Nanolayers on the Surface of Formed Electrodes$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.
Federal first
15months
from CORESHELL TECHNOLOGIES INC’s first federal award to its first private round.
- First federal award · Feb 2019
- NSF · $225K
- First Form D · Apr 2020
- $1.7M · 1st Form D
- Awards before first raise
- 1 award
An association in public records, not a cause or a prediction.
Standing among 44 peers
Line = medianEnergy · Material
- Federal grantsBelow median
- Granted patents#3 · top 7%
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- Sourav Roger BasuResearcherExecutive Officer, DirectorLinked by 4 patents · $1.2M in grants as PI
- Alexander FangDirectorNamed in SEC Form D filings
- Benoist OllivierDirectorNamed in SEC Form D filings
- Hinrich WoebckenDirectorNamed in SEC Form D filings
- John NadaskayExecutive OfficerNamed in SEC Form D filings
- Jonathan TanExecutive Officer, DirectorNamed in SEC Form D filings
Show all 10 people
- Judith O'BrienDirectorNamed in SEC Form D filings
- Nami ParkDirectorNamed in SEC Form D filings
- Phillip Roger SarofimDirectorNamed in SEC Form D filings
- Youngduk KimExecutive OfficerNamed in SEC Form D filings
What it has protected
USPTO · 8 granted of 25- GrantedSolution-phase Deposition Of Thin Films On Conversion Anodes In Lithium-ion BatteriesUSPTOUS 12,362,346
- GrantedSolution-deposited Electrode Coatings For Thermal Runaway Mitigation In Rechargeable BatteriesUSPTOUS 12,347,850
- GrantedSolution-deposited Electrode Coatings For Thermal Runaway Mitigation In Rechargeable BatteriesUSPTOUS 11,990,609
Show all 25 patent records
- Solution-phase Deposition Of Thin Films On Conversion Anodes In Lithium-ion BatteriesJul 15, 2025 · US 12,362,346Granted
- Solution-deposited Electrode Coatings For Thermal Runaway Mitigation In Rechargeable BatteriesJul 1, 2025 · US 12,347,850Granted
- Solution-deposited Electrode Coatings For Thermal Runaway Mitigation In Rechargeable BatteriesMay 21, 2024 · US 11,990,609Granted
- Solution-phase Deposition Of Thin Films On Solid-state ElectrolytesApr 16, 2024 · US 11,961,991Granted
- Methods, Systems, And Compositions For The Liquid-phase Deposition Of Thin Films Onto The Surface Of Battery ElectrodesMar 26, 2024 · US 11,942,618Granted
- Deposition Of Films Onto Battery Material PowdersOct 5, 2023 · Application 18043471Pending
- Solution-phase Deposition Of Thin Films On Solid-state ElectrolytesFeb 21, 2023 · US 11,588,142Granted
- Solution-phase Electrodeposition Of Artificial Solid Electrolyte Interphase (sei) Layers On Battery ElectrodesJun 16, 2022 · Application 17438311Pending
- Liquid-phase Deposition Of Thin Films Onto The Surface Of Battery ElectrodesOct 5, 2021 · US 11,139,460Granted
- Methods, Systems, and Compositions for the Liquid-Phase Deposition of Thin Films onto the Surface of Battery ElectrodesApr 20, 2021 · US 10,985,360Granted
- Solution-phase Deposition Of Thin Films On Solid-state ElectrolytesApplication 62936609Pending
- Solution-deposited Electrode Coatings For Thermal Runaway Mitigation In Rechargeable BatteriesApplication 62934522Pending
- Solution-phase Electrodeposition Of Thin Films On Electrodes In Lithium-ion BatteriesApplication 62816510Pending
- Solution-phase Deposition Of Thin Films On Conversion Anodes In Lithium-ion BatteriesApplication 62810340Pending
- Organic Thin Film Coatings For Battery MaterialsApplication 19489196Pending
- Methods, Systems, And Compositions For The Liquid-phase Deposition Of Thin Films Onto The Surface Of Battery ElectrodesApplication PCTUS2018038612Pending
- Organic Thin Film Coatings For Battery MaterialsApplication PCTUS2024031975Pending
- Liquid-phase Deposition Of Thin FilmsApplication PCTUS2023075282Pending
- Nanostructured Seed Layers For Lithium Metal DepositionApplication PCTUS2022073393Pending
- Deposition Of Films Onto Battery Material PowdersApplication PCTUS2021048115Pending
- Solution- Phase Deposition Of Thin Films On Solid-state ElectrolytesApplication PCTUS2020060930Pending
- Solution-deposited Electrode Coatings For Thermal Runaway Mitigation In Rechargeable BatteriesApplication PCTUS2020059590Pending
- Liquid-phase Deposition Of Thin Films Onto The Surface Of Battery Material PowdersApplication 63072149Pending
- Solution-phase Electrodeposition Of Artificial Solid Electrolyte Interphase (sei) Layers On Battery ElectrodesApplication PCTUS2020021995Pending
- Solution-phase Deposition Of Thin Films On Conversion Anodes In Lithium-ion BatteriesApplication PCTUS2020019717Pending
Related companies, and why
- ALPHA-EN CORPORATIONSimilar federal contract value in Energy · $250K in contracts
- SiLi-ion Inc.Similar federal contract value in Energy · $250K in contracts
- Found Energy CoSimilar federal contract value in Energy · $249K in contracts
- WILLAMETTE TECHNICAL FABRICATORS, LLCSimilar federal contract value in Energy · $239K in contracts
- INVENTION HOUSE LLCSimilar federal contract value in Energy · $219K in contracts
- AVALANCHE ENERGY DESIGNS INCSimilar federal contract value in Energy · $214K in contracts
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
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 .