/Investor DB

Volta Energy Technologies — Full Portfolio

7 tracked investments · listed companies and verified rows first

Solid Powersolidpowerbattery.comin𝕏NASDAQ: SLDP

Solid Power develops all-solid-state battery technology for automotive applications.

EnergyHardwareNew MaterialsLouisville, US

Douglas Campbell(Co-founder & CEO)inAlexandra Gold(Executive Officer)inBrandon Kelly(Executive Officer)inSteve Furhman(Executive Officer)Joshua Buettner-Garrett(Executive Officer)Linda Heller(Chief Financial Officer, Treasurer, and Secretary)in

Co-investorsAventurine PartnersBMW i VenturesSnatched Ventures

Atana Elementsatanaelements.comFeb 2026

Atana is a mineral exploration company that uses proprietary geological databases, machine learning, and oil-and-gas subsurface techniques to identify and de-risk critical mineral systems, with a focus on lithium brine resources.

AI & Machine LearningCleantechClimate TechHouston, US

David Edwards(Executive Officer)Thomas Wilson(Executive Officer, Director)in

BoardRaef Sully(Director)Sidney Brown(Director)in

Co-investorsLowercarbon CapitalCarnrite VenturesEarthshot VenturesSunna VenturesVerve VenturesWovenEarth

Echion Technologiesechiontech.comin

Echion Technologies is a battery technology company that develops and commercialises XNO®, a niobium-based fast-charging battery anode material supplied to cell manufacturers worldwide.

CleantechDeep TechEnergyNew Materials

Jean de la Verpillière(CEO & Co-founder)inAlex Groombridge(CTO & Co-founder)inBen Ting(Chief Commercial Officer)inSarah Stevenson(Chief Operating Officer)inCeri Neal(Chief Financial Officer)in

Co-investorsEMV CapitalKima VenturesMartlet CapitalZero Carbon CapitalBusiness Growth FundePlanet Capital+2 more

Iontraiontra.comin𝕏Nov 2024 · $45M

Iontra develops patented Charge Control battery charging technology that uses advanced signal processing and custom charging algorithms to prevent cell damage like lithium plating and dendrite growth, improving battery performance, charge speed, and lifespan.

CleantechDeep TechHardwareCentennial, US

Jeffery Granato(Executive Officer, Director)Daniel Konopka(Director)in

BoardLadd Fritz(Director)David Schroeder(Director)Jonathan Gurnsey(Director)

Liminalliminal.aiin𝕏Apr 2022 · $8M

Liminal provides a security-first platform that enables regulated enterprises to safely deploy and govern generative AI across their organization, with multi-model access, data protection, and cost efficiency.

AI & Machine LearningCybersecurityEnterprise Software

Aaron Bach(CTO + Co-Founder)inSteven Walchek(Founder)inMahin Gupta(Founder)

Co-investorsDraper AssociatesElevation CapitalFlorida FundersFramework Venture PartnersGood Growth CapitalHigh Alpha+8 more

Liminal Insightsliminalinsights.comin𝕏Apr 2022 · $8M

Liminal Insights uses ultrasound-based technology to provide quality control and inspection for battery cell R&D and manufacturing, targeting battery cell manufacturers and automotive OEMs.

Advanced ManufacturingAI & Machine LearningCleantechDeep TechEnergyHardwareBay Area, US

Andrew Hsieh(Executive Officer, Director)inShaurjo Biswas(CEO, CTO, & Co-Founder)inDan Steingart(Co-Founder)inBarry Van Tassell(Co-Founder)inMinhye Mueller(COO & CFO)inAlfred Lam(Director)in

Co-investorsArcTern VenturesChrysalixEcosystem Integrity FundGood Growth CapitalHelios Climate VenturesISV+4 more

NanoGraf Technologiesnanograf.cominJan 2023

NanoGraf develops a silicon-based high-energy-density anode material intended to replace graphite anodes and improve the performance of lithium-ion batteries.

CleantechEnergyNew MaterialsChicago, US

Samir Mayekar(NanoGraf Founder; Government & Policy Advisor)inFrancis Wang(Executive Officer, Director)inConnor Hund(Executive Officer)inErik Birkerts(Chief Executive Officer)inKara Rodby(Chief Strategy Officer)inJia Chow(VP of Manufacturing)

Co-investorsEarth FoundryEmerald Technology Ventures AgEnergy FoundryEvergreen Climate InnovationsMaterial ImpactHyde Park Angels

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.