Cell Design and Materials: Solid-State

Main American Solid State Pure Players The solid-state battery industry has seen significant investment and growth, with diverse electrolyte technologies and notable funding milestones achieved by both established players and emerging startups. We include here only companies mainly focused on solid state batteries. Company

Electrolyte Technology

Launch Date

Funding, Stage

Notable OEM Partners / Investors

No. Of Patent Families On Solid-state batteries Up

Volkswagen

To 202512 5

≥ 20 M$, Series A

≥ 10 M$, Seed/Serie A

Ford, NIO

~ 130 M$, Series B/C

Umicore

Polymer

~ 42,5 M$, Series B

DragonFly Energy

Undisclosed

≥ 145 M$, NADASQ Stock

Ensurge

Oxide/Polymer

~ 75 M€, Oslo stock

Mercedes-Benz

Factorial Energy

Polymer/Ceramic

~ 250 M$, Series D

Hyundai/Kia, Mercedes, Stellantis

Ion Storage System

Oxide

~ 85 M$, Series A

Toyota

Nuvvon

Polymer

~ 5,3 M$, Series A

Prieto Battery

Undisclosed

~ 32,35 M$, Series E

Hercules Electric Vehicles, Stanley B&D

QuantumScape

Oxide

$1 B$, NYSE Stock

Volkswagen, PowerCo, BMW

Sakuu

Oxide

~ 84,3 M$, Series C

NGK, SK, Musashi Seimitsu Industry

SoElect

Polymer

~ 14,3 M$, Series A

GM, Lotte Chemical

Solid Energy Systems

Semi-solid

~ 600 M$, NYSE Stock

Hyundai, Kia, Honda, GM, LG, SK, Geely, SAIC

Solid Power

Sulphide

~ 437 M$, NADASQ Stock

BMW, Ford, Solvay, Samsung, SK

24M Technology

Semi-solid

~ 250 M$, Series H

Adden Energy

Undisclosed

Ampcera

Sulfide

Blue Current

Polymer (composite)

Brightvolt

Those highlighted in dark blue are referred to semi-solid state companies Source: Summarised from industrial public materials (press releases, official website informations, etc.) and websites such as pitchbook, crunchbase, bloomberg, CBInsights, etc. Patent search performed by Knowmade Solid-state batteries, reports and monitor).

Extracted from the PDF; charts and images may read imperfectly.