Proof of Usefulness Report

Cuberg

Analysis completed on 1/19/2026

+55
Proof of Usefulness Score
You're In Business

Cuberg was a legitimate high-tech battery developer acquired by Northvolt in 2021. However, this submission contains critical inaccuracies and red flags. Most notably, Northvolt shut down Cuberg's US operations in August 2024, shifting R&D to Sweden and selling assets to Lyten, making the 'operating in Silicon Valley' claim outdated. Furthermore, the traction claim 'most people have used my product' is demonstrably false for specialized aviation batteries, and the 'everyone' audience target is incorrect. The submission appears to be based on stale data with low-quality user input.

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Score Breakdown

Real World Utility+75
Audience Reach Impact+5
Technical Innovation+90
Evidence Of Traction+20
Market Timing Relevance+10
Functional Completeness+5
Subtotal+48
Usefulness Multiplierx1.14
Final Score+55

Project Details

Project URL
Description
Cuberg is commercializing next-generation battery technology to power the future of electric mobility. The company was acquired in 2021 by Northvolt, a global supplier of sustainable, high-quality battery cells and systems. As Northvolt's Advanced Technology Center operating in Silicon Valley, Cuberg is developing and commercializing lithium metal batteries, building an innovation ecosystem around lithium-ion technology, and leveraging Northvolt's state-of-the-art manufacturing capabilities to rapidly scale up production of advanced batteries.\n\nCuberg's groundbreaking lithium metal battery delivers generational improvements in energy density and power output and was validated by the U.S. Department of Energy in 2020. The company's battery products are ideally suited to power the next generation of electric vehicles on the ground and in the air, offering longer ranges and flight times, greater payloads, and lower cost of ownership. The technology, based on a non-flammable liquid electrolyte combined with a lithium metal anode, is fully compatible with existing lithium-ion manufacturing infrastructure to accelerate time-to-market.\n\nCuberg spun out of the materials science department at Stanford University in 2016 and received seed funding from Boeing HorizonX Ventures as well as grants from Activate.org, the California Energy Commission, the U.S. Department of Energy, the U.S. National Science Foundation, CalSEED, and others. The company is headquartered in Emeryville, California.
Audience Reach
everyone
Target Users
everyone
Technologies
Energy Solutions, Construction, Manufacturing
Traction Evidence
most people have used my product

Algorithm Insights

Market Position
Growing utility with room for optimization
User Engagement
Documented reach suggests active user community
Technical Stack
Modern tech stack aligned with sponsor technologies

Recommendations to Increase Usefulness Score

Document User Growth

Provide specific metrics on user acquisition and retention rates

Showcase Revenue Model

Detail sustainable monetization strategy and current revenue streams

Expand Evidence Base

Include testimonials, case studies, and third-party validation

Technical Roadmap

Share development milestones and feature completion timeline