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Ionblox

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Developing high performance lithium ion batteries for the next generation of electric vehicles

Fremont, United StatesFounded 2017Aviation
Valuation $25–50M Last recorded · 2023
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Ionblox and the history behind them.

About Ionblox

Ionblox is a pioneering startup that has revolutionized the lithium-ion battery industry. The company has developed a unique lithium-ion battery that offers extreme fast charging, extended driving range, and long life, all in one cell. This is a significant breakthrough in the electric vehicle (EV) market, where battery performance is a key factor in consumer adoption.

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Ionblox's innovation lies in its use of silicon, which has ten times the specific capacity of graphite, traditionally used in battery anodes. By replacing graphite with ultra-high capacity silicon monoxide, the company has achieved a step change in battery performance. The company's proprietary technology also includes a nano-engineered solid electrolyte interphase (SEI) layer and cutting-edge cell architecture, which increase conductivity and ensure high cycle life with minimal capacity loss.

The company's batteries are designed for extreme fast charging, allowing them to be charged quickly without impacting overall cell performance. This is a significant advantage in the EV market, where long charging times have been a barrier to adoption. Furthermore, Ionblox's batteries offer a 30% higher driving range compared to average EV batteries, further enhancing their appeal to consumers.

Ionblox's batteries are not only suitable for EVs but also for advanced air mobility, particularly electric vertical take-off and landing (eVTOL) vehicles. The company is currently producing large format pouch cells for automotive and aviation customers, demonstrating the commercial viability of its technology.

In summary, Ionblox operates in the high-growth EV and eVTOL markets, offering a unique and superior battery technology that addresses key consumer pain points. Its business model is based on selling its batteries to automotive and aviation manufacturers.

Source: Dealroom company data

At a glance

Founded
2017
Headquarters
Fremont, United States
Sector
Aviation

Investors

4 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A4 investors entered at this stage

  • Lilium
  • Applied Ventures
  • Catalus Capital
  • Temasek
Team profiled 3 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇺🇸 United States100%
1 country shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Ionblox on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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