Develops lithium-sulfur and solid-state batteries using proprietary sulfur crystal wafers and solid-state polymer electrolytes to achieve gravimetric energy densities of up to 1,000 Wh/kg and ultra-fast charging capabilities under 10 minutes. These batteries are designed for mobile, stationary, and aerospace applications, offering a sustainable alternative with lower material costs, reduced lifecycle energy consumption, and no reliance on cobalt or nickel.
Funding
Funding not disclosed
Founders
Product
Problem
Current battery technology relies on materials like cobalt and nickel, which have high material costs, environmentally harmful mining processes, and limited energy density. Existing batteries also suffer from long charging times and high lifecycle energy consumption.
Solution
Theion is developing lithium-sulfur batteries utilizing proprietary sulfur crystal wafers and solid-state polymer electrolytes. This technology aims to achieve significantly higher gravimetric energy densities, targeting up to 1,000 Wh/kg, and ultra-fast charging capabilities under 10 minutes. Theion's crystal battery is designed for mobile, stationary, land mobility, air mobility and aerospace applications, offering a sustainable alternative with lower material costs, reduced lifecycle energy consumption, and eliminating the need for cobalt or nickel. The sulfur-based cathode material is a byproduct of industrial processes, avoiding harmful mining practices and enabling full recyclability at low cost.
Target Audience
The primary target markets include electric vehicles (land mobility), aerospace, air mobility, and stationary energy storage (grid, residential, and industrial applications).
Features
- High gravimetric energy density, targeting 1,000 Wh/kg
- Ultra-fast charging capabilities, achieving full charge within minutes
- Long cycle life, on par with industry standards
- High safety due to patented safe anode and intrinsically safe sulfur cathode
- Sustainable materials: no cobalt, no nickel, no solvents, and no harmful mining required
- Low material cost: sulfur costs approximately 1% of NMC811 materials
- Low energy consumption across the value chain
- Direct Crystal Imprinting (DCi) method for growing pure sulfur wafers directly from molten sulfur in seconds, eliminating slurry coating, solvents, water, and drying
- Proprietary solid-state polymer electrolyte operating in the voids of the sulfur wafer
- Proprietary lithium metal host foil as anode
- Compatibility with bipolar cell arrangement to maximize energy and power content
- Cell stack assembled into housings optimized for customer applications to maximize module-pack-system energy content
- Operational temperature range: -20 °C to 60 °C