Ruthenium Ultracapacitors for High-Performance Energy Systems

Ruthenium’s exceptional pseudocapacitive behavior unlocks energy systems that are faster, more durable and more efficient. BLOOH’s platform pairs hydrated RuO₂ with a highly porous carbon matrix to deliver ultra-fast charge, very low ESR and long life for mobility and grid applications.

BLOOH Technological Highlights

• • Hydrated RuO₂ in porous carbon for high power density & stable cycling
• • Self-balancing architecture with extremely low ESR for safety & performance
• • Electrochemical simulations for lifetime prediction; plasma-sprayed, pore-controlled electrodes
• • In-house validation from −40 °C to +100 °C; multi-capacitive design for real-time grid segmentation
• • Full charge in <10 s and >1,000,000 cycles (application dependent)

Applications

• • EV kinetic energy recovery & fast-charge buffering
• • Grid stabilization for wind & solar; microgrid peak-load management
• • High-frequency backup in industrial UPS
• • Wearables, smart sensors & weight-critical aerospace subsystems

Portfolio

RU-CAP 800 — rugged cell for general industrial use

• • Material: hydrated RuO₂ on activated carbon
• • Capacitance: >800 F/g   |   Rated voltage: 2.7 V (per cell)
• • Operating temperature: −40 °C to +85 °C   |   Cycle life: >1,000,000
• • Form factor: cylindrical, Ø 60 mm

RU-CAP FLEX — ultra-light, flexible thin-film capacitor

• • Material: flexible carbon substrate with RuO₂ nanocoating
• • Capacitance: 550 F/g   |   Rated voltage: 2.3 V
• • Operating temperature: −20 °C to +70 °C   |   Cycle life: 750,000
• • Form factor: thin-film, roll-to-roll format

RU-CAP GRIDMAX — modular storage for grid infrastructure

• • Material: high-surface-area RuO₂ composite on porous graphite
• • Capacitance: 1,200 F/g   |   Rated voltage: 2.5 V
• • Operating temperature: −30 °C to +65 °C   |   Cycle life: >1.2 million
• • Form factor: modular panel system

Benefits at a Glance

• • Ultra-fast charge/discharge and high power density
• • Low internal resistance; low heat generation with integrated protections
• • Maintenance-free operation with very long service life
• • Stable performance under dynamic thermal and electrical loads

Engineered for renewable storage and grid stabilization, BLOOH Ru ultracaps deliver instant response, robust safety and durable performance across mobility and infrastructure.