Technology
The future of charging
StoreDot innovation is based on a holistic design process, which integrates the cell chemistry and its system engineering.
Our methodology includes a layer of artificial intelligence and machine learning tools to optimize the overall system. This overcomes the limitations to ultra-fast charging lithium-ion batteries while utilizing standard lithium-ion battery manufacturing facilities and processes.
Holistic approach to fast charging
Anode
Coated layered nanoparticles, embedded in organic conductive matrix
Data Science
Artificial Intelligence and Machine Learning, automated optimization of material compounds
Cathode
Proprietary compounds for enhanced stability and saftey
Cell Structure
Thin layer coating, optimized for ultra-fast charging thermal management
Electrolyte
High voltage capability, enhanced safety with dendrite prevention
Electronics
Dynamic charging profiles with real time voltage management
61 granted and
31 pending patents
Why is FlashBattery technology unique?
Extreme-fast charging
Battery is fully charged in minutes
Innovative formulation optimized for
Cycle life
Energy density
Safety
Materials
Proprietary organic compounds combined with nano-materials, based on strong artificial intelligence and machine learning
Production
Scalable production, utilizing existing manufacturing facilities with minor modifications
Inspired by Nature
Technology highlights
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Nano Materials: High electrochemical energy nano-particles
as active material are important for high electrochemical activity and are designed to increase conductivity. nano-particles enable ultra-fast charging and higher storage density.
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Organic Binders: Proprietary anode binder used to adhere particles of active materials and conductive additives; optimized to have low impedance to current flow.
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Organic Electrode Additives: Proprietary organic compound additives in the electrodes reduce mechanical strain and prevent undesired side reactions between the electrode and electrolyte.
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Organic Electrolyte Additives: Tailored electrolyte additives provide metalloid anodes increased surface and bulk stabilities, improving long-term cycling and calendar life.
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Formation process: enables stable solid electrolyte interphase (SEI) for preventing irreversible consumption of electrolyte and lithium ions.
Using nano-materials and organic compounds
coated in a very thin layer of up to 10 microns
Particle size
Nano size active materials that enable ultra fast Li ion diffusion
Anode cross section
Thin layer electrodes which consist of high electrical conductivity matrix with high capacity
Self-healing 3D organic polymers enhancing mechanical strength
Addressing Si Challenges
Cell design should include
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High current
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Low resistance
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Unique formation
The cell should avoid
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Dendrite formation
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Swelling of the active materials
At the system level
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Cells assembled in the pack must be balanced and have low resistance
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Extreme-fast charging should work well under low temperatures
Commercializing Extreme-Fast Charging
Extreme-fast charging battery design
Production process
The manufacturing process of StoreDot extreme-fast charging is simple, scalable, and fully compatible with existing lithium-ion battery technology.
1]
Raw Materials
Nano particles and proprietary organic compounds are prepared and characterized
5]
Cutting Electrodes
The electrodes are punched or cut into desired shape
2]
Material Mixing
The electrode materials are mixed and prepared (slurry)
6]
Cell Assembly
The electrodes are stacked together with a separator between them which usually is based on a multilayered polymer
3]
Coating & Drying
The slurry is coated and dried on a metallic foil which is the current collector
7]
Electrolyte Filling
Injection of electrolyte with conductive salt, degassing and pouch sealing
4]
Calendaring
Rolling the coated foils under pressure to achieve desired porosity
8]
Formation
Charging and discharging the cell for the first time to achieve optimal formation