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

57 granted and
45 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

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.
Organic Binders: Proprietary anode binder used to adhere particles of active materials and conductive additives; optimized to have low impedance to current flow.
Organic Electrode Additives: Proprietary organic compound additives in the electrodes reduce mechanical strain and prevent undesired side reactions between the electrode and electrolyte.
Organic Electrolyte Additives: Tailored electrolyte additives provide metalloid anodes increased surface and bulk stabilities, improving long-term cycling and calendar life.
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

High current
Low resistance
Unique formation

The cell should avoid

Dendrite formation
Swelling of the active materials

At the system level

Cells assembled in the pack must be balanced and have low resistance
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