How the Salgenx Saltwater Battery Will Revolutionize Grid Scale Energy Storage

TEL: 1-608-238-6001 Email: greg@salgenx.com

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Saltwater Battery

A new class of saltwater flow batteries is emerging that stores electricity and thermal energy without lithium or flammable electrolytes. Salgenx aims to make grid scale storage safer, cheaper, and more versatile.

The Salgenx Sodium Flow Battery using Saltwater

Introduction

The large battery market has been defined by lithium ion for a decade, but the next decade will be defined by systems that are safer, more modular, and better matched to multi hour and multi day needs. The Salgenx saltwater battery is built around widely available materials, container based deployment, and a multi modal design that can store electricity while also performing thermal and process tasks. This combination points to a new cost curve and operating model for utilities, microgrids, data centers, and industrial facilities.

What Makes Salgenx Different

1. Non flammable electrolyte

Saltwater based chemistry removes the fire risk associated with organic solvents. This improves siting flexibility and insurance profile for dense urban sites and data centers.

2. Abundant, low cost inputs

Core ingredients are salt, water, and common electrode materials. This reduces raw material volatility and enables regionalized manufacturing close to load.

3. Containerized architecture

Energy is stored in standard shipping containers that hold brine and electrolyte, with modular pumps, electrolyzers, and power blocks. Capacity can scale from a few megawatt hours to many hundreds by adding containers.

4. Multi modal capability

Beyond storing electricity, the system can couple to thermal storage, desalination, and other process streams. Dispatch can be optimized for revenue stacking, not just charge and discharge.

5. Long duration, deep cycling

Flow battery topology decouples power from energy. Adding more tanks increases hours of storage without redesigning the power section, making 6 to 24 hours and beyond practical.

How It Works at a High Level

Energy section

Electrolyzers and cell stacks convert electricity to stored chemical potential in saltwater based electrolytes. During discharge, stacks return power to the grid or facility.

Energy tanks

Separate tanks hold the electrolytes. Energy capacity scales with tank volume and concentration, not with the size of the stacks.

Balance of plant

Pumps, valves, heat exchangers, and controls handle circulation, safety interlocks, and integration with thermal loops or process modules.

Impact on the Large Battery World

1. Safety and siting

Non flammable electrolytes and low pressure operation allow siting near data halls, substations, and behind the meter loads, shrinking cable runs and interconnect costs.

2. Cost structure

With commodity inputs and containerized assembly, capital costs target a step change versus lithium systems at long durations. Energy capacity is added mostly as tanks and fluids, not additional stacks, which lowers dollars per kilowatt hour for multi hour storage.

3. Duration flexibility

Utilities increasingly value 6 to 12 hour storage for renewables firming and peak shaving. Salgenx scales duration without multiplying the number of battery modules.

4. Thermal integration

Waste heat from electrolyzers and stacks can be harvested. Coupling to thermal storage or chillers improves overall site efficiency, a key advantage in hot, humid regions such as Texas.

5. Process co products

The architecture can be tuned for ancillary processes such as desalination support or on site industrial chemistry, creating revenue stacking beyond time shifting.

Example Use Cases

Data centers

Peak shaving, renewable matching, and chilled water support. The non flammable profile and modular tanks align with campus build outs.

Utility renewables firming

Shift midday solar to evening peak and reduce curtailment without relying on gas peakers.

Industrial sites

Electrify heat and provide backup power while capturing process synergies such as brine handling or water treatment.

Microgrids and islands

Long duration storage with simple logistics and maintainability, using containers delivered by standard freight.

Comparative Advantages at a Glance

Safety: saltwater electrolyte, no thermal runaway

Materials: abundant and widely sourced

Scaling: add hours by adding tank volume

Operations: tolerant of repeated deep cycles

Integration: electricity plus thermal and process options

Deployment and Operations

Modular build

Standardized container blocks for electrolyzers, pumps, and tanks reduce on site work and enable phased expansion.

Controls

Dispatch logic can prioritize power, thermal, or process objectives based on market price signals and site needs.

Maintenance

Service focuses on pumps, seals, and filters. Tanks and fluids are accessible, and stack upgrades can be performed without replacing the entire energy inventory.

Sustainability Profile

• No lithium, cobalt, or nickel

• Recyclable fluids and tanks

• Lower embedded carbon for added duration because energy capacity scales with tank volume rather than additional high intensity cells

Why It Is Transformational

The Salgenx saltwater battery challenges the idea that one chemistry must do everything. By separating power from energy and enabling thermal and process coupling, it reframes storage as site infrastructure rather than a sealed black box. This shifts the economics for long duration and complex sites, opening markets where lithium ion is either too costly at high hours or constrained by safety and siting.

Conclusion

Grid operators, data center builders, and industrial energy managers are seeking storage that is safe, cost effective at long duration, and adaptable. The Salgenx saltwater battery addresses these needs with abundant materials, containerized scaling, and multi modal operation. As deployments grow, this approach can broaden where and how large batteries are used, accelerating the transition to reliable, low carbon power systems.

CONTACT TEL: +1 608-238-6001 (Chicago Time Zone) Email: greg@salgenx.com | AMP | PDF | Salgenx is a division of Infinity Turbine LLC