Improved shunt manifold and equipment block

The shunt manifold assembly with serpentine flow paths and rotationally symmetric sub-units addresses shunt losses in redox flow batteries, enhancing efficiency and simplifying manufacturing by facilitating self-draining and reducing electrical losses.

GB2702851APending Publication Date: 2026-07-01INVINITY ENERGY SYST (CANADA) CORP
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Patent Information

Authority / Receiving Office
GB · GB
Patent Type
Applications
Current Assignee / Owner
INVINITY ENERGY SYST (CANADA) CORP
Filing Date
2025-01-31
Publication Date
2026-07-01

AI Technical Summary

Technical Problem

Existing redox flow battery systems face challenges in reducing shunt losses due to conductive paths between series-connected cells, leading to electrical losses, increased maintenance costs, and complexity in manufacturing and upgrading systems with existing manifold designs.

Method used

A shunt manifold assembly with serpentine flow paths and rotationally symmetric sub-units, oriented to facilitate self-draining and reduce shunt currents, allowing for flexible manufacturing and efficient electrolyte circulation.

Benefits of technology

The solution effectively minimizes shunt losses, enhances system efficiency, and simplifies manufacturing and maintenance by providing a self-draining mechanism that reduces the likelihood of air locks and lowers material and manufacturing costs.

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Abstract

A shunt manifold assembly 80 for a redox flow battery 70 comprises at least a first shunt sub-unit 180 for electrolyte, the first shunt sub-unit comprising a first portion of a first distribution chan
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Citation Information

Patent Citations

  • Electrolyte distribution block having cooling function, and split stack type redox flow battery comprising same

    WO2016105034A1

  • Redox flow battery piping, method for manufacturing redox flow battery piping, piping unit, and redox flow battery

    WO2017203899A1

  • Flip-flop serpentine flow field for electrolyte distribution in electrochemical cells

    WO2021171302A1