Parallel Electrochemical Characterization for Ionic Conductivity

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current methods for measuring ionic conductivity in electrolytes for lithium-ion batteries and redox flow batteries are inadequate for high-throughput and precise characterization, limiting the development of advanced energy storage technologies.

Innovation Solution

An electrochemical characterization apparatus and system comprising an electrode pair, holder component, and second electrode containment, integrated with a cell plate and robotic/manual sampling platform, enabling high-throughput electrochemical characterization through electrochemical impedance spectroscopy and cyclic voltammetry.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional methods are used to measure ionic conductivity, then measurement precision can be maintained, but productivity is limited due to low throughput

Engineering Contradiction:
ImprovethroughputVSAvoidconductivity measurement accuracy
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The system divides the measurement process into multiple parallel channels, each capable of independently measuring conductivity. This segmentation allows simultaneous measurement of multiple electrolyte samples, increasing throughput while maintaining individual measurement precision through dedicated measurement circuits for each channel.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The apparatus is designed as a universal platform that can measure multiple electrochemical properties (ionic conductivity, charge transfer resistance, ion mobility) using the same hardware infrastructure. This multi-functionality enables high-throughput screening of various electrolyte formulations without requiring separate specialized equipment for each measurement type.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Productivity

If high-throughput screening is implemented, then productivity increases, but device complexity increases

Engineering Contradiction:
Improvescreening speedVSAvoidsystem structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

Multiple measurement functions and sample handling capabilities are merged into a single integrated apparatus. The system combines electrochemical cells, measurement electronics, temperature control, and automated sampling into one unified platform, reducing overall system complexity compared to using separate instruments for each function while achieving high-throughput capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system incorporates automated features that enable self-service operation, including robotic sampling platforms for automatic electrolyte transfer, built-in temperature control for maintaining optimal measurement conditions, and software-driven coordination of multiple measurement channels. These self-service capabilities reduce manual intervention and system complexity management.

Inventive Principle:
Principle #25Self-service

3Productivity

If automated robotic platforms are used, then productivity improves, but ease of operation decreases due to automation complexity

Engineering Contradiction:
Improveautomation throughputVSAvoiduser interface complexity
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system incorporates feedback mechanisms that automatically adjust operational parameters based on real-time measurements and system state. This enables the robotic platform to self-correct and adapt to varying sample conditions, maintaining ease of operation while achieving high automation throughput. Users benefit from automated decision-making without needing to manually program complex workflows.

Inventive Principle:
Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Facilitates rapid and efficient screening of electrolytes and electrodes, providing large-scale data for energy storage technology development, enhancing the discovery of novel materials and improving battery performance.

Implementation Method 1

performing electrochemical screening with the system

Methodology Applied
Scientific EffectElectrochemical impedance spectroscopy: Electrical Resistance

Implementation Method 2

performing electrochemical screening with the system

Methodology Applied
Scientific EffectCyclic voltammetry: Electrical Resistance

Data Source

PatentUS12429446B2High-throughput electrochemical characterization apparatus and system and methods for using the same
Publication Date: 2025.09.30 BATTELLE MEMORIAL INST
  • US12429446B2 patent drawing
  • US12429446B2 patent drawing
  • US12429446B2 patent drawing

AI summary

Disclosed herein is an electrochemical characterization apparatus and system that facilitates high-throughput measurements of various different properties and/or performance characteristics of components of an energy storage and conversion device, such as an electrolyte and/or electrodes. Also disclosed are methods for using the electrochemical characterization apparatus and system.