Multi-Sensor Gas Detection for Lithium-Ion Battery Storage

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Solution Overview

Problem

Lithium-ion batteries are prone to thermal runaway due to internal or external short circuits and high temperatures, leading to potential explosions, necessitating effective mechanisms for safe storage and early detection of thermal events.

Innovation Solution

A gas detection device for lithium-ion battery storage containers, equipped with CO/CO2 sensors and temperature sensors, which alert upon exceeding predefined thresholds, providing early detection of thermal events by monitoring gas concentrations and temperatures within the container.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If lithium-ion batteries are stored in containers without monitoring systems, then storage simplicity is maintained, but safety and early detection capability deteriorate

Engineering Contradiction:
ImprovesafetyVSAvoidmonitoring system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple sensing functions (CO detection, CO2 detection, temperature detection) into a single integrated sensing component that threads into the container lid, merging multiple safety monitoring capabilities into one unified device

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The sensing component serves multiple functions simultaneously: detecting carbon monoxide, carbon dioxide, and temperature, providing comprehensive safety monitoring through a single multi-functional device

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

2Measurement precision

If gas detection devices are installed in container lids, then early detection capability is improved, but installation complexity increases

Engineering Contradiction:
Improvegas concentration detectionVSAvoidinstallation ease
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The gas detection device is designed as a separate, modular sensing component that can be independently manufactured and then installed by threading into the container lid, separating the sensing function from the container structure

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The sensing component is pre-configured with all necessary sensing elements (CO sensor, CO2 sensor, temperature sensor) and control electronics before installation, allowing for straightforward plug-and-play installation without complex assembly on-site

Inventive Principle:
Principle #10Preliminary action

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

Enables early identification of thermal events in lithium-ion batteries, preventing the spread of thermal runaway to neighboring cells by alerting authorities before a catastrophic event occurs, ensuring safer storage and disposal processes.

Implementation Method 1

at least one of a carbon monoxide or carbon dioxide sensor configured to sense an associated level carbon monoxide or carbon dioxide within the container

Methodology Applied
Scientific EffectGas sensing:

Implementation Method 2

a temperature sensor configured to detect a temperature within the container

Methodology Applied
Scientific EffectTemperature sensing:

Data Source

PatentUS11719675B2Gas detection device for lithium-ion battery storage system
Publication Date: 2023.08.08 CIRBA SOLUTIONS SERVICES US LLC
  • US11719675B2 patent drawing
  • US11719675B2 patent drawing
  • US11719675B2 patent drawing

AI summary

A gas detection device for a drum containing lithium-ion batteries, may include a sensing component configured to be received by a threaded port of a lid of the container, the sensing component including at least one sensor configured to detect a gas concentration and a temperature of the drum, and a controller configured to receive the gas concentration and the temperature from the sensing component, and issue an alert in response to one of the gas concentration and the temperature exceeding an associated predefined threshold.