Related Experiment Video
Updated: May 11, 2025
08:11
Failure Analysis of Batteries Using Synchrotron-based Hard X-ray Microtomography
Published on: August 26, 2015
8.8K
Cracking the failure of lithium batteries
Jagjit Nanda1,2, Sergiy Kalnaus3
1SLAC-Stanford Battery Center, Applied Energy Division, SLAC National Accelerator Laboratory, Menlo Park, CA, USA.
Science (New York, N.Y.)
|April 17, 2025
Summary
Electrode damage from prolonged operation resembles fatigue, impacting performance over time. This study investigates the mechanisms behind this electrode fatigue.
Area of Science:
- Materials Science
- Electrochemistry
- Battery Technology
Background:
- Electrodes in devices undergo stress during operation.
- Understanding material degradation is crucial for device longevity.
Purpose of the Study:
- To characterize the damage accumulation in electrodes after extended use.
- To establish parallels between operational damage and material fatigue.
Main Methods:
- Electrochemical testing of electrodes under various operational conditions.
- Post-operation material analysis using microscopy and spectroscopy.
Main Results:
- Observed significant structural and chemical changes in electrodes post-operation.
- Damage patterns were consistent with fatigue mechanisms seen in bulk materials.
Conclusions:
- Prolonged electrode operation leads to fatigue-like damage.
- This fatigue impacts electrode performance and device lifespan.
More Related Videos
11:25Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway
Published on: March 7, 2022
4.4K
08:42In Situ Gas Analysis and Fire Characterization of Lithium-Ion Cells During Thermal Runaway Using an Environmental Chamber
Published on: March 31, 2023
2.0K
Related Concept Videos
03:12Batteries and Fuel Cells
26.7K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
26.7K
02:47Voltaic/Galvanic Cells
54.6K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
54.6K
01:03Long-term Depression
2.4K
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...
Calcium Ion Concentration Mechanism
If over...
2.4K
01:21Fatigue
166
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
166
01:15Resting Potential Decay
4.8K
The resting membrane potential of a neuron (-70mV) is sustained due to the selective ion permeability of the membrane. At the resting potential, the membrane is slightly permeable to ions like sodium (Na+) and chloride (Cl−) and highly permeable to potassium ions (K+). Differences in the ions' concentration inside the cell compared to the outside are maintained by membrane transport proteins like channels and pumps.
At rest, the K+ is the main ion that moves across the membrane...
At rest, the K+ is the main ion that moves across the membrane...
4.8K
01:14Design Example: Automobile Ignition System
192
The automobile's ignition system plays a vital role by ensuring the timely ignition of the fuel-air mixture in each cylinder. This ignition is facilitated by a spark plug, which is composed of two electrodes separated by an air gap. A spark forms across this air gap when a substantial voltage is generated between the electrodes, leading to the ignition of the fuel.
One can generate a large voltage using a car battery of 12 volts with the help of inductors. Inductors are known for opposing...
One can generate a large voltage using a car battery of 12 volts with the help of inductors. Inductors are known for opposing...
192