Acoustic emissions reveal battery degradation patterns

Recent research has demonstrated that acoustic emissions from lithium-ion batteries can be correlated with specific internal degradation processes, such as gas generation and material fracturing. By analyzing these sound patterns alongside electrical data, it is now possible to non-invasively monitor battery health and predict failures. This approach offers a cost-effective, passive method for continuous battery monitoring, with potential applications in electric vehicles, grid storage, and manufacturing quality control. Early detection of issues through sound analysis could enhance safety, extend battery life, and improve the reliability of battery systems across various industries.

Recent analysis of acoustic emissions from lithium-ion batteries has enabled the identification of specific sound patterns linked to internal degradation processes, such as gas generation and material fracturing. This approach offers a cost-effective, passive, and nondestructive method for monitoring battery health in real time. By correlating acoustic signals with electrochemical data, it is now possible to predict battery lifespan and detect early signs of failure. These insights have significant implications for electric vehicles, grid storage, and battery manufacturing, providing new tools for quality control and safety monitoring.

MIT Researchers Decode Battery Sounds to Predict Degradation Correlating electrochemical data with acoustic data MIT's Department of Chemical Engineering has pioneered a method to monitor lithium-ion battery health by analyzing acoustic emissions during charging and discharging. Their study, published in Joule, identifies specific sound patterns linked to internal degradation processes such as gas bubble formation and material fractures. This innovative approach enables real-time, non-invasive monitoring of battery systems, offering potential applications in electric vehicles and grid-scale storage. By correlating acoustic data with electrochemical performance, the researchers have developed a cost-effective technique to predict battery lifespan and detect early signs of failure. This advancement could significantly enhance battery management strategies, leading to safer and more efficient energy storage solutions. https://lnkd.in/gU_ZaexB #BatteryTechnology #AcousticEmissions #EnergyStorage #ElectricVehicles #MITResearch

Recent analysis of acoustic emissions from lithium-ion batteries has enabled the correlation of specific sound patterns with internal degradation processes, such as gas generation and material fracturing. This approach offers a cost-effective, nondestructive method for real-time battery health monitoring. The findings have potential applications in electric vehicles, grid storage, and battery manufacturing, providing early detection of failure risks and improving quality control. By leveraging acoustic signatures, organizations can enhance safety, predict battery lifetimes, and optimize maintenance strategies, marking a significant advancement in battery management and reliability.

Recent analysis has demonstrated that acoustic emissions from lithium-ion batteries can be correlated with specific internal degradation processes, such as gas generation and material fracturing. By coupling electrochemical testing with advanced signal processing, researchers have developed a cost-effective, nondestructive method to monitor battery health in real time. This approach enables early detection of potential failures and could inform predictive maintenance for electric vehicles and grid storage. Additionally, the technique offers potential applications in battery manufacturing quality control and materials research, providing valuable insights into battery safety and longevity without invasive procedures.

A team of researchers at the MIT Chemical Engineering (ChemE) Department have done a detailed analysis of the sounds emanating from lithium ion batteries, and has been able to correlate particular sound patterns with specific degradation processes taking place inside the cells. The new findings could provide the basis for relatively simple, totally passive and nondestructive devices that could continuously monitor the health of battery systems, for example in electric vehicles or grid-scale storage facilities, to provide ways of predicting useful operating lifetimes and forecasting failures before they occur. The work is reported in the journal Joule in a paper by MIT graduate students Yash Samantaray and Alexander Cohen, former MIT research scientist Daniel Cogswell PhD ’10, and Chevron Professor of Chemical Engineering and professor of mathematics Martin Bazant. The work was carried out, in part, using MIT.nano's facilities! Read the MIT News article: https://lnkd.in/edCdvJQ5 #batteries #energy #electronics #chemicalengineering #engineering #nanoscience #mathematics #electrochemistry #science #technology #research

Australian researchers have identified “a new kind of carbon-based material” allowing supercapacitors to store as much energy as lead acid batteries while also performing better than conventional batteries at delivering power quickly. “This discovery could allow us to build fast-charging supercapacitors that store enough energy to replace batteries in many applications, and deliver it far more quickly,” said Mainak Majumder, who heads AM2D | ARC Research Hub for Advanced Manufacturing with 2D Materials. Dr Petar Jovanović, a research fellow at AM2D and study co-author, said that, when assembled into pouch cell devices, the Monash supercapacitors delivered “performance metrics are among the best ever reported for carbon-based supercapacitors” and with a process that is “scalable and compatible with Australian raw materials”. Dr Phillip Aitchison, CTO of Ionic Industries Ltd. and study co-author, added: “We’re working with energy storage partners to bring this breakthrough to market-led applications – where both high energy and fast power delivery are essential." The research is published in Nature Communications today. https://lnkd.in/gkFQbvKJ Monash University #energystorage #supercapacitors #manufacturing #australianmanufacturing #grapheneoxide #graphene

Breakthrough technology overcomes "the biggest barrier" to commercializing lithium-metal batteries for EVs... Researchers from the Frontier Research Laboratory, a joint project between the Korea Advanced Institute of Science and Technology and LG Energy Solution, have developed a technology that "dramatically" increases the performance of lithium-metal batteries. "While conventional lithium-ion batteries are limited to a maximum range of 600 km, the new battery can achieve a range of 800 km on a single charge, a lifespan of over 300,000 km, and a super-fast charging time of just 12 minutes." The researchers achieved this by solving the long-standing dendrite issue that has limited fast charging and battery lifespan in lithium-metal batteries. They found that dendrites (tiny, tree-like lithium crystals that can pierce the battery's layers, causing short-circuits) form due to "non-uniform interfacial cohesion" on the surface of the lithium metal. To suppress them, the team developed a "cohesion-inhibiting new liquid electrolyte," allowing the battery to maintain high energy density and deliver long driving ranges with stable operation even during fast charging. Researchers mentioned (not extensive): Dr. Hyeokjin Kwon, Professor Hee Tak Kim, Seong Su Kim, Seongyeong Kim, Jonghyun Hyun, Hongsin Kim #innovation #technology #electricvehicles #lithiumionbatteries #sustainability https://lnkd.in/gPFeYG8V

A research team at the US Department of Energy Oak Ridge National Laboratory (ORNL) has developed a new material that it claims prevents lithium-ion batteries from bursting into flames. https://lnkd.in/es6AGnBr #lithium #lithiumbatteries #batterysafety

Researchers develop the first room temperature all-solid-state hydride ion battery. Hydride ion (H), with their low mass and high redox potential, are considered promising charge carriers for next-generation electrochemical devices. However, the lack of an efficient electrolyte with fast hydride ion conductivity, thermal stability, and electrode compatibility has hindered their practical applications.- ---In a study published in Nature, Prof. Chen Ping's group from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) developed a novel core–shell hydride ion electrolyte, and constructed the #first #room #temperature all-solid-state rechargeable #hydride #ion #battery.--- Using a heterojunction-inspired design, researchers synthesized a novel core–shell composite hydride, 3CeH3@BaH2, where a thin BaH2 shell encapsulates CeH3. This structure leverages the high hydride ion conductivity of CeH3 and the stability of BaH2, enabling fast hydride ion conduction at room temperature along with high thermal and electrochemical stability. Furthermore, researchers constructed a CeH2|3CeH3@BaH2|NaAlH4 all-solid-state hydride ion battery using NaAlH4, a classical hydrogen storage material, as the cathode active component. The positive electrode of the battery delivered an initial discharge capacity of 984 mAh/g at room temperature and retained 402 mAh/g after 20 cycles. In a stacked configuration, the operating voltage reached 1.9 V, powering a yellow light-emitting diode lamp, which was a compelling example for practical applications. By adopting hydrogen as the charge carrier, this technology avoided dendrite formation, paving the way for safe, efficient, and sustainable energy storage. With the tunable properties of hydride-based materials, hydride ion batteries hold immense potential for clean energy storage and conversion. by Chinese Academy of Sciences