Lithium-ion Batteries

Designing High Energy Density Lithium-Ion Batteries: From Key Cathode Materials to Pouch Cell Innovations

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Designing High Energy Density Lithium-Ion Batteries: From Key Cathode Materials to Pouch Cell Innovations

（Can be interpreted on behalf of the author, published after proofreading） Submission Channel ↑ With the global energy transition and increasing reliance on renewable energy, efficient and high energy density energy storage systems have become crucial. Lithium-ion batteries (LIBs), as the most mainstream energy storage technology, have commercial products whose energy density is approaching theoretical … Read more

Lifecycle Model of High C-Rate Medium Lithium-Ion Battery Packs

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Lifecycle Model of High C-Rate Medium Lithium-Ion Battery Packs

Main Findings The average battery temperature of the MFM/PCM-ATM (Microfiber Network/Phase Change Material Active Thermal Management) module is 2.27°C lower (at 11.25C discharge rate) and 3.83°C lower (at 20C discharge rate) than that of the aluminum-based ATM module, thereby extending the cycle life. At a 10% depth of discharge, the MFM/PCM-ATM module is expected to … Read more

Fully Printable Integrated Multifunctional Sensor Arrays for Intelligent Lithium-Ion Batteries

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Fully Printable Integrated Multifunctional Sensor Arrays for Intelligent Lithium-Ion Batteries

Monitoring the health status of batteries and predicting potential risks is a core technological support for ensuring the safe operation of battery packs. Current mainstream battery risk management solutions are limited by the complex and unique electrochemical behaviors of different battery chemical systems, often resulting in unclear warning indicators and untimely responses, making it difficult … Read more

Summary of Applications of Fiber Bragg Grating (FBG) Sensors in Lithium Batteries

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Summary of Applications of Fiber Bragg Grating (FBG) Sensors in Lithium Batteries

Fiber Bragg Grating (FBG) sensors exhibit significant application potential in monitoring lithium-ion batteries (LIB) due to their inherent advantages such as small size, lightweight, strong electromagnetic interference resistance, corrosion resistance, distributed sensing capability, and long-term stability。LIB is widely used in fields such as electric vehicles and energy storage systems, but safety incidents are frequent, making … Read more

High Sensitivity Detection of Lithium Plating in High-Energy Lithium-Ion Batteries Based on Time-Domain Distribution Relaxation Times Analysis

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High Sensitivity Detection of Lithium Plating in High-Energy Lithium-Ion Batteries Based on Time-Domain Distribution Relaxation Times Analysis

The team from the National University of Defense Technology proposed a lithium dendrite detection method based on time-domain relaxation time distribution (DRT), achieving an accuracy rate of over 99% after 240 cycles under different charging conditions, and can be integrated into existing Battery Management Systems (BMS) without additional hardware. The team automatically set the detection … Read more

The Growing Opportunities and Challenges in the Global Specialty Battery Market Driven by Electric Vehicles, Wearable Devices, and IoT

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The Growing Opportunities and Challenges in the Global Specialty Battery Market Driven by Electric Vehicles, Wearable Devices, and IoT

A specialty battery is designed and manufactured for specific devices or purposes. Compared to regular batteries, specialty batteries typically have higher energy density, longer lifespan, and more stable performance. They usually have specific voltage, capacity, and size requirements to meet the needs of particular devices. Specialty batteries are widely used in various fields, such as … Read more

Overview of SOC Estimation Methods

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Overview of SOC Estimation Methods

Welcome to the Battery Perspective! Previously, we introduced various electrode materials, battery manufacturing processes, and battery analysis content, mainly focusing on material manufacturers and cell manufacturers, with little introduction to battery applications. This section mainly discusses issues such as SOC and SOH in battery applications. The state of charge (SOC) of lithium-ion batteries is very … Read more

Recycling of Lithium-Ion Batteries

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Recycling of Lithium-Ion Batteries

Since the successful introduction of lithium-ion batteries (LIB) into the market 30 years ago, LIB has become the preferred energy storage solution in modern portable consumer electronics such as laptops, smartphones, and tablets. Additionally, as the most attractive battery technology for pure electric and hybrid vehicles, LIB is widely used in both private and industrial … Read more

A Review of Online SOC and SOH Estimation for Lithium Batteries in Electric Vehicles

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A Review of Online SOC and SOH Estimation for Lithium Batteries in Electric Vehicles

Original article link: https://doi.org/10.1016/j.egyr.2021.08.113Authors and Affiliations:Highlights of the Article:1. Classification and discussion of online SOC and SOH estimation methods.2. Review and discussion of joint estimation of SOC and SOH.3. Overview of the main advantages and limitations of recent methods.4. Key issues and future prospects for robust online SOC and SOH estimation are proposed.AbstractAs electric vehicles … Read more

Battery Thermal Runaway Series IV: Temperature Sensors

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Battery Thermal Runaway Series IV: Temperature Sensors

Source: Chip Learning Original Author: Chip Future This article mainly discusses temperature sensors. The operational performance and safety of lithium-ion batteries are closely related to their operating temperature range. Excessively high or low temperatures can lead to capacity degradation, increased internal resistance, and even catastrophic safety incidents such as thermal runaway. Therefore, establishing an efficient … Read more