thermal runaway of batteries

Calculation of the heat generation of lithium batteries

May , 24 2025

The calculation of heat generation of lithium batteries is an important part of battery thermal management, involving multiple heat sources. The following are the detailed calculation methods and steps: 1. Main source of heat The heat generation of lithium batteries mainly comes from the following parts: Joule heat (Qj) : The heat generated when current passes through the internal resistance of a ...

more

The reason why LiFePO4 batteries cannot be charged but can be discharged below 0℃

Jun , 07 2025

Why LiFePO4 Batteries Cannot Be Charged Below 0°C but Can Still Discharge The reason why LiFePO4 (Lithium Iron Phosphate) batteries, such as the EverExceed battery range, cannot be charged below 0°C yet can still discharge lies mainly in their electrochemical characteristics and safety considerations. 1. Why Charging Is Restricted at Low Temperatures Lithium Plating Risk: At sub-zero temperatures,...

more

The Impact of High Temperatures on Lead-Acid Batteries and Recommended Solutions

Jul , 19 2025

Lead-acid batteries are widely used in energy storage, telecom base stations, and UPS systems. However, their performance is significantly affected by ambient temperature—especially under high-temperature conditions, which can lead to rapid degradation and potential safety risks. Below are six key impacts of high temperature on lead-acid batteries and how to address them: 1. Short-Term Capacity Ga...

more

The Hazards of Overcharging Lead-Acid Batteries

Aug , 08 2025

1. Significant Capacity Decline ① During overcharging, excessive chemical reactions occur inside the battery. The active material, lead dioxide, on the positive plate gradually becomes loose and loses its original structural stability, reducing its ability to participate in electrochemical reactions. ② The active material, spongy lead, on the negative plate also experiences a coarsening of particl...

more

Why EverExceed Ni-Cd Batteries Use Potassium Hydroxide (KOH) as Electrolyte

Aug , 22 2025

When it comes to industrial-grade energy storage, nickel-cadmium (Ni-Cd) batteries remain a trusted choice thanks to their reliability, long service life, and excellent temperature tolerance. A critical factor behind this proven performance is the use of potassium hydroxide (KOH) as the electrolyte. At EverExceed, our advanced Ni-Cd batteries are engineered with optimized KOH formulations to maxim...

more

Safe Storage of Lithium-Ion Batteries | EverExceed

Aug , 29 2025

Lithium-ion batteries are widely used in energy storage, UPS systems, and various industrial applications. To ensure long-term safety and performance, proper storage is essential. EverExceed provides professional guidance on the safe storage of lithium-ion batteries to help customers minimize risks and maintain reliability. Storage Requirements and Recommendations Ambient Temperature dian Optimal:...

more

Five Core Advantages of Lithium Batteries for Telecommunication Base Stations

Sep , 05 2025

The Five Core Advantages of EverExceed Telecom Base Station Lithium Batteries Compared with traditional lead-acid batteries, EverExceed lithium batteries offer remarkable advantages, making them the ideal energy solution for modern telecom base stations. 1. High Energy Density, Space-Saving Design - 60% smaller volume: For the same capacity, lithium batteries are only 40% the size of lead-acid bat...

more

Charging and Discharging Performance of EverExceed LiFePO₄ Batteries

Sep , 05 2025

EverExceed LiFePO₄ (Lithium Iron Phosphate) batteries are widely recognized for their stable performance, long cycle life, and superior safety. Their charging and discharging characteristics make them especially suitable for demanding applications such as telecom, UPS, and energy storage systems. 1. Charging Process (CC-CV Method) EverExceed LiFePO₄ batteries adopt the industry-standard Constant C...

more

Understanding Battery SOH and EverExceed’s Reliable Solutions

Sep , 13 2025

1. What is SOH and How is it Estimated? The State of Health (SOH) of a battery represents its overall condition compared to the initial performance when it was new. EverExceed lithium iron phosphate (LiFePO₄) batteries are designed with advanced Battery Management System (BMS) technology, making SOH monitoring accurate and reliable. The calculation is mainly based on two methods: Capacity Comparis...

more

How to Extend the Service Life of Telecom Lithium Batteries

Sep , 20 2025

Beyond the golden rules of avoiding extreme states of charge (20%-80%), preventing overheating, and using original chargers, the following points are particularly important for ensuring longer service life of telecom lithium batteries. As a professional lithium battery manufacturer and solution provider, EverExceed shares the following insights: 1. Focus on Temperature Management — The Top Priorit...

more

5G Base Station Lithium Battery: Capacity and Discharge Rate Requirements

Sep , 26 2025

EverExceed 5G Base Station Lithium Battery: Core Requirements and Insights Core Requirements for 5G Base Station Lithium Batteries Requirement Dimension 5G Macro Station (Urban Macro) Urban Small Cell Reference / Remarks Typical Power Capacity 20–50 kWh 3–10 kWh – Discharge Rate Continuous 500A Peak 150A – Backup Duration Typically 2–4 hours, extendable if required Typically 1–3 hours Configurable...

more

Impact of High Temperature on Lithium Batteries and Effective Solutions

Sep , 26 2025

Negative Effects of High Temperature on Lithium Batteries High temperature has comprehensive and irreversible impacts on lithium batteries. The main issues are as follows: 1. Capacity Fading and Shortened Lifespan (Most Common Impact) Mechanism: Elevated temperatures accelerate side reactions in the battery’s electrochemical system, such as electrolyte decomposition and the reaction of active lith...

more

what are you looking for?

blog

blog