Category Archives: Unclassified

Two recent developments may seem unrelated—but together, they signal something much bigger: In 2026, the first batch of sodium-ion battery EVs rolled off production lines In laboratories, solid-state batteries have surpassed 5,000 charge cycles This is not speculation. This is already happening. Meanwhile: Lithium prices have surged over 200% in three years Range anxiety is…

The Real Solution Is Not Adding Cooling—But Making Everything Cool** In UAV design, there is a fundamental conflict: The lighter the system, the harder it is to dissipate heat.The better the cooling, the heavier the system becomes. But this is not a trade-off problem. It is a design paradigm problem. The only real solution is:…

A Complete Breakdown of Hardware, Software, and System Architecture** When people talk about lithium batteries, they often focus on: Energy density Cycle life Fast charging But in real-world applications—especially in drones, robotics, EVs, and energy storage—there is one system that quietly determines everything: The Battery Management System (BMS) And yet, most discussions about BMS remain…

A recent announcement has caught significant attention: A heavy-lift unmanned cargo drone—“Changying-8” (NORINCO LUCA)—has been introduced, with a payload capacity of 3.5 tons. Key specifications: Maximum takeoff weight: 7 tons Empty weight: 3.5 tons Payload: 3.5 tons The combination of “aerial + heavy truck + unmanned” makes for a compelling narrative. But if we only…

In lithium battery applications—whether in drones, robotics, EVs, or energy storage—there is one critical parameter that is often underestimated: Depth of Discharge (DoD) Many people focus on cycle life, but overlook a fundamental truth: Cycle life is largely determined by DoD. Understanding DoD means understanding the true physics behind battery aging. 1. What Is Depth…

The question of whether fast charging damages batteries seems to resurface every so often across the internet. Some say fast charging is a battery life killer. Others point out that today’s smartphones, EVs, drones — everything is fast charging — so it must be fine. If I had to give a one-line conclusion, it would…

In lithium-ion battery systems, one charging method has become the global standard: CC-CV charging (Constant Current → Constant Voltage) Whether it’s electric vehicles, drones, robotics, or energy storage systems, almost all lithium batteries follow this charging logic. But why is this two-stage process necessary? Why not charge with constant current only—or constant voltage only? To…

For years, the electric vehicle industry has been playing a game of inches—squeezing out incremental gains in energy density while battling the fundamental limitations of lithium-ion chemistry. That game just changed. A team led by Academician Jun Chen and Researcher Qing Zhao at Nankai University, in collaboration with the Li Yong team at the Shanghai…

In the lithium battery industry, one term has rapidly moved from technical circles into mainstream discussion: Tabless battery. It is often mentioned alongside fast charging, large cylindrical cells, 4680 formats, and next-generation power systems. But what exactly is a tabless battery? Is it truly “without tabs”? What are its real advantages and limitations? And is…

In China, prismatic and blade batteries have already achieved massive scale. They are mature, cost curves are declining, and supply chains are highly optimized. So a question keeps coming up in almost every industry discussion: Why are companies still investing heavily in 4680 large cylindrical batteries? This question has become one of the hottest topics…