A: The cost of power and energy storage batteries is primarily influenced by the price volatility of raw materials such as lithium and cobalt, the complexity of manufacturing processes, production scale, and recycling efficiency. Methods to reduce costs include: using cobalt-free materials (such as lithium iron phosphate) to reduce reliance on precious metals, simplifying manufacturing processes (such as dry-electrode technology) to lower energy consumption, scaling up production to spread costs, and implementing efficient recycling systems to reuse materials (for example, achieving lithium recovery rates exceeding 95%). These approaches aim to compress expenses across the entire chain from mining - production - recycling.
A: Battery safety is achieved through multiple design measures: selecting materials with good thermal stability (such as lithium iron phosphate cathodes), using flame-retardant electrolytes and ceramic-coated separators; incorporating independent fire-resistant structures within the battery, and filling the space between cells with insulating materials. An intelligent management system monitors voltage, temperature, and other data in real time to issue early warnings of anomalies and trigger cooling or power cutoff mechanisms. The batteries also undergo rigorous testing, such as nail penetration and compression tests, to ensure they do not catch fire or explode under extreme conditions.
A: The Battery Management System (BMS) acts as the “brain” of the battery, with primary functions including: real-time monitoring of the state of each cell (such as charge level and temperature), balancing charge levels between cells to prevent overcharging or over-discharging of individual cells, setting safety thresholds to guard against risks like short circuits and overheating, predicting battery health status and optimizing charging and discharging strategies to extend lifespan, and coordinating the energy interaction between the battery and the vehicle or grid to enhance overall efficiency.
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