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By Chemical Composition:
Lithium-ion Battery (Li-ion Battery): The most widely used type, featuring high energy density and stable performance.
Lithium Iron Phosphate Battery (LFP Battery): Known for excellent safety, long cycle life, and resistance to high temperatures, suitable for energy storage and electric vehicles.
Ternary Lithium Battery: Composed of nickel, cobalt, and manganese, offering high energy density and strong charging/discharging capabilities.
Lithium Polymer Battery (Li-Po Battery): Utilizes polymer electrolytes, with flexible shapes and lightweight designs for portable devices.
Solid-state Lithium Battery: Emerging technology with solid electrolytes, providing enhanced safety and higher energy density.
By Rechargeability:
Rechargeable Lithium Battery: Reusable after repeated charging and discharging, widely applied in daily and industrial use.
Primary Lithium Battery: Disposable, designed for low-power devices requiring long-term standby.
Cell: The basic unit of energy storage, consisting of electrodes, electrolyte, and separator.
Battery Pack/Module: Assembled by multiple cells in series or parallel, equipped with structural components and thermal management systems to meet specific voltage and capacity requirements.
Battery Management System (BMS): The "brain" of the battery, responsible for monitoring voltage, current, and temperature, as well as providing overcharge, over-discharge, short circuit, and over-temperature protection.
Electrodes:
Positive Electrode (Cathode): Usually made of lithium-containing compounds (e.g., lithium cobalt oxide, lithium iron phosphate).
Negative Electrode (Anode): Typically graphite or silicon-based materials, used to store and release lithium ions.
Electrolyte: Conducts lithium ions between the two electrodes, ensuring ion transport efficiency.
Separator: Prevents short circuits between positive and negative electrodes while allowing lithium ions to pass through.
Auxiliary Components: Copper foil (anode current collector), aluminum foil (cathode current collector), tabs (for electrical connection), casing/shell (protective structure), insulation paper, and thermal pads (for heat dissipation).
Energy Density: The amount of energy stored per unit volume or weight, directly affecting the runtime of devices.
Cycle Life: The number of charge-discharge cycles a battery can withstand before its capacity drops to a specified threshold (usually 80% of the nominal capacity).
Voltage: Including nominal voltage (standard working voltage), rated voltage (designated operating voltage), and cut-off voltage (maximum/minimum safe voltage).
Capacity: The total amount of electrical charge a battery can store, typically measured in ampere-hours (Ah) or milliampere-hours (mAh).
C-rate: The ratio of charging/discharging current to the nominal capacity, indicating the battery's fast-charging and high-power discharge capabilities.
Self-discharge Rate: The rate at which the battery loses charge when not in use, usually expressed as a percentage per month.
Internal Resistance: The resistance within the battery, affecting charging efficiency and voltage stability.
Environmental Adaptability: Resistance to low/high temperatures, waterproof, and shockproof performance, ensuring reliable operation in harsh conditions.
Renewable Energy Storage: Used in off-grid energy storage systems, wind turbine energy storage, and solar energy storage, balancing energy supply and demand.
Transportation: Powering electric vehicles, hybrid vehicles, and electric bicycles, reducing carbon emissions.
Consumer Electronics: Mobile phones, laptops, tablets, cameras, and wearable devices rely on lithium batteries for long-lasting power.
Industrial and Backup Power: UPS batteries, backup batteries for communication base stations, and emergency power supplies for medical equipment.
UN38.3: International standard for the safe transportation of lithium batteries.
MSDS (Material Safety Data Sheet): Documents detailing chemical properties and safety precautions.
CE Certification: Compliance with European health, safety, and environmental standards.
RoHS: Restriction of hazardous substances, ensuring environmental friendliness.
IEC Certification: International Electrotechnical Commission standards for performance and safety.
