18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
Sino Technology Manufacturer Group co.,ltd Home  >  product  >  polymer lithium battery
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

Sino Technology Manufacturer Group co.,ltd
Sino Technology Manufacturer Group co.,ltd

lithium polymer battery 10000mah
lithium polymer battery 10000mah
lithium polymer battery 10000mah
lithium polymer battery 10000mah
lithium polymer battery 10000mah
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lithium polymer battery 10000mah

lithium polymer battery 10000mah

Nominal Voltage (V): 12.8

Nominal Capacity (Ah)): 6

Rated energy (Wh): 76.8

Maximum charging voltage (V): 14.6

Maximum charging current (A): 6

Float Voltage (V):13.6-13.8

Maximum load power (W): 1000

Discharge cut-off voltage (V): 10.8

Terminal Specifications: T2

Protection class: IP65

Size: 90*70*107

Reference weight (kg): 0.7

Product description

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  Polymer lithium-ion battery technology

  Polymer lithium-ion battery technology provided by electronic enthusiasts, introduction of polymer lithium-ion battery technology Energy and the environment are two serious problems that human beings must face in the 21st century. The most decisive technical field

  Polymer lithium-ion battery technology

  Introduction Energy and environment are two serious problems that human beings must face in the 21st century. The development of new energy and clean and renewable energy is one of the most decisive technical fields in the world economy in the future. Lithium-ion battery has developed very fast since its inception, because it just meets the requirements of the rapid development of mobile communications and notebook computers for power miniaturization, light weight, long working time, long life, no memory effect and no pollution to the environment. . The manufacture of polymer lithium-ion batteries with polymer solid electrolytes instead of liquid electrolytes is a major advancement in lithium-ion batteries. Its main advantages are high reliability and processability, and it can be made into an all-plastic structure, making ultra The desire for a thin battery with a large degree of freedom has been realized. 1 Structural characteristics of lithium-ion batteries The positive and negative active materials of lithium-ion batteries are intercalation compounds. When charging, Li+ comes out of the positive electrode and is inserted into the negative electrode through the electrolyte; the opposite is true when discharging. The charging and discharging process of the battery is actually Li+ in both sides. The process of inserting and extracting back and forth between two electrodes, so this kind of battery is also called "Rocking Chair Batteries" (Rocking Chair Batteries, abbreviated as RCB). Its reaction schematic diagram and basic reaction formula are as follows:

  2. Polymer lithium-ion battery technology 2.1 Performance characteristics of polymer lithium-ion batteries Polymer lithium-ion batteries refer to lithium-ion batteries that use solid polymer electrolytes (SpE) as electrolytes. The battery is formed by pressing the positive electrode current collector, the positive electrode film, the polymer electrolyte film, the negative electrode film, and the negative electrode current collector, and then wrapping the aluminum-plastic composite film, and sealing its edges with heat fusion to obtain a polymer lithium-ion battery. Since the electrolyte membrane is solid, there is no leakage problem, and the degree of freedom in battery design is large, and it can be connected in series or parallel or adopt a bipolar structure according to needs. Polymer lithium-ion batteries have the following characteristics: ①flexibility in shaping; ②higher mass specific energy (3 times that of MH-Ni batteries); ③wide electrochemical stability window, up to 5V; ④perfect safety and reliability; ⑤Longer cycle life, less capacity loss; ⑥High volume utilization; ⑦Wide application fields. Its working performance indicators are as follows: working voltage: 3.8V; specific energy: 130Wh/kg, 246Wh/L; cycle life: >300; self-discharge: <0.1%/month; working temperature: 253-328K; 80% capacity; 3h to 100% capacity; environmental factors: non-toxic. 2.2 Cathode material The characteristics and price of a lithium-ion battery are closely related to its cathode material. Generally speaking, the cathode material should meet: (1) Electrochemical compatibility with the electrolyte solution within the required charge and discharge potential range; (2) Mild electrode process kinetics; (3) Highly reversible; (4) Good stability in air in the state of full lithium. With the development of lithium-ion batteries, research on high-performance, low-cost cathode materials is ongoing. At present, research mainly focuses on lithium transition metal oxides such as lithium cobalt oxide, lithium nickel oxide, and lithium manganese oxide [1] (see Table 1). Table 1 Comparison of three main cathode materials for lithium-ion batteries

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