18650 battery pack 3.7v

Scientists will develop large-scale energy storage 18650 battery pack 3.7v technology

As the demand for electric vehicles and new energy energy storage rises, the industry is looking forward to better 18650 battery pack 3.7v technology, among which flow batteries have good prospects for large-scale energy storage systems. Imperial College London said on the 26th that its academics have received EU funding to develop a new generation of flow 18650 battery pack 3.7v technology.

Dr. Song Qilei from Imperial College London received project funding from the European Research Council's Scientific Research Startup Fund worth a total of 1.5 million euros (approximately US$1.6 million). His team will work with the Universities of Edinburgh and Cambridge, as well as institutions in Europe and China, to develop the 18650 battery pack 3.7v technology.

Song Qilei told Xinhua News Agency reporters: "Traditional lithium-ion batteries encapsulate electrolytes and electrode materials. The thermal stability of organic electrolytes is limited, prone to deflagration, and safety is limited; in contrast, flow batteries The electrolyte material that can be charged and discharged is decoupled from the stack unit, so that the positive and negative electrolytes can be stored in separate containers, and then transported to the inside of the 18650 battery pack 3.7v through a pump to achieve charging and discharging. It is highly safe and can store energy for a long time, which is very suitable. Large-scale energy storage system applications.”

Currently, the more common flow 18650 battery pack 3.7v is the all-vanadium flow battery. This 18650 battery pack 3.7v uses commercial ion exchange membranes and vanadium materials. However, the cost of active materials and separators is very high, which limits the large-scale use of flow batteries. use. Song Qilei showed reporters the key component of the flow 18650 battery pack 3.7v - the separator - in his laboratory at Imperial College London. The performance of this material significantly restricts factors such as flow 18650 battery pack 3.7v performance and production costs.

He said: "We hope to develop new nanoporous separator materials and low-cost electrolyte materials, fundamentally improve the ion conductivity and selectivity of the membrane through molecular design, combine nanoprocessing technology to prepare nanomembranes, and integrate new electrolyte materials, which is expected to Develop the next generation of new, cheap, environmentally friendly, high energy density flow 18650 battery pack 3.7v technology.”

According to the team, the new membrane material technology can not only be used in batteries, but will also have good application prospects in energy and environmental protection fields such as sewage treatment and gas purification in the future. (over)

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