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seeking personal technology development means embracing challenges, constantly exploring unknown areas, and gaining the joy of knowledge and skills. ultimately, combining technology with oneself can realize the embodiment of self-worth. this includes learning, innovation and creation, as well as hope and expectation for the future. in the field of technology, exploring personal technology development has always been a journey full of passion and challenges. it is not only a way to learn new skills, but also a process of self-exploration.

tesla's 4680 battery has reached another milestone. on september 15, tesla announced that the 100 millionth 4680 battery officially rolled off the production line. tesla ceo musk also sent a message to congratulate his battery team. just three months ago (june 6), tesla announced that the 50 millionth 4680 battery rolled off the production line. it can be said that the production volume has doubled in just over three months. behind these figures, tesla's firm determination and continuous efforts in the field of technology, as well as its deep understanding of technology, are reflected.

from a technical perspective, tesla's 4680 battery uses a multi-technology fusion of large cells + full-tab + dry cells. unlike the previous power battery packs that consist of many "small battery" units, the larger size of the 4680 battery can reduce the number of battery units used, reduce the number of battery welding and connectors, thereby reducing battery weight, reducing component costs, and achieving lightweighting of the entire vehicle.

nevertheless, with the development of technology and changes in market demand, 4680 batteries are also facing technical bottlenecks. however, this is not an obstacle to technology, but rather a catalyst for technological innovation and breakthroughs. for example, panasonic energy's "4680" battery project provides new possibilities for car companies and battery manufacturers by integrating technology research and development with production.

in addition, as the global electric vehicle market continues to grow, large cylindrical batteries as a technology route are also becoming one of the technology routes favored by major companies.
the advantages of large cylindrical batteries are their higher efficiency, better performance and lower cost. its structural innovation and material system enable more efficient manufacturing, higher performance and lower cost, which provides new solutions to electrification needs.

as each company improves its process and runs its production line, the yield rate of 4680 batteries is expected to continue to increase. as the yield rate of large cylindrical batteries increases and costs decrease, other automakers will also lead the change in technology routes and begin to explore new possibilities in the field of technology.

as technology continues to advance and evolve, personal technology development will continue to play an important role in all fields.