On April 19, the world's first humanoid robot half marathon was held in Beijing. On the 21.0975-kilometer track, 20 robot teams from universities, research institutes, and enterprises participated in the first "human-robot co-run".The 180cm tall and 52kg"Tiangong Robot Ultra" won the championship by running at a constant speed of 7 to 8 kilometers in 2 hours and 40 minutes.



Batteries are not only the power source of robots, but also directly affect their endurance, performance and application scenarios.This competition not only ignited the public's enthusiasm for smart manufacturing, but also made the application of lithium battery technology in the field of robotics a focus.

Core application requirements of batteries in the robotics field

①High energy density and lightweight

High energy density allows the robot to have a longer battery life and continue to drive without slowing down.

Lightweight structure can match the structural limitations of humanoid robots or service robots and reduce load

②High safety design and environmental adaptability

Stable output, through overcharge and overdischarge protection, thermal runaway protection (such as high temperature resistance of lithium iron phosphate battery), to avoid power outage or overheating during operation.

③High power output and fast charging or quick replacement capabilities

The battery of "Tiangong Robot Ultra" was replaced 3 times during the whole process, and the robot was not replaced. The first battery replacement took 1 minute and 50 seconds to complete.

④Long cycle life and intelligent management

Marathon is not only a race, but also a microcosm of future intelligent manufacturing applications. From automatic food delivery robots, intelligent logistics vehicles, to inspection unmanned vehicles, special service robots... they all rely on the support of high-performance lithium batteries.

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