Shanghai Yongming Electronic Co., Ltd.

Overview

As humanoid robots evolve toward daily, long-duration, high-intensity use, their power modules demand exceptionally reliable, compact, and responsive energy components. YMIN’s liquid-lead aluminum electrolytic capacitors serve as a critical enabler in meeting these requirements.

Key Benefits

• Long service life
• Capable of sustained operation under high temperature, frequency, and load—minimizing maintenance and replacement in continuous-use robots.
• High ripple-current tolerance
• Efficiently absorbs current fluctuations generated during heavy-duty operations to stabilize voltage output.
• Rapid transient response
• Meets sudden high-current demands during dynamic movements (e.g. running, jumping) by fast absorption and discharge of stored energy—enhancing responsiveness and motion precision.
• Compact form-factor with high capacitance
• Offers high-energy buffering in a small, lightweight package—ideal for space- and weight-constrained humanoid robot designs.

Why They Matter in Humanoid Robots

Traditional capacitors often degrade under prolonged thermal and electrical stress, leading to unstable power delivery. YMIN’s liquid-lead design preserves performance even in harsh environments, improving system uptime, power stability, and robot autonomy .

Typical Use Case

Installed in a robot’s power conditioning and DC-DC modules, these capacitors act as energy buffers, smoothing out voltage dips, managing surges, and ensuring consistent supply during both steady-state and dynamic-load conditions.

FAQ

Q: What is a “liquid-lead” aluminum electrolytic capacitor?

A form of aluminum electrolytic capacitor that uses a liquid electrolyte and is optimized (by YMIN) for superior life, ripple handling, response speed, and size—compared to standard electrolytics .

Q: How does this differ from polymer or solid aluminum capacitors?

Liquid-electrolyte caps typically offer higher capacitance per volume but shorter life due to electrolyte drying. Polymer or solid options last longer and have lower ESR, but usually cost more and may not match the high capacitance and transient capacity required in robot power modules.

Q: Why not use supercapacitors instead?

Supercapacitors offer massive capacitance but have slower charge/discharge dynamics and higher leakage. They are more suited to backup or energy-storage roles—not rapid transient buffering in compact robotics power circuits.

Q: What maintenance or reliability considerations apply?

As liquid-electrolyte capacitors age, their electrolyte can evaporate, degrading capacitance and increasing ESR. YMIN’s version is engineered for long life, but designers should still respect rated temperature/current limits and include replacement planning in high-duty-cycle robot designs

Quellenlink: https://www.ymin.cn/news/liquid-lead-type-aluminum-electrolytic-capacitors-are-the-core-of-efficient-operation-of-humanoid-robot-power-modules/

Autor: Shanghai Yongming Electronic Co., Ltd. （https://www.ymin.cn/)

Kontakt: ymin-sale@ymin.com