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液态金属基超薄弹性生物电极、制备方法及应用

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14Claims · 3 independent
§ Ⅰ

Dossier Overview

Inventor

张琪; 巫远招; 刘琼琼; 刘宜伟; 李润伟

Filing Date

Sep 18, 2026

Publication Date

Oct 27, 2026

IPC Classification

A61B 5/263 (2021.01)A61B 5/257 (2021.01)A61B 5/266 (2021.01)A61B 5/268 (2021.01)D04H 1/4309 (2012.01)D04H 1/728 (2012.01)H01B 5/14 (2006.01)H01B 7/00 (2006.01)H01B 13/00 (2006.01)C23C 14/20 (2006.01)C23C 14/24 (2006.01)

本发明公开了一种液态金属基超薄弹性生物电极、制备方法及应用,电极包括PVA/IL多孔离子纤维薄膜与液态金属导电层。PVA/IL多孔离子纤维薄膜为皮肤接触侧的有效采集区;液态金属导电层包括信号采集区和引线区组;信号采集区与皮肤接触侧的有效采集区域投影对应,皮肤接触侧的有效采集区域不覆盖液态金属导电层;体表生理电离子信号透过薄膜后,在薄膜与信号采集区的两相界面发生离子‑电子转换。采用静电纺丝得到多孔离子纤维膜,经低温真空热蒸发‑掩膜成型液态金属导电层,再冻融交联。该电极超薄多孔、界面阻抗低、水汽透过性能好,可与皮肤共形贴合,减少运动伪影,通过生理盐水或皮肤汗液润湿即可工作,适用于心电、肌电、脑电等体表生理电信号采集。

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