Moisture adsorption-desorption full cycle power generation

被引：138

作者：

Wang, Haiyan ^{[1
]}

He, Tiancheng ^{[2
]}

Hao, Xuanzhang ^{[2
]}

Huang, Yaxin ^{[2
]}

Yao, Houze ^{[2
]}

Liu, Feng ^{[3
]}

Cheng, Huhu ^{[1
]}

Qu, Liangti ^{[1
,2
]}

机构：

[1] Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Minist Educ, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Dept Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China

[3] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China

来源：

NATURE COMMUNICATIONS | 2022年 / 13卷 / 01期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

ELECTRICITY-GENERATION; WATER; DRIVEN; DIFFUSION; SORPTION; AIR;

D O I：

10.1038/s41467-022-30156-3

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Environment-adaptive power generation can play an important role in next-generation energy conversion. Herein, we propose a moisture adsorption-desorption power generator (MADG) based on porous ionizable assembly, which spontaneously adsorbs moisture at high RH and desorbs moisture at low RH, thus leading to cyclic electric output. A MADG unit can generate a high voltage of similar to 0.5 V and a current of 100 mu A at 100% relative humidity (RH), delivers an electric output (similar to 0.5 V and -50 mu A) at 15 +/- 5% RH, and offers a maximum output power density approaching to 120 mW m(-2). Such MADG devices could conduct enough power to illuminate a road lamp in outdoor application and directly drive electrochemical process. This work affords a closed-loop pathway for versatile moisture-based energy conversion.

引用

页数：11

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