Ultrathin, Washable, and Large-Area Graphene Papers for Personal Thermal Management

被引：183

作者：

Guo, Yang ^{[1
,2
]}

Dun, Chaochao ^{[2
]}

Xu, Junwei ^{[2
]}

Mu, Jiuke ^{[1
]}

Li, Peiyun ^{[3
]}

Gu, Liwen ^{[4
,5
]}

Hou, Chengyi ^{[1
]}

Hewitt, Corey A. ^{[2
]}

Zhang, Qinghong ^{[1
]}

Li, Yaogang ^{[1
]}

Carroll, David L. ^{[2
]}

Wang, Hongzhi ^{[1
]}

机构：

[1] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Coll Mat Sci & Engn, Shanghai 201620, Peoples R China

[2] Wake Forest Univ, Ctr Nanotechnol & Mol Mat, Dept Phys, Winston Salem, NC 27109 USA

[3] Wake Forest Univ, Dept Phys, Winston Salem, NC 27109 USA

[4] Donghua Univ, Fash Art Design Inst, Shanghai 200051, Peoples R China

[5] North Carolina State Univ, Coll Text, Raleigh, NC 27695 USA

来源：

SMALL | 2017年 / 13卷 / 44期

关键词：

blade-coating; graphene papers; personal thermal management; thermal conductivity; wearable; FLUORIDE COMPOSITE; OXIDE-FILMS; TRANSPARENT; FABRICS; HEATER; DEVICE; SKIN;

D O I：

10.1002/smll.201702645

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Freestanding, flexible/foldable, and wearable bifuctional ultrathin graphene paper for heating and cooling is fabricated as an active material in personal thermal management (PTM). The promising electrical conductivity grants the superior Joule heating for extra warmth of 42 degrees C using a low supply voltage around 3.2 V. Besides, based on its high out-of-plane thermal conductivity, the graphene paper provides passive cooling via thermal transmission from the human body to the environment within 7 s. The cooling effect of graphene paper is superior compared with that of the normal cotton fiber, and this advantage will become more prominent with the increased thickness difference. The present bifunctional graphene paper possesses high durability against bending cycles over 500 times and wash time over 1500 min, suggesting its great potential in wearable PTM.

引用

页数：9

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