Intrinsic Thermal Desorption in a 3D Printed Multifunctional Composite CO2 Sorbent with Embedded Heating Capability

被引:17
作者
Thompson, Jamie F. [1 ,2 ,3 ]
Bellerjeau, Charlotte [4 ]
Marinick, Gabrielle [2 ]
Osio-Norgaard, Jorge [2 ]
Evans, Arwyn [1 ]
Carry, Patricia [1 ]
Street, Robert A. [3 ]
Petit, Camille [1 ]
Whiting, Gregory L. [2 ]
机构
[1] Imperial Coll London, Dept Chem Engn, Barrer Ctr, London SW7 2AZ, England
[2] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA
[3] A Xerox Co, PARC, Palo Alto, CA 94304 USA
[4] Univ Colorado, Dept Aerosp Engn, Boulder, CO 80303 USA
基金
英国工程与自然科学研究理事会;
关键词
3D printing; additive manufacturing; multimaterial; devices; CO2 removal from air; adsorption; zeolite; 13X; printed heater; ADSORPTION; MONOLITHS;
D O I
10.1021/acsami.9b14111
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Efficient removal of CO2 from enclosed environments is a significant challenge, particularly in human space flight where strict restrictions on mass and volume are present. To address this issue, this study describes the use of a multimaterial, layer-by-layer, additive manufacturing technique to directly print a structured multifunctional composite for CO2 sorption with embedded, intrinsic, heating capability to facilitate thermal desorption, removing the need for an external heat source from the system. This multifunctional composite is coprinted from an ink formulation based on zeolite 13X, and an electrically conductive sorbent ink formulation, which includes metal particles blended with the zeolite. The composites are characterized using analytical and imaging tools and then tested for CO2 adsorption/desorption. The resistivity of the conductive sorbent is <2 m Omega m, providing a temperature increase up to 200 degrees C under 7 V applied bias, which is sufficient to trigger CO2 desorption. The CO2 adsorption capability of the conductive zeolite ink appears to be unaffected by the presence of the conductive particles, meaning a large fraction of the total mass of the structured composite device is functional.
引用
收藏
页码:43337 / 43343
页数:7
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