Electroless Ag deposition on the cell walls of carbon foam by a displacement method

GUO Cong-cong; LIU Xiu-jun; LI Tong-qi; LEI Yan; ZHAI Li-li

doi:10.1016/S1872-5805(18)60346-4

Volume 33 Issue 4

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GUO Cong-cong, LIU Xiu-jun, LI Tong-qi, LEI Yan, ZHAI Li-li. Electroless Ag deposition on the cell walls of carbon foam by a displacement method. New Carbon Mater., 2018, 33(4): 364-369. doi: 10.1016/S1872-5805(18)60346-4

Citation:

GUO Cong-cong, LIU Xiu-jun, LI Tong-qi, LEI Yan, ZHAI Li-li. Electroless Ag deposition on the cell walls of carbon foam by a displacement method. New Carbon Mater., 2018, 33(4): 364-369. doi: 10.1016/S1872-5805(18)60346-4

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Electroless Ag deposition on the cell walls of carbon foam by a displacement method

doi: 10.1016/S1872-5805(18)60346-4

1.
School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China;
2.
National Key Laboratory of Advanced Functional Composite Materials, Aerospace Research Institute of Materials and Processing Technology, Beijing 100076, China

Funds: State Key Laboratory Program (9140C560109130C569199); Key Program of Major Research Plan of the National Natural Science Foundation of China (51102070).

Received Date: 2018-03-27
Accepted Date: 2018-08-30
Rev Recd Date: 2018-07-30
Publish Date: 2018-08-28

Abstract

Abstract

To obtain efficient metalization of the surface and cell walls of carbon foam, an electroless silver displacement deposition method was investigated, in which a copper layer was first electroless-deposited and then displaced by silver. The purity of the silver coating, and the morphology, microstructure, mechanical strength and electrical conductivity of the resulting carbon foams were characterized by SEM, EDS, XRD, mechanical and conductivity tests. Results indicate that a uniform and continuous silver film is formed on the cell walls of the carbon foam with a better adhesion to the carbon compared to that obtained using the traditional one-step silver plating method. The coating is crystalline silver without copper or silver oxide. The conductivity and mechanical strength of these carbon foams increase from 700 to 2 055 S/cm and 0.54 to 1.05 MPa, respectively when the silver content is increased from 0 to 15.5 wt%.
- Bulk carbon foam,
- Electroless copper plating,
- Silver electroless replacement deposition

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References(16)

References

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