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A direct borohydride – acid peroxide fuel cell

A direct borohydride – acid peroxide fuel cell
A direct borohydride – acid peroxide fuel cell
A fuel cell operating with aqueous sodium borohydride and hydrogen peroxide streams, with one, two and four cells (electrode area 64, 128 and 256 cm2) connected in a bipolar mode in a filterpress flow cell is reported. The oxidation of borohydride ion was carried out on Au/C particles supported on a carbon felt electrode while the reduction of hydrogen peroxide was carried out on carbon supported Pt on a carbon paper substrate. Comparable cell potentials and power densities to direct borohydride fuel cells reported in the literature were obtained. The challenges to further development includes: increasing the low current density and avoid decomposition of borohydride and peroxide ions. The maximum power obtained at 20oC for one, two and four cell stacks was 2.2, 3.2 and 9.6 W (34.4, 25 and 37.5 mW cm-2 respectively) with cell voltages of 1.06, 0.81 and 3.2 V at current densities of 32, 16 and 12 mA cm-2, respectively.
borohydride ion, carbon felt, filter-press cell, FM01-LC cell, hydrogen peroxide, liquid fuel cell.
0378-7753
441-448
Ponce de Leon, C.A.
07ab0f98-2db9-4e15-9011-943b3afbff16
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Rose, A.
44dd032a-db31-411c-a86b-142829cba58f
Lakeman, J.B.
56f4fbcc-1617-4391-bad5-f689a84c0436
Browning, D.J.
11528474-9a3f-4b4b-83ab-bae124c178db
Reeve, R.W.
c7e1be57-9ec2-41df-af1b-d359414c3103
Ponce de Leon, C.A.
07ab0f98-2db9-4e15-9011-943b3afbff16
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Rose, A.
44dd032a-db31-411c-a86b-142829cba58f
Lakeman, J.B.
56f4fbcc-1617-4391-bad5-f689a84c0436
Browning, D.J.
11528474-9a3f-4b4b-83ab-bae124c178db
Reeve, R.W.
c7e1be57-9ec2-41df-af1b-d359414c3103

Ponce de Leon, C.A., Walsh, F.C., Rose, A., Lakeman, J.B., Browning, D.J. and Reeve, R.W. (2007) A direct borohydride – acid peroxide fuel cell. Journal of Power Sources, 164 (2), 441-448. (doi:10.1016/j.jpowsour.2006.10.069).

Record type: Article

Abstract

A fuel cell operating with aqueous sodium borohydride and hydrogen peroxide streams, with one, two and four cells (electrode area 64, 128 and 256 cm2) connected in a bipolar mode in a filterpress flow cell is reported. The oxidation of borohydride ion was carried out on Au/C particles supported on a carbon felt electrode while the reduction of hydrogen peroxide was carried out on carbon supported Pt on a carbon paper substrate. Comparable cell potentials and power densities to direct borohydride fuel cells reported in the literature were obtained. The challenges to further development includes: increasing the low current density and avoid decomposition of borohydride and peroxide ions. The maximum power obtained at 20oC for one, two and four cell stacks was 2.2, 3.2 and 9.6 W (34.4, 25 and 37.5 mW cm-2 respectively) with cell voltages of 1.06, 0.81 and 3.2 V at current densities of 32, 16 and 12 mA cm-2, respectively.

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More information

Submitted date: 20 August 2006
Published date: 10 February 2007
Keywords: borohydride ion, carbon felt, filter-press cell, FM01-LC cell, hydrogen peroxide, liquid fuel cell.
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 43871
URI: http://eprints.soton.ac.uk/id/eprint/43871
ISSN: 0378-7753
PURE UUID: 1001316c-4eff-4a31-8a9d-8ec7303b7dde

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Date deposited: 01 Feb 2007
Last modified: 16 Dec 2019 19:19

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