Catalytic burner with internal steam generation for a fuel-cell-based auxiliary power unit for middle distillates

Meißner, J.; Pasel, Joachim; Samsun, Remzi Can; Scharf, F.; Wiethege, Christiane; Peters, Ralf

doi:10.1016/j.ijhydene.2013.05.167

Cited by 18 publications

(7 citation statements)

References 24 publications

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“…For more details on the reactor development of the catalytic burner please refer to Meißner et al 2.…”

Section: Methodsmentioning

confidence: 99%

“…In contrast to the burner CAB 2, which is described in detail in 2, the burner CAB 4 has been designed as a pressure unit in accordance with the applicable European regulations, and is thus also suitable for installation in a real fuel cell APU and for direct thermal connection to an autothermal reformer.…”

Section: Methodsmentioning

confidence: 99%

“…The concentrations of the following gases were determined: H 2 , CO, CO 2 , CH 4 , N 2 , O 2 . Measurements of the CO concentration below a few thousand ppmV and the oxygen concentration in the off‐gases are imprecise with this instrument 2. The measurement interval of the mass spectrometer was 60–180 seconds.…”

Section: Methodsmentioning

confidence: 99%

“…3–5 kW el ) for application in a truck. It builds on our last publication on catalytic burner development 2. Structural modifications in relation to the preceding catalytic burner generation CAB 3 are briefly described.…”

Section: Introductionmentioning

confidence: 99%

“…In general, there are only a limited number of publications on the combustion and conversion into heat of anode off‐gases in fuel cell APUs. Some of the relevant publications 4–7 have already been discussed in a previous publication 2. In addition to these, the following publications will be outlined here.…”

Section: Introductionmentioning

confidence: 99%

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Start‐Up and Load‐Change Behavior of a Catalytic Burner for a Fuel‐Cell‐Based APU for Diesel Fuel

et al. 2014

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The catalytic burner CAB 4 was developed for a fuel‐cell‐based diesel‐APU (auxiliary power unit) with a capacity of 14.5 kWth,APU. In order to operate a catalytic burner in such an APU, several requirements must be met. Normal operation involves combustion of anode off‐gas from the fuel cell. If the fuel cell malfunctions or if the gas quality is insufficient, the burner must also be able to fully convert the reformate while by‐passing the fuel cell. It must be possible to catalytically ignite the burner using a reformate with increased CO‐concentration. The burner must fully convert all combustible components in the fuel‐gas at all operating points. The energy contained in the fuel gas is utilized in the CAB to generate superheated steam with no oscillations and to supply this steam to the autothermal reformer. When the fuel processing system is being shut down, the burner should be able to continue providing steam for sweeping the downstream reactors for a limited period of time. Catalytic ignition of the CAB 4 was demonstrated with a reformate containing up to 5 mol.% CO. The behavior of the burner was characterized in steady‐state operation, during load changes, during transitions in the operating mode, and during shut‐down.

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“…For more details on the reactor development of the catalytic burner please refer to Meißner et al 2.…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%