O-08　バイオマス発電に利用可能なダイレクトカーボン燃料電池の開発

抄録

Direct carbon fuel cells (DCFCs) are expected to be useful devices that effectively utilize carbon resources. We have proposed novel tubular molten carbonate-type direct carbon fuel cells (TMC-DCFCs). In this study, effects of fuel compositon on the cell performance of TMC-DCFCs were investigated. Continuous power generation tests were conducted using activated carbon or carbonized wood as carbon fuel. Although carbonized wood included volatile matter and ash, the cell performance was as high as that using activated carbon. Effects of carbonate concentration in fuel were investigated by I-V measurements. Cell performance was low when carbonate was not included in fuel because of poor accessibility and CO generation. Sufficient carbonate concentration leads to high cell performance, but exessive carbonate may induce electrode flooding.