| 摘要 |
This invention shows a high temperature rechargeable battery system for energy storage, oxygen generation, and decomposition of oxygen-containing gases (e.g. CO2/H2O, NOR, SOx, in particular greenhouse gas (GHG)) by using ODF/La2NiO4-based materials in Li/Ti/Mg-CO2 battery architecture. Different from ionic Lithium conducting electrolyte, the invention has a higher ionic oxygen conducting electrolyte to work efficiently at elevated temperature without sacrificing safety. During battery discharge, GHG can be decomposed into syngas (CO+H2) or solid carbon, while renewable energy (e.g. solar or wind power) can be used to charge the battery and generate oxygen. The energy consumption for GHG decomposition is self-sustainable and the byproducts (i.e. carbon/syngas and oxygen) have good market values. The adoption of cost effective materials other than Lithium is significant for scaled-up applications and represents an entirely new approach. With carbon capture and sequestration becoming a key element in worldwide efforts to control/minimize CO2 emission, it can be anticipated that large amount of CO2 will become available for use as feedstock for innovative conversions into synthetic fuels. This invention shows a high temperature rechargeable battery system for decomposition of oxygen containing gases (in particular greenhouse gas (GHG)), oxygen generation, and energy storage by using ODF/La2NiO4-based materials in a rechargeable Li/Ti/Mg-CO2 battery architecture. Different from traditional Lithium ion conducting electrolyte, the invention has a higher ionic oxygen conducting electrolyte, which can work efficiently at higher temperature without sacrificing safety. During battery discharge, GHG such as CO2/H2O, NOx and SOx can be decomposed into syngas (CO+H2) or solid carbon. Whereas, solar, wind or other renewable energy can be used to charge the battery and generate oxygen. The energy consumption for GHG decomposition is self-sustainable with the integrated system and the byproducts (i.e. solid carbon, syngas (CO+H2), O2) have good market values. The adoption of cost effective materials other than Lithium is significant for scaled-up applications and represents an entirely new approach.
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