ArticleNature communications2026
Robust cement-graphite thick electrode enables high-performance molten salt aluminum batteries.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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14 authors.
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Abstract
Molten-salt aluminum batteries are promising for grid-scale energy storage, leveraging the abundance and recyclability of aluminum along with the intrinsic safety, non-flammability, and high ionic conductivity of chloroaluminate electrolytes. However, conventional polymeric binders lack stability in high-temperature, corrosive molten-salt environments, leading to electrode structural degradation and premature battery failure. Here we propose thick cement-graphite electrodes for molten salt aluminum batteries that feature a self-supporting structure, high mechanical strength, high thermal tolerance, and resistance to chemical corrosion. In this design, graphite provides continuous electron-conducting pathways, while hydrated cement phases encapsulate and interconnect graphite, forming an inorganic skeleton with measurable mechanical properties, chemically inert, and hierarchically porous. Operating at 150 °C, the Al| |cement-graphite cells achieve a long cycle life of over 11,000 cycles at 16 mg cm
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