Nature SustainabilityNon-fluorinated electrolyte for high-voltage anode-free sodium metal batteryAi-Min LiTravis P. PollardZeyi WangNan ZhangFred OmenyaSha TanEnyuan HuXiao-Qing YangXiaolin LiOleg BorodinChunsheng Wang2025-12-08Full textDOI https://doi.org/10.1038/s41893-025-01710-w