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Li, Minyuan M.

Publications and source records attributed to Li, Minyuan M..

6 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2024

Seasonal energy storage technologies based on rechargeable batteries

Rechargeable batteries include a Ni y Fe 1-y cathode where 0≤y≤1, an anode comprising a current collector, a porous separator positioned between the cathode and the anode, and an electrolyte comprising MAlX 4 , wherein M is Na, Li, K, or a combination thereof, and X is Cl, Br, I, or a combination thereof, and wherein the electrolyte is a solid at temperatures less than 50° C. The batteries are temperature activated. The electrolyte temperature is increased above its melting point while charging and reduced below the melting point for energy storage, such as seasonal energy storage. The electrolyte temperature is increased above the melting point again to discharge the battery.

Li, Guosheng↗
DOE OSTI2021

The intrinsic electrochemical behavior of layered Cu 2 WSe 4 nanoparticles

Nanoplates of Cu 2 WSe 4 (~50 nm) were synthesized via a hot-injection method by one-pot selenation of WCl 6 and Cu(acac) 2 . This synthetic route provided another perspective towards the intrinsic electrochemical properties of Cu 2 MSe 4 (M = Mo or W), where their nanoparticles were previously synthesized via a metathesis route. In conclusion, cations-dependent cathodic events and surface activation anodic events were identified by cyclic voltammetry in acetonitrile.

77 NANOSCIENCE AND NANOTECHNOLOGY↗
DOE OSTI2021

Recent Progress in Cathode Materials for Sodium-Metal Halide Batteries

Transitioning from fossil-fuels to renewable energy sources is a critical goal of greenhouse gas re-duction and climate control. Major improvements have made wind and solar power increasingly cost-competitive with fossil fuels. However, the inherent intermittency of renewable power sources such motivates pairing these resources with energy storage. Electrochemical energy storage in batteries is widely used in many fields and increasingly for grid-level storage, but current battery technologies still fall short of performance, safety, and cost. This review focuses on sodium metal halide (Na-MH) batteries, such as well-known Na-NiCl2 batteries, as a promising solution to safe and economical grid-level energy storage. Important features of conventional Na-MH batteries are discussed, and recent literature on the development of intermediate temperature, low-cost cathodes for Na-MH batteries is highlighted. By employing lower cost metal halides (e.g. FeCl2, ZnCl2, and CuCl2, etc.) in the cathode and operating at lower temperatures (e.g. 190 °C vs. 280 °C), new Na-MH batteries have the potential to offer comparable performance at much lower overall costs, providing an exciting alternative technology to enable widespread adoption of renewables plus storage for the grid.

Zhan, Xiaowen↗