Researchers in the US have demonstrated that replacing the planar lithium anode in a redox mediated lithium-sulfur redox flow battery with a high surface area scaffold enables 10 times faster cycling, up to 10 mA cm−2, without short circuit or voltage instability.
The world would have been a different place today had John Goodenough accepted the Shah of Iran’s $7 million offer, in 1974, to carry out solar research. Instead, he secured a job as the head of inorganic chemistry at the University of Oxford. During his tenure, he made a lithium-ion battery discovery that would affect the lives of almost everyone.
Scientists at the Max Planck Institute for Solid State Research have developed a bifunctional solar battery device that enables simultaneous light charging, charge storing, and electric discharging. The device relies on a bifunctional carbon nitride photoanode to harvest sunlight and store its energy via trapped electrons.
Researchers in China have found that the addition of serine cations to the electrode/electrolyte interface of aqueous zinc-ion battery could effectively inhibit zinc dendrite growth and enable a highly reversible zinc anode.
Georgia Institute of Technology researchers have used aluminum foil-based negative electrodes with engineered microstructures in an all-solid-state lithium-ion cell configuration. They have reported hundreds of stable cycles with practically relevant areal capacities at high current densities.
Researchers at Tohoku University in Japan have developed a prototype calcium battery with a long cycle life of more than 500 charge-discharge cycles. The battery was developed using a hydride-based electrolyte and copper sulfide nanoparticle/carbon composite cathode.
UK researchers have assessed the cost of a 24V soluble lead flow battery optimized for PV applications. They have found that a total component cost of GBP 50 ($62)/kWh could be achieved, which is half that of current nickel-manganese-cobalt (NMC) lithium-ion cells.
Scientists in South Korea have developed a highly soluble, stable organic redox-active molecule for use in aqueous redox flow batteries. The newly developed naphthalene diimide (NDI) molecule offered higher storage capacity than existing vanadium devices.
Russian researchers have transmuted poisonous Sosnowsky’s hogweed into high-grade anode material for sodium-ion batteries. The obtained material has a Coulombic efficiency of 87%, which is on par with the best reported results for hard carbons synthesized from other raw materials.
Researchers in Russia have developed a new sodium-vanadium phosphate fluoride powder. It has a particular crystal structure that provides superior energy storage capacity in the battery cathode.
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