One of the biggest obstacles to better electric vehicles and large-scale energy storage is the battery. Drivers want longer range, faster charging, and lower costs, but safety remains a major concern.

A new battery technology has been developed that delivers significantly higher energy storage—enough to alleviate EV range ...

a) Cell schematic for carbon anodes, alloy anodes, and an anode-free configuration. b) Theoretical energy density comparison for various sodium anode materials. c) Schematic illustrating the ...

Lithium-ion batteries are a kind of rechargeable battery that is charged or discharged through desorption or insertion of lithium ions (Li +) from or into the active material structure. In recent ...

Figure 1: Schematic of the microstructure and fabrication process of the Li x M/graphene foils. Figure 3: Stability of the Li x Si/graphene foil. Figure 4: Electrochemical performance of the Li x ...

National Research Foundation of Korea (President Lee Kwang-Bok) announced that Professor Ho-Seok Park's research team at Sungkyunkwan University has successfully developed a high-capacity, long-life ...

Interfacial Cross-Linking of Phenolic Resin and Pitch for Enhanced Sodium Storage in HC. Anodes schematic illustrates the synthesis process of hard carbon (HC) anodes with improved sodium storage ...

Researchers at the Korea Institute of Science and Technology (KIST) have developed a high-performance, economical anode material for use in sodium-ion secondary batteries, which are more ...

Design analysis of the K2-W Vacuum Tube Op Amp’s design and operation reveals the mad science that created a commercial revolution in 1950s and 1960s analog computing. Op amps played a critical role ...