News
High-temp sodium-zinc batteries reveal causes of rapid capacity loss
4+ hour, 58+ min ago (251+ words) Helmholtz-Zentrum Dresden-Rossendorf (HZDR) researchers have used operando X-ray imaging to reveal why sodium-zinc molten-salt batteries, operating at around 600 C and promising for stationary energy storage due to low-cost, abundant materials, experience persistent capacity loss. Helmholtz-Zentrum Dresden-Rossendorf (HZDR) researchers have used…...
World’s fastest supercomputers probing future of sodium-ion batteries
1+ week, 3+ day ago (218+ words) Japanese researchers used supercomputer simulations to reveal how sodium ions form clusters and move within hard carbon anodes, identifying nanopore sizes and transition regions that control diffusion and rate performance in sodium-ion batteries. Their findings offer design guidelines for optimizing…...
German researchers develop sodium-ion battery based on lignin
2+ week, 4+ day ago (304+ words) German researchers have developed a sodium-ion battery technology using lignin-based hard carbon as the negative electrode. The 1 Ah battery cell prototype showed no significant degradation after 100 charging and discharging cycles. Researchers from Germany's Fraunhofer Institute for Ceramic Technologies and Systems…...
Scientists design low-cost sodium-ion battery with cheap electrode materials
1+ mon, 4+ hour ago (288+ words) Conceived for stationary energy storage, the proposed sodium-ion battery configuration relies on an P2-type cathode material and an hard carbon anode material that reportedly ensure full-cell performance. Electrochemical testing revealed initial capacities of 200 mAh/g for the cathode and 360 mAh…...
Self-assembling molecule for organic solar cells
1+ mon, 8+ hour ago (242+ words) A research team from Osaka Metropolitan University have developed a donor-acceptor-donor molecule that can spontaneously self-assemble into nanoscale structures and offer a more stable route to built-in p/n heterojunctions in organic solar cells. Scientists from Osaka Metropolitan University have…...
New design specifications for sodium-ion batteries
1+ mon, 2+ day ago (239+ words) U.S. scientists used density functional theory to reveal how sodium ions are stored in nanoporous carbon anodes for sodium-ion batteries, identifying dual ionic and metallic storage mechanisms within the pores. Their findings provide practical design guidelines to improve battery voltage, safety,…...
Why sodium-ion can’t yet challenge lithium-ion’s reign
1+ mon, 1+ week ago (388+ words) Why sodium-ion can't yet challenge lithium-ion's reign'pv magazine International Why sodium-ion can't yet challenge lithium-ion's reign A new generation of sodium-ion (Na-ion) battery cells has been launched as an alternative to the virtual monopoly of lithium-ion (Li-ion). Although the technology…...
Swiss researchers improve electrolyte design for long-life solid-state batteries
1+ mon, 1+ week ago (616+ words) A Swiss research team has developed a low-temperature sintering and interface-coating process that significantly improves the durability of argyrodite-based solid-state batteries. The approach delivers high ionic conductivity and long cycle life, retaining 75% of capacity after 1,500 cycles. A test cell of…...
Danish researchers develop color-tunable BIPV foil
1+ mon, 1+ week ago (415+ words) The use of a novel roll-to-roll process and optimization technology resulted in polymer foils for use in colored PV modules in a potentially wide range of colors with low iridescence and low levels of efficiency loss. Image: University of Southern…...
Sodium-ion battery cells already near lithium-ion cost parity, set to get cheaper
1+ mon, 2+ week ago (300+ words) By 2050, sodium-ion batteries with fast learning rates could deliver storage at 1114/MWh cheaper than lithium-ion at 1622/MWh while also offering higher energy-to-power ratios and high cycle durability, a new research finds. By 2050, sodium-ion batteries with fast learning rates could deliver…...