Remove Carbon Remove Energy Storage Remove Sodium Remove Study
article thumbnail

PNNL team develops electrolyte for high-voltage sodium-ion battery with extended longevity

Green Car Congress

Cheap and abundant, sodium is a promising candidate for new battery technology. However, the limited performance of sodium-ion batteries has hindered large-scale application. A paper on the work appears in Nature Energy. Sodium-ion batteries (NIBs) have attracted worldwide attention for next-generation energy storage systems.

Sodium 334
article thumbnail

Sodium-ion energy storage in nanocellular carbon foams shows high capacity and rate retention; not an intercalation battery

Green Car Congress

Researchers at Pacific Northwest National Laboratory (PNNL) report in a paper in the ACS journal Nano Letters on high-capacity, high-rate sodium-ion (Na-ion) energy storage in functionalized high-surface-area nanocellular carbon foams (NCCF). Sodium-ion intercalation batteries—i.e., Earlier post.)

Sodium 186
article thumbnail

Chalmers team develops graphite-like anode for Na-ion batteries; Janus graphene

Green Car Congress

Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The estimated sodium storage up to C 6.9 100 to 150 mA h g ? 100 to 150 mA h g ?1

Sodium 493
article thumbnail

Industry study finds lead-acid to remain most wide-spread automotive energy storage for foreseeable future; new chemistries continue to grow

Green Car Congress

Overview of the three vehicle classes identified in the study, and their corresponding battery technologies. For commercial applications, harsh environments and heavy duty vehicles, high-temperature sodium nickel chloride batteries are a competitive option. Sodium-nickel chloride batteries. Click to enlarge.

Lead Acid 304
article thumbnail

Expanded graphite as a superior anode for sodium-ion batteries

Green Car Congress

Researchers at the University of Maryland, with colleagues at the University of Illinois at Chicago, report on a new method for expanding graphite for use as a superior anode for sodium-ion batteries in a paper in Nature Communications. Galvanostatic studies showed that expanded graphite can deliver a high reversible capacity of 284?mAh?g

Sodium 210
article thumbnail

Hollow carbon nanowires show high capacity and cycle life as anodes for sodium-ion batteries; insight into Na-ion insertion-extraction mechanism

Green Car Congress

Researchers at the Pacific Northwest National Laboratory have developed hollow carbon nanowires (HCNWs) for use as anode material for Na-ion batteries. This novel carbon nanostructure also displayed reversible capacity of more than 200 mAh g ?1 They investigated sodium ion insertion?extraction C), 125 (0.5 1 , respectively.

Sodium 230
article thumbnail

Amorphous titanium dioxide nanotube anodes for sodium-ion batteries show ability to self-improve specific capacity

Green Car Congress

A team of researchers at the US Department of Energy’s Argonne National Laboratory has synthesized amorphous titanium dioxide nanotube (TiO 2 NT) electrodes directly grown on current collectors without binders and additives to use as an anode for sodium-ion batteries. Earlier post.).

Sodium 210