Novel strategy proposed for all-climate zinc-ion batteries

"This work shows how effective these batteries are, both in terms of capacity and their ability to operate over a wide range of temperatures"

19-Jun-2024 - According to a study published in Advanced Energy Materials, a research team led by Prof. HU Linhua from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has constructed a hydrogel electrolyte formula by using ClO4- anions and polyacrylamide chains to anchor water ...

Researchers develop 70kW-level high power density vanadium flow battery stack

Costs reduced by 40%

25-Jan-2024 - Recently, a research team led by Prof. LI Xianfeng from theDalian Institute of Chemical Physics(DICP) of the Chinese Academy of Sciences (CAS) developed a 70 kW-level high power density vanadium flow battery stack. Compared with the current 30kW-level stack, this stack hasa volume power ...

Bayreuth researchers are working on an affordable replacement for lithium-ion batteries

"In the long term, the results of our research can make mid-range electric vehicles more affordable"

17-Jan-2024 - Dr Qingsong Wang from the University of Bayreuth is driving forward research into sodium-ion batteries as a cost-effective, sustainable alternative to lithium-ion. As part of an international team of researchers, he has developed a battery with a long service life and high energy. The results ...

Novel strategy stabilizes zinc-ion batteries

Stop harmful zinc dendrites

10-Jan-2024 - According to research published inAdvanced Functional Materialsrecently, a team led by Prof. HU Linhua. from HefeiInstitutes of Physical Science (HFIPS),Chinese Academy of Science (CAS)found that the addition of disodium maleate (DMA) in the electrolyte of aqueous zinc-ion battery would lead ...

Bio-Inspired Battery Design

Flexible Sodium-Ion Batteries Improved by Electrolyte Methylation

09-Oct-2023 - Flexible aqueous batteries, such as those used in portable electronics, often contain a hydrogel electrolyte containing water and salt. Using a chemical modification inspired by nature, a team of Chinese researchers have now significantly increased the salt stability of hydrogels used in ...

New strategy suggested for ultra-long cycle Li-ion battery

Researchers successfully prepared a high-performance cathode material for lithium rich manganese based lithium ion batteries

10-Jan-2023 - In recent years, lithium ion batteries have been widely used in many fields. Compared with traditional lithium ion battery cathode materials, more lithium ions in lithium rich manganese based cathode materials of unit mass participate in energy storage. However, in the process of battery ...

Revealing thermal runaway routes in lithium-sulfur batteries

Findings may help to address the safety issues of next-generation batteries

17-Mar-2022 - Lithium-sulfur (Li-S) batteries offer great potential for use in energy storage systems because of their large energy capacity. However, safety problems related to their thermal behavior continue to be a concern for scientists. Now, a research team led by researchers from the Qingdao Institute of ...

Selective membrane may cycle dual-ion batteries closer to reality

Solution to a "notorious issue" provided

24-Jan-2022 - Lithium-ion batteries are relatively safe, long-lasting, fast charging and better for the environment than non-rechargeable batteries–right? Not quite. The rocking-chair mechanism that allows for commercial power storage generally uses rare earth elements, such as nickel and cobalt. Researchers ...

'Anti-aging' chemistry taken from nature overcomes next-gen lithium battery decay

"So, we thought, why not just try to replicate what nature already does, and put it inside a battery instead?"

17-Nov-2021 - For high-voltage lithium batteries using layered transition metal oxide cathodes, the chemical degradation of the battery's electrolytes results in rapid decay of its capacity, which poses substantial challenges to practical applications of this potential next generation of lithium ...

Scientists develop low-temperature resisting aqueous zinc-based batteries

03-Sep-2020 - Aqueous zinc-based batteries (ZBBs) are widely used for portable and grid-scale applications due to their high safety, low cost and high energy density. However, the inhomogeneous zinc deposition on anode during charging and the zinc dendrite formation decrease the cycling stability of ZBBs. ...