Recycling batteries with citric acid

Highly efficient recycling process for NCM lithium-ion batteries

19-Nov-2024 - A simple, highly efficient, inexpensive, and environmentally friendly process could provide a viable pathway for the sustainable recycling of depleted lithium-ion batteries (LIBs): No chemicals beyond citric acid need to be added to leach out and separate over 99 % of the lithium, nickel, cobalt, ...

Stabilizing lithium-ion batteries: The vanadium touch

Simple, effective modification improves the sustainability and performance of high-energy lithium-ion batteries

13-Nov-2024 - As demand surges for electric vehicles and energy storage systems, lithium-ion batteries need to deliver higher energy densities at lower costs. While conventional cathode materials like LiFePO4 and Li-Ni-Co-Mn-O are widely used, they often fail to balance performance with affordability. ...

Chilling conquest: Aqueous batteries get a sun-powered warm-up

Improving energy efficiency in energy storage and electric vehicles in cold climates

11-Nov-2024 - Aqueous batteries have emerged as a promising option for large-scale energy storage due to their affordability, safety, and environmental benefits. However, their application in cold climates has been hindered by performance issues at subzero temperatures, where electrolyte freezing and reduced ...

New electrocatalytic strategy enables ultrafast-charging lithium-ion battery

26-Sep-2024 - A team led by Prof. JI Hengxing and Prof. WU Xiaojun from the University of Science and Technology of China (USTC), in collaboration with Prof. DUAN Xiangfeng's team from the University of California, Los Angeles, developed a novel strategy for solid-state electrocatalysis in lithium-ion ...

Folded or cut, this lithium-sulfur battery keeps going

19-Sep-2024 - Most rechargeable batteries that power portable devices, such as toys, handheld vacuums and e-bikes, use lithium-ion technology. But these batteries can have short lifetimes and may catch fire when damaged. To address stability and safety issues, researchers reporting in ACS Energy Letters have ...

Completely stretchy lithium-ion battery for flexible electronics

This new way of creating fully stretchable, solid batteries could be a promising step forward for wearable or implantable devices that flex and move with the body

19-Jul-2024 - When you think of a battery, you probably don’t think stretchy. But batteries will need this shape-shifting quality to be incorporated into flexible electronics, which are gaining traction for wearable health monitors. Now, researchers in ACS Energy Letters report a lithium-ion battery with ...

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 ...

New catalyst brings commercial high-efficiency zinc-air batteries closer to reality

05-Jun-2024 - The effective conversion from fossil fuel-based to renewable energy sources requires cost-efficient, high-capacity, rechargeable batteries. Zinc-air batteries (ZAB) can theoretically store large amounts of energy, but current technologies require the use of expensive noble metal catalysts, or ...

More Economical and Sustainable Rechargeable Batteries

Ultralow-concentration electrolyte for lithium-ion batteries

23-Apr-2024 - Lithium salts make batteries powerful but expensive. An ultralow-concentration electrolyte based on the lithium salt LiDFOB may be a more economical and more sustainable alternative. Cells using these electrolytes and conventional electrodes have been demonstrated to have high performance, as ...

Direct lithium extraction from spent batteries for efficient lithium recycling

This study proposed a simple, efficient, and low-energy chemical leaching strategy

04-Apr-2024 - Recently, the research findings of Professor Xie's group (Huazhong University of Science and Technology) were published in Science Bulletin. This study proposed a simple, efficient, and low-energy chemical leaching strategy, utilizing a lithium extraction solution composed of polycyclic aromatic ...